Installation and Service Manual Epsilon-Series
34
OPEN
Opening air box
figure 12.3.b
Removing casing
figure 12.3.a
2
3
1
2
3
1
fan unit and gas valve
figure 12.3.c
figure 12.3.d
10
12.3 Maintenance activities
Required tools:
- Cross head screwdriver
- T-handle key set with 3 bits (hex key 4mm, hex key 5mm and cross head PZ2)
- Open end wrench 8mm
To carry out the maintenance activities please follow the next procedure:
- Switch off the power supply;
- Remove the screw behind the door on the front of the casing (see fig. 12.3.a);
- Lift the casing and remove it towards the front.
The air box
- Remove the transparant air box (see fig. 12.3.b);
- Clean the box with a cloth with a simple (non-abrasive) cleaning agent;
The fan unit and burner cassette (see fig. 12.3.c and 12.3.d)
- Remove the electrical connection plug from the gas valve (1) and fan motor (2);
- Loosen the nut (3) of the gas pipe under the gas valve;
-
Replace the gasket with a new one
;
- Loosen the front cross head screw (4) of the black plastic silencer;
-
Turn the left (9) and right (10) clamp bars with the hex key a quarter turn and pull
these out in a forward motion.
Note the correct turning direction (red indicator,
fig. 12.3.e)
;
- Slightly lift the fan unit and remove it towards the front of the heat exchanger;
2
3
9
4
1
