York YCIV Series Installation Operation & Maintenance
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York YCIV Series Installation Operation & Maintenance

Air-cooled screw liquid chillers e/v high efficiency and s/p standard efficiency
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AIR-COOLED SCREW
LIQUID CHILLERS
INSTALLATION, OPERATION, MAINTENANCE Supersedes: 201.23-NM2 (919)
Form 201.23-NM2 (920)
035-21506-101
YCIV STYLE A MODELS
YCIV0157-0397, 60 HZ
(150-260 TONS)
AIR-COOLED SCREW LIQUID CHILLERS
E/V HIGH EFFICIENCY AND S/P STANDARD EFFICIENCY
R-134a
Issue Date:
September 25, 2020

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  • Page 1 AIR-COOLED SCREW LIQUID CHILLERS INSTALLATION, OPERATION, MAINTENANCE Supersedes: 201.23-NM2 (919) Form 201.23-NM2 (920) 035-21506-101 YCIV STYLE A MODELS YCIV0157-0397, 60 HZ (150-260 TONS) AIR-COOLED SCREW LIQUID CHILLERS E/V HIGH EFFICIENCY AND S/P STANDARD EFFICIENCY R-134a Issue Date: September 25, 2020...
  • Page 2 FORM 201.23-NM2 ISSUE DATE: 09/25/2020 IMPORTANT! READ BEFORE PROCEEDING! GENERAL SAFETY GUIDELINES This equipment is a relatively complicated apparatus. which it is situated, as well as severe personal injury or During rigging, installation, operation, maintenance, death to themselves and people at the site. or service, individuals may be exposed to certain com- This document is intended for use by owner-authorized ponents or conditions including, but not limited to:...
  • Page 3 FORM 201.23-NM2 ISSUE DATE: 09/25/2020 The Control/VSD Cabinet contains lethal NEVER short out the DC Bus to dis- high AC and DC voltages. Before per- charge the filter capacitors. forming service inside the cabinet, remove the AC supply feeding the chiller and verify using a non-contact voltage sensor.
  • Page 4 Planned Service Agreement that leverages real time and generalized conditions. In lieu of the traditional and historical data, delivering performance reporting, maintenance program, a Johnson Controls YORK corrective actions required and data enabled guidance Conditioned Based Maintenance (CBM) program can for optimal operation and lifecycle assurance.

  • Page 5: Table Of Contents

    FORM 201.23-NM2 ISSUE DATE: 09/25/2020 TABLE OF CONTENTS SECTION 1 - GENERAL CHILLER INFORMATION AND SAFETY ..............11 Introduction ..............................11 Warranty ................................. 11 Safety ................................11 About this Manual ............................12 Misuse of Equipment ............................12 SECTION 2 - PRODUCT DESCRIPTION ......................15 Introduction ..............................
  • Page 6 FORM 201.23-NM2 ISSUE DATE: 09/25/2020 TABLE OF CONTENTS (CONT'D) SECTION 5 - COMMISSIONING ..........................41 Preparation ..............................41 Preparation – General ............................ 41 First Time Start-Up ............................42 SECTION 6 - TECHNICAL DATA .........................51 Glycol Correction Factors ..........................55 Electrical Notes .............................. 80 Electrical Wiring Diagrams - 2 Compressor Models ..................
  • Page 7 FORM 201.23-NM2 ISSUE DATE: 09/25/2020 TABLE OF CONTENTS (CONT'D) SECTION 8 - MICROPANEL ..........................219 VSD Operation and Controls ........................219 VSD Safeties (Faults) ........................... 223 Unit Warnings ............................... 229 Microboard (331-03478-xxx) ........................229 Program Update ............................231 Data Logging ..............................232 Unit Safeties ..............................
  • Page 8 FORM 201.23-NM2 CONDITIONED BASED MAINTENANCE ISSUE DATE: 09/25/2020 LIST OF FIGURES FIGURE 1 - Chiller Control System ........................16 FIGURE 2 - Compressor ............................16 FIGURE 3 - PWM Current Waveform ........................21 FIGURE 4 - PWM Voltage Waveform ........................21 FIGURE 5 - Pipework Arrangement ........................36 FIGURE 6 - Grooved Nozzle ..........................36 FIGURE 7 - Flange Attachment ..........................36 FIGURE 8 - Two Compressor Wiring Diagram With Circuit Breaker ..............66...
  • Page 9 FORM 201.23-NM2 CONDITIONED BASED MAINTENANCE ISSUE DATE: 09/25/2020 LIST OF FIGURES (CONT'D) FIGURE 56 - Power, Comms and System Open/Close LED's ................210 FIGURE 57 - Condenser Fan Locations .......................212 FIGURE 58 - Standard IPLV Fan Control ......................213 FIGURE 59 - High IPLV Fan Control ........................213 FIGURE 60 - Microboard 331-03478-xxx ......................230 FIGURE 61 - Control Board Connections ......................292 FIGURE 62 - Print Cable - Chiller to Serial Printer ....................318...
  • Page 10 FORM 201.23-NM2 CONDITIONED BASED MAINTENANCE ISSUE DATE: 09/25/2020 LIST OF TABLES TABLE 1 - Typical Compressor Starting Current (First Four Seconds Of Start-Up) ..........80 TABLE 2 - Voltage Utilization Range ........................80 TABLE 3 - Compressors and the Appropriate Jumper Positions ................195 TABLE 4 - VSD Logic Board Address Jumper .....................196 TABLE 5 - Maximum Frequency / Model Designator Jumper ................196 TABLE 6 - Fuzzy Logic Loading/Unloading vs.

  • Page 11: Section 1 - General Chiller Information And Safety

    • Only genuine YORK approved spare parts, oils, coolants, and refrigerants must be used. Recom- This manual contains all the information required for...

  • Page 12: About This Manual

    FORM 201.23-NM2 SECTION 1 - GENERAL CHILLER INFORMATION AND SAFETY ISSUE DATE: 09/25/2020 • ASHRAE 90.1 Energy Standard for Building Ex- This manual and any other document supplied with cept Low-Rise Residential Buildings. the unit are the property of Johnson Controls which re- serves all rights.
  • Page 13 FORM 201.23-NM2 SECTION 1 - GENERAL CHILLER INFORMATION AND SAFETY ISSUE DATE: 09/25/2020 Pressure Systems Refrigerants and Oils The unit contains refrigerant vapor and liquid under Refrigerants and oils used in the unit are generally non- pressure, release of which can be a danger and cause toxic, non-flammable and non-corrosive, and pose no injury.
  • Page 14 FORM 201.23-NM2 ISSUE DATE: 09/25/2020 THIS PAGE INTENTIONALLY LEFT BLANK JOHNSON CONTROLS...

  • Page 15: Section 2 - Product Description

    INTRODUCTION General System Description The Latitude (YCIV) Air-Cooled Chiller line combines YORK YCIV R-134a chillers are designed for water the best of modern screw compressor design with the or glycol cooling. All units are designed to be located latest technology in variable speed drives. The result outside on the roof of a building or at ground level.

  • Page 16: Figure 1 - Chiller Control System

    FORM 201.23-NM2 SECTION 2 - PRODUCT DESCRIPTION ISSUE DATE: 09/25/2020 An integral liquid cooled, transistorized, PWM, Vari- Refrigerant gas is injected into the void created by the able Speed Drive (VSD) is controlled by the chiller un-meshing of the five lobed male and seven lobed fe- microprocessor control panel to start/stop, select com- male rotors.
  • Page 17 FORM 201.23-NM2 SECTION 2 - PRODUCT DESCRIPTION ISSUE DATE: 09/25/2020 Motor cooling is provided by suction gas from the The water nozzles are provided with grooves for me- evaporator flowing across the motor. Redundant over- chanical couplings and should be insulated by the con- load protection is provided using both internal thermis- tractor after pipe installation.
  • Page 18 The oil (YORK “L” oil – a POE oil used for all re- approximately 1.7 x suction when the economizer so- frigerant applications), flows from the oil separator, lenoid is activated.
  • Page 19 FORM 201.23-NM2 SECTION 2 - PRODUCT DESCRIPTION ISSUE DATE: 09/25/2020 Oil Cooling Oil cooling is provided by routing oil from the oil sepa- Current transformers sense each phase of motor cur- rent, and send corresponding signals to the Chiller rator through several of the top rows of the condenser coils and back to the compressor.
  • Page 20 FORM 201.23-NM2 SECTION 2 - PRODUCT DESCRIPTION ISSUE DATE: 09/25/2020 Parameters are displayed in 5 languages in either Eng- Keypad lish (°F and psig) or Metric (°C and bar) units, and for An operator keypad allows complete control of the each circuit, the following items can be displayed: system from a central location.

  • Page 21: Figure 3 - Pwm Current Waveform

    FORM 201.23-NM2 SECTION 2 - PRODUCT DESCRIPTION ISSUE DATE: 09/25/2020 Variable Speed Drive (VSD) The VSD (variable speed drive) is a liquid cooled, tran- The power section of the drive is composed of four ma- sistorized, PWM inverter, which provides speed con- jor blocks consisting of an AC to DC rectifier section trol to vary the speed of 2, 3 or 4 compressor motors.

  • Page 22: Accessories And Options

    FORM 201.23-NM2 SECTION 2 - PRODUCT DESCRIPTION ISSUE DATE: 09/25/2020 The DC to AC inverter section of the VSD serves to tance) between the DC link filter capacitors located on convert the rectified and filtered DC back to AC at the the output phase bank assemblies and the VSD Logic magnitude and frequency commanded by the VSD Board.
  • Page 23 FORM 201.23-NM2 SECTION 2 - PRODUCT DESCRIPTION ISSUE DATE: 09/25/2020 tion the unit can operate at normal speed during the Pre-Coated Fin Condenser Coils day, when background noise levels are noticeable, and The air-cooled condenser coils are constructed of ep- at low speed in the evening and at night when back- oxy-coated aluminum fins.
  • Page 24 FORM 201.23-NM2 SECTION 2 - PRODUCT DESCRIPTION ISSUE DATE: 09/25/2020 Evaporator Options Chicago Code Relief Valve Special relief valves per Chicago code. (Factory- Double Thick 1 1/2 in. Insulation mounted) Double thickness insulation is provided. (Factory- mounted) Pressure Relief (CE/PED) Service Valve Kit Each relief valve is mounted on a sealable ball valve to Raised Face Flange Accessory aid maintenance.

  • Page 25: Complete Pin Number Description

    FORM 201.23-NM2 SECTION 2 - PRODUCT DESCRIPTION ISSUE DATE: 09/25/2020 COMPLETE PIN NUMBER DESCRIPTION FEATURE DESCRIPTION OPTION DESCRIPTION CONTRACT Contract Number Contract Number = {num} ORDER Order Quantity Order quantity = {ord_qty} USA origin not required USA Origin USA origin required Crane/Rigging Shipping Weight = {lb} SHIP WT Shipping Weight...
  • Page 26 FORM 201.23-NM2 SECTION 2 - PRODUCT DESCRIPTION ISSUE DATE: 09/25/2020 COMPLETE PIN NUMBER DESCRIPTION (CONT'D) FEATURE DESCRIPTION OPTION DESCRIPTION English LCD and Keypad Display (std) Spanish LCD and Keypad Display French LCD and Keypad Display German LCD and Keypad Display LCD (PIN 22) Italian LCD and Keypad Display Portuguese LCD and Keypad Display...
  • Page 27 FORM 201.23-NM2 SECTION 2 - PRODUCT DESCRIPTION ISSUE DATE: 09/25/2020 COMPLETE PIN NUMBER DESCRIPTION (CONT'D) FEATURE DESCRIPTION OPTION DESCRIPTION No Flanges required Weld Flange Kit required Grooved Flange Kit required FLANGES Flanges (PIN 40) Weld Flange with Mating Flange Grooved Flange with Welded Mating Flange Special Flanges required No Flow Switch required One Flow Switch required...
  • Page 28 FORM 201.23-NM2 SECTION 2 - PRODUCT DESCRIPTION ISSUE DATE: 09/25/2020 COMPLETE PIN NUMBER DESCRIPTION (CONT'D) FEATURE DESCRIPTION OPTION DESCRIPTION Base, Material and Witness Documents Base Documents PIN 50 PIN 50 Base and Material Documents Base and Witness Documents Special Quote No option required PIN 51 PIN 51...

  • Page 29: Section 3 - Rigging, Handling And Storage

    FORM 201.23-NM2 ISSUE DATE: 09/25/2020 SECTION 3 - RIGGING, HANDLING, AND STORAGE LD19197 Rigging and lifting should only be done by a professional rigger in accordance with a written rig- ging and lifting plan. The most appropriate rigging and lifting method will depend on job specific factors, such as the rigging equipment available and site needs.

  • Page 30: Moving The Chiller

    FORM 201.23-NM2 SECTION 3 - RIGGING, HANDLING, AND STORAGE ISSUE DATE: 09/25/2020 MOVING THE CHILLER LIFTING USING LUGS Prior to moving the unit, ensure that the installation Units are provided with lifting holes in the base frame site is suitable for installing the unit and is easily ca- which accept the accessory lifting lug set as shown in pable of supporting the weight of the unit and all as- the figure below.
  • Page 31 FORM 201.23-NM2 SECTION 3 - RIGGING, HANDLING, AND STORAGE ISSUE DATE: 09/25/2020 UNIT RIGGING 2 COMPRESSOR 3 COMPRESSOR LD18957 LIFT POINTS DIMENSIONS TAKEN FROM (NOT ALL POINTS ON UNITS) 2 COMPRESSOR MODELS 60 HZ INCH METRIC INCH METRIC INCH METRIC INCH METRIC INCH...
  • Page 32 FORM 201.23-NM2 ISSUE DATE: 09/25/2020 THIS PAGE INTENTIONALLY LEFT BLANK JOHNSON CONTROLS...

  • Page 33: Section 4 - Installation

    FORM 201.23-NM2 ISSUE DATE: 09/25/2020 SECTION 4 - INSTALLATION LOCATION REQUIREMENTS To achieve optimum performance and trouble-free Any ductwork or attenuators fitted to the unit must not service, it is essential that the proposed installation have a total static pressure resistance, at full unit air- site meets the location and space requirements for the flow, exceeding the capability of the fans installed in model being installed.

  • Page 34: Vibration Isolators

    1 in. N.P.T. connection can be ob- cated just below the top plate of the mount) counter- tained from YORK as an accessory for the unit. Alter- clockwise to raise and clockwise to lower. This should...

  • Page 35: Water Treatment

    FORM 201.23-NM2 SECTION 4 - INSTALLATION ISSUE DATE: 09/25/2020 Pipework and fittings must be separately supported to Evaporator heater mats are installed under the insula- prevent any loading on the cooler. Flexible connections tion, and are powered from the chiller's control panel. are recommended which will also minimize transmis- In sub-freezing conditions, unless the evaporator has sion of vibrations to the building.

  • Page 36: Pipework Arrangement

    FORM 201.23-NM2 SECTION 4 - INSTALLATION ISSUE DATE: 09/25/2020 PIPEWORK ARRANGEMENT Option Flanges One of two types of flanges may be fitted depending The following is a suggested piping arrangement for on the customer or local Pressure Vessel Code require- single unit installations.

  • Page 37: Ductwork Connection

    FORM 201.23-NM2 SECTION 4 - INSTALLATION ISSUE DATE: 09/25/2020 DUCTWORK CONNECTION ELECTRICAL CONNECTION The following connection recommendations are in- General Requirements tended to ensure safe and satisfactory operation of the The following ductwork recommendations are intend- unit. Failure to follow these recommendations could ed to ensure satisfactory operation of the unit.

  • Page 38: Power Wiring

    FORM 201.23-NM2 SECTION 4 - INSTALLATION ISSUE DATE: 09/25/2020 POWER WIRING 115 VAC CONTROL SUPPLY TRANSFORMER All electrical wiring should be carried out in accor- A 3-wire high voltage to 115 VAC supply transformer dance with local regulations. Route properly sized is standard in the chiller.

  • Page 39: Volts Free Contacts

    FORM 201.23-NM2 SECTION 4 - INSTALLATION ISSUE DATE: 09/25/2020 VOLTS FREE CONTACTS Remote Run / Stop A Remote Run/Stop input is available for each pair of Voltage free contacts are rated at 115 VAC, 100 VA re- systems (1/3 and 2/4). These inputs require a dry con- sistive load only.
  • Page 40 FORM 201.23-NM2 ISSUE DATE: 09/25/2020 THIS PAGE INTENTIONALLY LEFT BLANK JOHNSON CONTROLS...

  • Page 41: Section 5 - Commissioning

    Compressor Oil To add oil to a circuit - connect a YORK hand oil pump (Part No. 470-10654-000) to the 1/4 in. oil charging Commissioning personnel should be thoroughly famil-...

  • Page 42: First Time Start-Up

    FORM 201.23-NM2 SECTION 5 - COMMISSIONING ISSUE DATE: 09/25/2020 Grounding Programmed Options Verify that the unit’s protective ground terminal(s) are Verify that the options factory-programmed into the properly connected to a suitable grounding point. En- Micro Panel are in accordance with the customer’s sure that all unit internal ground connections are tight.
  • Page 43 FORM 201.23-NM2 SECTION 5 - COMMISSIONING ISSUE DATE: 09/25/2020 Unit Switch As discharge pressure rises, the condenser fans operate Place the UNIT switch on the keypad to the ON position. in stages to control the pressure. Verify that the fans Start-up operate in the correct direction of rotation and opera- tion is correct for the type of unit.
  • Page 44 FORM 201.23-NM2 SECTION 5 - COMMISSIONING ISSUE DATE: 09/25/2020 Operation in Sub-freezing Conditions Unit Maintenance and Shutdown in Sub- freezing Conditions The YCIV may be operated in sub-freezing conditions if the following freeze protections are taken : If the YCIV is maintained or shut down and will be subjected to sub-freezing conditions, it is critical to A.
  • Page 45 In the unlikely event it is necessary to add oil, con- running at high speeds for 10 to 15 minutes. An nect a YORK oil pump to the charging valve on the oil oil level may not be visible in the sight glasses...
  • Page 46 Verify the pump seals. the “Factory Set” overload potentiometer(s) on the Always fill the system with approved YORK coolant VSD Logic Board are set correctly. In the unlikely (P/N 013-03344-000) to avoid damage to the pump, event that they are not set correctly, adjust the po- cooling system and the chiller.
  • Page 47 Program the Chilled Liquid Setpoint/Range and record: UNIT WARNING: OPTIMIZED EFFICIENCY Local Cooling Setpoint = _____________ °F (°C) DISABLED – CONTACT YORK REPRESENTATIVE Local Cooling Range = ______ to ______ °F (°C) NOTE: Changing the programming of this feature requires...
  • Page 48 FORM 201.23-NM2 SECTION 5 - COMMISSIONING ISSUE DATE: 09/25/2020 FORM 201.23-CL2 ISSUE DATE: 1/12/2015 E. INITIAL START-UP After the control panel has been programmed and the com- The subcooling temperature of each system should be cal- pressor heaters have been energized for at least 8 hours culated by recording the temperature of the liquid line at the (ambient temperature more than 96ºF (36ºC)) or 24 hours outlet of the condenser and subtracting it from the recorded...
  • Page 49 FORM 201.23-NM2 SECTION 5 - COMMISSIONING ISSUE DATE: 09/25/2020 FORM 201.23-CL2 ISSUE DATE: 1/12/2015 Superheat JOB NAME: _____________________________ Example: SALES ORDER #: ________________________ Suction Temp = 46°F (8°C) minus Suction Press LOCATION: _____________________________ 30 PSIG converted to Temp - 35°F (1°C) 11°F (6°C) SOLD BY: ______________________________ The suction temperature should be taken 6"...
  • Page 50 FORM 201.23-NM2 ISSUE DATE: 09/25/2020 THIS PAGE INTENTIONALLY LEFT BLANK JOHNSON CONTROLS...

  • Page 51: Section 6 - Technical Data

    FORM 201.23-NM2 ISSUE DATE: 09/25/2020 SECTION 6 - TECHNICAL DATA WATER PRESSURE DROP CHARTS ENGLISH UNITS Excessive flow, above the max. GPM, will MODEL NUMBER YCIV COOLER damage the evaporator. 60 HZ 0157(S/P/H) 0157(E/V) 0177(S/P/H/E/V) 0187(S/P/H/E/V) 0197(E/V) 0207(E/V) 0227(E/V) 0207(S/P/H) 0227(S/P/H) 0247(S/P/H/E/V) 0267(S/P/H)
  • Page 52 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 WATER PRESSURE DROP CHARTS (CONT'D) SI UNITS Excessive flow, above the max. GPM, will MODEL NUMBER YCIV COOLER damage the evaporator. 60 HZ 0157(S/P/H) 0157(E/V) 0177(S/P/H/E/V) 0187(S/P/H/E/V) 0197(E/V) 0207(E/V) 0227(E/V) 0207(S/P/H) 0227(S/P/H) 0247(S/P/H/E/V)
  • Page 53 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 WATER PRESSURE DROP CHARTS (CONT'D) ENGLISH UNITS Pressure Drop Through Three and Four Circuit YCIV Evaporators Pressure Drop Through Three Circuit YCIV Evaporators 1000 2000 Water Flow Rate (GPM) Excessive flow, above the max. GPM, will MODEL NUMBER YCIV EVAP damage the evaporator.
  • Page 54 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 WATER PRESSURE DROP CHARTS (CONT'D) SI UNITS Pressure Drop Through Three Circuit YCIV Evaporators Pressure Drop Through Three and Four Circuit YCIV Evaporators Excessive flow, above the max. GPM, will MODEL NUMBER YCIV EVAP damage the evaporator.

  • Page 55: Glycol Correction Factors

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 GLYCOL CORRECTION FACTORS The cooler is designed in accordance with ARI-590- GLYCOL CORRECTION FACTORS The cooler is designed in accordance with 92 which allows for an increase in pressure drop of ETHYLENE GLYCOL ARI-590-92 which allows for an increase in up to 15% above the design value shown on Pages 63...
  • Page 56 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 WATER TEMPERATURE AND FLOWS (ENGLISH UNITS) LEAVING WATER COOLER FLOW MODEL NUM- AIR ON CONDENSER (°F) TEMPERATURE (°F) (GPM) YCIV MIN. MAX. MIN. MAX. MIN. 0157(S/P/H) 0157(E/V) 0177(S/P/H) 0177(E/V) 0187(S/P/H) 0187(E/V) 0197(E/V) 0207(S/P/H)
  • Page 57 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 WATER TEMPERATURE AND FLOWS (CONT'D) (SI UNITS) LEAVING WATER COOLER FLOW MODEL AIR ON CONDENSER (°C) TEMPERATURE (°C) (L/S) NUMBER YCIV MIN. MAX. MIN. MAX. MIN. 0157(S/P/H) 15.6 42.6 -17.8 51.7 0157(E/V) 15.6...
  • Page 58 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 PHYSICAL DATA (ENGLISH - STANDARD EFFICIENCY) STANDARD EFFICIENCY REFRIGERANT R-134a MODEL NUMBER (YCIV____ S/P/H) GENERAL UNIT DATA 60 HZ 0157 0177 0187 0207 0227 0247 0267 Number of Independent Refrigerant Circuits Refrigerant Charge, R-134a, Ckt.-1/Ckt.-2, lb 162/162 170/170...
  • Page 59 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 PHYSICAL DATA (ENGLISH - STANDARD EFFICIENCY) (CONT'D) STANDARD EFFICIENCY Refrigerant R-134a MODEL NUMBER (YCIV____ S/P/H) General Unit Data 60 Hz 0287 0307 0357 0397 Number of Independent Refrigerant Circuits Refrigerant Charge, R-134a, Ckt.-1/Ckt.-2, lb 185/170/170 185/185/170 185/185/230...
  • Page 60 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 PHYSICAL DATA (ENGLISH - HIGH EFFICIENCY) HIGH EFFICIENCY Refrigerant R-134a MODEL NUMBER (YCIV____ E/V) General Unit Data 60 Hz 0157 0177 0187 0197 0207 0227 0247 Number of Independent Refrigerant Circuits Refrigerant Charge, R-134a, Ckt.-1/Ckt.-2, lb 170/170 185/170...
  • Page 61 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 PHYSICAL DATA (ENGLISH - HIGH EFFICIENCY) (CONT'D) HIGH EFFICIENCY Refrigerant R-134a MODEL NUMBER (YCIV____ E/V) General Unit Data 60 Hz 0267 0287 0327 0357 Number of Independent Refrigerant Circuits Refrigerant Charge, R-134a, Ckt.-1/Ckt.-2, lb 185/185/170 185/185/230 185/185/230...
  • Page 62 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 PHYSICAL DATA (SI - STANDARD EFFICIENCY) STANDARD EFFICIENCY REFRIGERANT R-134a MODEL NUMBER (YCIV____ S/P/H) GENERAL UNIT DATA 60 HZ 0157 0177 0187 0207 0227 0247 0267 Number of Independent Refrigerant Circuits Refrigerant Charge, R-134a, Ckt.-1/Ckt.-2, kg 74/74 77/77...
  • Page 63 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 PHYSICAL DATA (SI - STANDARD EFFICIENCY) (CONT'D) STANDARD EFFICIENCY REFRIGERANT R-134a MODEL NUMBER (YCIV____ S/P/H) GENERAL UNIT DATA 60 HZ 0287 0307 0357 0397 Number of Independent Refrigerant Circuits Refrigerant Charge, R-134a, Ckt.-1/Ckt.-2, kg 84 / 77 / 77 84 / 84 / 77 84 / 84 / 105...
  • Page 64 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 PHYSICAL DATA (SI - HIGH EFFICIENCY) HIGH EFFICIENCY REFRIGERANT R-134a MODEL NUMBER (YCIV____ E/V) GENERAL UNIT DATA 60 HZ 0157 0177 0187 0197 0207 0227 0247 Number of Independent Refrigerant Circuits Refrigerant Charge, R-134a, Ckt.-1/Ckt.-2, kg 77/77 84/77...
  • Page 65 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 PHYSICAL DATA (SI - HIGH EFFICIENCY) (CONT'D) HIGH EFFICIENCY REFRIGERANT R-134a MODEL NUMBER (YCIV____ E/V) GENERAL UNIT DATA 60 HZ 0267 0287 0327 0357 Number of Independent Refrigerant Circuits Refrigerant Charge, R-134a, Ckt.-1/Ckt.-2, kg 84 / 84 / 77 84 / 84 / 105 84 / 84 / 105...

  • Page 66: Figure 8 - Two Compressor Wiring Diagram With Circuit Breaker

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 ELECTRICAL DATA 2 Compressor Power Wiring Connections FIGURE 8 - TWO COMPRESSOR WIRING DIAGRAM WITH CIRCUIT BREAKER FIGURE 9 - TWO COMPRESSOR WIRING DIAGRAM WITH TERMINAL BLOCK JOHNSON CONTROLS...

  • Page 67: Figure 10 - Three Compressor Wiring Diagram With Circuit Breaker - Single Point

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 ELECTRICAL DATA (CONT'D) 3 Compressor Power Wiring Connections 3 COMPRESSOR POWER WIRING CONNECTIONS VSD CONTROL PANEL STANDARD UNIT CONTROLS CONTROL TRANSFORMER EVAPORATOR HEATER CONTACTORS LINE REACTOR CIRCUIT BREAKER See Note 3 FIELD PROVIDED UNIT POWER SUPPLY...
  • Page 68 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 STANDARD EFFICIENCY 2-COMPRESSOR UNITS One Field Provided Power Supply Circuit. Field Connections to Factory provided Terminal Block (Standard); or Individual System Breakers (Optional). STANDARD EFFICIENCY YCIV_ _ _ _ S/P/H SYSTEM 1 MODEL NO./NAMEPLATE STD.
  • Page 69 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 STANDARD EFFICIENCY 2-COMPRESSOR UNITS (CONT'D) One Field Provided Power Supply Circuit. Field Connections to Factory provided Terminal Block (Standard); or Individual System Breakers (Optional). STANDARD EFFICIENCY YCIV_ _ _ _ S/P/H SYSTEM 2 STD.
  • Page 70 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 STANDARD EFFICIENCY 2-COMPRESSOR UNITS (CONT'D) STANDARD EFFICIENCY YCIV_ _ _ _ S/P/H MODEL NO./NAME- FIELD WIRING LUGS PLATE STD TERMINAL OPT CIRCUIT BREAK- STD TERMINAL OPT CIRCUIT BLOCK STD., U.Q. ER STD., BLOCK HIGH HEAD/ BREAKER HIGH...
  • Page 71 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 THIS PAGE INTENTIONALLY LEFT BLANK JOHNSON CONTROLS...
  • Page 72 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 4/6/2018 HIGH EFFICIENCY 2-COMPRESSOR UNITS One Field Provided Power Supply Circuit. Field Connections to Factory provided Terminal Block (Standard); or Individual System Breakers (Optional). HIGH EFFICIENCY YCIV_ _ _ _ E/V SYSTEM 1 MODEL NO./NAME- STD.
  • Page 73 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 HIGH EFFICIENCY 2-COMPRESSOR UNITS (CONT'D) One Field Provided Power Supply Circuit. Field Connections to Factory provided Terminal Block (Standard); or Individual System Breakers (Optional). HIGH EFFICIENCY YCIV_ _ _ _ E/V SYSTEM 2 STD.
  • Page 74 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 HIGH EFFICIENCY 2-COMPRESSOR UNITS (CONT'D) HIGH EFFICIENCY YCIV_ _ _ _ E/V FIELD WIRING LUGS MODEL NO./NAMEPLATE STD TERMINAL OPT CIRCUIT STD TERMINAL OPT CIRCUIT BLOCK STD., BREAKER STD., BLOCK HIGH BREAKER HIGH U.Q.
  • Page 75 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 THIS PAGE INTENTIONALLY LEFT BLANK JOHNSON CONTROLS...
  • Page 76 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 STANDARD EFFICIENCY 3-COMPRESSOR UNITS One Field Provided Power Supply Circuit. Field Connections to Factory provided Terminal Block (Standard); or Individual System Breakers (Optional). SYSTEM 1 SYSTEM 2 MODEL NO./NAME- STD. & ULTRA QUIET HIGH HEAD/STATIC TWO-SPEED STD.
  • Page 77 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 STANDARD EFFICIENCY 3-COMPRESSOR UNITS (CONT'D) (One Field Provided Power Supply Circuit. Field Connections to Factory provided Terminal Block (Standard); or Individual System Breakers (Optional). SYSTEM 2 SYSTEM 3 HIGH HEAD/STATIC TWO-SPEED STD.
  • Page 78 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 HIGH EFFICIENCY 3-COMPRESSOR UNITS (One Field Provided Power Supply Circuit. Field Connections to Factory provided Terminal Block (Standard); or Individual System Breakers (Optional). SYSTEM 1 SYSTEM 2 MODEL NO./NAME- STD. & ULTRA QUIET HIGH HEAD/STATIC TWO-SPEED COND.
  • Page 79 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 HIGH EFFICIENCY 3-COMPRESSOR UNITS (CONT'D) (One Field Provided Power Supply Circuit. Field Connections to Factory provided Terminal Block (Standard); or Individual System Breakers (Optional). SYSTEM 2 SYSTEM 3 HIGH HEAD/STATIC TWO-SPEED COND.

  • Page 80: Electrical Notes

    RLA’s plus the sum of all con- denser fan FLA’s per NEC 440.33 8. System inrush current is less than RLA due to the use of York Variable Speed Drive technology. TABLE 1 - TYPICAL COMPRESSOR STARTING CURRENT (FIRST FOUR SECONDS OF START-UP) RATED VOLTAGE...
  • Page 81 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 THIS PAGE INTENTIONALLY LEFT BLANK JOHNSON CONTROLS...

  • Page 82: Electrical Wiring Diagrams - 2 Compressor Models

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 ELECTRICAL WIRING DIAGRAMS - 2 COMPRESSOR MODELS LD26907 FIGURE 12 - ELEMENTARY CONTROL WIRING DIAGRAM 2 COMPRESSOR MODELS JOHNSON CONTROLS...
  • Page 83 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 035-19905-001 REV K, SHT.1 LD26908 FIGURE 12 - ELEMENTARY CONTROL WIRING DIAGRAM 2 COMPRESSOR MODELS (CONT'D) JOHNSON CONTROLS...

  • Page 84: Figure 13 - Elementary Power Wiring Diagram - Yciv0157-0267 2 Compressor Models

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 Elementary Power Wiring Diagram LD26909 LD13678 FIGURE 13 - ELEMENTARY POWER WIRING DIAGRAM - YCIV0157-0267 2 COMPRESSOR MODELS JOHNSON CONTROLS...
  • Page 85 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 035-19905-002 REV J, SHT.1 LD26910 LD13679 FIGURE 13 - ELEMENTARY POWER WIRING DIAGRAM - YCIV0157-0267 2 COMPRESSOR MODELS (CONT'D) JOHNSON CONTROLS...

  • Page 86: Figure 14 - Power Wiring Connection Diagram - Yciv0157-0267 2 Compressor Models

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 Power Wiring Connection Diagram LD26912 FIGURE 14 - POWER WIRING CONNECTION DIAGRAM - YCIV0157-0267 2 COMPRESSOR MODELS JOHNSON CONTROLS...
  • Page 87 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 035-19905-004 REV L, SHT. 1 LD26911 FIGURE 14 - POWER WIRING CONNECTION DIAGRAM - YCIV0157-0267 2 COMPRESSOR MODELS (CONT'D) JOHNSON CONTROLS...

  • Page 88: Figure 15 - Control Wiring Connection Diagram - Yciv0157-0267 2 Compressor Models

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 Control Wiring Connection Diagram LD26913 FIGURE 15 - CONTROL WIRING CONNECTION DIAGRAM - YCIV0157-0267 2 COMPRESSOR MODELS JOHNSON CONTROLS...
  • Page 89 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 035-19905-003 REV L, SHT. 1 LD26914 FIGURE 15 - CONTROL WIRING CONNECTION DIAGRAM - YCIV0157-0267 2 COMPRESSOR MODELS (CONT'D) JOHNSON CONTROLS...
  • Page 90 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 035-19905-003 REV L, SHT. 1 LD26921 FIGURE 15 - CONTROL WIRING CONNECTION DIAGRAM - YCIV0157-0267 2 COMPRESSOR MODELS (CONT'D) JOHNSON CONTROLS...

  • Page 91: Figure 16 - Power Elementary Wiring Diagram - Yciv0157-0267 2 Compressor Models

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 Power Elementary Wiring Diagram LD13081 FIGURE 16 - POWER ELEMENTARY WIRING DIAGRAM - YCIV0157-0267 2 COMPRESSOR MODELS JOHNSON CONTROLS...
  • Page 92 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 LD13082 FIGURE 16 - POWER ELEMENTARY WIRING DIAGRAM - YCIV0157-0267 2 COMPRESSOR MODELS (CONT'D) JOHNSON CONTROLS...
  • Page 93 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 Location Label - 2 Compressor Models LD10519 JOHNSON CONTROLS...
  • Page 94 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 Panel Layout - 2 Compressor Models JOHNSON CONTROLS...
  • Page 95 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 THIS PAGE INTENTIONALLY LEFT BLANK JOHNSON CONTROLS...

  • Page 96: Electrical Wiring Diagrams - 3 Compressor Models

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 ELECTRICAL WIRING DIAGRAMS - 3 COMPRESSOR MODELS LD26915 FIGURE 17 - CONTROL ELEMENTARY DIAGRAM - YCIV0257-0397 3 COMPRESSOR MODELS JOHNSON CONTROLS...
  • Page 97 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 035-20326-001 REV I, SHT. 1 LD26916 FIGURE 17 - CONTROL ELEMENTARY DIAGRAM - YCIV0257-0397 3 COMPRESSOR MODELS (CONT'D) JOHNSON CONTROLS...
  • Page 98 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 LD26917 FIGURE 17 - CONTROL ELEMENTARY DIAGRAM - YCIV0257-0397 3 COMPRESSOR MODELS (CONT'D) JOHNSON CONTROLS...
  • Page 99 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 035-20326-002 REV H, SHT.1 LD26918 FIGURE 17 - CONTROL ELEMENTARY DIAGRAM - YCIV0257-0397 3 COMPRESSOR MODELS (CONT'D) JOHNSON CONTROLS...

  • Page 100: Figure 18 - Power Elementary Diagram - Yciv0257-0397 3 Compressor Models

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 Power Elementary Diagram LD26919 FIGURE 18 - POWER ELEMENTARY DIAGRAM - YCIV0257-0397 3 COMPRESSOR MODELS JOHNSON CONTROLS...
  • Page 101 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 035-23260-003 REV F, SHT. 1 LD26920 FIGURE 18 - POWER ELEMENTARY DIAGRAM - YCIV0257-0397 3 COMPRESSOR MODELS (CONT'D) JOHNSON CONTROLS...

  • Page 102: Figure 19 - Control Wiring Connection Diagram - Yciv0257-0397 3 Compressor Models

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 Control Wiring Connection Diagram LD13090 FIGURE 19 - CONTROL WIRING CONNECTION DIAGRAM - YCIV0257-0397 3 COMPRESSOR MODELS JOHNSON CONTROLS...
  • Page 103 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 LD13091 FIGURE 19 - CONTROL WIRING CONNECTION DIAGRAM - YCIV0257-0397 3 COMPRESSOR MODELS (CONT'D) JOHNSON CONTROLS...
  • Page 104 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 LD13092 FIGURE 19 - CONTROL WIRING CONNECTION DIAGRAM - YCIV0257-0397 3 COMPRESSOR MODELS (CONT'D) JOHNSON CONTROLS...
  • Page 105 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 THIS PAGE INTENTIONALLY LEFT BLANK JOHNSON CONTROLS...

  • Page 106: Figure 20 - Power Wiring Connection Diagram - Yciv1050-1500 3 Compressor Models

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 Power Wiring Connection Diagram LD26922 FIGURE 20 - POWER WIRING CONNECTION DIAGRAM - YCIV1050-1500 3 COMPRESSOR MODELS JOHNSON CONTROLS...
  • Page 107 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 035-20326-005 REV H, SHT.1 LD26923 FIGURE 20 - POWER WIRING CONNECTION DIAGRAM - YCIV1050-1500 3 COMPRESSOR MODELS (CONT'D) JOHNSON CONTROLS...

  • Page 108: Figure 21 - Power Elementary Diagram - Yciv0257-0397 3 Compressor Models

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 Power Elementary Diagram LD13097 FIGURE 21 - POWER ELEMENTARY DIAGRAM - YCIV0257-0397 3 COMPRESSOR MODELS JOHNSON CONTROLS...
  • Page 109 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 LD13098 FIGURE 21 - POWER ELEMENTARY DIAGRAM - YCIV0257-0397 3 COMPRESSOR MODELS (CONT'D) JOHNSON CONTROLS...
  • Page 110 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 Location Label - 3 Compressor Models LD13096 JOHNSON CONTROLS...
  • Page 111 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 Panel Layout - 3 Compressor Models LD13099 JOHNSON CONTROLS...

  • Page 112: Dimensions - 2 And 3 Compressor Si

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 DIMENSIONS - 2 AND 3 COMPRESSOR SI MODELS YCIV0157E/V AND YCIV0157S/P/H CONTROL ENTRY 3" WIDE X 13 1/2" HIGH 1 1/2" POWER ENTRY POWER ENTRY 10" WIDE X 13" 10" WIDE X 13" HIGH 4"...
  • Page 113 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 DIMENSIONS - 2 AND 3 COMPRESSOR ENGLISH (CONT'D) 5/8" MOUNTING HOLES (TYP) ORIGIN 60" 14 1/8" 1 5/16" (TYP) 101 5/8" 50" 50 5/16" 9 1/8" VIEW D-D 93 15/16" 45 5/16"...
  • Page 114 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 DIMENSIONS - 2 AND 3 COMPRESSOR ENGLISH (CONT'D) Models YCIV0177E/V, YCIV0177S/P/H, YCIV0187E/V and YCIV0187S/P/H CONTROL ENTRY 3" WIDE X 13 1/2" HIGH 1 1/2" POWER ENTRY 4" 10" WIDE X 13" HIGH POWER ENTRY 10"...
  • Page 115 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 DIMENSIONS - 2 AND 3 COMPRESSOR ENGLISH (CONT'D) 5/8" MOUNTING HOLES (TYP) 60" 14 1/8" 1 5/16" (TYP) 69 11/16" 86 5/16" 50" 50 5/16" 9 1/8" VIEW D-D 93 15/16" 45 5/16"...
  • Page 116 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 DIMENSIONS - 2 & 3 COMPRESSOR ENGLISH (CONT'D) Models YCIV0197E/V, YCIV0207S/P/H, and YCIV0227S/P/H CONTROL ENTRY 3" WIDE X 13 1/2" HIGH 1 1/2" POWER ENTRY POWER ENTRY 4" 10" WIDE X 13" HIGH 10"...
  • Page 117 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 DIMENSIONS - 2 & 3 COMPRESSOR ENGLISH (CONT'D) 5/8" MOUNTING HOLES (TYP) 60" 14 1/8" 1 5/16" (TYP) 69 11/16" 86 5/16" 50" 50 5/16" 9 1/8" VIEW D-D 93 15/16" 45 5/16"...
  • Page 118 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 DIMENSIONS - 2 & 3 COMPRESSOR ENGLISH (CONT'D) Models YCIV0207E/V and YCIV0227E/V CONTROL ENTRY CONTROL ENTRY 3" WIDE X 13 1/2" HIGH 3" WIDE X 13-1/2" HIGH 1 1/2" POWER ENTRY 10"...
  • Page 119 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 DIMENSIONS - 2 & 3 COMPRESSOR ENGLISH (CONT'D) 5/8" MOUNTING HOLES (TYP) ORIGIN 60" 1 5/16" (TYP) 14 1/8" 37 13/16" 60" 49 3/16" 64 3/16" 50 5/16" 9 1/8" VIEW D-D 93 15/16"...
  • Page 120 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 DIMENSIONS - 2 & 3 COMPRESSOR ENGLISH (CONT'D) Models YCIV0247S/P/H, YCIV0247E/V, and YCIV0267S/P/H CONTROL ENTRY 3" WIDE X 13 1/2" HIGH 1 1/2" POWER ENTRY POWER ENTRY 10" WIDE X 13" 10"...
  • Page 121 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 DIMENSIONS - 2 & 3 COMPRESSOR ENGLISH (CONT'D) 5/8" MOUNTING HOLES (TYP) ORIGIN 60" 1 5/16" (TYP) 14 1/8" 37 13/16" 60" 49 3/16" 64 3/16" 9 1/8" 50 5/16" VIEW D-D 93 15/16"...
  • Page 122 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 DIMENSIONS - 2 & 3 COMPRESSOR ENGLISH (CONT'D) Models YCIV0267E/V, and YCIV0287S/P/H CONTROL ENTRY 3" WIDE X 13 1/2" HIGH 1 1/2" POWER ENTRY POWER ENTRY POWER ENTRY 10" WIDE X 13" 10"...
  • Page 123 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 DIMENSIONS - 2 & 3 COMPRESSOR ENGLISH (CONT'D) 3/4" MOUNTING HOLES (TYP) ORIGIN 70" 1 5/16" (TYP) 9 1/8" 7 5/8" 83 1/8" 80 3/16" 93 5/8" 53" 49" 9 1/8" 93 15/16"...
  • Page 124 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 DIMENSIONS - 2 & 3 COMPRESSOR ENGLISH (CONT'D) Models YCIV0287E/V CONTROL ENTRY 3" WIDE X 13 1/2" HIGH 1 1/2" POWER ENTRY 10" WIDE X 13" POWER ENTRY 4" HIGH 10"...
  • Page 125 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 DIMENSIONS - 2 & 3 COMPRESSOR ENGLISH (CONT'D) 3/4" MOUNTING HOLES (TYP) ORIGIN 70" 1 5/16" (TYP) 9 1/8" 7 5/8" 19" 50" 9 1/8" 53 3/8" 99" 50 5/16" 76"...
  • Page 126 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 DIMENSIONS - 2 & 3 COMPRESSOR ENGLISH (CONT'D) Models YCIV0307S/P/H CONTROL ENTRY 3" WIDE X 13 1/2" HIGH 1 1/2" POWER ENTRY POWER ENTRY 10" WIDE X 13" 10" WIDE X 13" HIGH 4"...
  • Page 127 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 DIMENSIONS - 2 & 3 COMPRESSOR ENGLISH (CONT'D) 3/4" MOUNTING HOLES (TYP) ORIGIN 70" 1 5/16" (TYP) 9 1/8" 7 5/8" 83 1/8" 80 3/16" 93 5/8" 53" 49" 9 1/8" 93 15/16"...
  • Page 128 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 DIMENSIONS - 2 & 3 COMPRESSOR ENGLISH (CONT'D) Models YCIV0327E/V and YCIV0357S/P/H CONTROL ENTRY 3" WIDE X 13 1/2" HIGH 1 1/2" POWER ENTRY POWER ENTRY 10" WIDE X 13" HIGH 4"...
  • Page 129 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 DIMENSIONS - 2 & 3 COMPRESSOR ENGLISH (CONT'D) 3/4" MOUNTING HOLES (TYP) ORIGIN 70" 1 5/16" (TYP) 9 1/8" 6 7/8" 74 1/8" 50" 9 1/8" 53 3/8" 99" 50 5/16" 76"...
  • Page 130 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 DIMENSIONS - 2 & 3 COMPRESSOR ENGLISH (CONT'D) Models YCIV0357E/V and YCIV0397S/P/H CONTROL ENTRY 3" WIDE X 13 1/2" HIGH 1 1/2" POWER ENTRY POWER ENTRY 10" WIDE X 13" 4"...
  • Page 131 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 DIMENSIONS - 2 & 3 COMPRESSOR ENGLISH (CONT'D) 3/4" MOUNTING HOLES (TYP) ORIGIN 70" 1 5/16" (TYP) 9 1/8" 6 7/8" 19" 112 11/16" 76" 50" 50 5/16" 9 1/8" 53 3/8"...

  • Page 132: Technical Data - Clearances

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 TECHNICAL DATA - CLEARANCES (2 m) (1.3 m) LD10506A NOTES: 1. No obstructions allowed above the unit. 2. Only one adjacent wall may be higher than the unit 3. Adjacent units should be 10 feet (3 meters) apart. JOHNSON CONTROLS...

  • Page 133: Isolator Information For Units Shipped On Or After June 15, 2008

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 ISOLATOR INFORMATION FOR UNITS SHIPPED ON OR AFTER JUNE 15, 2008 ISOLATOR SELECTION AND MOUNTING STANDARD EFFICIENCY, ENGLISH Units shipped on or after June 15, 2008 ISOLATOR LOCATIONS (X, Y) - IN. AND POINT LOADS - LB YCIV LEFT - L (9.1, 86.8) (59.4, 86.8) (109.4, 86.8) (211, 86.8)
  • Page 134 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 STANDARD EFFICIENCY, ENGLISH (CONT'D) ISOLATOR LOCATIONS (X, Y) - IN. AND POINT LOADS - LB YCIV LEFT - L (9.1, 86.8) (59.4, 86.8) (109.4, 86.8) (195.7, 86.8) (265.4, 86.8) Al Fin Coils 1728 1680 1768...
  • Page 135 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 STANDARD EFFICIENCY, ENGLISH (CONT'D) ISOLATOR LOCATIONS (X, Y) - IN. AND POINT LOADS - LB YCIV LEFT - L (9.1, 86.8) (59.4, 86.8) (97.2, 86.8) (161.4, 86.8) (210.6, 86.8) (307.9, 86.8) Al Fin Coils 1728 1638...
  • Page 136 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 STANDARD EFFICIENCY, ENGLISH (CONT'D) ISOLATOR LOCATIONS (X, Y) - IN. AND POINT LOADS - LB YCIV (411.9, LEFT - L (9.1, 86.8) (59.4, 86.8) (109.4, 86.8) (185.4, 86.8) (284.4, 86.8) (358.5, 86.8) 86.8) Al Fin Coils 1753...
  • Page 137 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 HIGH EFFICIENCY, ENGLISH ISOLATOR LOCATIONS (X, Y) - IN. AND POINT LOADS - LB YCIV LEFT - L (9.1, 86.8) (59.4, 86.8) (109.4, 86.8) (211, 86.8) Al Fin Coils 1702 1594 1667 1609...
  • Page 138 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 HIGH EFFICIENCY, ENGLISH (CONT'D) ISOLATOR LOCATIONS (X, Y) - IN. AND POINT LOADS - LB YCIV LEFT - L (9.1, 86.8) (59.4, 86.8) (109.4, 86.8) (195.7, 86.8) (265.4, 86.8) Al Fin Coils 1720 1609 1618...
  • Page 139 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 HIGH EFFICIENCY, ENGLISH (CONT'D) ISOLATOR LOCATIONS (X, Y) - IN. AND POINT LOADS - LB YCIV LEFT - L (9.1, 86.8) (59.4, 86.8) (97.2, 86.8) (161.4, 86.8) (210.6, 86.8) (307.9, 86.8) Al Fin Coils 1728 1638...
  • Page 140 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 HIGH EFFICIENCY, ENGLISH (CONT'D) ISOLATOR LOCATIONS (X, Y) - IN. AND POINT LOADS - LB YCIV LEFT - L (9.1, 86.8) (59.4, 86.8) (109.4, 86.8) (185.4, 86.8) (284.4, 86.8) (358.5, 86.8) (411.9, 86.8) Al Fin Coils 1753 1585...
  • Page 141 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 STANDARD EFFICIENCY, SI ISOLATOR LOCATIONS (X, Y) - MM. AND POINT LOADS - KG YCIV LEFT - L (230, 2204) (1510, 2204) (2780, 2204) (5360, 2204) Al Fin Coils Cu Fin Coils RS&LS1/Al Fin Coils RS&LS1/Cu Fin Coils 0157S/P/H...
  • Page 142 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 STANDARD EFFICIENCY, SI (CONT'D) ISOLATOR LOCATIONS (X, Y) - MM. AND POINT LOADS - KG YCIV LEFT - L (230, 2204) (1510, 2204) (2780, 2204) (4970, 2204) (6740, 2204) Al Fin Coils Cu Fin Coils RS&LS1/Al Fin Coils RS&LS1/Cu Fin Coils...
  • Page 143 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 STANDARD EFFICIENCY, SI (CONT'D) ISOLATOR LOCATIONS (X, Y) - MM. AND POINT LOADS - KG YCIV LEFT - L (230, 2204) (1510, 2204) (2470, 2204) (4100, 2204) (5350, 2204) (7820, 2204) Al Fin Coils Cu Fin Coils RS&LS1/Al Fin Coils...
  • Page 144 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 STANDARD EFFICIENCY, SI (CONT'D) ISOLATOR LOCATIONS (X, Y) - MM. AND POINT LOADS - KG YCIV (10463, LEFT - L (230, 2204) (1510, 2204) (2780, 2204) (4710, 2204) (7225, 2204) (9105, 2204) 2204) Al Fin Coils Cu Fin Coils...
  • Page 145 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 HIGH EFFICIENCY, SI ISOLATOR LOCATIONS (X, Y) - MM. AND POINT LOADS - KG YCIV LEFT - L (230, 2204) (1510, 2204) (2780, 2204) (5360, 2204) Al Fin Coils Cu Fin Coils RS&LS1/Al Fin Coils RS&LS1/Cu Fin Coils 0157E/V...
  • Page 146 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 HIGH EFFICIENCY, SI (CONT'D) ISOLATOR LOCATIONS (X, Y) - MM. AND POINT LOADS - KG YCIV LEFT - L (230, 2204) (1510, 2204) (2780, 2204) (4970, 2204) (6740, 2204) Al Fin Coils Cu Fin Coils RS&LS1/Al Fin Coils RS&LS1/Cu Fin Coils...
  • Page 147 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 HIGH EFFICIENCY, SI (CONT'D) ISOLATOR LOCATIONS (X, Y) - MM. AND POINT LOADS - KG YCIV LEFT - L (230, 2204) (1510, 2204) (2470, 2204) (4100, 2204) (5350, 2204) (7820, 2204) Al Fin Coils Cu Fin Coils RS&LS1/Al Fin Coils...
  • Page 148 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 HIGH EFFICIENCY, SI (CONT'D) ISOLATOR LOCATIONS (X, Y) - MM. AND POINT LOADS - KG YCIV LEFT - L (230, 2204) (1510, 2204) (2780, 2204) (4710, 2204) (7225, 2204) (9105, 2204) (10463, 2204) Al Fin Coils Cu Fin Coils 1015...
  • Page 149 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 ISOLATOR CROSS REFERENCE OLD PART NUMBER MASON NEW PART NUMBER THE VMC 029-24583-002 CIP-B-450 RED 029-25334-002 CP-1D-510 BLACK 029-24583-003 CIP-B-750 WHITE 029-25334-003 CP-1D-900 DK GREEN 029-24583-004 CIP-B-1000 BLUE 029-25334-004 CP-1D-1200 GRAY 029-24583-005 CIP-B-1250 GRAY 029-25334-005...
  • Page 150 7 3/4 9/16 D FOR 50% OVER-TRAVEL. STALLATION INSTRUCTIONS. DIMENSIONAL DATA (INCHES) RATED CAPACITY (For units with all load points less than 1785 lb (810 kg) VENDOR P/N COLOR YORK P/N 7-3/4 6-1/2 4-3/4 5-5/8 10-1/2 9-1/4 7-3/4 9/16 Up to 434...
  • Page 151 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 ONE INCH DEFLECTION SPRING ISOLATORS INSTALLATION INSTRUCTIONS UNITS SHIPPED ON OR AFTER JUNE 15, 2008 1. Read instructions in their entirety before begin- 5. Place equipment on top of isolators making sure ning installation.
  • Page 152 3/8-16 UNC X 1 1.75 2.38 1.75 3.00 0.34 0.22 * WEIGHT RANGE (LB) * WEIGHT RANGE (KG) VENDOR P/N COLOR YORK P/N 1/2-13 UNC X 1 2.50 3.38 2.88 4.13 0.56 0.25 1/2-13 UNC X 1 3.00 4.63 2.75 5.00...
  • Page 153 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 INSTALLATION OF DURULENE VIBRATION ISOLATORS UNITS SHIPPED ON OR AFTER JUNE 15, 2008 1. Read instructions in their entirety before begin- 4. Bolt or anchor all isolators to supporting structure ning installation.
  • Page 154 2. STANDARD FINISH: HOUSING-POWDER COATED (COLOR:BLACK), SPRING-POWDER COATED (COLOR: SEE T * WEIGHT RANGE (LB) * WEIGHT RANGE (KG) VENDOR P/N COLOR YORK P/N HARDWARE ZINC-ELECTROPLATE. Up to 391 3. EQUIPMENT MUST BE BOLTED OR WELDED TO THE TOP PLATE TO MEET ALLOWABLE SEISMIC RATINGS. Up to 177...
  • Page 155 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 SEISMIC ISOLATOR INSTALLATION AND ADJUSTMENT UNITS SHIPPED ON OR AFTER JUNE 15, 2008 1. Read instructions in their entirety before begin- of (2) 5/8 UNC A325 grade 5 SAE bolts or weld ning installation.

  • Page 156: Isolator Information For Units Shipped Before June 15, 2008

    Steel Acoustical welded into position. into position. Housing LD10509 PIN 54 = S *WEIGHT RANGE (LB) *WEIGHT RANGE (KG) VENDOR P/N COLOR YORK P/N Up to 358 Up to 162 SLRS-2-C2-420 029-24585-006 358–442 162–201 SLRS-2-C2-520 White 029-24585-007 443–581 201–264...
  • Page 157 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 SLRS SEISMIC ISOLATOR INSTALLATION AND ADJUSTMENT UNITS SHIPPED BEFORE JUNE 15, 2008 To Install and Adjust Mounts a 1/8 in. gap between the bolt head and the steel 1. Supports for mountings must be leveled to instal- washer.
  • Page 158 127.0 1/2-13x1" ND-DS 85.7 69.9 158.8 101.6 127.0 1/2-13x1" PIN 54 = N **WEIGHT RANGE (LB) **WEIGHT RANGE (KG) COLOR YORK P/N YORK P/N Up to 751 Up to 341 ND-C Yellow 029-24584-001 751–1651 341–749 ND-D Yellow 029-24584-002 1651–3226 749–1463...
  • Page 159 UNITS SHIPPED BEFORE JUNE 15, 2008 LD10576 PIN 54 = 1 (SEE NOTE BELOW) FOR UNITS WITH ALL LOAD POINTS LESS THAN 1404 LB (637 KG) *WEIGHT RANGE (LB) *WEIGHT RANGE (KG) VENDOR P/N COLOR YORK P/N 239–384 108–174 CIP-B-450 029-24583-002 384–639 174–290 CIP-B-750...
  • Page 160 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 INSTALLATION OF 1" DEFLECTION MOUNTS UNITS SHIPPED BEFORE JUNE 15, 2008 Illustration shows single spring CIP-B or CIP-C mount. Mounting may be EQUIPMENT BASE operated 1/2" above Free & Operating Dowel Pin is 3/8"...

  • Page 161: Refrigerant Flow Diagram

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 REFRIGERANT FLOW DIAGRAM OIL COOLER COIL CONDENSOR COIL FLASH TANK COMPRESSOR SEPARATOR EVAPORATOR Low Pressure Liquid Low Pressure Vapor High Pressure Vapor High Pressure Liquid Medium Pressure Vapor Angle Stop Valve S - Air Entering Compressor Stopper Motor Valve R-134a -...

  • Page 162: Process And Instrumentation Diagram

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 PROCESS AND INSTRUMENTATION DIAGRAM OIL COOLER COIL CONDENSOR COIL FLOW COMP EVAPORATOR CHILLER WATER FLOW SYSTEM COMPONENTS MAJOR COMPONENTS MICROPROCESSOR CONTROL FUNCTIONS STEPPER MOTOR VALVE CHILLED LIQUID THERMOSTAT COMP COMPRESSOR SOLENOID VALVE SEPARATOR DIFFERENTIAL PRESSURE CUTOUT...

  • Page 163: Component Locations

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 COMPONENT LOCATIONS CHILLER & DISPLAY ELECTRICAL PANEL FANS KEYPAD/DISPLAY PANEL DOOR CONDENSER COIL FILTER DRIER COMPRESSOR MUFFLERS LD13121 FIGURE 24 - COMPONENT LOCATIONS JOHNSON CONTROLS...

  • Page 164: Figure 25 - Control And Vsd Cabinet Components

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 COMPONENT LOCATIONS (CONT'D) LD10578 FIGURE 25 - CONTROL AND VSD CABINET COMPONENTS JOHNSON CONTROLS...

  • Page 165: Figure 26 - Chiller Control Board, Relay Boards, Microgateway, And Optional Circuit Breaker

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 COMPONENT LOCATIONS (CONT'D) CHILLER MICROGATEWAY CONTROL (OPTIONAL) BOARD RELAY BOARD #1 LD10579 OPTIONAL RELAY BOARD #2 CIRCUIT BREAKER (Standard Unit will have terminal blocks.Input power to the chiller will be connected here (see Figures.-31 and 32)).

  • Page 166: Figure 27 - Chiller Control Board, Relay Boards, And Microgateway, 2 Compressor

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 COMPONENT LOCATIONS (CONT'D) CHILLER MICROGATEWAY CONTROL (OPTIONAL) RELAY BOARD #1 BOARD CLOCK JUMPER (CLK) RELAY BOARD #2 RS-232/485 JUMPER JP4, JP5, & JP6 LD10580 ▼ ▼ • • • ▲ ▲...

  • Page 167: Figure 28 - Chiller Control Board, Relay Boards, And Microgateway, 3 Compressor

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 COMPONENT LOCATIONS (CONT'D) CHILLER CONTROL BOARD RELAY BOARD #3 RELAY BOARD #1 RELAY BOARD #2 JP4, JP5, & JP6 MICROGATEWAY 50069 (OPTIONAL) ▼ ▼ • • • ▲ ▲ JUMPER POSITION FIGURE 28 - CHILLER CONTROL BOARD, RELAY BOARDS, AND MICROGATEWAY, 3 COMPRESSOR JOHNSON CONTROLS...

  • Page 168: Figure 29 - Vsd Logic Board

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 COMPONENT LOCATIONS (CONT'D) LOGIC BOARD SCR TRIGGER BOARD LD10582 FIGURE 29 - VSD LOGIC BOARD JOHNSON CONTROLS...

  • Page 169: Figure 30 - Vsd Logic Board (Original - Obsolete), P/N 031-02477-000

    COMPONENT LOCATIONS (CONT'D) (COMPR 4 Over Load Adjust) (COMPR 3 Over Load Adjust) (COMPR 2 Over Load Adjust) (COMPR 1 Over Load Adjust) YORK MADE IN THE USA LD10590 FIGURE 30 - VSD LOGIC BOARD (ORIGINAL - OBSOLETE), P/N 031-02477-000 JOHNSON CONTROLS...

  • Page 170: Figure 31 - Vsd Logic Board (New), P/N 031-02507-Xxx

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 COMPONENT LOCATIONS (CONT'D) (COMPR 4 Over Load Adjust) (COMPR 3 Over Load Adjust) (COMPR 2 Over Load Adjust) (COMPR 1 Over Load Adjust) LD13119 FIGURE 31 - VSD LOGIC BOARD (NEW), P/N 031-02507-XXX JOHNSON CONTROLS...

  • Page 171: Figure 32 - Power Components, 2 Compressor

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 COMPONENT LOCATIONS (CONT'D) 10CR FAN PUMP OPTIONAL CIRCUIT CONTROL AND CONTROL RELAY BREAKER VSD CABINET (Standard Unit will COOLING COIL CONTROL AND have terminal blocks) FLASH TANK FEED VSD CABINET AND DRAIN VALVE COOLING FAN TRANSFORMER...

  • Page 172: Figure 33 - Power Components, 3 Compressor

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 COMPONENT LOCATIONS (CONT'D) CONTROL AND VSD CABINET FLASH TANK CONTROL AND COOLING FANS OPTIONAL CIRCUIT DRAIN and FEED VSD CABINET BREAKER VALVE COOLING COIL (Standard Unit will CONTROLLER have terminal blocks) (VG1) TRANSFORMER TERMINAL...

  • Page 173: Figure 34 - Fan Contactors And 3T Transformer, 2 Compressor

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 COMPONENT LOCATIONS (CONT'D) FAN CONTACTORS 4CR-9CR LD10584 3T TRANSFORMER (24VAC to SCR Gate Driver Board and VSD Logic Board) FIGURE 34 - FAN CONTACTORS AND 3T TRANSFORMER, 2 COMPRESSOR JOHNSON CONTROLS...

  • Page 174: Figure 35 - Fan Contactors, 3 Compressor

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 COMPONENT LOCATIONS (CONT'D) CONTACTORS (4, 5, 6, 7, 8, 9 11, 12, 13CR) TRANSFORMER 50072 FIGURE 35 - FAN CONTACTORS, 3 COMPRESSOR JOHNSON CONTROLS...

  • Page 175: Figure 36 - Vsd Components

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 COMPONENT LOCATIONS (CONT'D) 17-21 FU FUSES TRANSIENT (17 FU: 2T, 18 FU: VSD Logic / SUPPRESSOR BOARD SCR Trigger Board / (3-Phase Input) Pump Contactor, 4-6 CT 19 FU: 10T and 11T, 4-9 FU FUSES and CURRENT 20 FU: Relay Board #1,...

  • Page 176: Figure 37 - Vsd Components, 2 Compressor

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 COMPONENT LOCATIONS (CONT'D) (VSD LOGIC and SCR TRIGGER BOARD CABINET 24 VAC SUPPLY COOLING COOLING CONTACTORS TRANSFORMER) COIL 4CR-9CR ISOLATOR BOARD (FEEDS VSD LOGIC BOARD) CURRENT TRANSFORMERS TRIGGER BOARD IGBT GATE SNUBBER DRIVER CAPS...

  • Page 177: Figure 38 - Vsd Components, 3 Compressor

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 COMPONENT LOCATIONS (CONT'D) CABINET COOLING DC BUS (VSD LOGIC AND COOLING CONTACTORS VOLTAGE SCR TRIGGER BOARD COIL 4CR-9CR AND ISOLATION 24 VAC SUPPLY 11CR-13 CR) BOARD TRANSFORMER) CURRENT TRANSFORMERS TRIGGER BOARD IBGT GATE SNUBBER...

  • Page 178: Figure 39 - Vsd Components, 2 Compressor

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 COMPONENT LOCATIONS (CONT'D) CURRENT CABINET TRANSFORMERS COOLING C13-C17 COIL COOLING FANS RELAYS TRANSIENT SUPPRESSOR BOARD W/ 11FU, 12FU, AND 13 FU FUSES (3 Phase Input) 10CR FAN PUMP CONTROL RELAY LD10587 1L LINE INDUCTOR...

  • Page 179: Figure 40 - Vsd Components, 3 Compressor

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 COMPONENT LOCATIONS (CONT'D) TRANSIENT CABINET SUPPRESSOR COOLING BOARD COIL CURRENT W/ 11FU, 12FU, TRANSFORMERS AND 13 FU FUSES (C14, C13, 12, 9, 8, 7, 6, 5, 4) (3 Phase Input) COOLING RELAYS 50073...

  • Page 180: Figure 41 - Inverter Power Components, 2 Compressor

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 COMPONENT LOCATIONS (CONT'D) LD10588 The line inductor will reach operating temperatures of over 300°F. Do not open panel doors during operation. Assure the inductor is cool whenever working near the inductor with power OFF. FIGURE 41 - INVERTER POWER COMPONENTS, 2 COMPRESSOR JOHNSON CONTROLS...

  • Page 181: Figure 42 - Inverter Power Components, 3 Compressor

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 COMPONENT LOCATIONS (CONT'D) TRIGGER BOARD 50077 FIGURE 42 - INVERTER POWER COMPONENTS, 3 COMPRESSOR JOHNSON CONTROLS...

  • Page 182: Figure 43 - Inverter Power Components

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 COMPONENT LOCATIONS (CONT'D) WATER COOLED IGBT's IGBT's IGBT's HEAT SINK SCR/DIODE MODULES SCR/DIODE MODULE LD10591 1RES and 2RES BUS CAPACITORS BANK EQUALIZING/BLEEDER RESISTORS LAMINATED STRUCTURE IGBT GATE DRIVER IGBT GATE BOARD #1 DRIVER BOARD #2...
  • Page 183 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 COMPONENT LOCATIONS (CONT'D) IGBT GATE DRIVER BOARD WATER COOLED LAMINATED BUS FILTER HEAT SINK BUS STRUCTURE CAPACITORS IGBT LD10593 IGBT's IGBT's SCR/DIODE MODULES SCR/DIODE MODULES LD10594 1RES and 2RES BUS CAPACITORS BANK EQUALIZING/BLEEDER RESISTORS FIGURE 43 - INVERTER POWER COMPONENTS (CONT'D) JOHNSON CONTROLS...

  • Page 184: Glycol System Components

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 GLYCOL SYSTEM COMPONENTS REAR VSD PANEL DETAIL "B" DETAIL "C" DETAIL "A" TO GLYCOL PUMP (SEE DETAIL "A") DETAIL "B" TYPICAL 4 PLACES GLYCOL PUMP (SEE DETAIL "A") DETAIL "C" LD13122A FIGURE 44 - GLYCOL PUMP AND FILL TUBE LOCATIONS JOHNSON CONTROLS...

  • Page 185: Figure 45 - Glycol Piping And Fill Tube Location

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 GLYCOL SYSTEM COMPONENTS (CONT'D) GLYCOL FILL TUBE LD10597 FIGURE 45 - GLYCOL PIPING AND FILL TUBE LOCATION JOHNSON CONTROLS...

  • Page 186: Compressor Components

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 COMPRESSOR COMPONENTS LD10596 FIGURE 46 - COMPRESSOR COMPONENTS JOHNSON CONTROLS...

  • Page 187: Chiller Electronic Components

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 CHILLER ELECTRONIC COMPONENTS Keypad An operator keypad allows complete control of the sys- The +/- (PLUS/MINUS) key allows making numeric tem from a central location. The keypad offers a multi- values negative.
  • Page 188 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 Keypad Data Entry Mode DISPLAY For numeric programmable items, the data entry mode is entered by pressing any of the number keys, the deci- mal point key, or the +/- key. When the data entry mode is entered, the data from the key press will be entered and the cursor will appear under the position where the data is being entered.
  • Page 189 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 commands to the Relay Output Board(s), Drain/Feed VSD communications over an internal chiller RS-485 Valve Controller, and VSD Logic Board to activate port located within the Control/Power cabinet. UART2 and de-activate contactors, solenoids, control valves, has a higher priority interrupt than UART1.
  • Page 190 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 The open collector outputs of the Chiller Control Board The AC incoming line voltage is rectified by the full energize the DC relays on the Relay Output Board by three phase semi-converter bridge, made up of three pulling one side of the relay coil to ground.
  • Page 191 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 The capacitor bank in conjunction with the 1L Line 1L Line Inductor Inductor forms a low pass LC Filter and provides fur- ther smoothing (filters ripple) to the rectified DC. Equalizing/Bleeder resistors connected across the banks equalize the voltage between the top and bottom capacitors to avoid damaging the capacitors from over...

  • Page 192: Figure 47 - New Board P/N 031-02507-000

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 Laminated Bus Structure The Laminated Bus Structure is a group of copper plates sandwiched together that connects the SCR/Di- ode Modules, Bus Filter Capacitors, and IGBT’s. The purpose of the Laminated Bus Structure is to reduce the inductance that would be present in wiring or bus bars often used to connect high voltage components in VSD’s.
  • Page 193 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 Inputs to the VSD Logic Board are fed through an The VSD Logic Board will also monitor a communi- onboard multiplexer (MUX) before being sent to the cations loss. If the VSD Logic Board loses communi- A/D converter.
  • Page 194 FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 Current Transformers Flash Tank Feed and Drain Valve Controller LD10617 LD10619 CURRENT TRANSFORMERS The Flash Tank Feed and Drain Valve Controller is a microprocessor driven controller that operates the Feed A current transformer on each phase sends current sig- and Drain Valves based on commands from the Chiller nals proportional to phase current to the VSD Logic...

  • Page 195: Chiller Configuration Jumpers

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 DC Bus Voltage Isolation Board CHILLER CONFIGURATION JUMPERS There are a number of chiller configuration jumpers that are factory wired into wire harnesses or plugs. These jumpers typically never need to be reviewed un- less in some unlikely situation, a chiller is incorrectly configured or a loose connection occurs.

  • Page 196: Vsd Logic To Chiller Microprocessor Board Rs-485 Communication Configuration Jumpers

    FORM 201.23-NM2 SECTION 6 - TECHNICAL DATA ISSUE DATE: 09/25/2020 VSD LOGIC TO CHILLER MICROPROCESSOR MAXIMUM VSD FREQUENCY/MODEL BOARD RS-485 COMMUNICATION DESIGNATOR CONFIGURATION JUMPERS The model number of the chiller determines the maxi- The Chiller Control Board and the VSD Logic mum VSD frequency at 100% full speed.

  • Page 197: Section 7 - Operation

    FORM 201.23-NM2 ISSUE DATE: 09/25/2020 SECTION 7 - OPERATION on and off together. An under voltage condition will OPERATING CONTROLS keep the heater off until full voltage is restored to the Anti-recycle Timer system. A typical 5 minute or 10 minute anti-recycle timer is not Pumpdown Control necessary to allow compressor motor cooling, due to the VSD’s ability to provide a low current inrush start.

  • Page 198: Basic Operating Sequence

    FORM 201.23-NM2 SECTION 7 - OPERATION ISSUE DATE: 09/25/2020 Unit Switch BASIC OPERATING SEQUENCE Start Sequence and Loading To initiate the start sequence of the chiller, the follow- ing conditions must be satisfied before the precharge of the DC Bus will take place: •...

  • Page 199: Number Of Compressors To Start

    FORM 201.23-NM2 SECTION 7 - OPERATION ISSUE DATE: 09/25/2020 48˚F -------------------------------------------------- 46˚F --------- ---------- Setpoint + CR ( Setpoint High Limit) 44˚F ---------- --------------------------------- Setpoint Programmed Control (Cooling) Range 42˚F ---------- ---------- Setpoint – CR (Setpoint Low Limit) -------------------------------------------------- 40˚F 38˚F -------------------------------------------------- LD10625...

  • Page 200: Minimum Vsd Compressor Start / Run Frequency

    FORM 201.23-NM2 SECTION 7 - OPERATION ISSUE DATE: 09/25/2020 NUMBER OF COMPS NUMBER OF COMPS TO TO START LOGIC START REDUCTION TABLE 4 COMPS -> 3 COMPS 3 COMPS -> 2 COMPS SET NUM COMPS 2 COMPS -> 1 COMP TO START = NUM 1 COMP ->...

  • Page 201: Acceleration / Deceleration Rate When Starting / Stopping Compressors

    FORM 201.23-NM2 SECTION 7 - OPERATION ISSUE DATE: 09/25/2020 • If the ambient is between 110 and 125°F (43 and When a compressor stops, back-spin of the compres- 52°C), the Minimum VSD Run Frequency is sor will often occur as the pressure differential between scaled according to the following formula: discharge and suction equalizes.
  • Page 202 FORM 201.23-NM2 SECTION 7 - OPERATION ISSUE DATE: 09/25/2020 If the compressor speed exceeds the maximum In this example, one compressor will be shut down frequency the compressor is allowed to operate minus when the speed of the compressors drops to 200 Hz x 1 hertz for a period of 3 minutes without bringing the (2-1)/2 = 100 Hz to 20 Hz = 80 Hz.

  • Page 203: Optional High Iplv Capacity Control

    FORM 201.23-NM2 SECTION 7 - OPERATION ISSUE DATE: 09/25/2020 High Limit (Setpoint plus CR). If the rate of change is elect to increase the speed of the compressor(s) if the dropping too fast and there is potential for overshoot, error is “0” (temperature is at Setpoint), while the rate the Chiller Control Board microprocessor may elect of change of chilled liquid temperature is “positive”...
  • Page 204 FORM 201.23-NM2 SECTION 7 - OPERATION ISSUE DATE: 09/25/2020 When compressors start, the load and unload timers When a compressor is to be added, the Chiller Con- will be set to 30 seconds. During the first 30 seconds of trol Board microprocessor decelerates the compressor operation after a compressor reaches the start frequen- VSD frequency to 5 Hertz.

  • Page 205: Table 7 - Fuzzy Logic Loading/Unloading Vs. Error

    FORM 201.23-NM2 SECTION 7 - OPERATION ISSUE DATE: 09/25/2020 In cases where temperature is dropping too fast, when STOP = Minimum VSD Freq x (Number of Compressors Running +1) temperature is within the desired Control Range, the COMP FREQ Number of Compressors Running Chiller Control Board microprocessor will be required In this example: Number of compressors running = 1 Minimum VSD Freq.= 50 Hz...

  • Page 206: Load Limiting Control

    FORM 201.23-NM2 SECTION 7 - OPERATION ISSUE DATE: 09/25/2020 of change of chilled liquid temperature is “positive” Motor Current Load Limiting/Unloading (rising). The Chiller Control Board microprocessor Motor current load limiting helps prevent the system may also elect to hold capacity when error is “nega- from tripping on the motor overload safety.

  • Page 207: Table 9 - Discharge Pressure Load Limiting/Unloading

    FORM 201.23-NM2 SECTION 7 - OPERATION ISSUE DATE: 09/25/2020 Suction pressure load limiting is active at start-up, to TABLE 9 - DISCHARGE PRESSURE LOAD LIMITING/UNLOADING only prevent loading of the compressors. Suction pres- sure limit unloading will not occur until the system run DISCHARGE PRESSURE UN-LOADING time reaches 5 minutes of operation to allow the sys-...

  • Page 208: Flash Tank Drain And Feed Valve Controller

    FORM 201.23-NM2 SECTION 7 - OPERATION ISSUE DATE: 09/25/2020 TABLE 12 - VSD BASEPLATE TEMPERATURE FLASH TANK DRAIN AND FEED VALVE LOAD LIMITING/UNLOADING CONTROLLER VSD BASEPLATE TEMPERATURE UN-LOADING Valve Controller and Control Algorithm Baseplate Temp. is between Operation 0 Hz Cutout- 8ºF &...
  • Page 209 FORM 201.23-NM2 SECTION 7 - OPERATION ISSUE DATE: 09/25/2020 The Feed Valve is a stepper motor valve that controls The Feed and Drain Valves in a system open and be- the liquid flow from the condenser to assure the liquid gin to control as soon as a compressor starts.

  • Page 210: Figure 54 - Led Locations

    FORM 201.23-NM2 SECTION 7 - OPERATION ISSUE DATE: 09/25/2020 Valve Controller LED’s The Drain and Feed Valve stepper motor controller is equipped with a pair of LED’s on the left side of the module and 10 LED’s in the center of the module (Fig- ure 54 on page 210).

  • Page 211: Economizer Control

    FORM 201.23-NM2 SECTION 7 - OPERATION ISSUE DATE: 09/25/2020 Due to the short duration of the open and close step- In low ambient temperatures less than 40°F, run time per pulses, LED lighting will be difficult to observe. on the respective compressor is less than 5 minutes, In rare cases where validation of the controller output and the flash tank level is less than75%, the system and valve movement needs to be checked, the valves...

  • Page 212: Condenser Fan Control

    FORM 201.23-NM2 SECTION 7 - OPERATION ISSUE DATE: 09/25/2020 FAN LOCATIONS 11 FAN UNITS - OMIT FAN 12 VSD/ 10 FAN UNITS - OMIT FANS 11 & 12 CONTROL 9 FAN UNITS - OMIT FANS 10,11 & 12 PANEL 8 FAN UNITS - OMIT FANS 9,10,11 & 12 LD10632 FAN BAFFLES FAN BAFFLES...

  • Page 213: Vsd Temperature Control, Operation Of The Coolant Pump, And Vsd Cabinet Cooling Fans

    FORM 201.23-NM2 SECTION 7 - OPERATION ISSUE DATE: 09/25/2020 Fan on and off control points will vary for standard OFF Press. When a fan stage is incremented, the fan and optional optimized IPLV chillers. Unless controls delay timer is set to 5 seconds, and the Fan ON pres- dictate all fans running due to high VSD ambient tem- sure is ramped 20 PSIG over the original ON, point peratures, fans will sequence on when a compressor...

  • Page 214: Remote Temperature Reset Control

    ON. minimum or maximum value will be used. • VSD Internal Ambient Temp more than 158°F Contact a local YORK ISN Representative for details (70.0°C) (Cutout) – 10°F (5.6°C) equals 148°F on ISN controls and capabilities. (64.4°C). When the Internal Ambient Temp falls to less than 158°F (70.0°C) (Cutout) minus 15°F...

  • Page 215: Remote Current Limit Reset Control

    FORM 201.23-NM2 SECTION 7 - OPERATION ISSUE DATE: 09/25/2020 Control Board jumper JP4 must be positioned correctly 4 mA through 20 mA Reset Input to receive either a voltage (0 VDC through 10 VDC or A 0 mA to 4 mA signal produces a 0°F reset. A 20 mA 2 VDC through 10 VDC) or current (0 mA through 20 signal produces the maximum remote temp reset (pro- mA or 4 mA through 20 mA) signal.
  • Page 216 FORM 201.23-NM2 SECTION 7 - OPERATION ISSUE DATE: 09/25/2020 Remote Current Limit Reset is only possible if the op- VDC to 10 VDC) or current (0 mA to 20 mA or 4 mA tion is enabled by both the OPTIONS key selection and to 20 mA) signal.

  • Page 217: Sound Limit Control

    FORM 201.23-NM2 SECTION 7 - OPERATION ISSUE DATE: 09/25/2020 through 20 mA input (OPTIONS key) and Chiller Con- Remote Sound Limit trol Board jumper JP5 placed in the “mA” position. The Sound Limit Setpoint can be set via the Remote Sound Limit analog input.
  • Page 218 FORM 201.23-NM2 SECTION 7 - OPERATION ISSUE DATE: 09/25/2020 2 VDC through 10 VDC Reset Input A 0 VDC through 2 VDC signal produces a 0% sound limits as the input varies between 0 mA and 20 mA. limit (no change to max VSD freq). A 10 VDC signal In order for this input to work properly, the Remote produces a 100% sound limit (max VSD freq equals Sound Limit must be programmed for 0 mA through 20...

  • Page 219: Section 8 - Micropanel

    FORM 201.23-NM2 ISSUE DATE: 09/25/2020 SECTION 8 - MICROPANEL VSD OPERATION AND CONTROLS The rate of change of the frequency will also be con- VSD Logic Board trolled by the VSD Logic Board. The VSD Logic Board communications with the Chill- er Control Board via comms and controls the VSD The rate of change of the output frequency at start-up, functions.
  • Page 220 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 Maximum VSD Frequency VSD Cooling and Cooling Loop The maximum VSD frequency will vary for each chill- The VSD generates heat in the IGBT power modules er model. The microprocessor board determines the and the SCR/Diode assemblies, which must be re- frequency according to jumpers' factory installed in moved.
  • Page 221 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 • Pre-charge Enable 2 from the Chiller Logic Board VSD GLYCOL is OFF. PUMP • VSD Internal Ambient Temp less than Cutout mi- nus 15°F. • No compressors are running. • Service Mode Fan/Pump is disabled. In some cases, the condenser fans may be turned on by the microprocessor, when no compressors are running, to keep the...
  • Page 222 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 Following successful completion of the pre-charge interval, the SCR’s on the AC to DC semi-converter (SCR/Diode Modules) will be gated fully on by the SCR Trigger Board and the DC Bus will be brought up to its full potential.

  • Page 223: Vsd Safeties (Faults)

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 DC Bus Voltage Sensing and Scaling VSD Transmitted Operating Parameters Full DC Bus voltage and ½ DC Bus voltages are sensed VSD operating parameters will be transmitted to the for up to 2 DC Buses. 2 and 3 compressor chillers share Chiller Control Board over the RS-485 communica- a common DC Bus, while 4 compressor chillers utilize tions link between the 2 boards.
  • Page 224 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 compressor backspin and a higher noise level based start. The start inhibit will be cleared when the fault upon the differential pressure between discharge and condition goes away and the compressor will be per- suction.
  • Page 225 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 SYS X YYYYYYYY PRECHARGE-BUS VOLT IMBAL SYS X YYYYYYYY LOW DC BUS VOLTAGE X indicates the system and YYYYYYY indicates the X indicates the system and YYYYYYY indicates the system is in a “LOCKOUT” condition and will not re- system is in a “FAULT”...
  • Page 226 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 X indicates the system and YYYYYYY indicates the normal operation, the voltage drop across a saturated system is in a “FAULT” condition and will restart or IGBT is low. When a short or shoot occurs, the ex- “LOCKOUT”...
  • Page 227 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 On 4 compressor chillers, the baseplate temperatures Single Phase Input (Hardware) Fault on compressors 1 and 3 are OR’d together and the The VSD’s SCR Trigger Control board contains cir- highest of the two temperatures is compared in soft- cuitry that checks the three phase mains for the pres- ware to a limit of 218°F.
  • Page 228 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 run signal is not asserted within the 5-second window, This is an auto-restart safety that will restart after the the system will fault. In addition, if either run signal is 120 second anti-recycle timer times out and lock out on disabled while the VSD is running, the remaining run the 3rd fault in 90 minutes.

  • Page 229: Unit Warnings

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 A fault acknowledge bit from the Chiller Control Low Battery Warning Board is sent to the VSD via comms after receiving The LOW BATTERY WARNING can only occur at valid fault data from the VSD. When the VSD Logic unit power-up.

  • Page 230: Figure 60 - Microboard 331-03478-Xxx

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 RX1 – Green LED flashes when receiving data in Port Power Supplies and LEDs 1 TB3 (Future native communications BAS port) The 03478 has LEDs to indicate various states of op- eration of the microboard.

  • Page 231: Program Update

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 Power Supply Test Points VSD communications activity.U18 is the VSD Port RS-485 Driver Chip. It is socketed to allow field re- TP1 GND (Measure TP2, TP3, TP4 and TP5 in refer- placement.

  • Page 232: Data Logging

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 Follow all JCI Safety Directives when in- TABLE 15 - FLASH CARD UPDATE ERROR XXXXX serting or removing the SD card since the FLASH CARD UPDATE DEFINITION card is located inside the control cabinet. ERROR CODE Okay Flash card not found.

  • Page 233: Unit Safeties

    ”Number of Compressors Select” UNIT WARNING: OPTIMIZED EFFICIENCY jumpers are installed or if more than 1 jumper is in- DISABLED - CONTACT YORK REPRESENATIVE stalled. The following warning message will be dis- played indefinitely. Optimized IPLV cannot be enabled unless a special password is entered.
  • Page 234 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 In the descriptions of the fault displays that follow, the Low Leaving Chilled Liquid Temp Fault fault message will show a YYYYYYY to indicate that The Low Leaving Chilled Liquid Temp Cutout helps to a system is in a “FAULT”...

  • Page 235: System Safeties (Faults)

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 SYSTEM SAFETIES (FAULTS) System Safety (Fault) Operation In some cases, a control panel fault will occur after System safeties are faults that cause individual systems a VSD fault, possibly during system shutdown or at to be shut down if a safety threshold is exceeded for 3 some later time.
  • Page 236 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 High Discharge Pressure Cutout (HPCO) (Hardware) Fault The cutout pressure during operating periods of 30 sec- The mechanical High Pressure Cutout protects the onds to 210 seconds is ramped and can be calculated system from experiencing dangerously high discharge pressure.

  • Page 237: Table 17 - Low Differential Oil Pressure Cutout

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 X indicates the system and YYYYYYY indicates the Under these conditions, the slow speed of the running system is in a “FAULT” condition and will restart when compressor(s) causes the oil differential to become the 120 second anti-recycle timer times out or “LOCK- very low, especially if the water temperature is high OUT”...
  • Page 238 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 • After the first 30 seconds of run time, if the suc- The Status display fault message for this safety is tion superheat falls below 2.0°F, the discharge su- shown below: perheat is less than 15°F, and the run time is less than 5 minutes, the superheat safety will be ignored SYS X YYYYYYYY LOW DISCHARGE SUPERHEAT...

  • Page 239: Table 18 - Start Inhibit Sensor Thresholds

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 Below is a sample Status fault display fault message: TABLE 18 - START INHIBIT SENSOR THRESHOLDS LOW THRESH- HIGH THRESH- SENSOR SYS X YYYYYYYY HIGH FLASH TANK LEVEL Suction 0.3 VDC 4.7 VDC Transducer X indicates the system and YYYYYYY indicates the...

  • Page 240: Status Key

    3 or 4 compressor chiller. When power is first applied to the control panel, the Examples of the typical Status messages are shown in following message displaying YORK International the next topic Corporation, the EPROM version, date, and time will...
  • Page 241 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 General Status Messages This message indicates the system switch (software via UNIT STATUS keypad) is turned off. The system will not be allowed MANUAL OVERRIDE to run until the system switch is turned ON via the key- This message indicates the chiller is operating in pad.
  • Page 242 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 The Suction Pressure Limiting message indicates the The VSD Internal Ambient Temp Limiting message in- suction pressure load limit or suction pressure unload- dicates the VSD internal ambient temp is high and load ing is in effect.

  • Page 243: Unit Data Key

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 UNIT DATA KEY UNIT DATA LD10605 General The UNIT DATA key provides the user with displays The next key press displays the error in temperature of unit temperatures, and unit related data. Displays between the actual leaving chilled liquid temperature can be selected by repeatedly pressing the UNIT DATA and the setpoint temperature.
  • Page 244 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 The next key press displays the status of Active Re- • RCC - A Remote Control Center is providing re- mote Control. mote control. The chiller is in remote mode. • ISN - YorkTalk via ISN. The chiller in remote UNIT ACTIVE REMOTE CONTR0L = XXXXXX mode.

  • Page 245: System Data Keys 1 Through 4

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 SYSTEM DATA KEYS 1 THROUGH 4 SYSTEM 1 DATA KEY SYSTEM 2 DATA KEY SYSTEM 3 DATA KEY SYSTEM 4 DATA KEY LD10605 General The data keys provide the user with many displays of The next key press displays the suction temperature individual system temperatures, pressures, and other and all of the calculated suction temperatures (satu-...
  • Page 246 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 The next key press indicates the % of compressor load- The next key press displays the system run time in ing and status of the economizer solenoid as deter- days, hours, minutes, and seconds. mined by the operating frequency.

  • Page 247: Table 19 - Sensor Min/Max Outputs

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 Sensor Displays Table 19 on page 247 lists all the sensors attached to the control board associated with system data keys. The minimum and maximum values displayed on the micro display are provided. If values exceed the limits in the table, a <...

  • Page 248: Vsd Data Key

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 VSD DATA KEY DATA KEY LD10605 General The VSD DATA key provides the user with displays of VSD COMP 1 = XXX AMPS = XXX %FLA VSD temperatures, voltages, currents, and other oper- COMP 2 = XXX AMPS = XXX %FLA ating data.
  • Page 249 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 The next key press displays the current limit values The next key press displays the state of the Precharge set locally on the panel under the PROGRAM key, re- signal, where XXX is either ON or OFF. The first dis- motely by an ISN, and remotely by the Current Limit play is for 2 and 3 compressor units, the second display input.

  • Page 250: Operating Hours / Start Counter Key

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 OPERATING HOURS / START COUNTER KEY OPERATING HOURS/ START COUNTER LD10605 Compressor operating hours and compressor starts are displayed with a single key press. The maximum value for both hours and starts is 99,999, at which point they will roll over to 0.

  • Page 251: History Key

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 HISTORY KEY HISTORY LD10605 History Key Operation Normal Shutdowns History The HISTORY key provides the user access to many If the NORMAL SHUTDOWNS History is selected, unit and system operating parameters captured at the the following screen will be displayed: instant a unit or system safety (fault) shutdown occurs.
  • Page 252 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 Fault Shutdowns History Status Fault Type If the FAULT SHUTDOWNS History is selected, the SYS X COMPRESSOR RUNNING following screen will be displayed: SYS X YYYYYYYY HIGH DIFF OIL PRESSURE FAULT HIST XX 18-JUN-20004 10:34:58 AM This message indicates the type of system fault.
  • Page 253 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 Unit Data Active Remote Control Status Evaporator Leaving and Return Chilled Liquid UNIT ACTIVE REMOTE CONTR0L = XXXXXX Temps This message indicates the leaving and entering chilled This message indicates whether the system was operat- liquid temperatures at the time of the fault.
  • Page 254 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 VSD Current Limit Compressor #1 and #2, 105% FLA Motor Overload Current Setting VSD CURRENT LIMIT LOCAL = XXX %FLA VSD COMP 1 MOTOR OVERLOAD = XXX AMPS ISN = XXX REMOTE = XXX %FLA COMP 2 MOTOR OVERLOAD = XXX AMPS This message displays the current limit values as set...
  • Page 255 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 System #1 Calculated Discharge System #1 Fan Stage and Compressor Heater Temperatures Status SYS 1 DISCHARGE TEMP = XXX.X °F SYS 1 CONDENSER FANS ON = XXX SUPERHEAT = XXX.X SAT REMP = XXX.X °F COMPRESSOR HEATER = XXX This message displays all of the calculated discharge This message displays the actual # of system fans on,...
  • Page 256 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 Chilled Liquid Setpoint Cooling Setpoints When Remote Control Mode is selected, control of the SETPOINTS Chilled Liquid Setpoint is from a remote device such LOCAL COOLING SETPOINT = XXX.X °F as an ISN/BAS controller. This message displays the programmed cooling OPTIONS DISPLAY UNITS...
  • Page 257 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 Low Ambient Temp Cutout Low Leaving Chilled Liquid Temp Cutout OPTIONS LOW AMBIENT TEMP CUTOUT PROGRAM ◄ ► XXXXXXXXXXXXXXXXXXXX LEAVING LIQUID TEMP CUTOUT = XXX.X °F This message indicates whether the low ambient cutout This message displays the low leaving Chilled liquid was enabled or disabled at the time of the fault.

  • Page 258: Setpoints Key

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 SETPOINTS KEY SETPOINTS LD10605 Setpoints Key Operation Cooling setpoints and ranges may be programmed by Pressing the SETPOINTS key or the ▼ (ARROW) key pressing the SETPOINTS key. The first setpoint en- a third time will display the remote setpoint and cool- try screen will be displayed as shown below.

  • Page 259: Table 20 - Setpoint Limits

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 The values displayed under each of the key presses The ▲ (ARROW) key allows scrolling back through may be changed by keying in new values and pressing the setpoints displays. the  (ENTER) key to store the new value into mem- The minimum, maximum, and default values allowed ory.

  • Page 260: Program Key

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 PROGRAM KEY PROGRAM LD10605 Program Key Operation Various operating parameters are programmable by the Pressing the  (ENTER) key again will display the user. These are modified by pressing the PROGRAM first programmable selection.
  • Page 261 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 Low Ambient Cutout Pulldown Current Limit Time PROGRAM ◄DEF XXXXX LO XXXXX HI XXXXX PROGRAM ◄DEF XXXXX LO XXXXX HI XXXXX LOW AMBIENT TEMP CUTOUT = XXX.X °F PULLDOWN CURRENT LIMIT TIME = XXX MIN The low ambient temp cutout allows programming the The pulldown current limit time is programmable.

  • Page 262: Table 21 - Programmable Operating Parameters

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 Sound Limit Setpoint Default Values A listing of the low limits, high limits, and default PROGRAM ◄DEF XXXXX LO XXXXX HI XXXXX values for each of the programmable values is noted SOUND LIMIT SETPOINT = XXX % in each display and can be found in Table 21 on page...

  • Page 263: Options Key

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 OPTIONS KEY OPTIONS LD10605 Options Key Operation Chilled Liquid Cooling Mode Selection The OPTIONS key provides the user with a display of The Chilled liquid cooling mode can be selected for unit configuration and the capability to modify the con- Water Cooling or low temperature Glycol Cooling.
  • Page 264 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 Local / Remote Control Mode Selection System Lead/Lag Control Mode Selection Local or Remote Control Mode allows the user to se- The operator may select the type of lead/lag control lect the chilled liquid temperature control mode. desired.
  • Page 265 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 Remote Temperature Reset Selection The default setting for Remote Current Reset is DIS- Remote temperature reset from an external source may ABLED. This display will only appear if the remote be tied directly into the chiller microprocessor board. current limit option is enabled at the factory.

  • Page 266: Date / Time And Schedule Keys

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 DATE / TIME AND SCHEDULE KEYS DATE/TIME SCHEDULE LD10605 Date/Time Key Operation When the DATE/TIME key is pressed, the chiller mi- CLOCK FRI 18-JUN-2005 10:15:33 AM croprocessor will display the date and the time. This DAY OF MONTH = XX feature is useful and required for using the Daily...
  • Page 267 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 The month can be selected by keying in the numerical Pressing the ▼ (DOWN ARROW) key again scrolls value to select the day. After the month is selected, the to AM/PM: ...
  • Page 268 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 Unit Operating Schedule To program the chiller for 24 hour operation, program The Unit Operating Schedule is used to enable/dis- the start and stop times of each day of the week for able the chiller unit on time of day.
  • Page 269 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 Sound Limit Schedule The SOUND LIMIT SCHEDULE allows setting the The AM/PM selection may be chosen using the ◄ day and time when the user desires using the “SILENT (LEFT ARROW) or ► (RIGHT ARROW) keys and NIGHT”...

  • Page 270: Manual Override Key

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 MANUAL OVERRIDE KEY MANUAL OVERRIDE LD10605 Manual Overrride Key Operation If the MANUAL OVERRIDE key is pressed during a schedule shutdown, the STATUS display will dis- play the message below. This indicates that the Daily Schedule is being ignored and the chiller will start when chilled liquid temperature allows, Remote Con- tacts, UNIT switch and SYSTEM switches permitting.

  • Page 271: Print Key

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 PRINT KEY PRINT LD10605 Print Key Operation The PRINT key is used to initiate a printout of cur- TABLE 22 - PRINTOUT TYPES rent operating data (real time data), a complete history PRINTOUT TYPES printout of all history (fault) buffers, a printout of all Operating Data...
  • Page 272 2/3 or 4-circuit printout. COOLING SYSTEM STATUS BASEPLATE TEMPS XXX XXX DEGF Operating Data Printout PRECHARGE SIGNAL (2 circuit & 3 circuit) YORK INTERNATIONAL CORPORATION PRECHARGE SIGNALS XXX XXX LATITUDE SCREW CHILLER (4 circuit) OPERATING DATA MOTOR OVERLOADS 1/2...
  • Page 273 WED START=00:00AM STOP=00:00AM the header information shown below: THU START=00:00AM STOP=00:00AM FRI START=00:00AM STOP=00:00AM YORK INTERNATIONAL CORPORATION SAT START=00:00AM STOP=00:00AM LATITUDE SCREW CHILLER HOL START=00:00AM STOP=00:00AM HISTORY NUMBER 1 SOUND LIMIT SCHEDULE...

  • Page 274: Service Key

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 SERVICE KEY SERVICE LD10605 Service Key Operation The SERVICE key allows viewing data related to the Pressing the (ENTER) key allows “view only” Ser-  internal function of the chiller system electronics. Data vice Mode operation.
  • Page 275 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 The data sections are listed below: If the input is programmed for a current input, the volt- age read by the MUX is displayed. If the input is dis- • Software Versions abled under the OPTIONS key, the voltage display will display “DISABLED”.
  • Page 276 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 SERVICE AI J20-3 SYS3 MOTOR TEMP T3 SERVICE AI J22-24 SYS2 DISCHARGE PRESS X.X VDC = XXX.X °F X.X VDC = XXX.X PSIG SERVICE AI J23-3 SYS3 OIL TEMP SERVICE AI J20-6 SYS4 MOTOR TEMP T1 X.X VDC = XXX.X °F X.X VDC...
  • Page 277 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 SERVICE DI J4-2 UNIT SWITCH 1 SERVICE DI J7-8 CONFIG INPUT 3 STATUS = XXX STATUS = XXX SERVICE DI J7-10 CONFIG SPARE INPUT 0 SERVICE DI J4-3 UNIT SWITCH 2 STATUS = XXX STATUS = XXX SERVICE DI J7-12...
  • Page 278 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 SERVICE DO J10-4 CHILLER RUN SERVICE DO J11-9 SYS 3 COND FAN OUT 2 RB1 TB1-14 STATUS = XXX RB1 TB1-5 STATUS = XXX SERVICE DO J10-5 SYS 2 SPARE SERVICE DO J11-10 SYS 3 COND FAN OUT 3 RB1 TB1-12 STATUS = XXX RB1 TB1-4...
  • Page 279 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 The sixth data section displays the “VSD” digital out- SERVICE AO J14-3 SYS 4 FEED VALVE OUT puts (DO) that can be viewed from the Service Mode. XXX.X % = XX.X VDC The Digital Output signals indicate the status of the output.

  • Page 280: System Switches Key

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 SYSTEM SWITCHES KEY SYSTEM SWITCHES LD10605 System Switches Key Operation The SYSTEM SWITCHES key allows the operator ◄ (LEFT ARROW) or ► (RIGHT ARROW) to turn individual systems ON and OFF. Safety lock- keys allow scrolling through the choices of: outs are also reset by selecting the respective system •...

  • Page 281: Serial Number Programming

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 SERIAL NUMBER PROGRAMMING When changing a Chiller Control Board, a Chiller SERVICE MODE XXXXX Control Board EPROM, or if a situation occurs where PRESS ENTER KEY TO CONTINUE a chiller is not programmed from the factory, the chill- Key in the 5 digit alphanumeric password provided by er serial number will need to be programmed into the Product Technical Support and press the...

  • Page 282: Enabling Optimized High Iplv Mode

    UNIT WARING: OPTIMZED EFFICIENCY display and should match the first 7 characters of the DISABLED - CONTACT YORK REPRESENATIVE serial number on the unit Data Plate. The next three digits of the serial number should now be keyed in. If the message above appears, immediately contact Press the (ENTER) key to store the input.

  • Page 283: Unit Setup Mode

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 UNIT SETUP MODE Unit Setup Mode will allow the programming all of This mode may be entered by pressing the PROGRAM the programmable values that the user should never key, entering the password 4245, and pressing the change.

  • Page 284: Default Programmable Values

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 SETUP MODE ◄ DEF XXXXX LO XXXXX HI XXXXX SETUP MODE SYS 3 MOTOR SENSOR TO IGNORE COMP 1 STARTS = XXXXX ◄ ► XXXXXXXXXXXXXXXXXXXXXXXXX SETUP MODE ◄ DEF XXXXX LO XXXXX HI XXXXX SETUP MODE SYS 4 MOTOR SENSOR TO IGNORE COMP 2 STARTS = XXXXX...

  • Page 285: Analog Input Connections

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 TABLE 24 - SERIAL PORT CONNECTIONS BOARD HEADER PORT TYPE PORT USE Chiller Control Board TB1 / TB2 RS-232 / RS-485 Printer/RCC and ISN Chiller Control Board J2 / J1 RS-485 Control Panel <->...
  • Page 286 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 TABLE 25 - ANALOG INPUT CONNECTIONS (CONT'D) BOARD HEADER ANALOG INPUT Chiller Control Board J20-2 Comp 3 Motor Temperature 2 Chiller Control Board J20-3 Comp 3 Motor Temperature 3 Chiller Control Board J20-6 Comp 4 Motor Temperature 1 Chiller Control Board...

  • Page 287: Digital Intput Connections

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 DIGITAL INTPUT CONNECTIONS J12-3 can also be used as common, as well as chassis Table 26 on page 287 lists the digital inputs and the ground, or the common terminal point on the Chiller circuit board they are located on.

  • Page 288: Analog Output Connections

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 ANALOG OUTPUT CONNECTIONS Table 27 on page 288 lists the analog outputs and the circuit board they are located on. The analog output signals are feed to the associated control device from the 2 wires in the associated plug.

  • Page 289: Digital Output Connections

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 DIGITAL OUTPUT CONNECTIONS The 0 VAC to 120 VAC single digital outputs from the Table 28 on page 289 lists the digital outputs and the Relay Output Boards are referenced to neutral (Wire plug/terminals of the circuit board they originate from.
  • Page 290 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 TABLE 28 - DIGITAL OUTPUT CONNECTIONS (CONT'D) BOARD HEADER ANALOG OUTPUT Chiller Control / Relay Board 3 J11-5 / TB1-12 and 11 Sys 4 Economizer Solenoid Valve Chiller Control / Relay Board 3 J11-6 / TB1-10 and 9 Sys 4 SPARE Chiller Control / Relay Board 3...

  • Page 291: Bacnet, Modbus And Yorktalk 2 Communications

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 BACNET, MODBUS AND YORKTALK 2 COMMUNICATIONS Data can be read and in some cases modified using a See Figure 61 on page 292 “Control Board Connec- serial communication BACnet, Modbus or YorkTalk 2 tions”...

  • Page 292: Figure 61 - Control Board Connections

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 LD10637 FIGURE 61 - CONTROL BOARD CONNECTIONS Connections for ISN communications are on the Chiller The Chiller Control Board contains a dual UART for Control Board on TB1/TB2. TB2 on the Microgateway RS-485 and RS-232 communications.

  • Page 293: Table 30 - Values Required For Bas Communication

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 The table below shows set-up requirements for each communication protocol. TABLE 30 - VALUES REQUIRED FOR BAS COMMUNICATION Protocol SETTING DESCRIPTION BACnet MS/TP Modbus RTU YorkTalk 2 DE MODIFIER ADDRESS 0 to 41943 DE MODIFIER OFFSET 0 to 99 P1 PROTOCOL...
  • Page 294 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 BACnet and Modbus Communications Communications Data Map Notes Chiller data that can be read and modified using spe- (See Table 32 on page 295) cific BACnet or Modbus Register Addresses; and the 1.

  • Page 295: Table 32 - Bacnet And Modbus Communications Data Map

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 TABLE 32 - BACNET AND MODBUS COMMUNICATIONS DATA MAP JOHNSON CONTROLS...
  • Page 296 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 TABLE 32 - BACNET AND MODBUS COMMUNICATIONS DATA MAP (CONT’D) JOHNSON CONTROLS...
  • Page 297 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 TABLE 32 - BACNET AND MODBUS COMMUNICATIONS DATA MAP (CONT’D) JOHNSON CONTROLS...
  • Page 298 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 TABLE 32 - BACNET AND MODBUS COMMUNICATIONS DATA MAP (CONT’D) JOHNSON CONTROLS...
  • Page 299 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 TABLE 32 - BACNET AND MODBUS COMMUNICATIONS DATA MAP (CONT’D) JOHNSON CONTROLS...
  • Page 300 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 Yorktalk 2 Communications Transmitted Data After receiving a valid transmission from the Micro- Received Data (Control Data) Gateway or E-Link, the unit will transmit either op- The unit receives eight data values from the Micro- erational data or history buffer data depending on the Gateway or E-Link.

  • Page 301: Table 33 - Yorktalk 2 Communications Data Map

    FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 TABLE 33 - YORKTALK 2 COMMUNICATIONS DATA MAP JOHNSON CONTROLS...
  • Page 302 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 TABLE 33 - YORKTALK 2 COMMUNICATIONS DATA MAP (CONT’D) JOHNSON CONTROLS...
  • Page 303 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 TABLE 33 - YORKTALK 2 COMMUNICATIONS DATA MAP (CONT’D) JOHNSON CONTROLS...
  • Page 304 FORM 201.23-NM2 SECTION 8 - MICROPANEL ISSUE DATE: 09/25/2020 TABLE 33 - YORKTALK 2 COMMUNICATIONS DATA MAP (CONT’D) JOHNSON CONTROLS...

  • Page 305: Section 9 - Maintenance

    FORM 201.23-NM2 ISSUE DATE: 09/25/2020 SECTION 9 - MAINTENANCE GENERAL REQUIREMENTS Refrigerant Leaks Visually check the heat exchangers, compressors and The units have been designed to operate continuously, pipework for damage and gas leaks. provided they are regularly maintained and operated within the limitations given in this manual.

  • Page 306: R-134A Conversion Tables

    FORM 201.23-NM2 SECTION 9 - MAINTENANCE ISSUE DATE: 09/25/2020 R-134a CONVERSION TABLES The following table can be used for converting R-134a pressures to their equivalent saturated temperatures. TABLE 34 - R-134a PRESSURE TO SATURATED TEMPERATURE CONVERSION PRESSURE DEW POINT PRESSURE DEW POINT PRESSURE DEW POINT...

  • Page 307: Maintenance Requirements For Yciv Chillers

    FORM 201.23-NM2 SECTION 9 - MAINTENANCE ISSUE DATE: 09/25/2020 MAINTENANCE REQUIREMENTS FOR YCIV CHILLERS SEMI- EVERY 5 EVERY * PROCEDURE WEEKLY QUARTERLY ANNUALLY ANNUALLY YEARS HOURS Check Oil Level in Oil Separator Sight Glass. Check Liquid Line Sight Glass/ Moisture Indicator.

  • Page 308: Troubleshooting Guide

    FORM 201.23-NM2 SECTION 9 - MAINTENANCE ISSUE DATE: 09/25/2020 TROUBLESHOOTING GUIDE (Always remove power to the chiller and assure the DC Bus voltage has bled off) PROBLEM POSSIBLE CAUSE ACTION High Voltage to the Chiller is missing. Supply to the Panel is missing. Check 1FU, 2FU, 4FU, 5FU, 17FU, or 19FU.
  • Page 309 FORM 201.23-NM2 SECTION 9 - MAINTENANCE ISSUE DATE: 09/25/2020 PROBLEM POSSIBLE CAUSE ACTION Discharge Temperature Sensor is defective. Check Sensor. Condenser Fans NOT operating or are running back- System Fault: Check Fans. wards. High Discharge Coils dirty. Check and clean Coils. Temperature Measure Superheat with gauges and thermo- High Superheat.

  • Page 310: Limited Warranty

    2. Equipment is used with any material or any equip- trols, at its option, will repair or replace, FOB point of ment such as evaporators, tubing, other low side shipment, such YORK products or components as it equipment, or refrigerant controls not approved finds defective.

  • Page 311: Chilled Liquid And Suction Temperature Sensor Input Voltage

    FORM 201.23-NM2 SECTION 9 - MAINTENANCE ISSUE DATE: 09/25/2020 CHILLED LIQUID AND SUCTION TEMPERATURE SENSOR INPUT VOLTAGE TABLE 35 - TEMPERATURE INPUT VOLTAGE SENSOR (MEASURED SIGNAL TO SHIELD AT THE SENSOR) TEMP. (ºF) VOLTAGE TEMP. (ºF) VOLTAGE TEMP. (ºF) VOLTAGE 16.1 1.52 35.9...

  • Page 312: Table 36 - Outside Air Temperature Sensor Input Voltage (Measured Signal To Shield At The Sensor)

    FORM 201.23-NM2 SECTION 9 - MAINTENANCE ISSUE DATE: 09/25/2020 TABLE 36 - OUTSIDE AIR TEMPERATURE SENSOR INPUT VOLTAGE (MEASURED SIGNAL TO SHIELD AT THE SENSOR) TEMP. (ºF) VOLTAGE TEMP. (ºF) VOLTAGE TEMP. (ºF) VOLTAGE 0.24 0.68 49.8 2.00 93.3 3.31 1.79 0.71 50.7...

  • Page 313: Table 37 - Pressure Transducer Output Voltage (Measured Signal To Return At The Transducer)

    FORM 201.23-NM2 SECTION 9 - MAINTENANCE ISSUE DATE: 09/25/2020 TABLE 37 - PRESSURE TRANSDUCER OUTPUT VOLTAGE (MEASURED SIGNAL TO RETURN AT THE TRANSDUCER) SUCTION PRESSURE DISCHARGE PRESSURE DISCHARGE PRESSURE TRANSDUCER TRANSDUCER TRANSDUCER (125 PSIG) (275 PSIG) (275 PSIG) PRESSURE VOLTAGE PRESSURE VOLTAGE PRESSURE...

  • Page 314: Table 38 - Motor Temperature Sensor Resistance (Check At The Motor)

    FORM 201.23-NM2 SECTION 9 - MAINTENANCE ISSUE DATE: 09/25/2020 TABLE 38 - MOTOR TEMPERATURE SENSOR RESISTANCE (CHECK AT THE MOTOR) TEMP. RNOMINAL RTOL RMIN RMAX (ºC) (OHM) (± %) (OHM) (OHM) 97,062 5.00 92,209 101,915 77,941 4.60 69,586 76,296 55,391 4.20 52,996 57,643...

  • Page 315: Table 39 - Compressor Motor Overload Settings And Max. Vsd Frequency

    FORM 201.23-NM2 SECTION 9 - MAINTENANCE ISSUE DATE: 09/25/2020 TABLE 39 - COMPRESSOR MOTOR OVERLOAD SETTINGS AND MAX. VSD FREQUENCY 2 COMP CHILLER MODELS WITH STANDARD (PIN 52 = X) AND ULTRA QUIET FANS (PIN 52 = L) CHILLER MODEL CHILLER NAME- COMPRESSOR 1 COMPRESSOR 2...
  • Page 316 FORM 201.23-NM2 SECTION 9 - MAINTENANCE ISSUE DATE: 09/25/2020 TABLE 39 - COMPRESSOR MOTOR OVERLOAD SETTINGS AND MAX. VSD FREQUENCY (CONT'D) 2 COMP CHILLER MODELS WITH HIGH HEAD/HIGH STATIC FANS (PIN 52 = H) CHILLER MODEL CHILLER NAME- COMPRESSOR 1 COMPRESSOR 2 (2 COMP) MAXIMUM VSD FRE-...
  • Page 317 FORM 201.23-NM2 SECTION 9 - MAINTENANCE ISSUE DATE: 09/25/2020 TABLE 39 - COMPRESSOR MOTOR OVERLOAD SETTINGS AND MAX. VSD FREQUENCY (CONT'D) 3 COMP CHILLER MODELS WITH STANDARD (PIN 52 = X) AND ULTRA QUIET FANS (PIN 52 = L) COMPRESSOR 1 COMPRESSOR 2 COMPRESSOR CHILLER MODEL...

  • Page 318: Printer Wiring

    FORM 201.23-NM2 SECTION 9 - MAINTENANCE ISSUE DATE: 09/25/2020 Printer designs change rapidly. The user PRINTER WIRING should use the printer manual for the A “serial” printer may be connected to the TB1 connec- respective printer for set-up and wiring. tor on the Chiller Logic Board for the purposes of log- ging data and troubleshooting.
  • Page 319 FORM 201.23-NM2 SECTION 9 - MAINTENANCE ISSUE DATE: 09/25/2020 Printer Cables With High Speed Serial Board Printer cables should be shielded coaxial, #18AWG, SW1 – OFF: (-) Low when busy stranded wire cables, not to exceed 50 ft in length. On 2 –...

  • Page 320: Operating Log Sheet

    FORM 201.23-NM2 SECTION 9 - MAINTENANCE ISSUE DATE: 09/25/2020 OPERATING LOG SHEET SITE AND CHILLER INFORMATION JOB NAME: START DATE: LOCATION: COMPRESSOR # 1 - MODEL #: COMPRESSOR # 2 - MODEL #: SALES ORDER #: COMPRESSOR # 3 - MODEL #: TECHNICIAN NAME: COMPRESSOR # 4 - MODEL #: CHILLER MODEL #:...
  • Page 321 FORM 201.23-NM2 SECTION 9 - MAINTENANCE ISSUE DATE: 09/25/2020 UNIT OPERATING TEMPERATURES AND PRESSURES CHILLED LIQUID TEMPERATURES VSD BUS VOLTAGE Entering Temp. = ºF(ºC) Bus 1 = Leaving Temp. = ºF(ºC) Bus 2 = OUTDOOR AMBIENT TEMPERATURES VSD INTERNAL AMBIENT TEMPERATURE OAT = ºF(ºC) Ambient Temp.
  • Page 322 FORM 201.23-NM2 SECTION 9 - MAINTENANCE ISSUE DATE: 09/25/2020 SYSTEM OPERATING CONDITIONS SYSTEM STARTS ECONOMIZER SOLENOID STATUS SYS 1 SYS 2 SYS 3 SYS 4 STARTS Economizer SYSTEM 1 (ON/OFF) SYSTEM 2 FEED/DRAIN VALVE % OPEN SYSTEM 3 SYS 1 SYS 2 SYS 3 SYS 4 SYSTEM 4 Feed Valve OIL SEPARATOR LEVEL...
  • Page 323 FORM 201.23-NM2 SECTION 9 - MAINTENANCE ISSUE DATE: 09/25/2020 WATER SYSTEM CONDITIONS CONDENSER CONDITIONS EVAPORATOR FLOW AIR TEMPERATURE Flow Rate Air ON Temperature ºF (ºC) Air OFF Temperature Evap Pressure Drop FT / LBS ºF (ºC) (Circle One) Glycol Freeze Point ºF (ºC) JOHNSON CONTROLS...

  • Page 324: Recommended Spare Parts

    FORM 201.23-NM2 SECTION 9 - MAINTENANCE ISSUE DATE: 09/25/2020 RECOMMENDED SPARE PARTS DESCRIPTION MODEL NUMBER YCIV PART NUMBER 024-27322-004 Fan Motor (Standard Low Noise) 024-27322-007 024-34980-005 Fan Motor (Optional Ultra Low Noise) 024-34980-001 Fan Blade (Standard Low Noise) 026-41594-000 Fan Blade (Optional Ultra Low Noise) 026-41942-000 Core, Dehydrator 026-37450-000...
  • Page 325 FORM 201.23-NM2 ISSUE DATE: 09/25/2020 NOTES JOHNSON CONTROLS...
  • Page 326 5000 Renaissance Drive, New Freedom, Pennsylvania USA 17349 1-800-524-1330 Subject to change without notice. Printed in USA Copyright © by Johnson Controls 2020 www.johnsoncontrols.com ALL RIGHTS RESERVED Form 201.23-NM2 (920) Issue Date: September 25, 2020 Supersedes: 201.23-NM2 (919)

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