425 - Min. Limit Operation
Indicates whether “min. limit operation” is active or inac-
tive as selected in Display 230.
[on] No pumps are switched off if the value falls below the
minimum limit, but a fault is indicated.
[off] The pumps are switched off when the value falls
below the minimum limit, and a fault is indicated.
426 - Hydraulic
Sets the pumps to operate in series or parallel. Always set
to parallel for BoosterpaQs. Only available when the service
code is entered.
427 - Minimum Speed
Only available when the service code is entered.
435 - Min. Pre-pressure
Indicates the minimum pre-pressure fault value entered in
Display 231 (Display 216 [on]).
PUMP STATUS MENU
500 - Examples of Pump Status
The top line indicates the pump number and zone (Zone
“A” set as the factory default).
The bottom line indicates the current operating condition
of the pump.
[I] The pump is running.
[O] The pump is stopped.
[A] There is a fault indication for the pump (see Fault
Indication Menu, Display 600).
[M] The pump is set to max. speed.
[is running] The pump is controlled by the zone settings.
[cascade cont] The pump has been switched off due to
a low performance requirement or the zone has been
switched off via an external stop/stop switch.
[zone is off] The zone has been switch off from the PMU
2000 via the start/stop menu.
[remote off] The pump has been switched off via an exter-
nal start/stop switch connected to the pump or PFU 2000.
[switched off] The pump has been switched off from the
PMU 2000 via the start/stop menu.
[not availabl] No power supply to the pump or the pump
has not been connected to the PMU 2000.
[fault] Other fault which has caused the pump to be
switched off.
504 - Pump Maximum Head
Indicates the maximum head of the pump at maximum
speed and 0 flow (shut-off at full RPM) set in Display 232.
508 - Pump Running Hours
Indicates the accumulated running hours of the pump. The
hours can be changed in Display 233 after periodic mainte-
nance or when a pump is replaced. Eliminates the need for
a hard copy record.
FAULT INDICATION MENU
600 - Examples of Fault Indications
Examples of fault indications for the PFU 2000:
The top line indicates [PFU] and the pump numbers.
The bottom line indicates the time at which the fault
occurred, when it disappeared or whether it still exists.
Under “Alarm,” the last 10 fault indications can be viewed,
sorted by time of occurrence, the latest fault appearing
first.
When the fault condition has been eliminated, reset the
indication by pressing “Enter.”
If “alarm suppression” was set to [on] in the Basic Menu,
the alarm output will be suppressed for 15 minutes by
pressing one of the buttons on the PMU 2000.
The cause of the fault can be:
No voltage supply to the PFU 2000
Defective communication cable between the PFU 2000 and
the PMU 2000
Fault in the PFU 2000 or PMU 2000
[7 8] Fault in the PFU 2000 connected to pumps 7 and 8
[11:59] Time the fault occurred
[13-06] Date the fault occurred [dd-mm]
[13:20] Time the fault disappeared
[14-06] Date the fault disappeared [dd-mm]
[actual] The fault still exists
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