Ariston INTESA TP23, Руководство пользователя

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37
Servicing Instructions
F
IG
. 10.32
V
10.4.2 Removing the gas valve
Important!
Before removing the gas valve, ensure the gas sup-
ply is turned off.
1. Disconnect all the cables from the solenoid and modureg;
2.
Remove the spark generator (see previous section);
3.
Release the nuts “V” (F
IG
. 10.32);
4. Remove the screws “W” from the bottom of the gas valve (F
IG
.
10.33);
5. Remove the gas valve (F
IG
. 10.34).
V
F
IG
. 10.33
W
W
F
IG
. 10.34
10.5 Access to the Water Circuit
F
IG
. 10.35
X
X
F
IG
. 10.36
F
IG
. 10.37
Important!
Before any component is removed, the boiler
must be drained of all water.
10.5.1 Removing the D.H.W. (secondary) exchanger
1.
Remove the screws “X” (F
IG
10.35);
2.
Disconnect the cable “Y” (F
IG
10.36);
3.
Push the exchanger towards the rear of the boiler, and
lift upwards and remove out of the front of the boiler
(F
IG
10.37-10.38);
4.
Before replacing the exchanger ensure that the O-rings
are in good condition and replace if necessar y.
Y