1101
Illustrations may differ from actual product
Subject to printing/proofreading errors
1 0
Wiring diagram
Disconnect the plug before service or if the burner is removed
from the boiler.
BLUE
BLUE
BLUE
BLUE
BLUE
BLUE
BLUE
N
2 x 300 W
N
N
X2
L1 B4
S3 T2 T1
X2
N
L1 B4
S3 T2 T1
THERMOSTAT
THERMAL RELAY
ALARM
FEED AUGER
EAR
TH
EAR
TH
EAR
TH
CONTRO
L
SIGNAL
TA
CHOMETER
GENERA
TO
R
EAR
TH
CONTRO
L
SIGNAL
TA
CHOMETER
GENERA
TO
R
BLACK
BLACK
WHITE
BLACK
BLACK
BLACK
BROWN
BROWN
YELLOW
YELLOW
YELLOW
YELLO
W
WHITE
WHITE
WHITE
GREY
PURPLE
BLACK
BLACK
BLACK
BLACK
RE
D
RE
D
BLUE
WHITE
RE
D
YELLOW
BLUE
WHITE
RE
D
BROWN
BROWN
THERMOST
AT
PHASE SUPPL
Y
ALAR
M
THE FAN’S CONNECTOR
(FROM THE CABLE SIDE)
TEMP
START DOSE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1. Connector for supply thermostat, etc. See electrical installation.
230V~ in all conductors.
L1: supply to burner via overheating protection.
B4: connected to boiler thermostat.
S3: alarm signal from burner.
T1: to any safety switch on the combustion chamber hatch.
T2: from any safety switch on the combustion chamber hatch.
2. Cable part of connector. See 1.
3. Suppression capacitor.
4. Connector for boiler temperature sensor.
5. Boiler temperature sensor (accessory).
6. Connector for feed auger,
230V~
.
7. Ignition elements.
8. Current transformer.
9. Transformer for supply to printed circuit board and fan motor.
10. Semiconductor relay with indicator, to control ignition elements.
11. Fan with adapter circuit board.
12. Flame monitoring, photoresistor.
13. Connector for thermal relay in downpipe.
14. Thermal relay in downpipe.
