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4. FILLING THE SYSTEM
IMPORTANT:
increase pressure if it is too low.
5. SWITCHING THE BOILER OFF
To shut down the boiler switch off the electrical supply to the appliance.
6. PROLONGED STANDSTILL OF THE SYSTEM. FROST PROTECTION
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
with corrosion and scaling inhibitors).
The electronic management of the boilers includes a "frost protection" function in the central heating system
-
rature drops below 5°C.
The frost protection function is enabled if:
* the boiler is not isolated.
7. SERVICING INSTRUCTIONS AND GAS CHANGE
end of every heating season.
Careful servicing will ensure economical operation of the system.
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.
INSTRUCTIONS PERTAINING TO THE USER
7115344.01 - en
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