American Standard CH530 - Manual (Page 15)

15 CDHF-SVU01C-EN
General
Information
Figure 8. CDHE/F/G sequence of operation: auto to running
This diagram shows the sequence of
operations for a start of the first
compressor on a duplex chiller. The
‘First’ compressor will be determined
by the type of duplex start selected.
Staging Second Compressor On:
This diagram shows the sequence of
operations where the ‘First’
compressor is all ready running, and
the ‘second’ compressor is staged
on. The ‘First’ and ‘Second’
compressor will be determined by
the type of duplex start selected
Figure 9. CDHE, CDHF, and CDHG sequence of operation: running