Ariston NEXT SFT 14 Manuel de l'utilisateur - Page 16

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3. installation

IMPORTANT!!

E SURE TO REMOVE THE DISPLAY CABLE FROM THE PCB BEFORE COMPLETELY

REMOVING THE CASING

3.8.8. Wall Mounting

Fix the water heater to the wall using suitably sized screws

using both brackets at high and low level.

3.8.9. Connecting the Heater to the Water and Gas Supplies

Before connecting up the appliance it is necessary to

thoroughly ﬂ ush and purge the water and gas pipes in order to

remove ﬁ lings or other waste from them;

Connect the water heater using the corresponding washers

and connectors which are supplied in the bag of accessories;

Place the casing back on and secure it in place;

Replace the gas knob and the temperature selector knob;

IMPORTANT!!

The maximum inlet water pressure must be limited to 6 bar.

If the water supply is more than 6 bar or subject to pressure

ﬂ uctuations above 6 bar, a pressure limiting valve must be

installed to limit the pressure to 6 bar maximum.

3.8.10. Sealing the Water Circuit

Open the water inlet tap into the appliance by turning the cold

water inlet valve on the heater fully on. Bleed any air from the

water pipes by opening all the taps: hot and cold. Then turn off

all the taps and check for water tightness.

Sealing the Gas Circuit

IMPORTANT!

Test for tightness in accordance with current regulations.

3.8.11. Connecting the Water Heater to the Electrical Mains

The water heater is ﬁ tted with an electrical supply cable for a

220-230V~50Hz mains supply.

It is to be connected to a single phase power supply with an

earth.

In order to protect the heater it is necessary to have a bipolar

switch with a minimum opening distance of 3mm.

IMPORTANT : Whenever carrying out an operation on the

electrical installation of the heater, make sure that the

heater is disconnected from the mains electrical supply

The new power cable is to have the same speciﬁ cations as the

one originally installed in the heater.

The means to isolate the power supply should be easily

accessible.

3.8.12. Purging the Gas Supply

Once all the above checks are complete, it will be necessary

to purge the gas supply of air. Do not under any circumstances

attempt to purge the gas pipe of air by continually pressing the

On/Off button to reset. If it is necessary to do this, you must

wait at least three minutes between each press of the On/Off

button.