Regular Cleaning - Sime RONDO'/ESTELLE 8 Instrucciones De Instalación Y Mantenimiento

burner will start;
– turn the boiler stat knob (5) to a tem-
perature no lower than 60°C. The set
temperature value can be checked on
the thermometer (4).
– set the temperature of the hot-water
service by pressing the thermostat of
the boiler unit (6). The set temperature
value can be checked on the thermo-
meter (7).
3.2.2 Safety stat (fig. 7)
The manually reset safety stat (2) trips to
switch-off the burners immediately when
the boiler temperature exceeds 100°C.
To restart the boiler, unscrew the black
cover and press the button underneath.
If the problem occurs frequently, call an
authorised technical assistance centre
for the necessary checks to be carried
out.
3.2.3 System filling
Periodically check the pressure values
of the hydrometer (13 fig. 2/a) mounted
onto the system, when the system is
cold, should range between 1-1.2 bar (98
and 117,6 kPa). If the pressure is less
than 1 bar (98 kPa), reset the system.
3.2.4 Turnig OFF boiler (fig. 7)
To temporarily turn off the boiler turn
off the electricity supply by pressing the
main switch (1). The following operations
must be carried out if the plant will not
be in use for a lengthy period of time:
– position the main switch of the plant on
off;
– turn the fuel and water taps of the cen-
tral heating plant off;
– empty the central heating plant if there
is danger of frost:
3.3 REGULAR CLEANING
Maintenance of the boiler should be
carried out annually by an authorised
service engineer. Disconnect the boiler
from the electrical supply before ser-
vicing or maintenance is carried out.
3.3.1 Smoke side boiler (fig. 8)
To carry out cleaning of the smoke pas-
sages remove the screws that fix the
door to the body of the boiler and with the
special cleaning brush clean the internal
surfaces and the smoke evacuation tube
well, removing any deposits.
Once the maintenance is compled, the
baffles have to be fitted onto the original
positions. In the ESTELLE ErP BE ver-
sions the maintenance operations can be
carried out without removing the burner.
3.3.3 Disassembly of the casing
(fig. 10)
To disassemble the casing of the boiler,
proceed as follows (fig. 10):
ESTELLE
6
7
2
5 ErP BE - 6 ErP BE
– remove the cover (12) fixed with pin
clutches;
– remove the panel (8) which are fixed to
the sides by pin clutches;
– remove the control panel (9) whose
sides are fixed by four self-tapping
screws;
– remove the back panels (6) and (7)
which are fixed to the sides by ten self-
12
5
11
RONDO'
1
1
9
ESTELLE
3
1
RONDO' 3/4 OF
4 ErP BE
ESTELLE 3/4 OF
RONDO' 5/6 OF
ESTELLE 5/6 OF
Fig. 8
4
9
8
Fig. 10
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