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4 RTAC-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