Momentary Power
Loss Detected
Momentary Power Loss Cleared
and Need to Cool
Shutting Down
Waiting to Start
Running
Starting
Compressor
Enforce Power Up Delay Timer
Establish Condenser Water Flow
(6 Second Minimum)
Close IGV (0-50 Seconds)
Command IGV Closed
Energize Condenser
Water Pump Relay
Confirm Condenser Water Flow Within 4
minutes 15 seconds (6 Second Filter)
Enforce Restart Inhibit Timer (30 Minutes)
De-Energize
Compressor
Confirm No Compressor Currents
Within 0-30 Seconds
De-Energize Condenser
Water Pump Relay
Figure 37. CVGF sequence of operation: momentary power loss, (Lagre display™ and starter
module remain pow
CVGF-SVX03B-EN
103
Machine Protection and Adaptive Control
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