Ariston microSYSTEM 21 RFFI Manuale d'uso - Pagina 15
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- the system pressure is sufficient;
- the boiler is powered electrically;
- gas is being distributed.
4. MAINTENANCE
Schedule an annual maintenance check-up
for the boiler with a competent person.
Correct maintenance always results in
savings in the cost of running the system.
5. CHANGE OF GAS TYPE
Our boilers are designed to function either
with Natural Gas (methane) or LPG gas. If
you need to changeover from one gas to
the other, one of our Authorised Service
Centres should be contacted.
6. TIME CL OCK
A time clock for central heating is available
as an accessory kit and can be mounted
via the knock-out "I". The installation of this
should
only
be
undertaken by a
competent person
and in accordance
with
the
kit
instructions.
I
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