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en
I
NTRODUCTION
1.5
Safety instructions
en-10
1.5.1 Safety in use
Warning:
w
Do not put any objects into the inlets and
outlets.
Warning:
w
Do not obstruct the unit's inlets or outlets.
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,.
2. Disconnect the mains supply (switch off the isolation
switch).
3. If you are going to carry out maintenance or repairs on
electrical components: switch the mains supply group off.
H
EAT RECOVERY UNIT
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