INSTALLATION TESTING
Sleep Mode Check (Pump Applications)
62
Sleep Mode Check (Pump Applications)
All default settings related to Sleep mode have been calculated for best system performance for most appli
-
cations. However, some well conditions may require a slight adjustment.
During system setup it is recommended to test the Sleep feature by closing a main valve to simulate a no-
demand condition. The system should be running at normal demand, maintaining pressure setpoint, then
flow should be decreased slowly until stopped.
•
If the system does not enter Sleep mode, it may be necessary to increase the
PID Lo Hz Limit [SET–22]
to
ensure that system pressure reaches
PID Setpoint [SET–21]
(plus boost, if enabled).
•
If, during normal operation, the system enters Sleep mode, but cycles on and off rapidly as it nears the
Setpoint, it may be necessary to slightly lower the
PID Lo Hz Limit [SET–22]
to prevent Sleep mode prob
-
lems.
Refer to
“Sleep Mode with Pressure Boost” on page 68
.
Содержание Cerus X-Drive
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