Ariston 47-166-32 Manual do utilizador, instruções de instalação e manutenção - Página 37
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Imprimir páginaServicing Instructions
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
. 10.32);
IG
4. Remove the screws "W" from the bottom of the gas valve (F
10.33);
5. Remove the gas valve (F
IG
F
. 10.32
IG
V
V
F
. 10.33
IG
W
F
. 10.34
IG
Supplied By www.heating spares.co Tel. 0161 620 6677
. 10.34).
W
10.5
Access to the Water Circuit
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
2.Disconnect the cable "Y" (F
3.Push the exchanger towards the rear of the boiler, and
lift upwards and remove out of the front of the boiler
(F
10.37-10.38);
IG
4.Before replacing the exchanger ensure that the O-rings
are in good condition and replace if necessary.
F
. 10.35
IG
X
F
. 10.36
IG
F
. 10.37
IG
37
10.35);
IG
10.36);
IG
X
Y