User`s manual

The life of individual components vary and they will need

servicing or replacing as and when faults develop.

The fault finding sequence chart in Section 8 will help to

locate which component is the cause of any malfunction,

and instructions f

or removal, inspection and replacement of

the individual parts are given in the following pages.

To ensure efficient safe operation, it is recommended that

the water heater is serviced annually by a competent per-

son.

Before starting any servicing work, ensure both the gas

nd electrical supplies to the water heater are isolated

and the water heater is cool.

Before and after servicing, a combustion analysis should be

made via the flue sampling point.

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).

All testing and maintenance operations on the water heater

require the removal of the casing.

7.1.1 Removing the front panel :

1. Unlock the two clamps locking A (see Figs. 28);

2. Remo

e the control knobs and the scre

w below

(see

Fig. 29).

3. Remo

e the front panel from the rest of the casing

(see Fig.

30)

.28

6. SERVICING INSTRUCTIONS

FIG.29

FIG.30

7. REPLACEMENT OF PARTS

7.1 To Gain General Access