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tel.: +44 (0)2891 270 531
1
3
- remove ribbon cable (1), thermistor (2)
5
and motor harness(es) (3), dual motor
assembly pictured here.
4.6 Replacement of Electric Control PCB – AK1849
! Ensure 230V supply is isolated before commencing work on the product.
- it is critical that if removed, the connections for the electric
1
elements (1 & 2) and the electric O/H Stat (3) are replaced in
their pairs in their correct location. If unmarked, they can be
marked as illustrated to help. The unmarked pair are for the
O/H stat.
- firmly detach PCB from solenoid lugs. Grip the
3
board close to the lugs, avoiding the use of
sharp objects such as pliers to prevent the
PCB from becoming damaged.
This data is confidential to Brunswick
Munster Simms Engineering Ltd., 2 Enterprise Road, Bangor, Co Down, BT19 7TA, U.K. – Northern Ireland
fax.: +44 (0)2891 466 421
2
6
3
2
1
Heat Air Room Heater
info@whalepumps.com
- re-assemble connections on the back, then
replace PCB by firmly pushing into place on
solenoid, again holding close to the lugs, and
ensuring side of the PCB is behind the locating
tab. Note – it does not sit flush against the
motor fan unit. Replace connections on the
front to complete.
- remove the electric element and
2
O/H Stat cables from PCB using
long nose pliers.
- be aware that ribbon cable to the Gas
4
PCB will be on opposite face.
- replace PCB by firmly pushing into place
on solenoid and ensuring side of the PCB
is behind the locating tab. Note – it does
not sit flush against the motor fan unit.
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