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10.4 General operating conditions
►
Avoid deposits, accumulated gas and air in the pipe system�
For medium temperatures over 50 °C some parts of the housing can heat
up to over 65 °C�
►
In this case do not touch the unit�
►
Protect the housing against contact with flammable substances and uninten-
tional contact�
►
Do not press the pushbuttons manually; instead use an object (e�g� ballpoint
pen)�
11 Scale drawing