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21
ELECTRICAL DIAGRAM
7
6
1 2
5
4
3
F us e
J 7
S upply card
T S
C
2
1
B ridge
P ink
Bl
a
ck
Wh
ite
Pi
n
k
J 7
S P
P C
P S
Dis play card
S1
ON
S2
ON
1 2 1 2 3 4
Re
d
Re
d
1 2 3
J 6
TS:
Safety thermostat.
SP:
Pressure sensor.
PC:
Heating potentiometer.
PS: Hot water potentiometer.
J6: Telephone relay connector.
J7:
Board-to-board communication connector.
S1, S2:
Boiler model selector.
