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Details of the appliance
1.8
Electrical wiring diagram
364
25 V
230 V
153
135
230V/AC
328
L N
Ns
302
mains supply
Fig. 4
4.1
Ignition transformer
4.4
Y-S-module
6
Temperature limiter, heat exchanger
9
Flue gas temperature limiter
32
Flame sensing electrode
33
Ignition electrode
36
Temperature sensor in primary flow
52
Solenoid valve 1
52.1
Solenoid valve 2
56
Gas valve CE 427
61
Reset button
135
Master switch
136
Temperature control for boiler flow
151
Fuse, slow 2.5 A, AC 230 V
153
Transformer
161
Link
226
Fan
8
33
365
4.1
136
310
151
Ls
LR
M
226
4.4
o - orange
61
317
366
312
313
1 2 4 7 8 9
300
161
9
52
300
Code plug
302
Earth connection
310
Function control (Service only)
312
Fuse, slow T 1,6 A
313
Fuse, slow T 0,5 A
317
Digital display
328
Terminal block for AC 230 V Mains supply
363
Indicator lamp for burner
364
Indicator lamp for power supply
365
"Chimney sweep" button
366
Service button
367
No function
bl - black
r - red
363
367
ECO
6
r
r
o
52.1
56
o
36
bl
bl
bl
32
bl
6 720 611 137-03.1O
6 720 611 137 GB (03.02)
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