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the air intake slot. Refer page 13, figure 16, of the installation
instructions.
2. 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.
3. Disconnect the silicon tube from the fan pressure switch, rotate the
fan scroll 90° and remove the silicon tube from the venturi located
in the fan scroll. Remove fan from fan chamber.
4. Replacement fan. Remove the blanking piece from the fan scroll.
Remove the venturi and bracket from the fan removed from the
heater. Insert and secure the venturi and bracket on replacement
fan.
5. Insert fan into fan chamber ensuring that the venturi is not disturbed.
Replace silicon tube onto the venturi and locate fan onto male thread.
Secure with M5 wing nuts, ensuring rubber buffer locates over thread.
6. Replace silicon tube onto fan pressure switch and reconnect fan
plug into plug carrier.
7. Test operation of room circulation fan and fan pressure switch - turn
heater on high burner, low fan. The room fan should operate instan-
taneously and a possible 5 - 10 second delay for the fan pressure
switch to energise dependant on room temperature. The burner
should now operate on high setting.
To replace the fan pressure switch
1. Remove the lower fan cover by unscrewing two M5 screws through
the air intake slot. Refer page 13, figure 16, of the installation
instructions.
2. Remove the connecting wiring (3) from the pressure switch.
3. Remove the silicon tube from the pressure switch.
4. The pressure switch is secured onto the rear of the fan chamber
housing by four M4 screws. Remove screws.
5. Replace in reverse order.
To remove the heat exchanger
Please refer to manufacturer. Contact details page 3 of this manual.
To replace the burner and spark/sense electrodes
1. Refer pages 13 and 14, steps 7 to 11, of the installation instruc-
tions.
2. Remove the logs from the burner chamber.
3. Remove the burner chamber front, 4 screws.
4. Disconnect the 16mm nut at the outlet of the gas control.
5. Disconnect the spark and sense electrodes from the ignition (mod-
ule) device.
6. Remove the burner fixing brackets (2) from the RH and LH side of
the burner. Lift the burner assembly upward and carefully remove
from the burner chamber.
7. Replace in reverse order checking location of spark/sense elec-
trodes, refer page 21, figure 37. Spark gap between electrode
and surface of burner is 4 - 6mm. Check for gas tightness. For log
placement refer page 16 of this manual.
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