23
Subject to change without notice | 83057000jUK – Translation of the original operating manual | ait-deutschland GmbH
12.2
Manually unblock the
circulating pumps
Circulating pumps can block due to sediments or lon
-
ger standstill periods. This blockage can be removed
manually.
Release the blockage of the heat source
circulation pump
1. Unscrew the front panel of the module box.
2.
Undo deflating screw
(
①
) in the middle of the cir-
culation pump of the heat source.
3. Insert a screwdriver into the opening and release
the blocked shaft in the direction of rotation of the
circulating pump.
4.
Reinsert and tighten the deflating screw
(
①
).
5. Screw the front panel of the module box.
Release the blockage of the heating
circulating pump
►
Insert the screwdriver into the hole (
①
), press the
plunger in the circulating pump against the shaft
and release the blocked shaft in the direction of
rotation of the circulating pump.
13 Dismantling and Disposal
13.1 Dismantling
Unit is safely disconnected from the power supply
and protected against being switched back on
again.
►
Collect all media safely.
►
Separate components by their materials.
13.2 Disposal and Recycling
►
Dispose of media harmful to the environment
according to local regulations, e.g. antifreeze
mixture, refrigerant.
►
Recycle or ensure proper disposal of unit
components and packaging materials according
to local regulations.
13.3
Removal of the buffer battery
1.
Use a screwdriver to push out the buffer battery
on the processor board of the control
2.
Dispose of the buffer battery according to local
regulations.
