71
A
B
C
D
E
A
Mains filter
B
Contactor
C
Flue gas temperature sensor
D
Boiler water temperature sen-
sor
E
Air pressure switch 2
a-Ö
To the fan
fÖ
Power supply 120 V~/60 Hz
fÖ
/
aBH
Control unit
gD
Flue gas damper to
a-Ö
burner
control unit
Connection diagrams
Mains filter unit connection diagram
5794 780 GB