Vaillant ecoTEC plus 618 Spécifications télécharger pdf (Page 37)

37Instructions for installation and servicing ecoTEC

7.2 Servicing the burner module

7.2.1 Removing the burner module

The burner module consists of the burner, fan, gas valve

und the gas supply (mixer tube). These four components

make up the complete assembly, the burner module.

Danger!

There is danger of being injured or burnt by the

burner module and at all components carrying

water. Only carry out work on these compo-

nents once they have cooled down.

Proceed as follows to remove it:

• Turn off the boiler

• Isolate the electrical supply to the boiler.

• Remove boiler bottom cover by releasing the two

spring retaining lugs and lowering the rear of the bot-

tom cover.

• Gently pull the bottom cover backwards to remove

from the appliance.

• Turn off the gas service valve.

• Turn off the boiler CH service valves.

• Loosen screw, release the front case spring retaining

clips located beneath the front edge of the appliance.

• Remove the front casing by easing forward the bottom

edge and gently lifting.

• Lower electronic control box.

Fig. 7.1 Dismantling air intake pipe

• Remove screw (2) and remove the air intake pipe (1).

• Disconnect the gas supply (3) on the gas valve. Ensure

the corrugated gas pipe does not twist by holding the

flattened section of the pipe, with an open ended

spanner, whilst loosening the union nut.

Caution!

Damage to corrugated gas pipe!

Under no circumstances must the burner mod-

ule be suspended from the flexible corrugated

gas pipe.

Fig. 7.2 Dismantling burner module

• Disconnect HT lead (5) and earth lead (6) from spark

electrode.

• Remove four nuts (4) from burner manifold.

• Disconnect two electrical connections (7 and 8) from

fan and gas valve.

• Pull forward and remove burner, gas valve and fan

assembly (9) from integral condensation heat

exchanger (10).

Note

You can suspend the burner module on the hook

(11) while carrying out maintenance tasks.

• After removing the thermal compact module, clean

the components as described below.

7.2.2 Cleaning the integral condensation heat

exchanger

Caution!

Protect the electronics box against sprayed

water.

Inspection and maintenance 7

1 2 ... 32 33 34 35 36 37 38 39 40 41 42 ... 55 56

Commentaires sur ces manuels

Pas de commentaire

Vaillant ecoTEC plus 618 Spécifications Page 37

Commentaires sur ces manuels

Produits connexes et manuels pour Chauffe-eau et chaudières Vaillant ecoTEC plus 618