Proper use also includes compliance with all information in these
instructions.
Any use extending beyond, or use other than, proper use is consid-
ered improper use.
WARNING!
Danger in the event of improper use!
Improper use of the heat interface unit may result in
dangerous situations.
– Never connect the heat interface unit directly to
a source of heat (e.g. boiler or solar circuit).
– Never use the heat interface unit in one of the
following areas:
– Outdoors
– Rooms susceptible to moisture
– Rooms in which the use of electrical units is
prohibited
– Rooms susceptible to frost
2.3.1.1
Main shut off valve
The ball valves (Fig. 3) are used to shut off circuits at the connection
points.
Fig. 3: Position of the ball valves
1.
2.
Shut the ball valves in the event of a fault or leak.
The ball valve is shut off once the handle is horizontal.
If it is not clear which ball valve needs to be shut off, shut off all
ball valves.
V03 06/2025 Item no. 215250 EA no. 1292
Operating instructions
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