Ariston GL 4 Manuel d'installation - Page 8

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3. The cover (C Fig. 3/1) can now be removed by pulling out its left-hand edge.

FIG. 4

Maintenance instructions

Note: Do not attempt to repair this water heater yourself. Call a service person

Periodic maintenance

Note: For most of these operations, the water will have to be drained from the heater.

Draining

1) If the heater has been installed with flexible hoses, shut off the power supply and

turn the heater upside down over a sink to drain the water out of it, OR

the Heater

2) If the heater has been installed with rigid piping, siphon the water out through any

(lower) service valve on the (inlet side). Keep a hot water faucet open while

siphoning the water out, OR

3) If the heater has been installed with flexible hoses, it can also be emptied by

siphoning through the inlet side hose. Keep a hot water faucet open while

siphoning.

When reassembling, work in the opposite way being careful to insert the tongue

of the cover into the slot.

for assistance. Always turn off the power supply to the heater prior to

servicing or draining the heater.

For all of these operations the power supply needs to be shut off and the front

cover removed.

1. Pry off the round cover plate (V Fig. 3/1) from its right hand edge (W

Fig. 3/1) with a small flat-head screwdriver.

2. Remove the Phillips screw revealed beneath the round cover plate.

3. The cover (C Fig. 3/1) can now be removed by pulling out its left-hand

edge. When reassembling, work in the opposite way being careful to

insert the tongue of the cover into the slot.