DF M
ANUAL
I
NTRODUCTION
Manual version 3.0 (21-11-2017)
en-9
en
Caution:
c
In exceptional situations, water may run out of the
unit. Therefore, do not place anything under the unit
that could be damaged as a result.
1.5.2 Safety issues relating to installation, mainte-
nance and servicing
Danger:
d
The unit may only be opened by qualified
technical staff.
Warning:
w
Perform the following actions before opening
the unit:
1. Switch the unit off,using the control panel.
2. Wait until the fans have stopped.
Danger:
d
The fans may continue rotating for a while.
3. Allow the unit to cool down.
Caution:
c
The heat exchanger or, as the case may be, the
heating elements, can get very hot.
4. Disconnect the mains supply (remove plug from the power
socket orswitch off the isolation switch).
5.
For water-heated models:
shut off the central heating feed (if possible).
Warning:
w
The fins of the heat exchanger are sharp.