AIT HSDV 12.1M3, Руководство по эксплуатации

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Subject to technical amendments without prior notice | 83059300iUK | ait-deutschland GmbH
9.2 Flush and fill the heating and
domestic hot water charging
circuit

Outlet pipe of the safety valve is connected.
► Ensure that the set pressure of the safety valve is
not exceeded.
NOTE
The venting programme on the controller can
also be used to support the flushing and vent -
ing process. It is possible to control individual
recirculating pumps and also the switchover
valve via the venting programme. As a result,
it is not necessary to remove the valve motor.
1. Vent the system at the highest point.
2. Open the vent valve
(①) on the 3-way switching
valve.
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3. Pull off the U-clip (②) on the back of the valve mo-
tor (③) on the switching valve ( ④ ) upwards .
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4. Carefully pull the valve motor (③) forward off the
3-way switching valve (④) .
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5. Turn the spindle of the 3-way switching valve so
that the rounded side of the spindle points in the
direction of marking A of the connections of the
3-way switching valve.
A
B
6. Flush the domestic hot water charging circuit for
approx. 1 minute.
7. Turn the spindle so that the rounded side of the
spindle points in the direction of marking B of the
connections of the 3-way switching valve.
8. Flush heating circuit thoroughly, until no more air
is discharged.
9. Position the valve motor (③) on the 3-way switch-
ing valve (④) .
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