Trane CenTraVac CDHH

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CDHH-SVX003C-EN

Figure 33. Control panel: main unit assembly right hand panel

(showing low voltage and higher voltage areas for proper routing of field wiring)

30 Volt Maximum 30–115 Volt Maximum

Installation: Controls

Main Page

Table of Contents5
Unit Nameplate8
Compressor Nameplate9
Pressure Vessel Nameplates9
Model Number Descriptions11
CDHH Centravac Chiller Description11
CCHH Centrifugal Compressor12
Description12
Pre-Installation13
ASHRAE Standard 15 Compliance13
Unit Shipment13
General Information13
Installation Requirements and Contractor14
Responsibilities14
Storage Requirements15
Unit Components17
Unit Clearances and Weights18
Recommended Unit Clearances18
General Weights19
Weights (Lb)19
Weights (Kg)20
Installation: Mechanical21
Operating Environment21
Foundation Requirements21
Rigging21
Standard Chiller Lift21
Special Lift Requirements23
Unit Isolation23
Isolation Pads24
Spring Isolators24
Leveling the Unit25
Installation: Water Piping27
Overview27
Water Treatment27
Water Pressure Gauges27
Valves - Drains and Vents27
Strainers28
Required Flow-Sensing Devices28
Water Flow Detection Controller and Sensor - Ifm Efector28
Evaporator and Condenser Water30
Piping30
Water Piping Connections31
Waterbox Locations31
Grooved Pipe Coupling31
Flange-Connection Adapters32
Victaulic Gasket Installation33
Screw-Tightening Sequence for Water33
Piping Connections33
Flanges with 8 or 12 Screws33
Flanges with 16 or 20 Screws33
Pressure Testing Waterside Piping34
Eddy Current Testing34
Vent Piping35
Refrigerant Vent Line35
General Requirements35
Purge Discharge35
Vent Line Materials35
Vent Line Sizing35
Vent Line Installation36
Trane Ruptureguard38
General Information38
Connection to External Vent Line and Drip Leg38
Vent Line Sizing Reference39
Insulation44
Unit Insulation Requirements44
Insulation Thickness Requirements44
Factory-Applied Insulation44
Installation: Controls46
Symbio™ 80046
Adaptiview™ Display46
Tracer ® TU46
Control Panel47
Installing the Tracer ® Adaptiview49
Display49
Adjusting the Tracer ® Adaptiview49
Display Arm50
Module Installation51
Air-Fi51
Wi-Fi52
Electrical Requirements53
Installation Requirements53
Trane-Supplied Remote Starter Wiring54
Wiring54
Current Transformer and Potential57
Transformer Wire Sizing57
Power Supply Wiring58
Three-Phase Power58
Circuit Breakers and Fused59
Disconnects59
CE for Control Power Transformer59
CE for Starter or Drive60
Control Power Transformer61
Power Factor Correction Capacitors61
(Optional)61
Interconnecting Wiring63
Starter to Motor Wiring64
Starters Only)64
Ground Wire Terminal Lugs64
Terminal Clamps64
Wire Terminal Lugs64
Bus Bars65
Starter to Control Panel Wiring65
Medium Voltage Motor67
Motor Terminal Box67
Motor Supply Wiring68
Motor Terminals68
Ground Wire Terminal Lug69
CE for Medium Voltage Starter69
System Control Circuit Wiring70
Wiring)70
Water Pump Interlock Circuits and Flow71
Switch Input71
Chilled Water Pump72
Chilled Water Proof of Flow72
Condenser Water Pump72
Condenser Water Proof of Flow72
Sensor Circuits72
CWR - Outdoor Option75
Circuits75
Starter Module Configuration75
Schematic Wiring Drawings75
Operating Principles76
General Requirements76
Cooling Cycle76
CDHH 3-Stage Compressor 1 or 276
CDHH 2-Stage Compressor 1 or 276
Duplex Compressor Sequencing77
Fixed Sequence - Compressor 1 / Compressor 2 (Default Mode)77
Fixed Sequence - Compressor 2 / Compressor 177
Hours78
Command78
Stop79
Compressor Load Balancing79
Oil and Refrigerant Pump79
Compressor Lubrication System79
Motor Cooling System81
Tracer ® Adaptiview™ Display81
Ruptureguard82
Operation82
Earthwise Purge82
General Information82
Start-Up and Shutdown86
Sequence of Operation86
Software Operation Overview86
Diagram86
Start-Up Sequence of Operation-Wye87
Delta87
Power up89
Ice Building Control89
Hot Water Control91
Control Panel Devices and Unit-Mounted92
Devices92
Unit Control Panel92
User-Defined Language Support92
Unit Start-Up and Shutdown92
Procedures92
Daily Unit Start-Up93
Seasonal Unit Start-Up93
Daily Unit Shutdown94
Seasonal Unit Shutdown94
Earthwise Purge94
Sequence of Operations94
Air Removal98
Pump-Out Operating Sequence98
Carbon Tank and Regeneration99
Subsystem99
Recommended Maintenance103
Record Keeping Forms103
Normal Operation104
Recommended Compressor Oil105
Change105
Purge System105
Leak Checking Based on Purge Pump105
Out Time105
Leak Testing106
Recommended System Maintenance106
Condenser107
Evaporator107
Waterbox and Tubesheet Protective107
Coatings107
Sacrificial Anodes107
Ruptureguard Maintenance108
Earthwise Purge108
Maintenance108
Waterbox Removal and Installation111
Discussion111
Procedure111
Reassembly112
Torque Requirements and Waterbox112
Weights112
Screw-Tightening Sequence for Waterboxes113
Evaporator Waterbox Covers113
Condenser Waterbox Covers113
Sheets115
Unit Start-Up/Commissioning115
Appendix B: Chiller Installation Completion and Request for Trane Service116
Appendix C: Centravac™ Chiller Start-Up Tasks to be Performed by Trane118
Appendix D: Centravac™ Chiller Annual120
Inspection List120
Operator Log121

Trane CenTraVac CDHH - Page 48

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