16 | Cannon Fitzroy Inbuilt Power Flue
4. Disconnect the silicone tubes from the fan
pressure switch. remove fan from fan chamber.
5. remove the venturi and bracket from the fan 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 pinched.
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 19.
To Replace Fan Pressure Switch (Refer FIG 36)
1. remove the fascia. refer page 13 of the
installation instructions.
2. remove the screw retaining the bracket mounting
the gas and fan controller (white box). Move
the bracket and controls to the front of the heater.
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.
6. replace the pressure switch. For wiring, one wire to
“C” (common) and the other connect to “nO”
(normally open). Polarity 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 fault codes on page 19.
General
1. Service work MuST be carried out by an authorised
service person only.
2. unplug from wall socket or turn off power at main
switchboard if heater is hard wired.
3. always shut off the gas supply and ensure that
the heater is cool before commencing any
service operations.
4. always check for gas soundness after servicing.
To Replace The Inner Glass
refer page 13 of the installation instructions.
Fit the new glass.
note: Ensure the inside surface of the glass is clean and
free from finger marks.
To Replace The Gas Valve
1. remove the fascia.
2. unplug the cables from the gas control and disconnect
the earth connection.
3. Disconnect the gas inlet (½” compression nut)
connection at entry gas control and the 16mm nut
at the outlet of the gas control.
4. remove the three screws from the cradle retaining the
gas control.
5. remove gas control valve from heater.
6. replace gas control and check for gas tightness.
note: check the gas pressure on high and low burner
settings. refer “gas control”, page 15.
To Replace The Ignition Module (Device)
1. unplug wire connectors from ignition module.
2. remove module mounting bracket by removing
mounting screw.
3. using pliers bend tabs so that module can come away
from the mounting bracket.
4. replace ignition module and ensure that all wires are
reconnected correctly.
To Replace The Room Circulation Fan
1. remove the fascia. refer page 13 of the installation
instructions.
2. remove the front screw retaining the bracket mounting
for the electronic controller and ignition module.
Move the bracket and controls to the front of the heater.
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.
serViCe instrUCtions (Do not MoDify tHis aPPlianCe)
fig 35
Combustion fan
pressure switch
room air
fan pressure
switch
Fan
gas valve
Ignition Module
Electronic controller
