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Vent Piping

CVHH-SVX001A-EN 33

Figure 19. Illustrates rupture disk location, cross section of rupture disk

Note: Pipe connection is 3 in. NPT.

Rupture disk

Suction connection

Gasket

Outside pipe

assembly

Cap

Bolt

Main Page

Introduction2
- Warnings, Cautions, and Notices2
Unit and Compressor Nameplates8
- Unit Nameplate8
- Compressor Nameplate9
M Odel Number Descriptions10
- CVHH Centravac Chiller Description10
- CCHH Centrifugal Compressor Description10
Pre-Installation11
- ASHRAE Standard 15 Compliance11
- Unit Shipment11
- General Information11
- Installation Requirements and Contractor Responsibilities11
- Storage Requirements13
- Unit Components14
Unit Clearances and Weights15
- Recommended Unit Clearances15
- General Weights16
Installation: M Echanical17
- Operating Environment17
- Foundation Requirements17
- Rigging17
  - Standard Chiller Lift17
  - Special Lift Requirements18
- Unit Isolation19
- Isolation Pads19
- Spring Isolators19
- Leveling the Unit20
Installation: Water Piping22
- Overview22
- Water Treatment22
- Pressure Gauges22
- Valves-Drains and Vents22
- Strainers22
- Required Flow-Sensing Devices22
- Evaporator and Condenser Water Piping25
- Water Piping Connections26
- Waterbox Locations26
- Grooved Pipe Coupling27
- Flange-Connection Adapters27
- Victaulic Gasket Installation28
- Bolt-Tightening Sequence for Water Piping Connections29
  - Flanges W Ith 8 or 12 Bolts29
  - Flanges W Ith 16 or 20 Bolts29
- Pressure Testing Waterside Piping29
Vent Piping30
- Refrigerant Vent Line30
- Vent Line Installation31
- Trane Ruptureguard34
Insulation39
- Unit Insulation Requirements39
- Insulation Thickness Requirements39
Installation: Controls41
- UC800 Specifications41
- Installing the Tracer Adaptiview Display44
- Adjusting the Tracer Adaptiview Display Arm45
Electrical Requirements46
- Installation Requirements46
- Trane-Supplied Remote Starter Wiring48
Customer-Supplied Remote Starter Wiring49
- Current Transformer and Potential Transformer Wire Sizing50
Pow er Supply Wiring51
- Three-Phase Power51
- Circuit Breakers and Fused Disconnects52
- Power Factor Correction Capacitors (Optional)54
- Interconnecting Wiring56
- Starter to M Otor Wiring (Remote-M Ounted Starters Only)57
- Starter to Control Panel Wiring59
M Edium Voltage Installation60
- M Edium Voltage M Otor60
- M Otor Terminal Box60
- M Otor Supply Wiring61
System Control Circuit Wiring (Field Wiring)63
- Water Pump Interlock Circuits and Flow Sw Itch Input64
- Temperature Sensor Circuits65
  - Optional Control and Output Circuits66
  - Optional Tracer Communication Interface66
- Unit Start-Up/ Commissioning66
- Starter M Odule Configuration66
- Schematic Wiring Draw Ings66
Operating Principles67
- General Requirements67
- Cooling Cycle67
- Oil and Refrigerant Pump68
- M Otor Cooling System70
- Tracer Adaptiview Display70
- Ruptureguard71
- Earthwise Purge71
  - How a Purge System Works71
Start-Up and Shut-Dow N75
- Chiller Sequence of Operation75
- Ice M Achine Control78
- Free Cooling Cycle80
- Hot Water Control80
- Control Panel Devices and Unit-M Ounted Devices81
  - Unit Control Panel81
  - User-Defined Language Support81
- Unit Start-Up and Shut-Dow N Procedures81
- Earthwise Purge Sequence of Operations83
Recommended M Aintenance91
- Record Keeping Forms91
- Normal Operation92
- Compressor Oil Change93
- Leak Checking Based on Purge Pump out Time93
- Ruptureguard M Aintenance94
- Earthwise Purge M Aintenance94
Waterbox Removal and Installation98
- Discussion98
- Procedure98
  - Reassembly99
  - Torque Requirements99
- Bolt-Tightening Sequence for Waterboxes101
Forms and Check Sheets102

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