Conventional Flue Instructions

35
Servicing Instructions - Replacing Parts
8.4 Disconnect the other end of the ignition lead from the valve
body noting the route of the ignition lead.
8.5 Replace with a new ignition lead following the same route as
the old one.
Replace the valve cover and the pilot assembly.
8.6 Check operation of the new ignition lead.
9. Piezo
9.1 The piezo assembly used on this appliance is not
serviceable and is not likely to fail.
9.2 If a new piezo is required it will be necessary to change the
valve, see Section 10.
10. Gas Valve
10.1 To remove the valve turn off the gas supply at the
isolation device.
10.2 Remove the main burner, see Section 5.
10.3 From inside the firebox remove the locknut from the injector,
see Section 12.
Small & Midi
10.4 Remove the pilot feed pipe from the pilot unit, see
Section 8.
10.5 Remove the 2 screws at the front of the valve bracket,
see Diagram 28.
Screws
28
10.6 Slide the bracket slightly to the right and pull forward to
access the valve connections.
10.7 Proceed to 10.11.
Medium
Due to limited access to the pilot feed pipe connection at the
pilot unit it is only necessary for this to be removed from the
gas valve.
10.8 Remove the 2 screws at the front of the valve bracket,
see Diagram 29.
Screws
29
10.9 Slide the bracket slightly to the right and pull forward to
access the valve connections.
10.10 Proceed to 10.11.
All Models
10.11 Disconnect the 2 x 8mm and 1 x 4mm gas pipe fittings at
the back of the gas valve, see Diagram 30 (A).
10.12 Disconnect the thermocouple, see Diagram 30 (B).
C
B
A
A
30
10.13 Disconnect the ignition lead from the gas valve,
see Diagram 30 (C)
10.14 Remove the cover, see Section 8.3.
10.15 Undo the 2 screws securing the gas valve to the appliance
and remove the valve.
10.16 Replace in reverse order.
10.17 Check all joints for gas leaks and check operation of the
thermocouple and ignition lead.