17
Subject to change without notice | 83057200dUK – Translation of the original operating manual | ait-deutschland GmbH
7.4 Vent the circulation pump of
the heat source
9
The front panel of the module box is unscrewed.
1. Place vessel for collecting discharging liquid un-
der the outlet.
2. Undo screw-on cap in the middle of the circula-
tion pump.
NOTE
The hose connectors are not part of the
scope of delivery with all KFE ball valves.
3. Wait until liquid is discharged uniformly.
4.
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5. Dispose of collected liquid according to the local
regulations.
6. Set system pressure to 1 bar.
7. Screw the front panel of the module box.
7.5
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domestic hot water charging
circuit
9
Drain pipe of the safety valve is connected.
9
The front panel of the module box is unscrewed.
Ź
Ensure that the set pressure of the safety valve is
not exceeded.
1.
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-
WRU
2.
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ZD\FKDQJHRYHUYDOYH
3. Turn the spindle of the 3-way changeover valve so
that the rounded side of the spindle points in the
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3-way changeover valve.
A
B
4. Flush the domestic hot water charging circuit for
approx. 1 minute.
5. Turn the spindle so that the rounded side of the
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connections of the 3-way changeover valve.
6. Flush heating circuit thoroughly, until no more air
is discharged.
7.
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-
RYHUYDOYH
8.
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-
tor.
