
4.4.2
Lift the ultrasonic receiver out of it’s retaining bracket at the left hand
side of the gas control valve
4.4.3
Disconnect the control wires.
4.4.4
Re-fit the new receiver and re-connect the control wires in reverse
order, replace the receiver unit into it’s cradle at the left hand side of the
gas control valve.
4.5
Removing the Convection Fan.
4.5.1
Remove the burner from the combustion chamber as described in
section 4.1.
4.5.2
Ensure that the electrical supply to the fire is isolated.
4.5.3
Remove the retaining nuts that hold the convection fan assembly to
the base of the combustion chamber, remove electrics cover and
disconnect the wiring from the V module, see figure 56 below.
4.5.4
Lift the convection fan assembly clear, remove fan cover and disconnect
the fan unit, remove screws from underside of fan plate and lift fan unit
clear.
4.5.5
Re-assemble in reverse order.
Fig. 56
4.6
Removing the Pilot Assembly
4.6.1
Isolate the gas supply
47
Electrics cover
Retaining nuts