Trane Axiom VSHE024 Operating And Maintenance
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Trane Axiom VSHE024 Operating And Maintenance

Trane Axiom VSHE024 Operating And Maintenance

Vsh/vsv series variable speed water source heat pump 24 to 60 mbtuh - 60 hz
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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
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.
January 2015
VSHE024
VSHE033
VSHE042
VSHE050
VSHE060
SAFETY WARNING
WSHP-SVX13C-EN
VSVE024
VSVE033
VSVE042
VSVE050
VSVE060

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Summary of Contents for Trane Axiom VSHE024

  • 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

    NEVER PERFORM ANY Practices SWITCHING, DISCONNECTING, OR VOLTAGE TESTING WITHOUT PROPER ELECTRICAL PPE AND Trane believes that responsible refrigerant practices are ARC FLASH CLOTHING. ENSURE ELECTRICAL important to the environment, our customers, and the air METERS AND EQUIPMENT ARE PROPERLY RATED conditioning industry.

  • Page 3: Copyright

    Copyright This document and the information in it are the property of Trane, and may not be used or reproduced in whole or in part without written permission.Trane reserves the right to revise this publication at any time, and to make changes to its content without obligation to notify any person of such revision or change.

  • Page 4: Table Of Contents

    Table of Contents Introduction Main Unit Power Wiring ....43 ......2 Warnings, Cautions, and Notices .
  • Page 5 Table of Contents Operating Pressures ....54 Water Pressure Drop ....58 Water Volume .

  • Page 6: Model Number Description - Vsh/Vsv

    Model Number Description - VSH/VSV Digit 19 — Motor Type Digits 1-3 — Unit Configuration A = ECM VSH = Variable Speed Vertical B = Plenum Fan VSV = Variable Speed Horizontal Digit 4 — Development Sequence E = R-410A Refrigerant Digit 5-7 —...

  • Page 7: General Information

    General Information Jobsite Storage WARNING WARNING Microbial Growth! Fiberglass Wool! Wet interior unit insulation can become an amplification site for microbial growth (mold), which may cause odors Product contains fiberglass wool. Disturbing the and serious health related indoor air quality problems. If insulation in this product during installation, there is evidence of microbial growth (mold) on the maintenance or repair will expose you to airborne...

  • Page 8: Compressor Nameplate

    General Information Compressor Nameplate The nameplate for the compressors are located on the compressor shell. Air-to- Refrigerant Coil The air-to-refrigerant coil is aluminum fin, mechanically bonded to the copper tubing. Water-to-Refrigerant Coil The water-to-refrigerant coil is a copper or cupro-nickel (option) and steel tube (tube-within-a-tube) design, leak tested to assure there is no cross leakage between the water tube (copper/cupro-nickel) and refrigerant gas (steel...

  • Page 9: Unit Dimensions

    Unit Dimensions Figure 1. Clearance dimensions* VSH 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 Figure 2.
  • Page 10 Unit Dimensions Figure 3. Left return/top supply - VSV with ECM 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 FRONT RIGHT SIDE Table 3. Dimensional data - left return/top supply - VSV with ECM W.I.
  • Page 11 Unit Dimensions Figure 4. Left return/top supply - VSV 5 tons with ECM 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 4. Dimensional data - left return/top supply - VSV060 with ECM W.I.
  • Page 12 Unit Dimensions Figure 5. Left return/back supply - VSV 5 tons with ECM 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 FRONT RIGHT SIDE Table 5. Dimensional data - left return/back supply - VSV060 with ECM W.I.
  • Page 13 Unit Dimensions Figure 6. Left return/back supply - VSV 5 tons with ECM 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 6. Dimensional data - left return/back supply - VSV060 with ECM W.I.
  • Page 14 Unit Dimensions Figure 7. Right return/top supply - VSV with ECM BLOWER ACCESS COMP/CONTROL ACCESS W.O. DRAIN HI VOLT 12" 9 1/2" 8 3/4" LO VOLT W.I. 3 5/8" 3 5/8" FRONT RIGHT SIDE LEFT SIDE Table 7. Dimensional data - right return/top supply - VSV with ECM W.I.
  • Page 15 Unit Dimensions Figure 8. Right return/top supply - VSV 5 tons with ECM 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 - VSV060 with ECM W.I.
  • Page 16 Unit Dimensions Figure 9. Right return/back supply VSV with ECM 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 FRONT RIGHT SIDE Table 9. Dimensional data - right return/back supply - VSV with ECM W.I.
  • Page 17 Unit Dimensions Figure 10. Right return/back supply - VSV 5 tons with ECM 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 10. Dimensional data - right return/back supply - VSV060 with ECM W.I.
  • Page 18 Unit Dimensions Figure 11. Left return/top supply VSV with plenum fan BLOWER ACCESS W.O. HI VOLT DRAIN 9-1/2 3.56 9-3/4 LO VOLT W.I. LEFT SIDE FRONT RIGHT SIDE 3-5/8 Table 11. Dimensional data—left return/top supply with plenum fan W.I. W.O. Drain Units NPTI...
  • Page 19 Unit Dimensions Figure 12. Left return/top supply — VSV060 with plenum fan BLOWER ACCESS W.O. DRAIN HI VOLT LO VOLT W.I. 8-1/4 10-5/8 LEFT SIDE RIGHT SIDE FRONT 4-5/8 2-1/2 26.0780 Table 12. Dimensional data—left return/top supply - VSV060 with plenum fan W.I.
  • Page 20 Unit Dimensions Figure 13. Right return/top supply with plenum fan BLOWER ACCESS W.O. HI VOLT DRAIN 9-1/2 3.56 9-3/4 LO VOLT W.I. LEFT SIDE FRONT RIGHT SIDE 3-5/8 Table 13. Dimensional data - right return/top supply with plenum fan W.I. W.O.
  • Page 21 Unit Dimensions Figure 14. Right return/top supply - VSV060 with plenum fan BLOWER ACCESS W.O. DRAIN HI VOLT LO VOLT 10-5/8 8-1/4 LEFT SIDE RIGHT SIDE FRONT 4-5/8 2-1/2 W.I. 26.0780 Table 14. Dimensional data - right return/top supply - VSV060 with plenum fan W.I.
  • Page 22 Unit Dimensions Figure 15. 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.) LO VOLT 2-1/4 1-5/8 DRAIN 3-1/2 2-1/2 3/4" NPTI LEFT SIDE FRONT BACK F X G OPENING RIGHT SIDE BLOWER ACCESS PANEL 1-7/8...
  • Page 23 Unit Dimensions Figure 16. 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 HI VOLT M(W.I.) LO VOLT 2-1/4 1-5/8 DRAIN 3-1/2 2-1/2 3/4" NPTI LEFT SIDE FRONT BACK F X G OPENING RIGHT SIDE 1-7/8 Table 16.
  • Page 24 Unit Dimensions Figure 17. 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 LO VOLT 2-1/4 1-5/8 3-1/2 DRAIN 2-1/2 3/4 NPTI LEFT SIDE FRONT BACK RIGHT SIDE Table 17.
  • Page 25 Unit Dimensions Figure 18. 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 LO VOLT 2-1/4 1-5/8 3-1/2 2-1/2 M(W.I.) BACK LEFT SIDE FRONT RIGHT SIDE Table 18.

  • Page 26: Unit Fan Performance

    Unit Fan Performance WSHP-SVX13C-EN...
  • Page 27 Unit Fan Performance WSHP-SVX13C-EN...
  • Page 28 Unit Fan Performance WSHP-SVX13C-EN...
  • Page 29 Unit Fan Performance WSHP-SVX13C-EN...
  • Page 30 Unit Fan Performance WSHP-SVX13C-EN...
  • Page 31 Unit Fan Performance WSHP-SVX13C-EN...
  • Page 32 Unit Fan Performance WSHP-SVX13C-EN...
  • Page 33 Unit Fan Performance WSHP-SVX13C-EN...

  • Page 34: Merv Filter

    Unit Fan Performance MERV Filter Table 26. Added pressure drop through MERV filters (inches water column) – VSH Model No. MERV 8 MERV 13 0.08 0.09 0.09 0.10 VSH024 0.10 0.12 0.11 0.12 1024 0.11 0.13 0.10 0.12 1076 0.12 0.14 VSH033 1200...
  • Page 35 Unit Fan Performance Table 27. Added pressure drop through MERV filters (inches water column) – VSV (continued) Model No. MERV 8 MERV 13 1701 0.15 0.18 1796 0.16 0.19 VSV050 1890 0.17 0.21 1985 0.18 0.22 2079 0.19 0.23 1900 0.14 0.16 2021...

  • Page 36: General Data

    General Data Figure 19. 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 3.
  • Page 37 General Data Table 29. Air-to-refrigerant coil Model VSH* VSH*024 VSH*033 VSH*042 VSH*050 VSH*060 Working pressure Tubes high 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 38 General Data Table 33. 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 Table 34. ISO Ratings (VSH) Water Loop Heat Pump Ground Water Heat Pump Ground Loop Heat Pump...

  • Page 39: Installation

    Installation WARNING Proper Field Wiring and Grounding General Installation Checks Required! All field wiring MUST be performed by qualified The checklist below is a summary of the steps required to personnel. Improperly installed and grounded field successfully install a commercial unit.This checklist is wiring poses FIRE and ELECTROCUTION hazards.

  • Page 40: Return-Air Ductwork

    Installation placed up stream of the unit or placed within a field Figure 21. Flexible supply-air connector (field provided) provided filter rack assembly. Figure 23. Ducted panel Return-Air Ductwork The equipment factory ships with the filter rail and filter(s) Table 36. Return air ducted panel (horizontal only) installed for free return.

  • Page 41: Sound Attenuation Pad

    Installation Condensate Drain Connection Table 38. Ducted filter opening size Unit Figure 26. Negative pressure system VSV 024, 033 22.4” 25.7” 4.3” VSV 042, 050 26.6” 30.7” 5.5” VSV060 30.5” 40.1” 5.5” Sound Attenuation Pad For sound-sensitive installations, a vibration pad (field provided) should be placed beneath the vertical unit.The pad should be ½...

  • Page 42: Cleaning And Flushing The Water Loop

    Installation connection of a Hays Measurflo® balancing hose kit to the Figure 29. MeasurfloVac kit (automatic) water-in and water-out of a vertical unit. Optional Isolation Valve Note: Figure 27, p. 41 example incorporates the Hays 2-Position Valve Measurflo® balancing hose kit and a 2-position isolation valve into the system design.

  • Page 43: Field Installed Power Wiring

    Installation Note: Vents should be open when the pumps and Location of the applicable electric service entrance for supplementary heat system are shut down. HIGH (line voltage) may be found in the Dimensions section of this manual. Field Installed Power Wiring The high-voltage connection is made at the power block inside the unit control box.

  • Page 44: Installation Of The Axiom Model Vs

    • Trane recommends that the condensate system (4) be set-up per negative pressure trapping in consideration of the unit's draw-through design. With this properly...

  • Page 45: Electrical Data

    Electrical Data WARNING Rotating Components! Disconnect all electric power, including remote disconnects before servicing. Follow proper lockout/ tagout procedures to ensure the power can not be inadvertently energized. Failure to disconnect power before servicing could result in death or serious injury. Table 40.
  • Page 46 Electrical Data Table 42. VSV* electrical data with plenum fan 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 VSV*024 460/60/3 1.80 5.43 VSV*033 460/60/3...

  • Page 47: 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 Table 43, p. Table 43. 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 48: Uc400 Setpoints And Setup Parameters

    Variable-Speed WSHP Tracer™ UC400 Controller UC400 Setpoints and Setup Parameters The setpoints shown in Table 44, p. 48 are available for modification through theTracer™TU Field ServiceTool if changes from the factory default values are required. Table 44. UC400 setpoints Input Name Selections Default Default Setpoints...

  • Page 49: Sequence Of Operation

    Sequence of Operation For unoccupied zone setpoints, the UC400 has default values for heating and cooling and they are adjustable throughTracer™TU. 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 50: Unoccupied Mode

    Sequence of Operation 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 unoccupied heating or cooling setpoint (configurable once the unit determines that there is a request for cooling through the BAS orTracer™TU).

  • Page 51: 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 Table 46, p. 51 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 52: Entering Water Temperature (Ewt) Sampling

    Sequence of Operation Entering water temperature (EWT) Demand Limit Operation sampling The controller supports a communicated request for demand limiting operation of the compressor and supply The controller will sample the entering water temperature fan outputs. Demand limiting operates as follows: If the to determine proper control action for all units that utilize point is placed into the active state, the unit limits the a hard-wired entering water temperature indication.

  • Page 53: 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 54: Start-Up

    Start-Up Table 47. Checklist 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 55 Start-Up Table 48. 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 56 Start-Up Table 48. 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 57 Start-Up Table 49. 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 58: Water Pressure Drop

    Start-Up Table 49. 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 59: Maintenance

    Filter sizing is shown in Table 57, p. Trane assumes no responsibility for equipment failures which result from untreated or improperly treated Table 56. Filter sizing for disposable filters - VSH water or saline or brackish water.

  • Page 60: Troubleshooting

    Troubleshooting WARNING Hazardous Service Procedures! The maintenance and troubleshooting procedures recommended in this section of the manual could result in exposure to electrical, mechanical or other potential safety hazards. Always refer to the safety warnings provided throughout this manual concerning these procedures. When possible, disconnect all electrical power including remote disconnects before servicing.

  • Page 61: 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 air flow Check, clean blower and coil Undercharged...

  • Page 62: Pressure Transducer/Controller

    Troubleshooting Pressure transducer/controller For units with the plenum fan option, gravity will affect the diaphragm and consequently the pressure measurement value of the pressure transducer/controller. Note: This does not apply to units with the ECM fan/ motor option. If the CFM control does not seem to be performing as expected, the pressure transducer/controller may need to be reset.This procedure will have been performed at the factory and generally will not be needed in the field.

  • Page 63: Control Wiring

    Control Wiring Figure 32. 208V single-phase wiring with ECM option WSHP-SVX13C-EN...
  • Page 64 Control Wiring Figure 33. 460V three-phase wiring with ECM option WSHP-SVX13C-EN...
  • Page 65 Dashed lines indicate recommended field wiring by others. Field writing to be rated for 600V. Dashed line enclosure and/or dashed device outlines indicate components provided by the field. Solid lines indicate wiring by the Trane company. Numbers along the right side of the schematic designate the location of the contacts by line number.
  • Page 68 HVAC systems, comprehensive building services, and parts. For more information, visit www.Trane.com. Trane has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice. © 2015Trane All rights reserved...

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