Trane PRGD series, Installation, Operation And Maintenance Manual

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14 PRGD-SVX01F-EN
Figure 4. Adaptive chiller ON flow chart
The purge then shuts down for a corresponding period
of time, as shown in the following table:
Pumpout Time with chiller
On (over the last 24 hours
or daily average over the
last 7 days, whichever is
greater)
Purge Off cycle duration
Pumpout Time ≤ 1 minute
4 hours
1 minute < Pumpout Time ≤ 3
minutes
3 hours
3 minutes < Pumpout Time ≤ 5
minutes
2 hours
5 minutes < Pumpout Time ≤ 8
minutes
1 hour
Pumpout Time > 8 minutes No Off cycle
During the purge refrigeration circuit Off cycle, the time
remaining is displayed as Time Until Next Purge Run in
the Log Sheet that you can view from the Tracer®
AdaptiView™ display (refer to
“Log Sheet,” p. 23 ).
If the compressor is turned Off during the purge
refrigeration circuit Off cycle, the purge transfers to
Adaptive Mode Procedure—Chiller Compressor Off.
Figure 5, p. 15 illustrates this process.
Adaptive Mode Procedure—Chiller
Compressor Off
Refer to the following figure for an illustration of the
process described in this subsection.
S Se eq qu ue en ncce e o off O Op pe erra attiio on nss