Installation manual

Supplied By www.heating spares.co Tel. [phone]
23
B005
DOES THE FAN
COME ON?
BOILER
SHUTDOWN?
IS THERE POWER
TO THE FAN?
NO
YES
YES
YES
NO
YES
NO
NO
NO
1) Check/replace differential
pressure switch for pump
2) Check/replace wiring
3) Check/replace P.C.B. wire
4) Check/rep lace power
supply P.C.B.
5) Check/replace control
P.C.B.
1)
pressure switch/wiring
2) Check whether reset
button is stuck
3)
detection electrode
Check/replace air
Check/replace flame
1)
2)
3) Check/replace power
supplyP.C.B.
4)
5)
Check/replace wiring
Check/replace
Check/replace control
P.C.B.
Check/replace air
pressure switch
1)Replace fan
1) Reset the boiler
PUMP
SAFETY DEVICE
ACTIVATED?
INTERNAL
SAFETY DEVICE
FOR PCB
ACTIVATED?
B
C
YES
P.C.B. wire