Trane CVGF500 - Page 42

Running
Preparing shutdown Shutting down Shutting down
*Note: No oil pressure when oil differential pressure switch is open.
Satisfied setpoint
Command IGV closed
De-energize compressor
Confirm no oil pressure*
5 minutes after oil pump
is de-energized
De-energize oil pump
Close IGV
(0-50 seconds)
Post lube
(1 minute)
Auto
Confirm no compressor
currents within 30 seconds
De-energize condenser
water pump relay
Enforce all running mode
diagnostics
Figure 11. CVGF sequence of operation: satisfaction setpoint
CVGF-SVX03B-EN
42
General Information