HR M
ANUAL
I
NTRODUCTION
Manual version 3.0 (10-10-2017)
en-13
en
3. Disconnect the mains supply (switch off the isolation
switch).
4. If you are going to carry out maintenance or repairs on
electrical components: switch the mains supply group off.
5.
For water-heated models:
shut off the central heating feed (if possible).
Warning:
w
The fins of the heat exchanger are sharp.