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FlowSol D / D HE
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5. Digital sensors
The pump station is equipped with digital sensors in flow
and return of the station. The digital sensor in the return
measures the temperature and the pressure, the digital sen-
sor in the flow measures the temperature and the flow rate.
In the case of maintenance work or replacement of the
sensors, observe the following steps:
•
remove clip at the digital sensor by pulling it backwards
•
remove defective sensor.
•
insert new sensor and secure with clip
The digital pressure and temperature sensor (return) has an
orifice on one side of the measurement head.
The digital flow rate and temperature sensor (flow) has an
orifice on both sides of the measurement head.
orifice in the
measurement
head
6. Connection
WARNING!
Always disconnect the controller
from power supply before opening
the housing!
The controller is already integrated in the station and ready
to plug in. In the case of maintenance or service work, the
controller is to be taken out from the station. Please pay
attention to the followong steps:
Î
switch off the system, disconnect plug from the mains
Î
remove the front half of the insulation
Î
unscrew the cross-recessed screw off the front cover
and remove it by pulling it upwards
Î
unscrew the lower cross-recessed screw, push the con-
troller upwards and remove it.
Mounting of the controller has to be carried out in reverse
order.
For further information on electrical connection, of
the controller, please see chapter 15.
7. Accessories for the station
For installation screw connections are required, which are
not included in the scope of delivery. Self-sealing double
nipples, solder nipples or clamp-ring connections can be
used. For further information, please see product catalogue.
Note:
Check the fit of the sensor plugs before commis-
sioning the pump station!
