Operating instructions

35
Servicing Instructions
1. Drain the boiler of water;
2. Remove the side panels (see 10.2.3)
3. Remove the overheat thermostat sensor “I” (FIG. 10.17);
4. Remove the clip “J” (F
IG. 10.18);
5. Remove the “U” clip “K” (FIG. 10.19);
7. Pull down the pipe (FIG. 10.20);
4. Pull it straight out (F
IG. 10.21).
10.3.4 Removing the main heat exchanger
Fig. 10.17
I
FIG. 10.18
J
J
FIG. 10.19
K
FIG. 10.20
FIG. 10.21
1. Disconnect the electrical connections “L” and silicone pipes
“M” from their connection points (F
IG. 10.22);
2. Remove screws “N” on the top of the sealed chamber (F IG.
10.23);
3. Lift out the air pressure switch (FIG. 10.24);
4. Unscrew to remove the switch from the plate.
10.3.5 Removing the air pressure switch
FIG. 10.23
FIG. 10.22
M
M
L
N
N
FIG. 10.24