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SENS 20
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SEN 1 (...5) / Sensor type
Selection: Pt1000, KTY, Pt500
(S5: Pt1000, KTY, Pt500, V40)
Factory setting: Pt1000
GFDS
Measuring range of the Grundfos Direct Sensor
TM
Adjustment range: 1-12, 2-40, RPS
Factory setting: OFF
VIMP / Impulse rate of the V40
Adjustment range: OFF, 0.5 … 100.0 l/imp
Factory setting: OFF
FLOW / Impulse rate of the Flowrotor
Adjustment range: OFF, 20, 25, 32
Factory setting: OFF
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Sensors
The sensor type can be selected for the sensor inputs S1 to S5.
The measuring range or the impulse rate respectively can be adjusted for the sen-
sor inputs Grundfos Direct Sensor
TM
, Flowrotor and V40.
Note:
To deactivate the Grundfos Direct Sensor
TM
, the functions using this sensor
have to be deactivated rst.
OFF S5 = V40
22
OK
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21 21
Flow rate monitoring
The ow rate monitoring function can be used for detecting malfunctions that im-
pede the ow rate and for switching off the corresponding store. This will prevent
system damage, e. g. through a dry run of the pump.
If the allocated relay is energised, the ow rate will be monitored at the allocated
sensor. An error message will appear when no ow rate is detected at the allocated
sensor after the delay time has passed.
If the shutdown option has been activated for the ow rate monitoring function, the
store being loaded will be blocked for any further loading until the error message
has been acknowledged. The next store free for loading will be loaded instead, if
possible. When the error message has been acknowledged, the monitoring function
will be active again.
Note:
If the ow rate sensor used is removed, ow rate monitoring will be de-
activated.
OFLOW 21
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DELAY / Error message delay
Selection: 1 … 600 s
Factory setting: 30 s
SHUTD / Shutdown
Selection: ON / OFF
Factory setting: ON
REL / Reference relay
Selection: 1 … 3
Factory setting: 1
SFLOW / Flow rate sensor
Selection: V40, VFS, FLOW
Factory setting: -
OFLOW
Flow rate monitoring option
Selection: ON / OFF
Factory setting: OFF
OK
OFF ON
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