Grundfos Hydro 2000 F - PFU 2000 DIP Switch Settings

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6.3.1 PFU 2000 DIP switch settings
DIP switch setting for PFU 2000:
DIP 1 DIP 2
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Pump number of the first pump of the PFU 2000: 1 OFF OFF OFF
Pump number of the first pump of the PFU 2000: 2 OFF OFF ON
Pump number of the first pump of the PFU 2000: 3 OFF ON OFF
Pump number of the first pump of the PFU 2000: 4 OFF ON ON
Pump number of the first pump of the PFU 2000: 5 ON OFF OFF
Pump number of the first pump of the PFU 2000: 6 ON OFF ON
Pump number of the first pump of the PFU 2000: 7 ON ON OFF
Pump number of the first pump of the PFU 2000: 8 ON ON ON
Pre-pressure/water shortage monitoring
– Pre-pressure measuring (4-20 mA).
– Water shortage monitoring (contact signal).
OFF
ON
ON
OFF
OFF
ON
1. Without a PMU 2000.
1.1 Operation on the basis of EPROM settings
in the PFU 2000.
1.2 Operation on the basis of data stored in the
PFU 2000 RAM.
2. With a PMU 2000.
2.1 Operation on the basis of current PMU 2000
data.
★ON
OFF
OFF
Friction loss compensation
– No friction loss compensation.
– 10% friction loss compensation.
OFF
ON
Discharge pressure
– 0-10 V signal.
– 4-20 mA signal.
OFF
ON
External setpoint influence signal
– No sensor connected.
– 0-10 V signal.
– 4-20 mA signal.
OFF
OFF
ON
This PFU 2000 controls the last pump of the zone: OFF
This PFU 2000 does not control the last pump of the
zone: ON
Number of pumps controlled: 1 OFF OFF
Number of pumps controlled: 2 OFF ON
Number of pumps controlled: 3 ON OFF
Number of pumps controlled: 4 ON ON