Changing Components - Baxi Combi Instant 80e Installation & Servicing Instructions Manual

Pressure
Switch
L
-'ve
bk
Fig. 45
b
br
Pressure
Switch Wires
Fan Wires
g/y
b
br
H
+'ve
L
Fan and Hood
-'ve
Assembly
Fan
Spring
Washer
Securing Screw
Fan Hood
Sensing
Tubes
H
+'ve
Sensing Tubes
Fig. 46
Spring Clip
Fig. 47
12.0
IMPORTANT: When changing components ensure
that both the gas and electrical supplies to the
boiler are isolated before any work is started.
When the new component has been fitted turn the
selector switch fully anticlockwise against the
spring pressure to position R and hold for 2
seconds to reset the boiler before
recommissioning.
See Section 11.1 "Annual Servicing" for removal of case
panel, door etc.
12.1
1. Note the positions of the two sensing tubes and three
wires and remove them.
2. Remove the two screws holding the pressure switch
to the combustion box top panel.
3. Fit the new pressure switch and reassemble all
components in reverse order of dismantling.
12.2
1. Note the positions of the two sensing tubes on the
outlet elbow and three wires on the fan motor and
remove them.
2. Slacken the screws on the outlet sealing collar.
Ease the collar upwards as far as possible.
3. Remove the four screws securing the combustion
box door and remove the door.
4. Remove the spring clips retaining the air box side
baffle plates. Disengage the tabs on the baffles from the
slots in the fan hood.
Outlet Sealing
Collar
5. Undo the screws securing the fan hood to the
appliance back panel, and draw the fan and hood
assembly forwards.
6. Remove the screws and spring washers securing the
fan to the hood.
7. Fit the new fan to the hood using the screws and
spring washers previously removed.
Baffle
Tab
8. Reassemble in reverse order of dismantling.

Changing Components

Pressure Switch (Fig. 45)
Fan (Figs. 46 & 47)
31