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14 Isolating the boiler
In some situations it may happen that the entire boiler has to be deactivated. With the function buttons for the
CH program the boiler is put out of service.
+
+
eco
-
-
reset
ATAG recommends to leave the electrical power supply on, so that the circulation pump is activated
automatically once every 24 hours in order to prevent jamming.
If there is danger of frost it is advisable in this case to drain the boiler and/or installation. (See
following chapter)
Installation & Servicing instructions ATAG iR-Range
heating line
CH program OFF: Press – until the lowest value is reached and then press – again. The
display is showing -- and the upper is off.
Switching on with the + button takes place in reverse order.
22
24
26
28
18
16
14
12
8
6
4
1
outside temperature in °C
30
Graph 11.4.a
37
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