Trane CenTraVac Duplex CDHF Operation & Maintenance Manual page 16

Staging Second Compressor Off:
This diagram shows the sequence of operations where there is no longer a need to run the 'Second' compressor, so it
is staged off. The 'First' and 'Second' compressor will be determined by the type of duplex start selected
Figure 10. CDHE/F/G sequence of operation: staging second compressor off
Satisfied Setpoint:
This diagram shows the sequence of operations where the setpoint has been satisfied, and the last compressor is
staged off.
Figure 11. CDHE, CDHF and CDHG sequence of operation: normal shutdown to stopped and run inhibit
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CDHF-SVU01C-EN