Trane CVGF-SVU02B-E4 - Page 17

CVGF-SVU02B-E4
17
General
Information
Figure 10. CVFG sequence of operation: satisfaction setpoint
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