S
ERVICE
C
OMFORT
A
IR
C
URTAIN
64
For all models
1
2
2
1. Remove the inspection panel (see section
6.2
).
2. The discharge section has the following connections to the
electronics module (at
1
):
-
The valve drive connections on the printed circuit
board (connectors X140 and X210);
-
The earth connection.
Disconnect these connections.
3. Between the fins of the discharge grille, there are 4 screws
(at
2
): Loosen these.
Caution:
c
Support the discharge section while loosening the screws.
4. The discharge section is now detached: Remove it carefully.
6.7
Venting the heat exchanger
1
For water-heated models only
The air relief valve
1
is located in the upper left of the unit.
6.8
Bleeding the heat exchanger
1
For water-heated models only
The drain plug
1
is located on the left of the unit.
