3.1
COMMISSIONING THE BOILER
When commissioning the boiler always
make sure that:
– the system has been filled with water
and adequately vented;
– the flow and return valves are fully
open;
– the flue and chimney are free from
obstructions;
– the electrical connections to the mains
and the earthing are correct;
– no flammable liquids or materials are
near the boiler;
– check that the circulating pump is not
locked.
3.2
LIGHTING AND OPERATION
3.2.1 Lighting the boiler
(fig. 7)
To light the boiler proceed as follows:
– check that the “Testing Certificate”
has been removed from inside the
combustion chamber;
– switch on the main switch (1) and
verify that the green LED (3) turns on
to confirm the presence of voltage.The
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 mounted onto the
system, when the system is cold, should
range between 1 and 1.2 bar. If the pres-
sure is less than 1 bar, 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
RONDO' 3/4 OF
ESTELLE 3/4 OF
RONDO' 5/6 OF
ESTELLE 5/6 OF
28
1
2
4
5
3
Fig. 7
KEY
1 Main switch
2 Safety stat
3 Green voltage LED
4 Boiler thermometer
5 Boiler stat
3 USE AND MAINTENANCE
Fig. 8
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GG E 5-6
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Страница 66: ...Via Garbo 27 37045 Legnago Vr Tel 39 0442 631111 Fax 39 0442 631292 ...