Trane Precedent WSK036 Series Installation, Operation And Maintenance Manual
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Trane Precedent WSK036 Series Installation, Operation And Maintenance Manual

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Installation, Operation, and Maintenance
Precedent™ Packaged Rooftop
Units
Heat Pump
Standard and High Efficiency
3 to 25 Tons — 60 Hz
Model Numbers:
WSK036* - WSK300*
WHK036* - WHK300*
DSK036* - DSK300*
DHK036* - DHK300*
Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning equipment
can be hazardous and requires specific knowledge and training. Improperly installed, adjusted or altered equipment by an unqualified person could result in death or
serious injury. When working on the equipment, observe all precautions in the literature and on the tags, stickers, and labels that are attached to the equipment.
August 2024
SAFETY WARNING
PKGP-SVX015A-EN

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  • Page 1 Installation, Operation, and Maintenance Precedent™ Packaged Rooftop Units Heat Pump Standard and High Efficiency 3 to 25 Tons — 60 Hz Model Numbers: WSK036* - WSK300* WHK036* - WHK300* DSK036* - DSK300* DHK036* - DHK300* SAFETY WARNING Only qualified personnel should install and service the equipment. The installation, starting up, and servicing of heating, ventilating, and air-conditioning equipment can be hazardous and requires specific knowledge and training.
  • Page 2 (HCFCs). Not all refrigerants containing these compounds bump cap, fall protection, electrical PPE and arc have the same potential impact to the environment. Trane flash clothing). ALWAYS refer to appropriate advocates the responsible handling of all refrigerants.
  • Page 3 Follow EHS Policies! This document and the information in it are the property of Trane, and may not be used or reproduced in whole or in Failure to follow instructions below could result in part without written permission. Trane reserves the right to death or serious injury.

  • Page 4: Table Of Contents

    Table of Contents Model Number Description ....6 Smoke Detector Sensor (Optional) ..12 Phase Monitor .
  • Page 5 Table of Contents Conversion to Horizontal — 6 Ton High Sequence of Operation ....68 Modulating Gas Heat D(S/H) Heat Pump Heating Lockout Setpoint..68 K072***BH and 7.5 to 12 Ton All Ignition Module –...

  • Page 6: Model Number Description

    Model Number Description Digit 1 — Unit Function Digit 18 — Through-the-Base Provisions Digit 12, 13 — Service Sequence W = Packaged Heat Pump ** = Factory Assigned 0 = No Through-the-Base Provisions D = Dual Fuel Heat Pump A = Through-the-Base Electric B = Through-the-Base Gas Piping Digit 14 —...
  • Page 7 Model Number Description Digit 25— System Monitoring Controls 0 = No Monitoring Control 1 = Clogged Filter Switch 2 = Condensate Overflow Switch 3 = Discharge Air Sensing Tube 4 = Clogged Filter Switch and Condensate Overflow Switch 5 = Clogged Filter Switch and Discharge Air Sensing Tube 6 = Condensate Overflow Switch and Discharge Air Sensing Tube...

  • Page 8: General Information

    General Information Unit Inspection Note: Do not use the unit heater for temporary heat without first completing the start-up. To protect against loss due to damage incurred in transit, The manufacturer will not assume any responsibility for perform inspection immediately upon receipt of the unit. equipment damage resulting from condensate Check carefully for shipping damage.

  • Page 9: Compressor Nameplate

    General Information Compressor Nameplate 5-Tap Direct Drive Indoor Fan 3 to 5 ton standard efficiency units are equipped with a 5 The nameplate for the compressors are located on the side speed tap indoor motor. The indoor fan motor is factory of the compressor.

  • Page 10: Low Pressure Control (Lpc)

    General Information Low Pressure Control (LPC) It may be necessary to replace permanent filters annually if washing fails to clean the filter. Use the same type and size When the LPC is opened for 1 continuous second, the as originally installed. compressors for that circuit is turned OFF.

  • Page 11: Wall Mounted Relative Humidity Sensor (Baysens036*)

    (2-speed) indoor fan control and staged This sensor features remote zone sensing and timed compressor control. This drastically reduces override with override cancellation. It is used with a Trane the energy savings available with this design. Integrated Comfort™ building management system.

  • Page 12: Digital Display Zone Sensor

    General Information Smoke Detector Sensor The supply air duct sensor (X13100040020) is set to open at 240ºF. The control can be reset after the temperature (Optional) has been lowered approximately 25ºF below the cutout setpoint. This sensor provides high limit shutdown of the unit and requires a manual reset.

  • Page 13: Phase Monitor

    General Information Phase Monitor – The power supply circuit is not balanced with the proper phase sequence of L1, L2, L3 for the 3 This sensor monitors voltage between the 3 conductors of conductors of a 3 phase circuit. the 3 phase power supply. Two LED lights are provided: –...

  • Page 14: Pre-Installation

    Pre-Installation WARNING Fiberglass Wool! Exposure to glass wool fibers without all necessary PPE equipment could result in cancer, respiratory, skin or eye irritation, which could result in death or serious injury. Disturbing the insulation in this product during installation, maintenance or repair will expose you to airborne particles of glass wool fibers and ceramic fibers known to the state of California to cause cancer through inhalation.

  • Page 15: Dimensions And Weights

    4, 5, 6 WSK, DSK WHK, DHK 12.5 17.5 Note: Equipment feature availability is dependent on unit configuration. For more information, see Trane® Select Assist™ or contact product support. Dimensional Data Figure 3. A.0 cabinet TOP PANEL CONTROL PANEL ACCESS...
  • Page 16 Dimensions and Weights Figure 4. A.0 cabinet – downflow airflow supply/return, through-the-base utilities 3 5/8” 9 1/4” 14” 15 1/2” 92 MM 356 MM 235 MM 394 MM 4” 102 MM SUPPLY 18” 457 MM RETURN 24” 610 MM THROUGH THE BASE CONDENSATE 27 9/16”...
  • Page 17 Dimensions and Weights Figure 6. A.0 cabinet – unit clearance and roof opening CLEARANCE HORIZONTAL FLOW - 18” (457 MM) CLEARANCE 36” (914 MM) DOWNFLOW 36” (914 MM) TYPICAL ROOF OPENING CLEARANCE FROM TOP OF UNIT 72” 40” 37” 68 3/16” 1016 MM 940 MM 1732 MM...
  • Page 18 Dimensions and Weights Figure 8. A.0 cabinet – downflow duct connections, field fabricated 14 1/16” (357 MM) 24 3/8” 16 3/16” (619 MM) (411 MM) 17 1/16” (433 MM) ALL FLANGES 1 1/4” (32 MM) 14” (356 MM) Figure 9. A.0 cabinet – swing diameter for hinged door(s) option 17-5/8"...
  • Page 19 Dimensions and Weights Figure 10. B.0 cabinet TOP PANEL CONTROL PANEL ACCESS CONDENSER FAN EVAPORATOR SECTION ACCESS PANEL 50-7/8" [1293] ALTERNATE CONDENSATE CONNECTION 3/4 - 14 NPT DIA. HOLE 27-5/8" [700] 47-7/8" [1217] UNIT CONTROL WIRE 88-1/8" 2" (50 MM) DIA. HOLE [2238] SERVICE GAUGE PORT ACCESS 1-3/8"...
  • Page 20 Dimensions and Weights Figure 12. B.0 cabinet – horizontal airflow supply/return 3-7/4" [97] 9-3/8" [237] 16-3/4" 32-1/4" [426] [820] 19-1/4" [490] 32-1/4" [820] 27-5/8" [700] 3/4 -14 NPT DIA. HOLE CONDENSATE DRAIN 4-1/4" [109] Figure 13. B.0 cabinet – unit clearance and roof opening CLEARANCE HORIZONTAL FLOW - 18”...
  • Page 21 Dimensions and Weights Figure 14. B.0 cabinet – roof curb 46 3/8” 18 1/4” 1178 MM 1” 470 MM 34 3/8” 25 MM 6 5/8” 873 MM 168 MM 80 1/2” 18 1/2” 14” 2045 MM 470 MM 355 MM 1”...
  • Page 22 Dimensions and Weights Figure 16. B.0 cabinet – swing diameter for hinged door(s) option 17” 432 MM 21 3/8” 543 MM Through-the-Base Gas Piping 34 5/8” 879 MM Figure 17. C.0 cabinet INDOOR TOP PANEL CONTROL BOX SECTION ACCESS PANEL OUTDOOR TOP PANEL EVAPORATOR SECTION 50-7/8"...
  • Page 23 Dimensions and Weights Figure 18. C.0 cabinet – downflow airflow supply/return, through-the-base utilities 3 5/8” 92 MM 9 7/8” 251 MM 17 1/2” 17 1/2” 444 MM 444 MM 4” 102 MM SUPPLY RETURN 33” 32 1/8” 838 MM 816 MM THROUGH THE BASE ELECTRICAL THROUGH THE...
  • Page 24 Dimensions and Weights Figure 20. C.0 cabinet – unit clearance and roof opening CLEARANCE HORIZONTAL FLOW - 18” (457 MM) CLEARANCE 36” (914 MM) DOWNFLOW 36” (914 MM) TYPICAL ROOF OPENING CLEARANCE FROM TOP OF UNIT 72” 46” 46” 99 11/16” 1168 MM 1168 MM 2532 MM...
  • Page 25 Dimensions and Weights Figure 22. C.0 cabinet – swing diameter for hinged door(s) option 11" [279] 17-3/8" 21-3/4" [443] [554] 35" [890] Figure 23. A.0, B.0, and C.0 cabinets – standard economizer, manual or motorized fresh air damper ECONOMIZER HOOD BAROMETRIC RELIEF HOOD PKGP-SVX015A-EN...
  • Page 26 Dimensions and Weights Dimension Cabinet inch inch inch inch 6 7/8 9 1/8 12 1/2 6 1/4 B.0 and C.0 7 3/4 16 3/4 7 1/4 Figure 24. A.0, B.0, and C.0 cabinet – powered exhaust with standard economizer ECONOMIZER HOOD POWER EXHAUST...
  • Page 27 Dimensions and Weights Figure 25. A.0, B.0, and C.0 cabinet – powered exhaust with low leak economizer ECONOMIZER HOOD POWER EXHAUST Dimension Cabinet inch inch inch inch 2 1/2 19 3/4 B.0 and C.0 2 1/2 19 3/4 29 1/4 33 1/2 PKGP-SVX015A-EN...
  • Page 28 Dimensions and Weights Figure 26. D.0 and D.1 cabinets GAS CONNECTION 3/4 NPT (250, 320, 400 MBh) INDOOR TOP PANEL CONTROL BOX SECTION ACCESS PANEL 2" ELECTRICAL CONN SINGLE POINT OUTDOOR TOP PANEL POWER "T" MODELS ONLY EVAPORATOR SECTION ACCESS PANEL CONDENSATE DRAIN 59'' D.0 CAB OR [1499]...
  • Page 29 Dimensions and Weights Figure 28. D.0 and D.1 cabinets – horizontal airflow supply/return 5 1/4'' [133] RETURN 46 1/2'' 20 '' [1181] [508] 23 11/16'' [603] 26 3/4'' [679] 22 3/8'' [570] 29'' [737] [153] 4 9/16'' [114] 25 1/2'' [648] 7 15/16'' [202]...
  • Page 30 Dimensions and Weights Figure 30. D.0 and D.1 cabinets – roof curb 116 7/8” 1” 2969 MM 25 MM 1 13/16” 1” 46 MM 25 MM 1 1/2” (38 MM) PERIMETER 22 1/4” CURB FLANGE 565 MM 23 1/4” 1” 591 MM 25 MM 28 9/16”...

  • Page 31: Clearances

    Dimensions and Weights Figure 32. D.0 and D.1 cabinets – power exhaust 22.7 21.4 Figure 33. Gas pipe height Note: Height of gas pipe required from inside unit base to gas shut off assembly (factory provided). Dimension A Cabinet inch A.0, B.0, and C.0 4 5/8 D.0 and D.1...

  • Page 32: Weights

    Dimensions and Weights Figure 34. Typical installation clearances for single and multiple unit applications Side by Side End to End Note 1 Note 1, 2 6’0” 1829 MM 7’0” 2134 MM Notes: 1. When equipped with economizer or barometric relief damper, clearance distance is to be measured from 3’0”...
  • Page 33 Dimensions and Weights Table 3. Model weights, corner weights (lbs), and center of gravity dimensions (in.) — heat pump (continued) Model Weights Corner Weights Center of Gravity (in.) Tons Unit Model No. Shipping Length Width WHK090 1026 WHK102 1047 WHK120 1433 1239 12.5...
  • Page 34 Dimensions and Weights Figure 35. Corner weights Center of Gravity Length Center of Gravity Width Center of Gravity Table 5. Factory installed options (FIOPS)/accessory net weights (lb) Standard Efficiency High Efficiency Accessory W/DSK036- W/DSK072- W/DSK150- W/DSK240- W/DHK036- W/DHK150- W/DHK240- W/DSK120 W/DHK120 Barometric Relief Economizer...

  • Page 35: Lifting And Rigging

    Dimensions and Weights Lifting and Rigging Figure 37. Rigging and center of gravity — D.0 and D.1 cabinets WARNING Heavy Object! Failure to follow instructions below could result in unit dropping which could result in death or serious injury, and equipment or property-only damage. Ensure that all the lifting equipment used is properly rated for the weight of the unit being lifted.

  • Page 36: A2L Information

    • To be repaired only by trained service At all times, Trane’s maintenance and service guidelines shall be followed. If in doubt, contact Trane technical personnel. support for assistance. • Do not puncture refrigerant tubing.

  • Page 37: Leak Detection

    Verify continuity of earth bonding. The recovery equipment shall be in good working order • Replace electrical components with Trane replacement with instructions available. Equipment shall be suitable for parts, or those meeting the same ratings and qualified the recovery of the flammable refrigerant. For specific for flame arrest protection, UL LZGH2 category.

  • Page 38: Decommissioning

    A2L Information • Ensure that the refrigerating system is earthed prior to the equipment are removed from site promptly and all charging the system with refrigerant. isolation valves on the equipment are closed off. • Label the system when charging is complete (if not 11.

  • Page 39: Minimum Room Area Limits

    A2L Information Minimum Room Area Limits unless the smallest room it serves is larger than the adjusted A threshold. This product contains a leak (Refrigerant charge greater than 3.91 lb detection system if a circuit charge is greater than 3.91 per circuit) lbs.

  • Page 40: Leak Detection System

    A2L Information For institutional occupancies, ASHRAE Standard 15 doors between rooms (including gaps between the wall and applies an additional adjustment factor F to the amount the floor), can be considered part of the same room if the of a charge allowed in a space. To calculate the adjusted openings meet the following criteria.

  • Page 41: Installation

    Installation WARNING unit operating weights. If anchoring is required, anchor the unit to the roof with hold-down bolts or isolators. Heavy Object! Check with a roofing contractor for proper waterproofing Failure to follow instructions below could result in procedures. unit dropping which could result in death or serious injury, and equipment or property-only damage.
  • Page 42 Installation Figure 40. C.0 cabinet – horizontal airflow, supply and return 3 7/8” 98 MM 9 3/8” 238 MM RETURN 32 1/4” 832 MM 16 3/4” 425 MM SUPPLY 19 1/4” 489 MM 32 1/4” 4 3/4” 832 MM 120 MM 27 5/8”...
  • Page 43 Installation Elbows with turning vanes or splitters are recommended to To allow access for fan and fresh air option servicing, do minimize air noise due to turbulence and to reduce static not attach ductwork over panel above the supply opening. pressure.
  • Page 44 Installation Figure 44. C.0 cabinet – downflow airflow supply/return, through-the-base utilities 3 5/8” 92 MM 9 7/8” 251 MM 17 1/2” 17 1/2” 444 MM 444 MM 4” 102 MM SUPPLY RETURN 33” 32 1/8” 838 MM 816 MM THROUGH THE BASE ELECTRICAL THROUGH THE 2 3/4”...

  • Page 45: Roof Curb

    Installation Roof Curb Note: C.0 units can be installed on B.0 (50 in. x 84 in.) roof curbs with the use of factory-installed base Downflow alignment brackets. These brackets create a 10-inch overhang on the front of the unit. See for installation The roof curbs for these units consists of a full perimeter on the B.0 (50 in.

  • Page 46: Rigging

    Installation Rigging Figure 48. Fork pockets — A.0 and B.0 cabinets WARNING Remove Two Heavy Object! Fork Lift Failure to follow instructions below could result in Brackets unit dropping which could result in death or serious injury, and equipment or property-only damage. Ensure that all the lifting equipment used is properly rated for the weight of the unit being lifted.

  • Page 47: General Unit Requirements

    Installation General Unit Requirements Figure 51. Discard cover plate The following checklist is a summary of the steps required to successfully install a commercial unit. Installers should use this checklist to validate what is required in the installation process. It does not replace the detailed instructions called out in the applicable sections of this manual.

  • Page 48: Horizontal Discharge Conversion

    Installation Horizontal Discharge Figure 53. Vent hood installation Conversion (B.0 and C.0 Cabinet Units) Note: B.0 and C.0 cabinet units move the supply cover to return opening and return cover to supply opening. Supplies needed by installer for conversion: 3 ounce tube of high temperature RTV sealant (500°F / 260°C, similar to Dow Corning 736).

  • Page 49: Horizontal Discharge Conversion

    Installation Notes: 2. Slide the vertical slide bracket down to expose the holes in the vertical tube. See Figure 58, p. Figure • If unit is equipped with Return Air Smoke 59, p. 49, and Figure 60, p. Detector, refer to field conversion instructions for horizontal discharge before installing 3.

  • Page 50: Conversion To Horizontal - 6 Ton High

    Installation Figure 60. Detail view of DAS tubing after converting Figure 62. DAS tubing detail view (downflow) to horizontal Vertical slide bracket covers holes in tubing Slide bracket down to open hole in vertical tube Vertical slide bracket - new position 1.

  • Page 51: Tco1 Instructions

    Installation Figure 64. DAS tubing after conversion to horizontal Figure 66. TCO1 instructions – A.0 cabinet Vertical slide bracket - new position 90 degree elbow installation location Pickup tube - new poisition Factory installed Additional TCO1 limit TCO1 limit switch switchto be used for horizontal discharge field conversion...

  • Page 52: Return Air Smoke Detector

    Installation Figure 68. TCO1 instructions – D.0/D.1 cabinet 3. Lift the tube and bracket from the downflow duct opening. Rotate the tube and bracket assembly 180° ensuring that the holes on the sensing tube face away from the unit and face the return air ductwork. Notes: •...

  • Page 53: Air-Fi® Wireless Communication

    Installation Figure 71. Downflow bracket installation (view from Figure 73. Horizontal bracket installation (view horizontal return duct) from horizontal return duct) 5. Use the remaining two screws and bracket removed in 3. Lift the tube and bracket from the downflow duct Step 2, secure the bottom bracket.

  • Page 54: Main Electrical Power Requirements

    Install Trane or others, refer to the appropriate color-coded, weather-proof, multi-wire cable according to manufacturer’s literature for allowable waiting periods the field wiring instructions.
  • Page 55 Installation cap from the base pan opening. See Figure 76, p. 55 Table 10. Through-the-base gas pipe assembly components for A.0, B.0 and C.0 cabinets Figure 77, p. 3. Route field piping through this hole to the dimension Connection Size shown in Table 9, p.

  • Page 56: Requirements Of Gas Heat

    Installation Table 11. Through-the-base gas pipe assembly for reducing regulator is recommended to prevent this D.0 and D.1 cabinets (continued) maximum from being exceeded. These components must be isolated during field gas piping test that exceed 0.50 Component Description PSIG. Pipe Union Important: It is recommended that the field piping be capped prior to the unit gas train or optional...

  • Page 57: Condensate Drain Configuration

    Installation Figure 80. Vertical tube hole(s) location Figure 81. Schematic diagram for field gas piping to units Vertical DAS tube Vertical slide bracket positioned to block hole(s) Hole or holes located here Condensate Drain Configuration WARNING Hazardous Voltage! Failure to disconnect power before servicing could result in death or serious injury.

  • Page 58: Drain Pan Removal

    Installation 5. Remove the plug knockout in the bottom of the Note: When reversing the drain pan on some units, the drainpan to convert it to through the base drainage. condensate overflow switch will need to be moved to the second hole in its bracket to avoid contact with 6.

  • Page 59: Field Installed Power Wiring

    Installation Field Installed Power Wiring WARNING Hazardous Voltage! WARNING Failure to disconnect power before servicing could Proper Field Wiring and Grounding result in death or serious injury. Required! Disconnect all electric power, including remote Failure to follow code could result in death or serious disconnects before servicing.

  • Page 60: Field-Installed Control Wiring

    Installation WARNING be terminated in the control box at main panel power terminal block (HTB1). Proper Field Wiring and Grounding NOTICE Required! Equipment Damage! Failure to follow code could result in death or serious injury. Failure to follow instructions below could result in equipment damage.

  • Page 61: Controls Using Dc Analog Input/Outputs

    Installation NOTICE Figure 86. Low voltage wiring — D cabinet Component Failure! Resistance in excess of two and a half (2.5) ohms per conductor could result in component failure due to insufficient AC voltage supply. Do not exceed two and a half (2.5) ohms per conductor for the length of the run.

  • Page 62: Dc Conductors

    Installation • Table 18, p. 62 lists the conductor sizing guidelines that Table 18. Zone sensor module wiring (continued) must be followed when interconnecting the DC binary Distance from Unit to Control Recommended Wire Size output devices and the system components utilizing a DC analog input/output signal to the unit.
  • Page 63 Installation Figure 88. Examples Table 19. Temperature vs. resistance Table 19. Temperature vs. resistance (continued) Temperature Temperature Nominal Resistance Nominal Resistance (kOhms) (kOhms) Degrees °F Degrees °C Degrees °F Degrees °C -28.9 170.1 -3.8 40.40 -26.1 143.5 -1.1 34.85 -23.3 121.4 30.18 -20.6...
  • Page 64 Installation Table 19. Temperature vs. resistance (continued) Table 19. Temperature vs. resistance (continued) Temperature Temperature Nominal Resistance Nominal Resistance (kOhms) (kOhms) Degrees °F Degrees °C Degrees °F Degrees °C 21.1 11.89 29.4 8.247 23.9 10.50 32.2 7.330 26.7 9.297 35.0 6.528 PKGP-SVX015A-EN...

  • Page 65: Pre-Start

    Pre-Start NOTICE Use the checklist provided below in conjunction with the General Unit Requirements checklist to confirm the unit is Equipment Damage! properly installed and ready for operation. Failure to properly set circuit breaker dial could WARNING result in equipment damage. For units with circuit breaker overload protection, Hazardous Voltage w/Capacitors! set adjustable dial (Ir/A) to the MOP value on the...

  • Page 66: Electrical Phasing

    Pre-Start WARNING as a 20 percent current imbalance with a resulting increase in motor winding temperatures that will Live Electrical Components! decrease motor life. Failure to follow all electrical safety precautions when If the voltage imbalance is over 2 percent, notify the exposed to live electrical components could result in proper agencies to correct the voltage problem before death or serious injury.

  • Page 67: Symbio Controls

    Pre-Start Symbio Controls WARNING Live Electrical Components! The Symbio™ 700 supports a Service Test Mode that can be used to energize the various components of the system, Failure to follow all electrical safety precautions when either to support general system startup tasks or to support exposed to live electrical components could result in troubleshooting.

  • Page 68: Unit Start-Up

    Unit Start-Up Sequence of Operation When the zone thermostat is satisfied, the (IGN) de- energizes the gas valve. The (IGN) senses loss of flame. See Application Guide, Symbio™ 700 Controller with The (IGN) initiates a 5 second inducer blower post purge. Precedent™...

  • Page 69: Ignition And Operational Failures

    Unit Start-Up 3. The modulating actuator is moved to the ignition below 1.5 Vdc (0.5% ModBus firing rate) signal. position during this time. 16. When call for heat is removed, 1 stage gas valve 4. At the end of the pre-purge period, the ignition source is closes and modulating actuator is moved to Park activated, and the main gas valve opens allowing gas position, and the inducer is operated for a post purge...

  • Page 70: Return Air Smoke Detector

    Unit Start-Up Table 21. Lockout codes (continued) Display Code Code Type Description Additional Comments and Notes H H E E A A Status UP Mode: Burner state = Warm up r r u u n n Status UP Mode: Burner state = Run r r E E t t Status UP Mode: Burner state = Retry (with A A 0 0 1 1 or A A 0 0 2 2 )

  • Page 71: Compressor Start-Up

    Unit Start-Up Compressor Start-Up supply temperature rises above cooling mode supply air temperature rises. WARNING 3. Monitor the suction pressure for 15 minutes. The Live Electrical Components! suction pressure should remain within 5 psi of normal cooling operation. Failure to follow all electrical safety precautions when exposed to live electrical components could result in 4.

  • Page 72: Maintenance

    Maintenance WARNING these checks and procedures, refer to the appropriate section(s) of the smoke detector Installation and Hazardous Service Procedures! Maintenance Instructions provided with the literature Failure to follow all precautions in this manual and on package for this unit. the tags, stickers, and labels could result in death or Condensate Overflow Switch serious injury.

  • Page 73: Coil Cleaning

    Maintenance ☐ Check supply fan motor bearings and repair or replace 4. Mix the detergent with water according to the the motor as necessary. manufacturer’s instructions. If desired, heat the solution to 150° F maximum to improve its cleansing capability. ☐...

  • Page 74: Final Process

    Maintenance Hot Gas Reheat Additional Oil 1. Measure the amount of oil removed during servicing. 2. When recharging the unit after servicing, replace the NOTICE amount of oil removed. Verify oil added is the correct Compressor Damage! type. Use of incorrect refrigerant and oil could result in 3.

  • Page 75: Wiring Diagrams

    Wiring Diagrams Note: Wiring diagrams can be accessed using e-Library by number search field or by contacting technical entering the diagram number in the literature order support. Table 24. Wiring diagrams Schematic Type Voltage Description Controls Schematic SCHEMATIC; SHEET 1, POWER, SINGLE Symbio 700 Main Unit...
  • Page 76 Wiring Diagrams Table 24. Wiring diagrams (continued) Schematic Type Voltage Description Controls Schematic SCHEMATIC; SHEET 1, POWER, DUAL Symbio 700 Main Unit 12134548 COMPRESSOR, WSHP, STD SCCR SCHEMATIC; SHEET 1, POWER, DUAL Symbio 700 Main Unit 12134549 COMPRESSOR, WSHP, HIGH SCCR SCHEMATIC;...
  • Page 77 Wiring Diagrams Table 24. Wiring diagrams (continued) Schematic Type Voltage Description Controls Schematic SCHEMATIC; SHEET 2, POWER, SINGLE INDOOR Symbio 700 Main Unit 230V 12134922 FAN, 2-STAGE GAS HEAT, 230V, STD SCCR SCHEMATIC; SHEET 2, POWER, SINGLE INDOOR Symbio 700 Main Unit 460V/575V 12134941...
  • Page 78 Wiring Diagrams Table 24. Wiring diagrams (continued) Schematic Type Voltage Description Controls Schematic SCHEMATIC; SHEET 2, POWER, DUAL INDOOR Symbio 700 Main Unit 460V/575V 12134832 FAN, 2-STAGE GAS HEAT, 460V/575V, HIGH SCCR SCHEMATIC; SHEET 2, POWER, DUAL INDOOR Symbio 700 Main Unit 230V 12134833...
  • Page 79 Wiring Diagrams Table 24. Wiring diagrams (continued) Schematic Type Voltage Description Controls Schematic SCHEMATIC; SHEET 4, CONTROLS, ADAPTER BOARD UNIT CONTROLS, Symbio 700 Main Unit 12134963 DUAL COMPRESSOR, SINGLE FAN, VS OUTDOOR FAN SCHEMATIC; SHEET 5, Symbio 700 Main Unit 12134445 CONTROLS, INDOOR OPTIONS...
  • Page 80 Wiring Diagrams Table 24. Wiring diagrams (continued) Schematic Type Voltage Description Controls Schematic SCHEMATIC/COMPONENT Symbio 700 Electric Heat 460V/575V 12134311 LOCATION - ELECTRIC HEAT - 36 KW 460V/575V SCHEMATIC/COMPONENT LOCATION - ELECTRIC Symbio 700 Electric Heat 460V/575V 12134312 HEAT - 54 & 72 KW 460V/ 575V LABEL;...
  • Page 81 Wiring Diagrams Table 24. Wiring diagrams (continued) Schematic Type Voltage Description Controls Schematic LABEL; DIAGRAM, LOW Supplimental Symbio 700 12134352 AMBIENT DIAGRAM; SCHEMATIC - Supplimental Symbio 700 CONVENIENCE OUTLET 12134461 OPTION LABEL; FUSE Supplimental Symbio 700 X39004319001 REPLACEMENT, CONVENIENCE OUTLET PKGP-SVX015A-EN...

  • Page 82: Piping Diagrams

    Piping Diagrams Figure 90. Piping diagram – cooling mode, 3 to 5 tons standard efficiency (W/DSK036–060) OUTDOOR TXV INDOOR TXV PKGP-SVX015A-EN...
  • Page 83 Piping Diagrams Figure 91. Piping diagram – heating mode, 3 to 5 tons standard efficiency (W/DSK036–060) OUTDOOR TXV INDOOR TXV PKGP-SVX015A-EN...
  • Page 84 Piping Diagrams Figure 92. Piping diagram – cooling with HGRH mode, 3 to 5 tons standard efficiency (W/DSK036–060) OUTDOOR TXV INDOOR TXV PKGP-SVX015A-EN...
  • Page 85 Piping Diagrams Figure 93. Piping diagram – cooling mode, 3 to 5 tons high efficiency (W/DHK036-060) OUTDOOR TXV INDOOR TXV PKGP-SVX015A-EN...
  • Page 86 Piping Diagrams Figure 94. Piping diagram – heating mode, 3 to 5 tons high efficiency (W/DHK036-060) OUTDOOR TXV INDOOR TXV PKGP-SVX015A-EN...
  • Page 87 Piping Diagrams Figure 95. Piping diagram – cooling w/ HGRH mode, 3 to 5 tons high efficiency (W/DHK036-060) OUTDOOR TXV INDOOR TXV PKGP-SVX015A-EN...
  • Page 88 Piping Diagrams Figure 96. Piping diagram - cooling mode, 6 to 8.5 tons standard and high efficiency (W/D*K072-102) OUTDOOR TXV CHECK VALVE INDOOR TXV CHECK VALVE PKGP-SVX015A-EN...
  • Page 89 Piping Diagrams Figure 97. Piping diagram - heating mode, 6 to 8.5 tons standard and high efficiency (W/D*K072-102) OUTDOOR TXV CHECK VALVE INDOOR TXV CHECK VALVE PKGP-SVX015A-EN...
  • Page 90 Piping Diagrams Figure 98. Piping diagram - cooling with HGRH mode, 6 to 8.5 tons standard and high efficiency (W/D*K072-102) OUTDOOR TXV CHECK VALVE INDOOR TXV CHECK VALVE PKGP-SVX015A-EN...
  • Page 91 Piping Diagrams Figure 99. Piping diagram - cooling mode, 10 tons standard and high efficiency (W/D*K120) OUTDOOR TXV CHECK VALVE INDOOR TXV CHECK VALVE PKGP-SVX015A-EN...
  • Page 92 Piping Diagrams Figure 100. Piping diagram - heating mode, 10 tons standard and high efficiency (W/D*K120) EQUALIZING LINE EQUALIZING LINE PKGP-SVX015A-EN...
  • Page 93 Piping Diagrams Figure 101. Piping diagram - cooling with HGRH mode, 10 tons standard and high efficiency (W/DS*K120) OUTDOOR TXV CHECK VALVE INDOOR TXV CHECK VALVE PKGP-SVX015A-EN...
  • Page 94 Piping Diagrams Figure 102. Piping diagram – cooling mode, 12.5 to 17.5 tons standard and high efficiency (W/D*K150–180) OUTDOOR TXV CHECK VALVE INDOOR TXV CHECK VALVE PKGP-SVX015A-EN...
  • Page 95 Piping Diagrams Figure 103. Piping diagram – heating mode, 12.5 to 17.5 tons standard and high efficiency (W/D*K150–180) OUTDOOR TXV CHECK VALVE INDOOR TXV CHECK VALVE PKGP-SVX015A-EN...
  • Page 96 Piping Diagrams Figure 104. Piping diagram – cooling with HGRH mode, 12.5 to 17.5 tons standard and high efficiency (W/D*K150– 180) OUTDOOR TXV CHECK VALVE INDOOR TXV CHECK VALVE PKGP-SVX015A-EN...
  • Page 97 Piping Diagrams Figure 105. Piping diagram – cooling mode, 20 to 25 tons standard and high efficiency (W/D*K240–300) OUTDOOR TXV CHECK VALVE INDOOR TXV CHECK VALVE PKGP-SVX015A-EN...
  • Page 98 Piping Diagrams Figure 106. Piping diagram – heating mode, 20 to 25 tons standard and high efficiency (W/D*K240–300) OUTDOOR TXV CHECK VALVE INDOOR TXV CHECK VALVE PKGP-SVX015A-EN...
  • Page 99 Piping Diagrams Figure 107. Piping diagram – cooling with HGRH mode, 20 to 25 tons standard and high efficiency (W/D*K240–300) OUTDOOR TXV CHECK VALVE INDOOR TXV CHECK VALVE PKGP-SVX015A-EN...

  • Page 100: Gas Heat Operation And Maintenance

    Gas Heat Operation and Maintenance Gas Heat Unit General WARNING Information Safety Hazards! Failure to follow instructions below could result in WARNING death or serious injury. Hazard of Explosion or Fire! • Never perform any maintenance procedures until Failure to follow instructions could result in death or the electrical power to the unit is turned off.

  • Page 101: Safety Controls

    STOP and proceed with the instructions as or other energy storing components provided by per above Warning. If you do not smell gas, go to the Trane or others, refer to the appropriate next step. manufacturer’s literature for allowable waiting periods 8.

  • Page 102: Turning Off Gas To Unit

    Open windows and doors. equipment damage. • Alert others and evacuate building immediately. Drain and vent coils when not in use. Trane recommends glycol protection in all possible freezing • From a phone outside of the building, applications. Use a glycol approved for use with immediately call your gas supplier.

  • Page 103: Limited Warranty

    FACT, INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR PARTICULAR DHK) USE, AND IN NO EVENT SHALL WARRANTOR BE This warranty is extended by Trane to the original LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL purchaser and to any succeeding owner of the real DAMAGES.
  • Page 104 For more information, please visit trane.com or americanstandardair.com. Trane and American Standard have a policy of continuous product and product data improvement and reserve the right to change design and specifications without notice. We are committed to using environmentally conscious print practices.

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