Trane CVGF500 Installation, Operation & Maintenance Manual page 42

General Information
Figure 11. CVGF sequence of operation: satisfaction setpoint
Satisfied setpoint
Preparing shutdown
Running
Close IGV
(0-50 seconds)
Command IGV closed
Enforce all running mode
diagnostics
42
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
CVGF-SVX03B-EN