Ariston 47-116-33 Benutzerhandbuch, Installations- und Wartungsanweisungen - Seite 37

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Servicing 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);

4. Remove the screws "W" from the bottom of the gas valve (F

10.33);

5. Remove the gas valve (F

. 10.32

. 10.33

. 10.34

Supplied By www.heating spares.co Tel. 0161 620 6677

. 10.34).

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

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

10.37-10.38);

4.Before replacing the exchanger ensure that the O-rings

are in good condition and replace if necessary.

. 10.35

. 10.36

. 10.37

10.35);

10.36);