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Trane CGWH 115 - User Manual

Trane CGWH 115
28 pages
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Installation
Operation
Maintenance
CGWH-SVX01D-E4
CGWH Packaged Water-cooled liquid chiller
CCUH Condenserless liquid chiller
Sizes 115 - 120 - 125 - 225 - 230 - 235 - 240 - 250
To be used with the user guide of CH530 scroll chiller controls

Questions and Answers

  • T
    Thomas JuarezAug 19, 2025
    Why is my Trane CGWH 115 Chiller's cooling capacity insufficient?
    • I
      ian13Aug 19, 2025
      If your Trane Chiller isn't cooling sufficiently, it might be due to: * Not enough refrigerant: Check the refrigerant circuit for tightness and add refrigerant. * A clogged drier filter: Replace the filter. * Superheat not properly adjusted: Check and adjust the thermostatic expansion valve. * Obstructed chilled water pipes: Clean the pipes and strainer.
  • J
    Justin AndrewsAug 22, 2025
    What causes loss of oil in Trane Chiller compressor?
    • T
      Tyler DavilaAug 22, 2025
      If there is loss of oil in the Trane Chiller compressor, it could be due to: * Not enough oil: Contact Trane Office before to order oil. * A clogged filter drier: Replace the filter drier. * Liquid flowing back to the compressor: Adjust superheat and check the bulb fixing of the expansion valve.
  • B
    brandon08Aug 25, 2025
    Why does my Trane CGWH 115 Chiller compressor stop, indicating a high pressure switch tripped?
    • J
      Jasmine KirbyAug 26, 2025
      High discharge pressure can cause the Trane Chiller compressor to stop. This might happen because the voltage is too low, the cooling demand is too high, the condensing temperature is too high, or there isn't enough cooling fluid. Also, low water flow to the evaporator can be a factor. To address this: * Refer to instructions for “discharge pressure high.” * Contact the Power Supply Utility if the voltage is too low. * Repair any leaks and add refrigerant. * Check the water flow rate and the pressure switch contact in the water.
  • K
    Kurt MorrisonAug 28, 2025
    Why does the Trane Chiller compressor keep running without stopping?
    • T
      Thomas MartinezAug 28, 2025
      If your Trane Chiller compressor is running non-stop, it could be due to: * Excess load on the cooling system. * Existing cooling demand on the system. In both cases, check the thermal insulation and air-tightness of the areas requiring air-conditioning.
  • K
    Kristen PowellAug 31, 2025
    What causes high discharge pressure in a Trane CGWH 115?
    • M
      Mr. Manuel DickersonAug 31, 2025
      High discharge pressure in your Trane Chiller can be caused by: * Uncondensable liquids in the system or excess refrigerant: Purge uncondensable fluids and drain off excess refrigerant. * Overload on the cooling system: Reduce the load on the system and reduce water flow if necessary. * Reduced air flow or air intake temperature higher than specified: Clean the battery and check the operation of motor fans.
  • M
    Misty MartinSep 3, 2025
    Why is my Trane CGWH 115 Chiller compressor noisy?
    • M
      morrisjonathanSep 3, 2025
      A noisy Trane Chiller compressor can be due to: * Broken components inside the compressor: Change the compressor. * Uneven liquid flow or an expansion valve locked in the open position: * Check superheat setting and fixing of expansion valve bulb. * Repair or replace the expansion valve.
  • J
    Jose AlvaradoSep 6, 2025
    What causes suction pressure to be too high in a Trane CGWH 115?
    • J
      jamieclaytonSep 6, 2025
      If the suction pressure in your Trane Chiller is too high, it could be due to: * The expansion valve being too far open: Check the system. * The expansion valve being locked in the open position: * Check for superheat and ensure the expansion valve bulb is secure. * Replace the expansion valve.
  • C
    Charles ChaseSep 9, 2025
    What causes suction pressure to be too low in a Trane Chiller?
    • H
      Hailey BrownSep 9, 2025
      If the suction pressure in your Trane Chiller is too low, it could be due to: * A clogged drier filter or an expansion valve bulb that has lost its refrigerant: Replace the deshydrator and the bulb. * An obstructed expansion valve: Replace the valve. * Excessive pressure drops through the evaporator: Check and adjust the superheat and adjust the thermostatic expansion valve.
  • M
    Mark CamachoSep 12, 2025
    What to do if Trane CGWH 115 compressor stops just after its start?
    • A
      Andrew FisherSep 12, 2025
      If the Trane Chiller compressor stops right after starting, the filter drier might be clogged. Replace the filter drier to resolve this.
  • J
    Julie JohnsonNov 15, 2025
    How to troubleshoot a Trane Chiller compressor that won't start?
    • R
      Ryan MarshNov 15, 2025
      If your Trane Chiller's compressor isn't starting, several issues could be the cause: * The motor might be burned out, requiring a compressor replacement. * The coil could be burned out or have broken contacts, needing repair or replacement. * There might be a power cut; check fuses and connections, determine why the system tripped, and switch on the main power supply if the system is operational. * A blown fuse; check the motor insulation and replace the fuse. * Voltage might be too low; contact the Power Supply Utility. * The control circuit could be open; locate the regulation device that has tripped and investigate why, referring to instructions for that device, and replace the compressor if necessary. * The compressor might be sticking due to damaged or sticking compone...

Trane CGWH 115 Specifications

General IconGeneral
Tonnage115 tons
Cooling Capacity1380 MBH
Voltage460V
Length144 in
Width48 in

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