Friedrich FRESHAIRE PVH09K3FA Service & Parts Manual
  1. Manuals
  2. Brands
  3. Friedrich Manuals
  4. Temperature Controller
  5. FRESHAIRE PVH09K3FA
  6. Service & parts manual

Friedrich FRESHAIRE PVH09K3FA Service & Parts Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

PTAC
FRESHAIRE
®
Standard Chassis Models
9K
PVH09K3FA, PVH09K3FB, PVH09R3FA, PVH09R3FB
12K
PVH12K3FA, PVH12K3FB, PVH12R3FA, PVH12R3FB
1
94131400_01

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the FRESHAIRE PVH09K3FA and is the answer not in the manual?

Questions and answers

Related Manuals for Friedrich FRESHAIRE PVH09K3FA

Summary of Contents for Friedrich FRESHAIRE PVH09K3FA

  • Page 1 PTAC FRESHAIRE ® Standard Chassis Models PVH09K3FA, PVH09K3FB, PVH09R3FA, PVH09R3FB PVH12K3FA, PVH12K3FB, PVH12R3FA, PVH12R3FB 94131400_01...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION Important Safety Information Personal Injury Or Death Hazards Operation of Equipment in During Construction Typical Unit Components and Dimensions Model Number Reference Guide Serial Number Reference Guide Product Features SPECIFICATIONS General Specifications 9-12k Heat Pump Models Electrical Data OPERATION Function and Control...
  • Page 3 Check Thermistors -Resistance Table of Thermistors (5K) Check Thermistors -Resistance Table of Thermistors (50K)(Compressor Discharge Sensor) WIRING DIAGRAMS PARTS CATALOG PVH09K3FA, PVH09K3FB, PVH09R3FA, PVH09R3FB PVH12K3FA, PVH12K3FB, PVH12R3FA, PVH12R3FB ACCESSORIES APPENDIX Reference Sheet of Celsius and Fahrenheit WARRANTY FRIEDRICH AUTHORIZED PARTS DEPOTS...

  • Page 4: Introduction

    INTRODUCTION Important Safety Information The information in this manual is intended for use by a qualified technician who is familiar with the safety proce- dures required for installation and repair, and who is equipped with the proper tools and test instruments required to service this product.

  • Page 5: Personal Injury Or Death Hazards

    INTRODUCTION Personal Injury Or Death Hazards WARNING AVERTISSEMENT ADVERTENCIA SAFETY Do not remove, disable or Ne pas supprime, désactiver No eliminar, desactivar o bypass this unit’s safety ou contourner cette l´unité pasar por alto los dispositi- FIRST devices. Doing so may des dispositifs de sécurité, vos de seguridad de la cause fire, Doing so may...
  • Page 6 INTRODUCTION Personal Injury Or Death Hazards • REFRIGERATION SYSTEM REPAIR HAZARDS: • Use approved standard refrigerant recovering procedures and equipment to relieve high pressure before open- ing system for repair. • Do not allow liquid refrigerant to contact skin. Direct contact with liquid refrigerant can result in minor to moder- ate injury.

  • Page 7: Operation Of Equipment In During Construction

    INTRODUCTION Operation of Equipment in During Construction • OPERATION OF EQUIPMENT MUST BE AVOIDED DURING CONSTRUCTION PHASES WHICH WILL PRODUCE AIRBORNE DUST OR CONTAMINTES NEAR OR AROUND AIR INTAKE OPENINGS: • Wood or metal framing; • Drywalling or sheathing, • Spackling or applying joint compound.

  • Page 8: Model Number Reference Guide

    This service manual was written to assist the professional service technician to quickly and accurately diagnose and repair malfunctions. Installation procedures are not given in this manual. They are given in the Installation and Operation Manual which can be aquired on the Friedrich website (www.friedrich.com).

  • Page 9: Serial Number Reference Guide

    INTRODUCTION Serial Number Reference Guide 17 12 M 00001 NUMERIC SEQUENCE YEAR OF MANUFACTURE FIRST UNIT OF EACH MONTH = 00001 17 = 2017 18 = 2018 19 = 2019 20 = 2020 21 = 2021 22 = 2022 MONTH OF MANUFACTURE 01 = JANUARY MANUFACTURING LOCATION 02 = FEBRUARY...

  • Page 10: Product Features

    Friedrich PTAC Digital Control and Unit Features The new Friedrich digital PTAC has state of the art features to improve guest comfort, indoor air quality and conserve energy. Through the use of specifically designed control software for the PTAC industry Friedrich has accomplished what other Manufacturer’s have only attempted – a quiet, dependable, affordable and easy to use PTAC.
  • Page 11 All filters are washable, reusable and easily accessed from the top of the unit without the removal of the AIR FILTERS front cover. Friedrich PTAC units are capable of introducing up to 40 CFM of outside air into the conditioned space. FILTERED FRESH AIR INTAKE The outdoor air passes through a washable mesh screen to prevent debris from entering the airstream.

  • Page 12: Specifications

    SPECIFICATIONS General Specifications 9-12k Heat Pump Models PVH Series Cooling with Heat Pumps Model PVH09K PVH12K PVH09R PVH12R PERFORMANCE DATA: Cooling Capacity 9600/9400 12000/11800 9600 12000 Cooling Capacity Min./Max 6462-12099 7929-17142 6462-12099 7929-17142 Cooling Watts 790/775 1040/1025 1040 Energy Efficiency Ratio 12.1/12.1 11.5/11.5 12.0...
  • Page 13 SPECIFICATIONS 21 1/2 Unit:inch Figure 205 ( Chassis Specs) Figure 206 (Typical Unit Components and Dimensions)

  • Page 14: Electrical Data

    Failure to do so can result in property damage, personal injury and/or death. B. Power Cord Information (230/208V models only) All Friedrich 230/208V PTAC units are shipped from the factory with a Figure 14 Leakage Current Detection Interrupter (LCDI) equipped power cord. The...
  • Page 15 SPECIFICATIONS Electrical Data Table 2 203/208 Electric Heater Rating (Configuration Based on Power Cord0 Model Heater kW Power Cord Kit Voltage Amperage Receptacle POWER CORD VOLTAGE BRANCH CKT AMPS WATTS PDE/PDH07K PXPC23015A 230/208 NEMA 6-15r PXPCFA23015A 230/208 13.9 2500 PXPC23020A (STD) 230/208 NEAM 6-20r PXPCFA23020A...
  • Page 16 SPECIFICATIONS Electrical Data Figure 16 Figure 15 TO CHASSIS JUNCTION STRAIGHT CONNECTOR WALL CONNECTION JUNCTION 4.0 IN. GROUND SCREW GROUND WIRE HARNESS COVER 18.0 IN. JUNCTION SCREWS EXPOSE BOX COVER WIRES FRP033 (1.0 IN.) TRIM HARNESS Figure 17 TO LENGTH LEADING SIDE FOR WIRE HARNESS INSERTION LOCKNUT...

  • Page 17: Operation

    OPERATION Function and Control Buttons and Display 1) Buttons There are ON/OFF, UP, DOWN, HEAT, COOL, CONSTANT FAN and fan speed of HIGH, LOW, AUTO buttons. 1. ON/OFF: Press to turn power on or off to the unit. 2. COOL, HEAT: choose the mode of operation 3.

  • Page 18: Room Freeze Protection (Auto Heating)

    OPERATION Function and Control When Ts-2°F(1°C) <T1<Ts+ 4°F(2°C), the unit keeps at the previous running status. Electric heater does not work with heat pump at the same time. When T4>44°F 7°C, unit will run heat pump all the time. When 32°F < T4 < 44°F, unit will run in electric heating mode to meet the first cycle demand. From the second cycle on, heat pump will operate.

  • Page 19: Smart Fresh Air System

    OPERATION Function and Control 7) Smart fresh air system The control logic as the below table1 and table2, the DIP switch is SW3 on the main board. DIP switch SW3 function Freshaire "Engagement Method" Mode Description System Sw3 Dip Switch 1 ON/ OFF FA fan runs only when Dip Switch is set to "ON"...
  • Page 20 OPERATION Function and Control Relationship Between Inputs and Output by 24V Wall Thermostat INPUTS OUTPUT FreshAire Mode "24V wall In Demand No Demand Thermostat" Enable Continuous "ID Fan ID Fan Opera- "Fresh-Air Fan ID Fan Opera- "Fresh-Air Fan Speed Selec- tion Operation"...

  • Page 21: Advanced Functions

    OPERATION Function and Control Advanced Functions 1) DIP Switch Function [after reprogramming, disconnect the power cord and wait 2 minites for the electronic components (capacitors/resistors) to cool down or bleed off. Then power up again to make changes effective] 1 Reserved 2 Heat pump ON- valid;...

  • Page 22: Memory Function

    OPERATION Function and Control Advanced Settings Example Setting target: d0(C), d1(r), d2(30°C), d3(18°C), d4(-1°C), d5(1). Step 1: hold [HEAT] and [FAN SPEED] two keys at the same time continuously for 5 seconds. Display:’d0’’ Step 2: short press [HEAT] key. Display: ‘F’ Step 3: short press [+] or [-] key.

  • Page 23: Protection Functions

    OPERATION Function and Control Control logic (a). Turn ON unit: short R and FD then release one time within 5s. (b). Turn OFF unit: short R and FD then release twice within 5s. (c). Force unit shut down for one time: short R and FD short over 5s. NOTE: After forcing unit shut down, you can turn on the unit again by control panel.
  • Page 24 OPERATION Function and Control When compressor operating current exceeds the shut down point, compressor will be shut down. 7) IPM fault protection When IPM faults, include overheat, unit will be shut down and all outputs are shut down. Control panel displays the error code.

  • Page 25: System Configuration Fresh Air Vent Control

    OPERATION System Configuration Fresh Air Vent Control Figure 25 Air Vent Control System Configuration Fresh Air Vent Control POWER-DRIVEN VENT DOOR FRP025 Adjusting Air Figure 26 Backside of Front Panel LOUVER SCREWS FRP026 Figure 27 Adjusting Louvers AIR DISCHARGE OUTWARD (Default) AIR DISCHARGE UPWARD FRP027...
  • Page 26 OPERATION System Configuration Fresh Air Vent Control Digital Control User Input Configuration The adjustable control dip switches are located at the front portion of the digital Smart Center. The inputs are only visible and accessible with the front cover removed from the PTAC. Dip Switch Setting With the room freeze protection enable.Room Freeze Protection can be Switch 1-Reserved.
  • Page 27 OPERATION System Configuration Fresh Air Vent Control Engagement FreshAire System Mode Description Method SW3 DIP SWITCH Fresh-Air Fan runs only when Dip Switch is set to ‘ON’ SW3-1 ON / OFF ON/CON. Fresh-Air Fan NEVER RUNS when Dip Switch is set to ‘OFF’...

  • Page 28: Digital Control User Input Configuration

    OPERATION Digital Control Operation Digital Control User Input Configuration Figure 29 Digital Control Panel FRP029 Emergency Heat Operation Cooling Mode Pressing the “Cool” button after turn the unit on will put the unit into In the event of a compressor failure in heat pump mode, the compressor cooling mode.

  • Page 29: Settings- Detailed Configurations

    OPERATION Settings- Detailed Configurations This section is about how to set the unit operating parameter, include display temperature unit, Fahrenheit or Celsius, control master, temperature limit, temperature calibration, display set point or room temperature. Under OFF mode, hold [Cool] and [Low] two keys at the same time continuously for 5 seconds. This time displays ‘d0’, indicates that system has entered the senior operation status.

  • Page 30: Refrigeration Sequence Of Operation

    OPERATION Refrigeration Sequence Of Operation A good understanding of the basic operation of the refrigeration system is essential for the service technician. Without this understanding, accurate troubleshooting of refrigeration system problems will be more difficult and time consuming, if not (in some cases) entirely impossible.

  • Page 31: Refrigerant System Diagram

    OPERATION Refrigerant System Diagram (1)Cooling + Heat Pump + Auxiliary Electric Heater PDH07R3SG PDH09R3SG PDH12R3SG PDH15R5SG CENTRIFUGAL AXIAL FAN OR CROSS FAN COOLED AIR HOT DISCHARGED AIR HOT AIR COOLED AIR COMPRESSOR INDOOR COILS OUTDOOR COILS ELECTRIC HEATER CAPILLARY COOLING MODE REFRIGERANT FLOW DIRECTION NOTES: HEATING MODE...

  • Page 32: Routine Maintenance

    Routine Maintenance Coils & Chassis NOTE: Do not use a caustic cleaning agent on coils or base pan. Use a biodegradable cleaning agent and degreaser. The use of harsh cleaning materials may lead to deterioration of the aluminum fins or the coil end plates. The indoor coil and outdoor coils and base pan should be inspected periodically (annually or semi-annually) and cleaned of all debris (lint, dirt, leaves, paper, etc.) as necessary.

  • Page 33: Installation

    FRP002 The above suggestions are for reference only and do not represent all possible installations.Please contact Friedrich for information regarding affects of other installation arrangements.By following these simple recommendations you can be confident that your Friedrich PTAC will provide years of worry free operation.

  • Page 34: Wall Sleeve Installation Instructions (Pdxws)

    INSTALLATION Wall Sleeve Installation Instructions (PDXWSA) Wall Sleeve Installation Instructions (PDXWS) NOTE: Insure that the unit is only installed in a wall structurally adequate to support the unit including the sleeve, chassis and accessories.If the sleeve projects more than 8" into the room, a subbase or other means of support MUST be used. Please read these instructions completely before attempting installation.

  • Page 35: Alternate Wall Installations

    INSTALLATION Figure 6 Figure 4 Alternate Wall Installations CurtainWall Panel Wall 1/4" MIN WALL OR PROJECTIO WINDOW CASE FLANGE (BY OTHERS) OPTIONAL SUBBASE OPTIONAL SUBBASE LEVELING SCREW LEVELING SCREW FRP006 FRP004 Figure 5 Figure 7 Frame and Brick Veneer Block and Brick Veneer 1/4"...
  • Page 36 INSTALLATION Alternate Wall Installations Figure 8 Wall Sleeve Attachment ALTERNATE FASTENING METHODS WALL (Field Supplied) SLEEVE NOTE: The Wall Sleeve must be horizontally level (side-to-side) and pitched 1/4 bubble to the WOOD SCREW outside when installed in an opening. TOGGLE BOLT The mounting hole location EXPANSION should be approximately 2-4”...
  • Page 37 INSTALLATION Alternate Wall Installations 5. Drill two 3/16" holes through each side of the sleeve approximately 7. If the chassis and exterior grille are to be installed later, leave the 4" from top and 4" from bottom of sleeve. Screw four #10 x 1" weatherboard and center support in place, otherwise remove and screws (included) or appropriate fasteners for your installation, dispose of them.

  • Page 38: Pxdr10Drainkitinstallation

    INSTALLATION PXDR10 Drain Kit Installation PXDR10DrainKitInstallation Remove the backing from the gasket and mount it on the flat side of the mounting plate (See Figure 12, Page 11). Insert the Instructions (optional for new drain tube through the hole in the gasket and mounting plate so the tube flange will be against the wall sleeve.

  • Page 39: External Drain

    INSTALLATION External Drain External Drain (for new Cover Plate Installation Mount the foam gasket to the cover plate. Using two #10 x ½" sheet construction or unit metal screws (provided), attach the cover plate to the remaining drain hole. Make certain the large flange on the plate is positioned replacement) at the bottom of the sleeve.

  • Page 40: Pxgastandard Grille

    INSTALLATION PXGA Standard Grille PXGAStandard Grille Insert the remaining screws into the remaining holes and tighten securely. Installation Instructions WARNING Remove the center support and weatherboard if still installed in the sleeve. Insert six plastic grommets into the grille openings from the outside Falling Object Hazard of the grille as shown in Figure 13.
  • Page 41 INSTALLATION PXGA Standard Grille CAUTION Figure 21 Unit Damage Hazard Removing Front Panel Failure to follow this caution may result in equipment damage or improper operation. Carefully remove shipping tape from the front panel and power vent door. See Figure 20. Figure 20 Shipping Tape Location FRP021...

  • Page 42: Chassis Install

    INSTALLATION Chassis Install Chassis Installation Place tabs over top rail.(1)Push inward at bottom until panel snaps into place(2). 1. Lift unit level and slide unit into wall sleeve until seal rests Reinstall front panel.See Figure 23. firmly against front of wall sleeve. CAUTION Figure 22 SecuringUnit...

  • Page 43: Remote Control Thermostat Installation

    RemoteThermostat B = Reversing Valve Energized in Heating Mode All Friedrich PV model PTAC units are factory configured to be controlled GL = Call for Low Fan by either the chassis mounted Smart Center or a 24V remote wall mounted GH = Call for High Fan thermostat.The thermostat may be auto or manual changeover as long as...

  • Page 44: Front Desk Control Terminal

    WARNING responsibility to ensure that all control wiring e made in accordance with the installation The Friedrich PV model PTAC has built-in provisions for connection to an roper connection of the thermostat control Electrical Shock Hazard external switch to control power to the unit. The switch can be a central mpering with the unit's internal wiring can desk control system.

  • Page 45: Final Inspection & Start-Up Checklist

    & Operation manual, all accessory installation instructions, and the coil, and outdoor coil are free from any obstructions. name, address and telephone number of the Authorized Friedrich Warranty Service Company in the area for future reference if  Ensure that the entire installation is in compliance with all applicable necessary.

  • Page 46: Unit Disassembly And Component Replacement

    UNIT DISASSEMBLY AND COMPONENT REPLACEMENT Remove Chassis WARNING ELECTRIC SHOCK HAZARD Turn off electric power before service or installation. Extreme care must be used, if it becomes necessary to work on equipment with power applied. Failure to do so could result in serious injury or death.

  • Page 47: Remove User Interface

    UNIT DISASSEMBLY AND COMPONENT REPLACEMENT Remove User Interface WARNING ELECTRIC SHOCK HAZARD Turn off electric power before service or installation. Extreme care must be used, if it becomes necessary to work on equipment with power applied. Failure to do so could result in serious injury or death.

  • Page 48: Open Electrical Control Box

    UNIT DISASSEMBLY AND COMPONENT REPLACEMENT Open Electrical Control Box WARNING ELECTRIC SHOCK HAZARD Turn off electric power before service or installation. Extreme care must be used, if it becomes necessary to work on equipment with power applied. Failure to do so could result in serious injury or death.

  • Page 49: Remove Power Cord

    UNIT DISASSEMBLY AND COMPONENT REPLACEMENT Remove Power Cord WARNING ELECTRIC SHOCK HAZARD Turn off electric power before service or installation. Extreme care must be used, if it becomes necessary to work on equipment with power applied. Failure to do so could result in serious injury or death.

  • Page 50: Remove Power Pcb

    UNIT DISASSEMBLY AND COMPONENT REPLACEMENT Remove Power PCB WARNING ELECTRIC SHOCK HAZARD Turn off electric power before service or installation. Extreme care must be used, if it becomes necessary to work on equipment with power applied. Failure to do so could result in serious injury or death.
  • Page 51 UNIT DISASSEMBLY AND COMPONENT REPLACEMENT Remove Power PCB (Continued) NOTE: It is a good practice to take pictures of the wiring connections to facilitate reinsallation. 6. Disconnect wire connectors from Power PCB (Power Board) one at a time. and and identify plugs for reinstallation (Figure 511).

  • Page 52: Remove Ipm Pcb (Inverter Board)

    UNIT DISASSEMBLY AND COMPONENT REPLACEMENT Remove IPM PCB (Inverter Board) Remove front panel (Figure 501). 2. Remove User Interface (Figures 502 thru 504). Open electrical Control Box (Figure 505). 4. Disconnect CN 13 from the Power PCB. 5. Remove Chassis from Wall (Figure 501). 6.

  • Page 53: Remove Blower Wheel (Inside Fan)

    UNIT DISASSEMBLY AND COMPONENT REPLACEMENT Remove Blower Wheel (Inside Fan) WARNING ELECTRIC SHOCK HAZARD Turn off electric power before service or installation. Extreme care must be used, if it becomes necessary to work on equipment with power applied. Failure to do so could result in serious injury or death.
  • Page 54 UNIT DISASSEMBLY AND COMPONENT REPLACEMENT Remove Blower Wheel (Inside Fan)(Continued) 9. Remove left panel (7 screws) (Figure 517). Figure 517 (Remove Left Panel) 10. Loosen set screw (DO NOT REMOVE) from blower motor shaft. (Figure 518). NOTE: Set screw is a metric type “Allen Head” screw. Figure 518 (Blower Wheel Set Screw)
  • Page 55 UNIT DISASSEMBLY AND COMPONENT REPLACEMENT Remove Blower Wheel (Inside Fan)(Continued) 11. Remove blower end plate (3 screws)(Figure 519). 12. Slide blower assembly out of left side of unit. Figure 519 (Blower End Plate)

  • Page 56: Remove Blower Wheel Motor (Inside Fan)

    UNIT DISASSEMBLY AND COMPONENT REPLACEMENT Remove Blower Wheel Motor (Inside Fan) WARNING ELECTRIC SHOCK HAZARD Turn off electric power before service or installation. Extreme care must be used, if it becomes necessary to work on equipment with power applied. Failure to do so could result in serious injury or death.
  • Page 57 UNIT DISASSEMBLY AND COMPONENT REPLACEMENT Remove Blower Wheel Motor (Inside Fan) (Continued) 7. Remove mounting screws from electrical box rear and side covers and slide out of way to facilitate blower motor replacement (Figure 522). 6. Remove fan motor bracket (3 screws). 7.

  • Page 58: Remove Heating Element

    UNIT DISASSEMBLY AND COMPONENT REPLACEMENT Remove Heating Element WARNING ELECTRIC SHOCK HAZARD Turn off electric power before service or installation. Extreme care must be used, if it becomes necessary to work on equipment with power applied. Failure to do so could result in serious injury or death.

  • Page 59: Remove Freshaire Components

    UNIT DISASSEMBLY AND COMPONENT REPLACEMENT Remove Freshaire Components WARNING ELECTRIC SHOCK HAZARD Turn off electric power before service or installation. Extreme care must be used, if it becomes necessary to work on equipment with power applied. Failure to do so could result in serious injury or death.
  • Page 60 UNIT DISASSEMBLY AND COMPONENT REPLACEMENT Remove Freshaire Components (Continued) 8) Remove freshaire actuator assembly (1 screw). Remove Blower wheel (Figure 514 thru 519). 10) Remove blower wheel housing. 11) Remove freshaire fan assembly ( 2 screws). Figure 528 (Remove Fresh Air Acuator and Fan)

  • Page 61: Remove Outdoor Fan

    UNIT DISASSEMBLY AND COMPONENT REPLACEMENT Remove Outdoor Fan WARNING ELECTRIC SHOCK HAZARD Turn off electric power before service or installation. Extreme care must be used, if it becomes necessary to work on equipment with power applied. Failure to do so could result in serious injury or death.
  • Page 62 UNIT DISASSEMBLY AND COMPONENT REPLACEMENT Remove Outdoor Fan (Continued) 8. Remove Brackets and Shrouds (12 screws)(Figure 531and 532). 9. Remove Mounting screws (4 places) (Figure 533). Figure 531 (Remove Brackets and Shroud) Figure 532 (Remove Brackets and Shroud) Figure 533 (Remove Mounting bolts)
  • Page 63 UNIT DISASSEMBLY AND COMPONENT REPLACEMENT Remove Outdoor Fan (Continued) 10. Pull up and remove fan housing (Figure 534). 11. Remove shaft nut and fan blade (Figure 535). 12. Remove motor (4 places) (Figure536). Figure 534 (Remove Assembly) Figure 535 (Remove fan blade) Figure 536 (Remove Fan Motor)

  • Page 64: Remove Reversing Valve Solenoid

    UNIT DISASSEMBLY AND COMPONENT REPLACEMENT Remove Reversing valve Solenoid Remove Chassis from wall (Figure 501). 2. Remove front panel (Figure 501). (Not required for Blade replacement) Remove User Interface (Figures 502 thru 504). Not required for Blade replacement) Open electrical Control Box (Figure 505).

  • Page 65: R-410A Sealed System Repair

    R-410A SEALED SYSTEM REPAIR The following is a list of important considerations WARNING when working with R-410A equipment R-410A pressure is approximately 60% higher than R-22 Refrigeration system under high pressure pressure. 2. R-410A cylinders must not be allowed to exceed 125 F, they may leak or rupture.

  • Page 66: Refrigerant Charging

    R-410A SEALED SYSTEM REPAIRS WARNING RISK OF ELECTRIC SHOCK Unplug and/or disconnect all electrical power to the unit before performing inspections, maintenances or service. Failure to do so could result in electric shock, serious injury or death. WARNING HIGH PRESSURE HAZARD Sealed Refrigeration System contains refrigerant and oil under high pressure.

  • Page 67: Undercharged Refrigerant Systems

    R-410A SEALED SYSTEM REPAIRS Undercharged Refrigerant Systems An undercharged system will result in poor WARNING performance (low pressures, etc.) in both the heating and cooling cycle. RISK OF ELECTRIC SHOCK Unplug and/or disconnect all electrical power to the unit before performing inspections, Whenever you service a unit with an undercharge of maintenances or service.

  • Page 68: Overcharged Refrigerant Systems

    R-410A SEALED SYSTEM REPAIRS Overcharged Refrigerant Systems Whenever an overcharged system is indicated, always WARNING make sure that the problem is not caused by air flow problems. Improper air flow over the evaporator coil RISK OF ELECTRIC SHOCK may indicate some of the same symptoms as an over Unplug and/or disconnect all electrical power to the unit before performing inspections, charged system.

  • Page 69: Restricted Refrigerant System

    R-410A SEALED SYSTEM REPAIRS Restricted Refrigerant System Troubleshooting a restricted refrigerant system can be difficult. The following procedures are the more common problems and solutions to these problems. There are two types of refrigerant restrictions: Partial restrictions and complete restrictions. A partial restriction allows some of the refrigerant to circulate through the system.

  • Page 70: Sealed System Method Of Charging/ Repairs

    R-410A SEALED SYSTEM REPAIRS Sealed System Method of Charging/ Repairs CAUTION WARNING FREEZE HAZARD BURN HAZARD Proper safety procedures must be followed, Proper safety procedures must be followed, and proper protective clothing must be worn and proper protective clothing must be worn when working with liquid refrigerant.

  • Page 71: Component Testing

    COMPONENT TESTING Hermetic Components Check WARNING WARNING BURN HAZARD CUT/SEVER HAZARD Proper safety procedures must be followed, Be careful with the sharp edges and corners. and proper protective clothing must be worn when working with a torch. Wear protective clothing and gloves, etc. Failure to follow these procedures could Failure to do so could result in serious injury.

  • Page 72: Reversing Valve Description And Operation

    COMPONENT TESTING Reversing Valve Description And Operation The Reversing Valve controls the direction of refrigerant flow to the indoor and outdoor coils. It consists of a pressure-operated, main valve and a pilot valve actuated by a solenoid plunger. The solenoid is energized during the heating cycle only.

  • Page 73: Testing The Reversing Valve Solenoid Coil

    COMPONENT TESTING Testing The Reversing Valve Solenoid Coil WARNING ELECTRIC SHOCK HAZARD Disconnect power to the unit before servicing. Failure to follow this warning could result in serious injury or death. The solenoid coil is an electromagnetic type coil mounted on the reversing valve and is energized during the operation of the compressor in the heating cycle.

  • Page 74: Checking The Reversing Valve

    COMPONENT TESTING Checking The Reversing Valve WARNING HIGH PRESSURE HAZARD Sealed Refrigeration System contains refrigerant and oil under high pressure. Proper safety procedures must be followed, and proper protective clothing must be worn when working with refrigerants. Failure to follow these procedures could result in serious injury or death.
  • Page 75 COMPONENT TESTING Replace The Reversing Valve WARNING NOTICE FIRE HAZARD HIGH PRESSURE HAZARD The use of a torch requires extreme care and proper Sealed Refrigeration System contains refrigerant judgment. Follow all safety recommended precautions and and oil under high pressure. Proper safety procedures must be followed, notice could result in moderate to serious property damage.

  • Page 76: Touch Test Chart : To Service Reversing Valves

    COMPONENT TESTING Touch Test Chart : To Service Reversing Valves NORMAL FUNCTION OF VALVE NOTES: VALVE OPERATING * TEMPERATURE OF VALVE BODY CONDITION ** WARMER THAN VALVE BODY POSSIBLE CAUSES CORRECTIONS Cool Normal Cooling Cool *TVB as (2) as (1) Cool Normal Heating Cool...

  • Page 77: Compressor Checks

    COMPONENT TESTING Compressor Checks WARNING WARNING ELECTRIC SHOCK HAZARD BURN HAZARD Turn off electric power before service or installation. Proper safety procedures must be followed, All electrical connections and wiring MUST be and proper protective clothing must be worn when working with a torch. the National Electrical Code and all local codes which have jurisdiction.
  • Page 78 COMPONENT TESTING Compressor Checks WARNING WARNING HIGH PRESSURE HAZARD ELECTRIC SHOCK HAZARD Turn off electric power before service or Sealed Refrigeration System contains refrigerant and oil under high pressure. installation. Extreme care must be used, if it becomes necessary to work on equipment with Proper safety procedures must be followed, power applied.

  • Page 79: Compressor Replacement

    COMPONENT TESTING Compressor Replacement 1. Be certain to perform all necessary electrical and refrigeration tests to be sure the compressor is actually defective before replacing. WARNING 2. Recover all refrigerant from the system though the process tubes. PROPER HANDLING OF RECOVERED REFRIGERANT ELECTRIC SHOCK HAZARD ACCORDING TO EPA REGULATIONS IS REQUIRED.

  • Page 80: Compressor Replacement -Special Procedure In Case Of Compressor Burnout

    COMPONENT TESTING Compressor Replacement -Special Procedure in Case of Compressor Burnout 1. Recover all refrigerant and oil from the system. 2. Remove compressor, capillary tube and filter drier from the system. 3. Flush evaporator condenser and all connecting tubing with dry nitrogen or equivalent.

  • Page 81: Check Indoor Fan Motor

    COMPONENT TESTING Check Indoor Fan Motor Gain Access to the Power PCB (Power Board). Indoor Fan (L) Indoor Fan (H) Indoor Fan (M) Remove front panel (Figure 501). Low Speed High Speed Medium Speed Remove User Interface (Figures 502 thru 504). Open electrical Control Box (Figure 505).

  • Page 82: Check Fan Motor Capacitors

    COMPONENT TESTING Check Fan Motor Capacitors Gain Acces to the Power PCB (Power Board). Remove front panel (Figure 501). Remove User Interface (Figures 502 thru 504). Open electrical Control Box (Figure 505). WARNING RISK OF ELECTRIC SHOCK Unplug and/or disconnect all electrical power Figure 708 (Fan Capacitors) to the unit before performing inspections, maintenances or service.

  • Page 83: Main Pcb (Logic) Board Connector Identification

    COMPONENT TESTING Main PCB (logic) Board Connector Identification Compressor Outdoor discharge Indoor ambient temperature (T1) ambient Indoor CN 6 Indoor coil temperature (T2) temperature temperature outlet Display Outdoor coil temperature (T3) (T5) (T4) air temperature CN 16 (T6) IR/ RF Remote CN-44 I- Check Trans_24V...

  • Page 84: Power Pcb (Power Board) Connector Identification

    COMPONENT TESTING Power PCB (Power Board) Connector Identification DC Bus Lines Positive CN 3 MB Com Mod Com J3 24V - J3 24v + DC Bus Lines Negative CN 21 CN 22 CN 20 FA + CN 5 CN-9 Inside Fan Fresh Air Connector Connector...

  • Page 85: Troubleshooting

    TROUBLESHOOTING Figure 711 Basic Troubleshooting Malfunction Possible Reasons Solution "Check the indicator LED on the LCID power head, it should be lit up, if not, Unit does not have power; Power line push the RESET button, if still no volt- damaged or power not available.
  • Page 86 TROUBLESHOOTING Figure 711 Basic Troubleshooting Malfunction Possible Reasons Solution Make sure that there are no obstacles at the indoor/outdoor air outlet. Something is blocking the indoor/out- Make sure that the grill is suitable for door air outlet. the unit, inappropriate grill will cause the compressor to fault;...

  • Page 87: Error Code And Solutions

    TROUBLESHOOTING Figure 712 Error code and solutions ERROR CODE Meaning Solutions Click link for reference Communication Error Check all Communication Cables; MOD_Com, MB_Com, Display_ “Unit does between Power, com& Power Relay_com. operate” in IPM, Main, & or troubleshooting Display electronic section”...
  • Page 88 TROUBLESHOOTING Figure 712 Error code and solutions ERROR CODE Meaning Solutions Click link for reference IPM Over Heat or Over Check for low air flow or no air flow due to evaporator or con- Operation Current Protection denser coil bloked with debris. section for details envoked Evap/Cond motor fan motor compromised, fan Capacitors com-...

  • Page 89: Unit Does Not Operate

    TROUBLESHOOTING Figure 713 Unit Does Not Operate Unit Does Not Operate Remove Front Panel (Figure 501) Open Electrical Box (Figure 505) Check L1 and L@ for line voltage (220- 265v) on Power PCB Check the fuse on Check LCDI Unit Is Line voltage the power PCB for power supply cord...
  • Page 90 TROUBLESHOOTING Figure 713 Unit Does Not Operate Disconnect Display Connector CN6 on top of Main PCB Set multi meter do read low voltage DC and place Multi Meter leads on pins 3 and 7. Set multimeter to read continuity. Check all wiring and Check all wires on comms cable Is Fluctuating...
  • Page 91 TROUBLESHOOTING Figure 714 Check Heater Coil The unit is equipped with a universal E-heater, which contains two independent heating elements. Two limit switches are incorporated into the heater assembly. The primary opens at 155°F and closes at 125°F. The secondary’s open temp is 200°F.They can not be replaced independantly.

  • Page 92: Check Electric Heater Control

    TROUBLESHOOTING Figure 717 Check Electric Heater Control Check Heater Assembly. Replace Heater Assembly. Refer to Figures 714-716 on previous page. Does Heater Assembly check good? Check for 230/265v across relay 1 black and relay 2 Check line voltage connec�ons at blue wire on com terminals.

  • Page 93: Check Thermistors

    TROUBLESHOOTING Figure 718 Check Thermistors Gain Acces to Main PCB (logic) board Remove front panel (Figure 501). Remove User Interface (Figures 502 thru 504). Open electrical Control Box (Figure 505). 4. Using a multi meter ohm across applicaple pins for the sensor you are checking.

  • Page 94: Check Thermistors -Resistance Table Of Thermistors (5K)

    TROUBLESHOOTING Figure 719 Check Thermistors -Resistance Table of Thermistors (5K) Temp Resis Temp Resis Temp Resis Temp Resis Temp Resis 130100 34252 10785 8275 3119 125518 33209 10499 8063 3048 121114 32202 10221 7857 2980 116881 31228 9952 7657 2913 112811 30288 9690...
  • Page 95 TROUBLESHOOTING Figure 719 Check Thermistors -Resistance Table of Thermistors (5K) Temp Resis Temp Resis Temp Resis Temp Resis Temp Resis 1321 1294 1269 1244 1219 1195 1171 1148 1126 1104 1083 1062 1041 1021 1001...

  • Page 96: Check Thermistors -Resistance Table Of Thermistors (50K)(Compressor Discharge Sensor)

    TROUBLESHOOTING Figure 720 Check Thermistors -Resistance Table of Thermistors (50K)(Compressor Discharge Sensor) Temp Resis Temp Resis Temp Resis Temp Resis Temp Resis 167862 42664 13052 4649 1878 161791 41332 12698 4538 1839 155965 40047 12354 4431 1800 150368 38805 12021 4326 1763 144994...
  • Page 97 TROUBLESHOOTING Figure 720 Check Thermistors -Resistance Table of Thermistors (50K) (Compressor Discharge Sensor) Temp Resis Temp Resis Temp Resis Temp Resis Temp Resis...

  • Page 98: Wiring Diagrams

    WIRING DIAGRAMS Figure 801...

  • Page 99: Parts Catalog

    Items with a - in front of the item number (for example -10), are non illustrated items. Items with an * in front of the number (for example *10) are non-stocked items. If you require these items contact Friedrich customer...

  • Page 100: Pvh09K3Fa, Pvh09K3Fb, Pvh09R3Fa, Pvh09R3Fb Pvh12K3Fa, Pvh12K3Fb, Pvh12R3Fa, Pvh12R3Fb

    PARTS CATALOG Figure 901 PVH09K3FA, PVH09K3FB, PVH09R3FA, PVH09R3FB PVH12K3FA, PVH12K3FB, PVH12R3FA, PVH12R3FB 46.1...
  • Page 101 PARTS CATALOG Figure 901 PVH09K3FA, PVH09K3FB, PVH09R3FA, PVH09R3FB PVH12K3FA, PVH12K3FB, PVH12R3FA, PVH12R3FB ITEM PART PART DESCRIPTION USED ON MODEL NUMBER 67808000 FRONT GRILL 67808001 PANEL COVER 67812115 ELECTRICAL BOX COVER 67808003 INDOOR MOTOR MOUNT 67808004 INDOOR MOTOR CAPACITOR 450V PVH09K3FA, PVH09K3FB, PVH09R3FA, PVH12K3FA, 1.5UF PVH12K3FB 67812190...
  • Page 102 PARTS CATALOG Figure 901 PVH09K3FA, PVH09K3FB, PVH09R3FA, PVH09R3FB PVH12K3FA, PVH12K3FB, PVH12R3FA, PVH12R3FB ITEM PART PART DESCRIPTION USED ON MODEL NUMBER 67808015 SEAL BRACKET 67812124 BASE PAN PVH09K3FA, PVH09K3B, PVH09R3FA, PVH09R3B 67812162 BASE PAN PVH12K3FA, PVH12K3B, PVH12R3FA, PVH12R3B 67808030 TOP SUPPORT BRACKET 67812185 CLAPBOARD PVH09K3FA, PVH09K3FB, PVH12K3FA, PVH12K3FB...
  • Page 103 PARTS CATALOG Figure 901 PVH09K3FA, PVH09K3FB, PVH09R3FA, PVH09R3FB PVH12K3FA, PVH12K3FB, PVH12R3FA, PVH12R3FB ITEM PART PART DESCRIPTION USED ON MODEL NUMBER 67812136 FRESH AIR MOTOR PVH09K3FA, PVH09K3FB, PVH12K3FA, PVH12K3FB 67812195 FRESH AIR MOTOR PVH09R3FA, PVH09R3FB, , PVH12R3FA, PVH12R3FB 67808055 FAN SHROUD TOP 67812137 FRESH AIR HOUSING 67812138...
  • Page 104 PARTS CATALOG Figure 901 PVH09K3FA, PVH09K3FB, PVH09R3FA, PVH09R3FB PVH12K3FA, PVH12K3FB, PVH12R3FA, PVH12R3FB ITEM PART PART DESCRIPTION USED ON MODEL NUMBER 67812117 POWER CORD CONNECTOR PVH09R3FA 67812091 DISPLAY PCB 67812156 ISOLATION PADS 67812089 SADDLE CLIP 67812157 NOISE BLANKET CAP 67812158 NOISE BLANKET 67812159 DISPLAY ESCUTCHEON -ITEMS ARE NON- ILLUSTRATED...

  • Page 105: Accessories

    SLEEVE EXTENSION RETROFIT KIT Galvanized zinc coated steel, 2.4" sleeve PXSE extension attached to the room side of the sleeve to allow for the installation of a PD-Series Friedrich PTAC in a T-Series sleeve. DECORATIVE SUBBASE Provides unit support for walls less than six inches PXSBA thick.
  • Page 106 ACCESSORIES New Construction Accessories LATERAL DUCT ADAPTER Attaches to the Friedrich PTAC/PTHP unit to direct PDXDAA up to 35% of the total airflow to a second room. The unit mounted duct plenum features a front mounted aluminum grille that has two positions to provide the most optimal air direction.

  • Page 107: Appendix

    Service Manual Appendix: APPENDIX Appendix 1: Reference Sheet of Celsius and Fahrenheit Reference Sheet of Celsius and Fahrenheit Conversion formula for Fahrenheit degree and Celsius degree: Tf=Tcx1.8+32 Set temperature Fahrenheit Fahrenheit Fahrenheit display Fahrenheit display Fahrenheit Celsius display Fahrenheit Celsius Celsius(°C) temperature (°F)

  • Page 108: Warranty

    Friedrich Air Conditioning Company - International Division. Any defective part to be replaced must be made available to FRIEDRICH in exchange for the replacement part. Reasonable proof must be presented to be new or remanufactured. Replacement parts and labor are only warranted for any unused portion of the unit’s warranty.

  • Page 109: Friedrich Authorized Parts Depots

    CUSTOMER SATISFACTION and QUALITY ASSURANCE Friedrich is a conscientious manufacturer, concerned about customer satisfaction, product quality, and controlling warranty costs. As an Authorized Service Provider you play a vital role in these areas. By adhering to the policies and procedures you provide us with vital information on each warranty repair you complete. This information is used to identify product failure trends, initiate corrective action, and improve product quality, thereby further reducing warranty expenses while increasing customer satisfaction levels.

This manual is also suitable for:

Freshaire pvh09k3fbFreshaire pvh09r3faFreshaire pvh09r3fbFreshaire pvh12k3faFreshaire pvh12k3fbFreshaire pvh12r3fa ... Show all

Table of Contents

Save PDF