SERVICE INSTRUCTIONS (DO NOT MODIFY THIS APPLIANCE)
18 | Cannon Power Flue
To Replace The Fan Pressure Switch
Switch Control Setting (FIG 36)
To Replace The Room Circulation Fan
1. Remove the fascia. Refer to page 14 of the
installation instructions.
2. Remove the electronic controller. Refer to page
17.
3. Remove the connecting wiring from the pressure
switch.
4. Remove the silicone tubes from the pressure
switch.
5. The pressure switch is secured onto the rear of the
fan chamber housing by two M5 screws. Remove
the screws.
6. Replace the pressure switch. For wiring, one wire
to “C”(Common) and the other to connect to “NO”
(Normally Open). Polarity is not important.
7. Re-attach silicone tubes making sure that the
black tube attaches to the black side of the
pressure switch. Make sure that the tubes are not
pinched or kinked.
8. Test operation of fan pressure switch - turn heater
on low heat. If heater fails to light even when fan is
spinning, refer to the fault codes on page 20.
For NG operation, DIL switch should be positioned in
point ‘1'.
For LPG operation, DIL switch should be positioned in
pointer ‘O’.
For audio beep function, DIL switch should be
positioned in pointer ‘2'.
1. Remove the fascia. Refer to page 14 of the
installation instructions.
2. Remove the electronic controller and ignition
module. Refer to page 17.
3. Disconnect the fan plug from the plug carrier.
Remove the two M5 wing nuts which locate the fan
to the fan chamber underside. Lower fan from
male thread.
4. Disconnect the silicone tubes from the fan
pressure switch. Remove fan from fan chamber.
5. Remove the venturi and bracket from the fan
which was removed from the heater. Insert and
secure the venturi and bracket on replacement fan.
Note: “TOP” should point to air outlet of fan.
6. Insert fan into chamber ensuring that the venturi is
not disturbed. Locate fan onto male thread. Secure
with M5 wing nuts, ensuring rubber buffer locates
over thread.
7. Replace silicone tubes onto fan pressure switch
ensuring that the black tube is connected to the
black side of the pressure switch. Check to make
sure that the tubes are not kinked or pinche. Refer to
.
8. Reconnect fan plug into plug carrier. Test operation
of room circulation fan and fan pressure switch. If
heater fails to light even when fan is spinning, refer
to fault codes on page 21.
FIG 37
FIG 36
Switch Control Diagram highlighting NG/LP settings &
audible beep.
GAS
BEEP
O N
OFF
NG
ON
LPG
1 2
FIG 37
Room Fan
Clear Silicon
Black Silicon Tube
Tube
Summary of Contents for Fitzroy FITZIB-PMEXx
Page 22: ...NOTES 22 Cannon Power Flue...
Page 23: ...Cannon Power Flue 23 NOTES...
