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