
1
1
1
1
Fig
Fig
Fig
Part no
2923 119
Part no
2923 125
:7 REPlACIng thE mAIn BuRnER
1.
Remove the burner unit in accordance with Chap. 6:1.
.
Remove the pilot burner in accordance with Chap. 6:6.
.
Slacken the nut on the gas pipe below the main burner
(fig 24 A) and pull the pipe out for a short distance. Then
slacken the nut which holds the main burner (fig 24 B)
with a 17 mm spanner. Remove the main burner.
.
Transfer the angle bracket (fig 23 A), which holds the
pilot burner, on to the new main burner and attach the
pilot burner.
.
Install the main burner and tighten the nut and then the
gas pipe.
.
Fit the spark plug, gas pipe and thermo-element to the
pilot burner.
7.
Fit the burner unit and test-run in accordance with
Chapter 6:1.
:8 REPlACIng thE IgnItIOn CABlE
1. R
emove the burner unit in accordance with Chap. 6:1.
NOTE!
Inlet gas pipes do not always need to be remo-
ved, but if necessary must be pushed to the side to
gain access to the screws. The sensor and overheating
protection do not need to be removed. This saves both
time and unnecessary work.
Carefully press the burner unit down and fold out the
upper edge far enough to allow the pilot burner and
spark plug to be seen.
. First remove the ignition cable from the ignition transfor
-
mer and then from the spark plug and pull it out through
the table opening on the front plate of the burner unit.
. Fit the new ignition cable and connect it to the spark
plug and ignition transformer. Don’t firget the silicone
sleeve.
. Push the burner unit into the boiler and install it in accor
-
dance with Chapter 6:1. Check that the capillary tube
to the boiler thermostat, the temperature limiter and the
ignition cable are correctly aligned, to the right of the
automatic unit, and are not trapped or damaged.
6:9 RePLACING tHe IGNItIoN tRANsFoRMeR
Ignition transformer 2923 119 replaces with 2923 125.
1
. Switch off the main power switch or remove the fuse
on the panel.
.
Remove the lower front plate (see fig 12).
. Pull out the ignition cable (fig 25 A) and connection
cables (fig 25 B) from the ignition transformer. Cut off
both bracket clips (fig 25 C) which hold the ignition
transformer.
. Fit the new ignition transformator and connect the earth
cable (in mounting kit 2923 225) in the screw below (fig
26 A). Drill a Ø 4 mm hole through the control box for
the upper screw (fig 26 B) and thightend the ignition
box.
. Connect the earth cable in the burner unit. If the boiler
already has the earth cable in the wiring loom from the
black ignition transformer, shall it be removed and cut
off (see fig 26 C).
. Connect the cables on the new ignition transformer,
black at left, yellow in the middle and green at the right.
below. Connect the ignition cable (fig 26 D).
7
. Fit the fuse or switch on the main power switch. Light
the boiler, check that the spark ceases when the boiler
has ignited!
8.
Fit the lower front plate (see fig 12).
A
B
B
C
A
C
B
C
A
D
Содержание Comfort 2923
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