Cleaning The Burner And The Combustion Chamber; Final Operations; Checks; Checking The Smoke Duct - Sime BRAVA ONE HE 25 Manual De Instalación Y Mantenimiento

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– loosen the clips (6) and extract the air inlet pipe (7)
– unscrew the swivel joint (8)
– extract the connectors (9) from the fan and disconnect the
electrode cable (10)
10
9
– Unscrew the four nuts (11) securing the combustion cham-
ber door (12)
– pull the fan-sleeve-door assembly (13) forwards and remo-
ve it.
12
11
13
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m
4.3.2
The combustion chamber and the burner do not require any
particular maintenance. Simply brush them with a soft brush.
4.3.3
After having cleaned the combustion chamber and the burner:
6 – remove any carbon residue
– check the state of the ignition/detection electrode and re-
– check that the seal and the insulation of the door (12) to the
– refit the assembly by carrying out the same operations for
7
– reconnect the connections to the fan and the electrode.
4.4
6
4.4.1
It is recommended that the user checks that the combustion
air inlet duct and smoke outlet duct are integral and airtight.
8
4.4.2
It is recommended that the expansion vessel on the water side
is drained and that the prefilling pressure is not less than 1
bar
(see sectionExpansion vessel".
Once the checks described above have been completed:
– refill the boiler as described in section "REFILL operations"
– check that the siphon has been filled correctly
– activate the "Chimney sweep function" and carry out a
Fig. 38
– refit the front panel securing it with the two screws which
4.5
If replacing the electronic board , the user MUST set the para-
meters as indicated in the table.
Type
11
Fig. 39
CAUTION
Work carefully when removing the assembly (13) to pre-
vent any damage occurring to the internal insulation of
the combustion chamber and the door seal.
Cleaning the burner and the combustion
chamber

Final operations

place if necessary
combustion chamber are integral. Replace if necessary
removal but in the reverse order and tighten the screws (11)
of the door to the combustion chamber

Checks

Checking the smoke duct

Checking the expansion vessel pressure

. If this is not the case, pressurize it to the correct value
smoke analysis and/or measure the combustion efficiency
were removed previously.

Unscheduled maintenance

No. Description
Index showing boiler power
tS 0.1 in kW
1 =25; 2 = 30
Hydraulic configuration
0 = rapid
1 = hot water tank with
tS 0.2 thermostat
2 = hot water tank with
sensor
3 = two programmer
Gas Type Configuration
tS 0.3
0 = G20; 1 = LPG
Combustion configuration
0 = sealed chamber with
tS 0.4 combustion control
1 = open chamber with
smoke thermostat
Setting for Brava
One HE
25 30
1 2
0
0 or 1
0
77