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Subject to technical amendments without prior notice | 83070100bUK | ait-deutschland GmbH
5. Pull the valve motor
(③)
forward carefully from the
3-way switching valve
(④)
.
4
3
6. Turn the spindle of the 3-way switching valve so
that the rounded side of the spindle points to-
wards marking A of the connections of the 3-way
switching valve.
A
B
7. Flush the domestic hot water charging circuit for
approx. 1 minute.
8. Turn the spindle so that the rounded side of the
spindle points towards marking B of the connec-
tions of the 3-way switching valve.
9. Flush the heating circuit thoroughly, until no more
air is discharged.
10. Position the valve motor
(③)
on the 3-way switch-
ing valve
(④)
.
4
3
11. Insert the U-clip
(②)
on the rear of the valve mo-
tor
(③)
.
2
12. Ensure that the U-clip has latched into position
correctly:
The valve motor must sit securely on the 3-way
switching valve
Both prongs of the U-clip must sit on the lug
You must be able to see no more than approx.
2 mm of the tips of the U-clip
13. Close the vent valve
(①)
on the 3-way switching
valve.
9.3
Flushing, filling and venting the
domestic hot water tank
IMPORTANT
Before flushing and filling the domestic hot water
tank, the outlet pipe of the safety valve must be con-
nected. The set pressure of the safety valve must not
be exceeded.
1. Open the domestic cold water inlet valve on the
domestic hot water tank.
2. Open the domestic hot water valves on the taps.
3. Flush the domestic hot water tank until air is no
longer discharged from the valves on the taps.
4. Close the domestic hot water valves on the taps.
