Ariston microGENUS 23 MFFI Servicing Instructions - Page 3

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Also for Ariston microGENUS 23 MFFI: Installation Instructions Manual (25 pages), User Manual (24 pages), Servicing Instructions (28 pages)

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SERVICING INSTRUCTIONS

To ensure efficient safe operation, it is recommended that the

boiler is serviced 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).

1.1

EPLACEMENT OF

The life of individual components varies and they will need

servicing or replacing as and when faults develop.

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

which component is the cause of any malfunction, and instructions

for removal, inspection and replacement of the individual parts are

given in the following pages.

1.2

AIN

ENERAL

All testing and maintenance operations on the boiler require the

control panel to be lowered. This will also require the removal of

the casing.

Removing the front panel

1. Loosen the fastening screws "A" of the control panel located on

the lower part of the panel itself. (F

. 1.1

19.eps

. 1.2

13.eps

B063

ARTS

CCESS

. 1.1);

14.eps

. 1.3

2. The control panel moves downward and when pulled forward,

rotates on two lateral hinges; the panel stays in a semi-

horizontal position, which allows access to the inner parts of

the boiler (F

. 1.2);

3. In order to increase the manouvering space, it is possible to

raise the control panel and rotate it to a fully horizontal position

. 1.3);

4. Remove the screws "B" from the front panel bottom lip

. 1.4);

5. Lift the front panel from the raised screws at the the top of the

casing (F

. 1.5).

. 1.4

16.eps

FO016A/15.eps

. 1.5