B
18
Manual model PS
4 Service
4.1 Safety instructions
w
Warning:
Service work on the unit may be per-
formed by qualified technical staff only.
Before opening the unit, follow the safety
instructions in Section 1.5.
4.2 Opening the unit
4.2.1 Base module
The base module houses:
- the fan;
- the heat exchanger;
- the transformer with fuse (in some
types).
Remove the inspection panel from the base
module to access these components:
1 Turn the two quarter-turn fasteners 1.
2 Pull 2 the inspection panel about 3 cm
down.
3 Slide 3 the panel towards the discharge
opening.
You may want to remove the inspection
panel in its entirety:
4 Position the panel diagonally in the open-
ing, and remove it from the module.
4.2.2 Electronics compartment
The electronics compartment is located on
the side of the base module. It contains:
- the PCB and the electronic control con-
nections;
- the transformer with fuse (in some
types).
Remove the cover from the electronics com-
partment to access the PCB.