
U
SER
’
S
AND
I
NSTALLER
’
S
M
ANUAL
S
ERVICE
Version: 4.0 (23-08-2007)
53
7
. . Service
7.1
Safety instructions
Danger:
d
Service on the unit may be performed by qualified
technical staff only.
Warning:
w
Before opening the unit, follow the safety instruc-
tions in section
1.4
.
7.2
Access to the interior of the unit
For all models
1. Switch the unit Off using the control panel.
Warning:
w
Disconnect power supply (remove plug from power
point or move isolation switch to Off).
For free-hanging models
2. Remove the inlet grates from the unit:
-
Lift the grate at the bottom and unhook it.