Honeywell VFD CORE Installation Instructions Manual page 237

PUMP MAX
VFD CORE OPERATION
OF FIRST PUMP
STOP PUMP
Fig. 9. Fixed quantity control with PID – Increasing Demand
FREQUENCY
P10-06
PUMP #0
PUMP #X
0 Hz
PUMP 1
PUMP 2
PUMP 3
Fig. 10. Sequence of switching motors at fixed quantity control with PID – increasing demand.
FREQUENCY
DEMAND
(FLOW OR PRESSURE)
TOTAL
OUTPUT
BY DRIVE
PUMP 0
OFF
AC MAINS
PUMP 1
OFF
PUMP 2
AC MAINS
OFF
PUMP 3
PUMP 4
INCREASING DEMAND
P10-05 P10-05
PUMP #0 BY DRIVE
OFF
AC MAINS
OFF
237
CHAPTER 12: DESCRIPTION OF PARAMETER SETTINGS
DEMAND
DEMAND
AC MAINS
OFF
AC MAINS
M33773
P10-05
AC MAINS
OFF
AC MAINS
TIME
M33774
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