Ariston EuroCombi Type C A27 MFFI Anweisungen für die Wartung - Seite 3

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SERVICING

INSTRUCTIONS

1.1

Replacement

of Parts

1.2

To Gain General

Access

B029

To ensure efficient safe operation, it is recommended that the boiler is servi-

ced annually by a competent person.

Before starting any servicing work, ensure both the gas and electrical

supplies to the boiler are isolated and the boiler is cool.

Before and after servicing, a combustion analysis should be made via the flue

sampling point (please refer to the Installation Manual for further details).

After servicing, preliminary electrical system checks must be carried out to

ensure electrical safety (i.e. polarity, earth continuity, resistance to earth and

short circuit).

The life of individual components vary and they will need servicing or repla-

cing as and when faults develop.

The fault finding sequence chart in chapter 2 will help to locate which com-

ponent is the cause of any malfunction, and instructions for removal, inspec-

tion and replacement of the individual parts are given in the following pages.

All testing and maintenance operations on the boiler require the control panel

to be lowered. This will also require the removal of the casing.

To dismantle the front part of the casing, proceed as follows:

1. Remove screw "A" (see fig. 1.1);

2. Lift the front panel up and forward (see fig. 1.2).

Fig. 1.1

Fig. 1.2