I
NTRODUCTION
10
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Warning:
The top of the unit may get hot.
1.4.2 Installation, maintenance and service
d
Danger:
The unit may be opened by qualified technical staff
only.
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Warning:
Perform the following actions before opening the
unit:
1. Switch the unit OFF.
2. Wait until the fans have stopped. Allow the unit to cool
ç
down.
The heating can get very hot. Also, the fans may keep on
rotating for some while.
3. Disconnect power supply (remove plug from socket or
move main switch to OFF).
4. Close CH supply (if possible).
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Warning:
The fins of the heat exchanger may be sharp.
F
C
U
AN
OIL
NIT