Trane CVGF-SVU02B-E4 Operation And Maintenance Manual page 17

Figure 10. CVFG sequence of operation: satisfaction setpoint
Preparing shutdown
Running
Close IGV
(0-50 seconds)
Enforce all running mode
diagnostics
CVGF-SVU02B-E4
General
Information
Satisfied setpoint
Command IGV closed
Shutting down
Post lube
(1 minute)
De-energize compressor
Confirm no compressor
currents within 30 seconds
De-energize condenser
water pump relay
*Note: No oil pressure when oil differential pressure switch is open.
Shutting down
De-energize oil pump
Confirm no oil pressure*
5 minutes after oil pump
is de-energized
Auto
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