SECTION 15: REMOVAL AND REPLACEMENT PARTS
15.6 Ignition Control
The control plugs onto the gas valve. Pull out 12 pin electrical connection. Pull out ignition cable and flame probe cable noting their positions
Release screw securing control to gas valve. Refit in reverse. Ensure correct location of ignition and flame probe cables. Ensure that the earth connection is made directly to the earth point on the gas valve.
15.7 CTCUA Axial Fan/Guard/Motor Assembly
The axial fan unit for the CTCUA heater is supplied completely assembled and balanced.
15.7.1 Fan Removal and Replacement
Remove the screws
and washers.
15.8Fan and Limit Thermostats 15.8.1 Removal and Replacement
1. Pull off the electrical connections to the thermostat
2.Unscrew the two screws securing the thermostat
3.Fit a new thermostat with two screws ensuring that the correct temperature setting and type are selected.
See Page 6, Section 4.3.
4.Reconnect the electrical connections and test operation.
Description | Part Number |
Axial Fan | 11111910 |
Axial Fan | 11111911 |
Axial Fan | 11111920 |
Axial Fan | 11111921 |
Axial Fan | 11111922 |
15.7.2 To Replace the Fan Assembly
To replace the fan assembly, reverse the procedure shown above. Fit rubber washers to the guard mountings to reduce vibration.
•Check that the fan blades are free to rotate before turning on the power to the fan.
•Strictly comply with the colour code of the fan wires to ensure correct operation. See Page 14, Section 9.3 wiring diagram.
•Use only genuine ROBERTS GORDON® replacement parts.
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