Installation manual

Supplied By www.heating spares.co Tel. [phone]
22
B005
DOES THE
CIRCULATION PUMP
COME ON?
YES
NO
NO
NO
YES
YES
POWER TO
THE PUMP?
DOES THE
INSUFFICIENT WATER
INDICATOR LIGHT COME
ON? (within
40 sec.)
1) Check for air in the
system
2) Check the pressure switch
for activating pump
3) Check/replace pressure
gauge and refill the
the system properly
1) Turn the boiler off
and then back on
again (safety reset)
1) Check to see if pump is
stuck
2) Replacecirculation pump
1) Check
wiring
2) Check/replace
wire to P.C.B.
3) Replace
power supply
P.C.B.
4) Replace control
P.C.B.
5) Check micro-
switch when hot
water is requested.
A
B