Regular Cleaning - Sime Estelle HE 3 ErP Instrucciones De Instalación Y Mantenimiento

3.2.3 System filling
Periodically check the pressure values
of the hydrometer mounted onto the
system, when the system is cold, should
range between 1 and 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.
ESTELLE
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
6
7
2
11
9
3
positions (ref. ESTELLE HE 3-4-5-6 ErP
models).
The maintenance operations can be car-
ried out without removing the burner.
3.3.3 Disassembly of the casing
(fig. 10)
To disassemble the casing of the boiler,
12
5
RONDO'
1
1
ESTELLE
1
ESTELLE HE
RONDO' 3/4 OF
3-4 ErP
ESTELLE 3/4 OF
ESTELLE HE
RONDO' 5/6 OF
5-6 ErP
ESTELLE 5/6 OF
Fig. 8
4
9
8
Fig. 10
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