Ignition And Detection Electrodes, Burner And Spark Generator; Function; Removal Of The Ignition And Detection Electrodes; Removal Of The Burner - Biasi RIVA ADVANCE HE M110B.24SM/C Service Manual

18 Ignition and detection electrodes,
burner and spark generator
18.1

Function

Three electrodes are fitted on the fan---burner group.
Two of them, fitted on the right side of the fan---burner
group A, are the ignition electrodes B and are con-
nected to the spark generator C.
On the left side is the detection electrode D and it de-
tects the presence of the flame.
K
B
I
D
I
K
H
Fig. 18.1
The burner E is fitted on the rear of the fan---burner
group A.
38
J
A
I
J
F G
C
E
Fig. 18.2
18.2
Removal of the Ignition and detection
electrodes
Warning: isolate the boiler from the mains
electricity supply before removing any
covering or component.
1 Remove all the case panels and the sealed
chamber lid (see section 2) .
2 Disconnect the ignition electrodes connector F
and the earth wire G from the spark generator C
(Fig. 18.1) and disconnect the detection elec-
trode connector H.
3 Unscrew the screws I and remove the ignition
electrodes B and the detection electrode D
(Fig. 18.1).
4 Assemble the Ignition and detection electrodes
carrying out the removal operation in reverse or-
der.
When reassembling the ignition electrodes be sure
to connect correctly the wires to the spark genera-
tor (see Fig. 18.3)
ignition electrodes
wire
Fig. 18.3
18.3

Removal of the burner

Warning: isolate the boiler from the mains
electricity supply before removing any
covering or component.
1 Remove the air box and the fan (see section 17.2)
2 Remove the Ignition and detection electrodes
(see section 18.2).
earth wire
C