CG-SVX038A-EN 35
Unit Shutdown
Normal Unit Shutdown
Extended Shutdown Procedure
If the system is taken out of operation for long periods of
time, use this procedure to prepare the system for
shutdown.
1. Test condenser and high side piping for refrigerant
leakage.
2. Open electrical disconnect switches for evaporator
water pump. Lock the disconnect in an open position.
3. Open the unit main electrical disconnect and unit-
mounted
disconnect (if used) and lock in open
position.
Chiller
Level
Local Stop
Normal Latching Diagnostic
Chiller Level Non-Latching Diagnostic
Tracer Stop
External Auto-Stop
Stopped
Shutting Down
De-Energize
Condenser
Water Pump Relay
(If Chiller Controls
Pump)
Stopped
or Run Inhibit
Running
Run Inhibit
Evap Pump Off Delay Timer
(0 to 30 Minutes)
Circuit 1
Shutting Down
Auto
Shutting Down
Auto
Circuit 2
De-Energize
Current Lead Cprsr
De-Energize
Current Lag Cprsr
Close Liquid
Solenoid Valve
Close Liquid
Solenoid Valve
De-Energize
Cprsr
(1 to 5 Sec)
(1 to 5 Sec)
To Next Page
Loading...
