Baxi Potterton Boiler Wartungshandbuch PDF herunterladen (Seite 12)

912.823.1 - GB

INSTRUCTIONS PERTAINING TO THE USER

To shut down the boiler switch off the electrical supply to the appliance.

IMPORTANT: Regularly check that the pressure displayed by the pressure gauge is 1 ÷ 4 bar when the central

heating system is cold. Open the boiler drain cock to reduce pressure if it is too high. Open the lling cock to

increase pressure if it is too low.

Always open the lling cock very slowly to allow any air to bleed off.

If the pressure in the system drops frequently, contact an authorised service centre to have the system chec-

ked.

We recommend you avoid draining the whole system as raw water makeup will lead to harmful limestone de-

posits inside the boiler and on the heating elements.

In case the boiler is not operated during wintertime and is therefore exposed to danger of frost we suggest you

add some specic-purpose anti-freeze to the water contained in the system (e.g.: propylene glycole coupled

with corrosion and scaling inhibitors).

The electronic management of the boilers includes a “frost protection” function in the central heating system

which operates the burner to reach a heating ow temperature of 30° C when the system heating ow tempe-

rature drops below 5°C.

The frost protection function is enabled if:

* electrical supply to the boiler is on;

* the gas service cock is open;

* the system pressure is as required;

* the boiler is not isolated.

To maintain efcient and safe operation of your boiler have it checked by a Qualied Service Engineer at the

end of every heating season.

Careful servicing will ensure economical operation of the system.

Do not clean the outer casing of the appliance with abrasive, aggressive and/or easily ammable cleaners

(i.e.: gasoline, alcohol, and so on). Always isolate the electrical supply to the appliance before cleaning it (see

section 5 Turning off the boiler).

These boilers are produced for natural gas and can be converted to work with LPG (G 31).

Any gas change must be effected by a Qualiﬁed Service Engineer.

4. FILLING THE SYSTEM

5. SWITCHING THE BOILER OFF

6. PROLONGED STANDSTILL OF THE SYSTEM. FROST PROTECTION

7. SERVICING INSTRUCTIONS AND GAS CHANGE

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Baxi Potterton Boiler Wartungshandbuch Seite 12