Trane Technologies CVHE

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Figure 34. Sequence of operation: ice making: stopped to ice to ice building complete

58 TCVHE-SVX04D-EN

Start-up and Shut Down

RELEASED 10/Mar/2020 06:59:20 GMT

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Warnings, Cautions and Notices2
- Trademarks3
- Table of Contents4
Unit Model Number Description6
Model Number Digit Description7
Pre-Installation8
- ASHRAE Standard 15 Compliance8
- Unit Shipment8
  - General Information8
- Installation Requirements and Contractor Responsibilities9
- Storage Requirements for Chillers Not yet Installed10
- Unit Components11
Unit Dimensions and Weights12
- Recommended Unit Clearances12
Installation Mechanical15
- Operating Environment15
- Foundation Requirements15
- Rigging15
  - Standard Chiller Lift15
  - Special Lift Requirements16
- Unit Isolation16
- Isolation Pads16
- Spring Isolators17
- Unit Leveling17
Installation Water Piping19
- Overview19
- Water Treatment19
- Pressure Gauges19
- Valves - Drains and Vents19
- Strainers19
- Flow-Sensing Devices20
  - Water Temperature Sensor20
- Evaporator and Condenser Water Piping20
- Water Box Locations21
- Water Piping Connections22
- Grooved Pipe Coupling23
- Bolt-Tightening Sequence for Water Piping Connections23
- Pressure Testing Waterside Piping24
Purge Piping25
- Earthwise Purge Requirements - Purge Installation25
Vent Piping26
- Refrigerant Vent-Line26
- Vent-Line Installation27
Insulation31
- Unit Insulation Requirements31
- Insulation Thickness Requirements31
Installation Controls33
- Specifications33
- Installing the Tracer Adaptiview Display36
- Adjusting the Tracer Adaptiview Display Arm37
Electrical Requirements38
- Installation Requirements38
- Trane-Supplied Starter Wiring40
Customer-Supplied Remote Starter Wiring41
- Current Transformer and Potential Transform- er Wire Sizing42
Power Supply Wiring43
- 3-Phase Power Source43
- Circuit Breakers and Fused Disconnects43
- Power Factor Correction Capacitors (Option- Al)43
  - Rule 2 - PFCC Wires Routed through Current Transformers44
- Interconnecting Wiring44
- Starter to Motor Wiring (Remote-Mounted Starters Only)45
- Starter to Control Panel Wiring46
10Kv-13.8Kv Medium Voltage Installation47
- 10Kv-13.8Kv Medium Voltage Motor47
- Motor Terminal Box47
- Motor Supply Wiring47
  - Motor Terminals48
  - Ground Wire Terminal Lug48
System Control Circuit Wiring49
- Water Pump Interlock Circuits and Flow Switch Input50
- Temperature Sensor Circuits50
  - Optional Control and Output Circuits51
  - Optional Tracer Communication Interface51
- Unit Start-Up51
- Starter Module Configuration51
- Schematic Wiring Drawings51
Operating Principles52
- General Requirements52
- Cooling Cycle52
  - CVHE, CVHG 3-Stage Compressor52
  - CVHF 2-Stage Compressor52
- Oil and Refrigerant Pump53
  - Compressor Lubrication System53
  - Operating Principles53
- Motor Cooling System54
- Tracer Adaptiview Display54
- Tracer TU Chiller Service Tool54
Start-Up and Shut down55
- Sequence of Operation55
- Start-Up Sequence of Operation-Wye-Delta55
  - Power up Diagram57
  - Software Operation Overview Diagram57
- Ice Machine Control57
- Free Cooling Cycle59
  - Free Cooling (FRCL)59
- Hot Gas Bypass (HGBP)59
- Hot Water Control60
- Heat Recovery Cycle60
- Auxiliary Condensers60
- Control Panel Devices and Unit Mounted Devices61
- Unit Start-Up and Shut-Down Procedures61
Maintenance64
- Record Keeping Forms64
- Daily Maintenance and Checks64
- Compressor Oil Change66
- Oil Change Procedure66
- Oil Filter66
  - Oil Filter Replacement Procedure66
- General Lubrication67
- Cleaning the Evaporator68
- Purge System68
  - Leak Checking Based on Purge Pump out Time68
- Long Term Unit Storage69
  - Unit Preparation69
- Refrigerant Charge70
  - Recovery and Recycle Connections70
Waterbox Removal and Installation72
- Discussion72
- Procedure72
Sound Pressure Level74
Forms78
- Centravac Commissioning Checklist78

Trane Technologies CVHE - Page 58

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