Maintenance; Change Of Gas Type; Time Clock - Ariston MicroCombi 23 MFFI User Manual

4. MAINTENANCE

Schedule an annual maintenance
check-up for
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.
the boiler with

6. TIME CLOCK

a
N : the time clock is for central
OTE
heating control only.
The time clock is provided with 96
switches, called riders, each of which
covers a time interval of 15 minutes
(four per hour).
When a rider is switched from the
inside (off setting) to the outside of the
UT011Ap
15