Trane Technologies Axiom VSH Installation, Operation And Maintenance Manual

Trane Technologies Axiom VSH Installation, Operation And Maintenance Manual

Water source heat pump
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Installation, Operation, and Maintenance
Water Source Heat Pump
Axiom™ Variable Speed - VSH/VSV
24 to 60 MBtuh - 60 Hz
Model Numbers:
VSHE024
VSHE033
VSHE042
VSHE050
VSHE060
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.
March 2020
VSVE024
VSVE033
VSVE042
VSVE050
VSVE060
SAFETY WARNING
WSHP-SVX13G-EN

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Summary of Contents for Trane Technologies Axiom VSH

  • Page 1 Installation, Operation, and Maintenance Water Source Heat Pump Axiom™ Variable Speed - VSH/VSV 24 to 60 MBtuh - 60 Hz Model Numbers: VSHE024 VSVE024 VSHE033 VSVE033 VSHE042 VSVE042 VSHE050 VSVE050 VSHE060 VSVE060 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 Introduction Read this manual thoroughly before operating or servicing this unit. WARNING Proper Field Wiring and Grounding Warnings, Cautions, and Notices Required! Safety advisories appear throughout this manual as Failure to follow code could result in death or serious required. Your personal safety and the proper operation of injury.
  • Page 3 Introduction WARNING Follow EHS Policies! Failure to follow instructions below could result in death or serious injury. • All Trane personnel must follow the company’s Environmental, Health and Safety (EHS) policies when performing work such as hot work, electrical, fall protection, lockout/tagout, refrigerant handling, etc.
  • Page 4: Table Of Contents

    Table of Contents Model Number Descriptions Electrical Data ....6 ......36 General Information Variable-Speed WSHP Tracer®...
  • Page 5 Table of Contents Maintenance ......50 Preventive Maintenance ... . . 50 Condensate Trap .
  • Page 6: Model Number Descriptions

    Model Number Descriptions Digits 1-3 — Unit Configuration Digit 19 — Motor Type VSH = Variable Speed Horizontal = ECM VSV = Variable Speed Vertical Digit 4 — Development Sequence = R-410A Refrigerant Digit 5-7 — Nominal Capacity 024 = 24 MBtuh 033 = 33 MBtuh 042 = 42 MBtuh 050 = 50 MBtuh...
  • Page 7: General Information

    General Information Table 2. Refrigerant charge Model R-410A (ounces) Unit Description VSV024 VSV033 Before shipment, each unit is leak tested, dehydrated, VSV042 charged with refrigerant and run tested for proper control VSV050 operation. VSV060 Unit Nameplate VSH024 VSH033 The unit nameplate is located on the outside of the control VSH042 box access panel at the front of the unit.
  • Page 8: Pre-Installation

    Pre-Installation • Do not remove damaged material from the receiving location. Take photos of the damage, if possible. The owner must provide reasonable evidence that the damage did not occur after delivery. WARNING • Notify the carrier’s terminal of damage immediately by phone and by mail.
  • Page 9 Pre-Installation This unit is intended for indoor use only. To protect the unit from damage due to the elements, and to prevent possible IAQ contaminant sources from growing, the unit should be stored indoors. If indoor storage is not possible, the following provisions for outdoor storage must be met: •...
  • Page 10: Unit Dimensions

    Unit Dimensions Figure 1. Clearance dimensions 20" 20" 20" 20" 20" 20" 20" 20" 20" 20" 20" 20" UNIT FRONT UNIT FRONT UNIT FRONT UNIT FRONT 36" 36" 36" 36" RIGHT RETURN LEFT SUPPLY RIGHT RETURN BACK SUPPLY LEFT RETURN RIGHT SUPPLY LEFT RETURN BACK SUPPLY (a) Units in a free return application will require more than a 1-in.
  • Page 11 Unit Dimensions Figure 3. Left return/top supply VSV BLOWER ACCESS COMP/CONTROL ACCESS W.O. DRAIN HI VOLT 9 1/2” 12” 8 3/4” LO VOLT W.I. 3 5/8” 3 5/8” LEFT SIDE RIGHT SIDE FRONT Table 3. Dimensional data—left return/top supply VSV W.I.
  • Page 12 Unit Dimensions Figure 4. Left return/top supply VSV BLOWER ACCESS W.O. COMP/CONTROL ACCESS DRAIN HI VOLT 19” LO VOLT 10-5/8” 8 1/4” 4-5/8” 2 1/2” RIGHT SIDE LEFT SIDE FRONT W.I. Table 4. Dimensional data—left return/top supply VSV W.I. W.O. Drain Units NPTI...
  • Page 13 Unit Dimensions Figure 5. Left return/back supply VSV BLOWER ACCESS COMP/CONTROL ACCESS WCI mounting location W.O. DRAIN HI VOLT 12” 9 1/2” 8 3/4” W.I. LO VOLT 3 5/8” 3 5/8” LEFT SIDE FRONT RIGHT SIDE Table 5. Dimensional data—left return/back supply VSV W.I.
  • Page 14 Unit Dimensions Figure 6. Left return/back supply VSV BLOWER ACCESS W.O. COMP/CONTROL ACCESS DRAIN HI VOLT 19” LO VOLT 10-5/8” 8 1/4” 4-5/8” 2 1/2” RIGHT SIDE LEFT SIDE FRONT W.I. Table 6. Dimensional data—left return/back supply VSV W.I. W.O. Drain Units NPTI...
  • Page 15 Unit Dimensions Figure 7. Right return/top supply VSV BLOWER ACCESS COMP/CONTROL ACCESS W.O. DRAIN HI VOLT 9 1/2” 12” 8 3/4” LO VOLT W.I. 3 5/8” 3 5/8” RIGHT SIDE FRONT LEFT SIDE Table 7. Dimensional data—right return/top supply VSV W.I.
  • Page 16 Unit Dimensions Figure 8. Right return/top supply VSV BLOWER ACCESS W.O. COMP/CONTROL ACCESS DRAIN HI VOLT LO VOLT 10-5/8 8 1/4" 4-5/8 2 1/2" RIGHT SIDE LEFT SIDE FRONT W.I. Table 8. Dimensional data—right return/top supply VSV W.I. W.O. Drain Units NPTI NPTI...
  • Page 17 Unit Dimensions Figure 9. Right return/back supply VSV BLOWER ACCESS COMP/CONTROL ACCESS W.O. DRAIN HI VOLT 9 1/2” 12” 8 3/4” LO VOLT W.I. 3 5/8” 3 5/8” RIGHT SIDE LEFT SIDE FRONT Table 9. Dimensional data—right return/back supply VSV W.I.
  • Page 18 Unit Dimensions Figure 10. Right return/back supply VSV BLOWER ACCESS W.O. COMP/CONTROL ACCESS DRAIN HI VOLT 19” LO VOLT 10-5/8” 8 1/4" 4-5/8” 2 1/2" RIGHT SIDE LEFT SIDE FRONT W.I. Table 10. Dimensional data—right return/back supply VSV W.I. W.O. Drain Units NPTI...
  • Page 19 Unit Dimensions Figure 11. Left return/back supply VSH 21-1/4” 1-1/8” 1-1/8” 23-3/4” L(W.O.) REFRIG CONTROL ACCESS 18-7/8” HI VOLT M(W.I.) 10” LO VOLT 2-1/4” 1/2” 1-5/8” 4” DRAIN 3-1/2” 7/8” 2-1/2” 3/4" NPTI LEFT SIDE FRONT BACK F X G OPENING RIGHT SIDE BLOWER...
  • Page 20 Unit Dimensions Figure 12. Left return/right supply VSH 21-1/4” 1-1/8” 1-1/8” 23-3/4” L(W.O.) REFRIG BLOWER ACCESS CONTROL PANEL ACCESS 18-7/8” M(W.I.) HI VOLT 10” LO VOLT 2-1/4” 4” 1-5/8” 1/2” DRAIN 3-1/2” 2-1/2” 3/4" NPTI LEFT SIDE FRONT BACK F X G OPENING RIGHT SIDE 1-7/8”...
  • Page 21 Unit Dimensions Figure 13. Right return/back supply VSH 23-3/4” 1-1/8” 21-1/4” 1-1/8” L(W.O.) REFRIG F X G BLOWER OPENING CONTROL ACCESS ACCESS PANEL 18-7/8” HI VOLT M(W.I.) 1.875” 10” LO VOLT 2-1/4” 4” 1-5/8” 1/2” 3-1/2” DRAIN 7/8” 2-1/2” 3/4" NPTI LEFT SIDE FRONT BACK...
  • Page 22 Unit Dimensions Figure 14. Right return/left supply VSH 23-3/4” 1-1/8” 21-1/4” 1-1/8” F X G L(W.O.) OPENING REFRIG BLOWER ACCESS CONTROL PANEL ACCESS 18-7/8” HI VOLT 1-7/8” 10” LO VOLT 4” 2-1/4” 1-5/8” 1/2” 3-1/2” 7/8” 2-1/2” M(W.I.) BACK LEFT SIDE FRONT RIGHT SIDE Table 14.
  • Page 23: General Data

    General Data Figure 15. Horizontal supply/return air configuration The unit’s supply and return air configuration is built to order to meet unique installation requirements. The combinations include: 1. Left return air with back supply air 2. Left return air with right supply air UNIT UNIT FRONT...
  • Page 24 General Data Table 16. Air-to-refrigerant coil (continued) Model VSH* VSH*024 VSH*033 VSH*042 VSH*050 VSH*060 Tubes deep Number of circuits Finned volume (H, W, D: inches) 20 x 31.5 x 2.6 20 x 31.5 x 2.6 20 x 51 x 3.5 20 x 51 x 3.5 20 x 51 x 3.5 Coil surface area (ft...
  • Page 25 General Data Table 20. Water volume Model VSV* VSV*024 VSV*033 VSV*042 VSV*050 VSV*060 Internal water volume (in Internal water volume (ft 0.123 0.123 0.24 0.24 0.24 Internal water volume (gal) 0.918 0.918 1.792 1.792 1.792 WSHP-SVX13G-EN...
  • Page 26: Unit Fan Performance

    Unit Fan Performance Table 21. ECM fan performance Model External Static Pressure 0.05 0.15 0.25 0.040 0.050 0.060 0.070 0.080 0.090 0.099 0.042 0.053 0.064 0.074 0.085 0.095 0.105 VSH024 0.045 0.057 0.068 0.079 0.090 0.100 0.111 0.048 0.060 0.072 0.083 0.095 0.106...
  • Page 27 Unit Fan Performance Table 21. ECM fan performance (continued) Model External Static Pressure 0.35 0.45 0.55 1414 0.211 0.226 0.241 0.256 0.270 0.284 1485 0.232 0.248 0.264 0.279 0.294 0.309 VSH042 1579 0.262 0.279 0.296 0.312 0.328 0.344 1650 0.287 0.305 0.322 0.340...
  • Page 28 Unit Fan Performance Table 22. ECM fan performance Model External Static Pressure 0.05 0.15 0.25 0.070 0.079 0.090 0.101 0.114 0.127 0.140 VSV024 0.081 0.090 0.101 0.113 0.126 0.140 0.154 0.092 0.102 0.113 0.125 0.139 0.153 0.168 0.105 0.115 0.127 0.140 0.154 0.168...
  • Page 29 Unit Fan Performance Table 22. ECM fan performance (continued) Model External Static Pressure 0.05 0.15 0.25 1701 0.265 0.305 0.343 0.379 0.414 0.448 0.481 VSV050 1796 0.304 0.346 0.387 742t 0.426 0.463 0.500 0.535 1890 0.345 0.391 0.434 0.475 0.515 0.554 0.593 1985...
  • Page 30: Installation

    Installation WARNING Proper Field Wiring and Grounding General Installation Checks Required! The checklist below is a summary of the steps required to Failure to follow codes could result in death or serious successfully install a commercial unit. This checklist is injury.
  • Page 31: Return-Air Ductwork

    Installation accessory is typically used when the return air filter is Figure 17. Flexible supply-air connector (field provided) placed up stream of the unit or placed within a field provided filter rack assembly. Figure 19. Ducted panel Return-Air Ductwork The equipment factory ships with the filter rail and filter(s) installed for free return.
  • Page 32: Sound Attenuation Pad

    Installation Table 25. Ducted filter opening size Figure 21. Hanging the unit Unit VSV 024, 033 25.7-in. 22.4-in. 4.3-in. VSV 042, 050 30.7-in. 26.6-in. 5.5-in. VSV060 30.7-in. 40.2-in. 5.5-in. Sound Attenuation Pad RETURN-AIR SUPPLY-AIR For sound-sensitive installations, a vibration pad (field provided) should be placed beneath the vertical unit.
  • Page 33: Supply/Return Pipe Connections

    Installation Supply/Return Pipe Connections Cleaning and Flushing the Water Loop After the piping system is complete, the flexible hose Figure 23. Supply/return pipe connections connectors should be disconnected from the unit and linked together using field supplied couplings (avoiding trash settle-out in the condenser). An extra pipe may be necessary to connect the hose kits.
  • Page 34: Main Unit Power Wiring

    Installation  speed WSHP units include a 75 VA control transformer equipped with a circuit breaker. If a circuit breaker trips, WARNING turn OFF all power to the unit before attempting to reset it. Live Electrical Components! Failure to follow all electrical safety precautions when WARNING exposed to live electrical components could result in Hazardous Voltage!
  • Page 35: Installation Of The Axiom Model Vs

    Installation Note: Resistance in excess of 2.5 ohms per conductor can normal operation, the water level in the trap rises until cause deviations in the accuracy of the controls. there is a constant outflow. 2. Ensure that the wiring between controls and the unit’s •...
  • Page 36: Electrical Data

    Electrical Data Table 28. VSH* electrical data with ECM Maximum Minimum Overcurrent Total Unit Comp RLA No. of Blower Blower Motor Circuit Protective Model No. Unit Volts (ea) Compressors Motor FLA Motor hp Num. Ampacity Device 208/60/1 10.2 0.97 12.47 VSH*024 230/60/1 10.2...
  • Page 37: Variable-Speed Wshp Tracer® Uc400 Controller

    Variable-Speed WSHP Tracer® UC400 Controller I/O Definitions Hard-wired input/outputs for the variable-speed WSHP UC400 controller are defined in the following table. Table 30. UC400 hard wired input/output definitions UC400 Variable-speed WSHP Connection Connection type terminal configuration specifications Valid range Zone Temp Sensor/Timed Override and 10 kΩ...
  • Page 38: Xm30 Configurable Connections

    Variable-Speed WSHP Tracer® UC400 Controller XM30 Configurable Connections The following table provides information about the XM30 configurable connections. Table 31. Device connections Connection Quantity Types Range Thermistor 2252 Ω, 10 k, 20 k, 100 kΩ Resistive (Setpoint) 100 Ω to 1 MΩ 1 kΩ;...
  • Page 39 Variable-Speed WSHP Tracer® UC400 Controller Table 33. UC400 setup parameters Input Name Range Default Device Occupancy Request Source Local Source/BAS Local Source Heat Cool Mode Request Source Local Source/BAS Local Source Emergency Override Command Source Local Source/BAS Local Source Space Temperature Source Local Source/BAS Local Source Space Humidity Source...
  • Page 40: Sequence Of Operation

    Sequence of Operation For unoccupied zone setpoints, the UC400 has default values for heating and cooling and they are adjustable ® through Tracer During normal operation, the compressor and supply fan When multiple setpoint sources are available (local and outputs modulate to maintain the space temperature at BAS), the controller will use the following logic for the user-selected space temperature setpoint(s).
  • Page 41: Unoccupied Mode

    Sequence of Operation occupied heating or cooling setpoint. Occupied mode is communicated value. The default value for the supply fan the default mode of the UC400 controller. mode is continuous. Unoccupied Mode Supply Fan Mode: Cycling When the controller is in Unoccupied mode, the unit will For active cooling, heating operation, the supply fan will attempt to maintain the space temperature at the stored be commanded ON and will ramp up to minimum speed...
  • Page 42: Unit Mode Arbitration

    Sequence of Operation Unit Mode Arbitration are provided through the BAS, arbitration is used to determine the active mode as follows: Manual Mode Determination Refer to the following table to determine the unit operating mode based on communicated heat cool mode request Any BAS request for AUTO mode or any other values: enumeration for the heat cool mode request object that...
  • Page 43: Entering Water Temperature (Ewt) Sampling

    Sequence of Operation Entering Water Temperature (EWT) Unoccupied Cooling and Heating Sampling Operation The controller will sample the entering water temperature The unit will control the zone temperature to the active to determine proper control action for all units that utilize unoccupied setpoints during unoccupied periods.
  • Page 44: Pre-Start Checklist

    Pre-Start Checklist Before energizing the unit, the following system devices must be checked: • Is the high voltage power supply correct and in accordance with the nameplate ratings? • Is the field wiring and circuit protection the correct size? • Is the low voltage control circuit wiring correct per the unit wiring diagram? •...
  • Page 45: Start-Up

    Start-Up Table 35. Checklist (continued) MODE Heat Cool Water coil heat exchanger Note: Start-up with the heat pump zone sensor is _________PSIG _________PSIG (Water Pressure OUT) included below: Pressure Differential _________PSIG _________PSIG 1. Cooling mode expectations: On the zone sensor, set COMPRESSOR the fan/system mode switch to the AUTO position.
  • Page 46 Start-Up Table 36. Operating pressures in cooling/heating - VSH Cooling Heating Entering Water Water Suction Discharge Water Air Temp Suction Discharge Water Air Temp Temp Flow Pressure, Pressure Temp Rise Drop Pressure Pressure Temp Rise Model No. (°F) (GPM) PSIG (PSIG) (°F) °F (DB)
  • Page 47 Start-Up Table 36. Operating pressures in cooling/heating - VSH (continued) Cooling Heating Entering Water Water Suction Discharge Water Air Temp Suction Discharge Water Air Temp Temp Flow Pressure, Pressure Temp Rise Drop Pressure Pressure Temp Rise Model No. (°F) (GPM) PSIG (PSIG) (°F)
  • Page 48 Start-Up Table 37. Operating pressures in cooling/heating - VSV (continued) Cooling Heating Entering Water Water Suction Discharge Water Air Temp Suction Discharge Water Air Temp Temp Flow Pressure, Pressure Temp Rise Drop Pressure Pressure Temp Rise Model No. (°F) (GPM) PSIG (PSIG) (°F)
  • Page 49: Water Pressure Drop

    Start-Up Table 37. Operating pressures in cooling/heating - VSV (continued) Cooling Heating Entering Water Water Suction Discharge Water Air Temp Suction Discharge Water Air Temp Temp Flow Pressure, Pressure Temp Rise Drop Pressure Pressure Temp Rise Model No. (°F) (GPM) PSIG (PSIG) (°F)
  • Page 50: Maintenance

    Maintenance scale. This service should be performed by an experienced service person. It should be noted that the water quality should be checked Preventive Maintenance periodically (See the table below). Maintenance on the unit is simplified with the following Table 47. Water quality preventive suggestions: Scaling Amount...
  • Page 51: Troubleshooting

    Troubleshooting WARNING Hazardous Service Procedures! Failure to follow all precautions in this manual and on the tags, stickers, and labels could result in death or serious injury. Technicians, in order to protect themselves from potential electrical, mechanical, and chemical hazards, MUST follow precautions in this manual and on the tags, stickers, and labels, as well as the following instructions: Unless specified otherwise, disconnect all electrical power including remote disconnect and discharge all energy storing devices such as capacitors before servicing.
  • Page 52: Compressor Drive Troubleshooting

    Troubleshooting Problem Heating Cooling Cause Correction Trash in heat exchanger Backflush Low water flow Increase GPM Overcharge of refrigerant Decrease charge Non-condensable in system Evacuate and recharge by weight High head pressure Water too hot Decrease temperature Dirty filter Clean/replace Inadequate airflow Check, clean blower and coil Undercharged...
  • Page 53: Control Wiring

    Control Wiring Figure 26. 208V single-phase wiring with ECM WSHP-SVX13G-EN...
  • Page 54 Control Wiring Figure 27. 460V three-phase wiring with ECM WSHP-SVX13G-EN...
  • Page 56 Trane - by Trane Technologies (NYSE: TT), a global climate innovator - creates comfortable, energy efficient indoor environments for commercial and residential applications. For more information, please visit trane.com or tranetechnologies.com. Trane has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice.

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