4RTAC-SVX01F-EN
Table of Contents
Leak Test and Evacuation....................................................... .............................. 58
Refrigerant and Additional Oil Charge .................................................................. 60
Refrigerant Charge Determination.................................................................... .... 60
Oil Charge Determination.................... ................................................................. 61
Installation - Electrical....................................................................................... . 62
General Recommendations....................... ........................................................... 62
Installer-Supplied Components............................................................................ . 75
Power Supply Wiring........................... ................................................................. 75
Control Power Supply....................................................... .................................... 76
Heater Power Supply and Convenience Outlet (Packaged Units Only)................ 76
Water Pump Power Supply .................................................................................. 77
Interconnecting Wiring ......................................................................................... 77
Chilled Water Flow (Pump) Interlock............................................. ....................... 77
Chilled Water Pump Control................................................ ................................. 77
Alarm and Status Relay Outputs (Programmable Relays)..................................... 78
Relay Assignments Using TechView...................................... .............................. 79
Low Voltage Wiring .............................................................................................. 79
Emergency Stop.................................. ................................................................. 79
External Auto/Stop............................................................................................ .... 80
External Circuit Lockout – Circuit #1 and Circuit #2.............................................. 80
Ice Building Option ............................................................................................... 80
External Chilled Water Setpoint (ECWS) Option................................................... 81
External Current Limit Setpoint (ECLS) Option..................................................... 81
Chilled Water Reset (CWR)............. ..................................................................... 82
Communications Interface options................................................................... .... 84
Optional Tracer Communications Interface .......................................................... 84
LonTalk Communications Interface for Chillers (LCI-C).................................... .... 84
Operating Principles............................................................. .............................. 86
Refrigeration Cycle ............................................................................................... 86
Refrigerant R134a...................................................................................... ........... 88
Compressor..................................... ..................................................................... 88
Condenser and Subcooler .................................................................................... 88
Expansion Valve................................................................................................... . 89
Evaporator ............................................................................................................ 89
Oil System.................................... ........................................................................ 89
Controls Interface................................. .............................................................. 91
CH530 Communications Overview ...................................................................... 91
Controls Interface............................ ..................................................................... 91
DynaView Interface .............................................................................................. 91
Key Functions.................................. ..................................................................... 92
Radio Buttons.................................. ..................................................................... 92
Spin Value Buttons ............................................................................................... 92
Action Buttons.................................................................. .................................... 92
Hot Links .............................................................................................................. 92
File Folder Tabs .................................................................................................... 92
Display Screens............................... ..................................................................... 93
Basic Screen Format ............................................................................................ 93
Front Panel Lockout Feature ................................................................................ 94
Front Panel Display During Cold Ambients........................................................... 94