Ariston microSYSTEM 10 RFFI Manual de instruções de instalação - Página 19
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5.1
C
HANGING THE
T
G
YPE OF
AS
6.
MAINTENANCE
The boiler can be converted to use either methane (natural) gas (G20)
or LPG (G30 - G31) by an Authorised Service Centre.
The operations that must be performed are the following:
1. Replace the jets on the main burner (see table in section 5);
2. Pay attention to put the gas restrictor if convert the boiler from NG to
GPL and to take it out when pass from LPG to NG;
2. Adjust the maximum and minimum thermal capacity values for the boiler
(see table in section 5);
3. Replace the gas rating plate;
4. Adjust the maximum thermal power setting;
5. Adjust the soft-light feature (open the cover of the regulation screw on the
gas valve (see F
installation requirements).
It is recommended that the following inspections be carried out on the boiler at
least once a year:
1 -
Check the seals for the water connections; replace any faulty seals.
2 -
Check the gas seals; replace any faulty gas seals.
3 -
Visual check of the entire unit.
4 -
Visual check of the combustion process or analysis of combustion by-products
(see section 4.5) and cleaning of the burner if needed.
5 -
If called for by point. 3, dismantling and cleaning of the combustion chamber.
6 -
If called for by point. 4, dismantling and cleaning of the burner jets.
7 -
Visual check of the primary heat exchanger:
- check for overheating in the blade assembly;
- clean the exhaust fan if needed.
8 -
Adjustment of the flow rate of the gas: flow rate for lighting, partial load and full load.
9 -
Check of the heating safety systems:
- safety device for maximum temperature (overheat thermostat);
- safety device for maximum pressure (safety valve).
10- Check of the gas safety systems:
- safety device for lack of gas or flame ionisation (detection electrode);
- safety device for gas cock.
11- Check of the electrical connection (make sure it complies with the instructions
in the manual).
12- General check of the combustion by-products of the discharge/ventilation system.
13- Check of the general performance of the unit.
19
. 5.1). Rotate clockwise from min. to max. as per
IG
F
. 5.1
IG