SERVICING INSTRUCTIONS
REPLACING PARTS
The pilot unit can now be removed by undoing the two screws, Diagram 6
6
AR1445
3.2• Reassemble in reverse order
• Do not overtighten.
NOTE: TAKE CARE NOT TO DISCONNECTTHE SENSOR WIRES OF THE GAZCO FLUE SURE SYSTEM ON REPLACING THE THERMOCOUPLE
4.IGNITION LEAD AND PIEZO
4.1• Follow the above Pilot Unit instruction to access the back of the pilot assembly
•Disconnect the ignition lead from the electrode
•Remove the front cover from the control valve, Diagram 7 and 8
•Disconnect the other end of the ignition lead from the valve body noting the route of the ignition lead
7
AR0915
8
AR0916
•Replace with a new ignition lead following the same route as the old one
Replace the valve cover and the pilot assembly
4.2• Check operation of the new ignition lead.
5.PIEZO
5.1The piezo assembly used on this appliance is not serviceable and is unlikely to fail.
6.GAS VALVE
6.1• Turn the gas supply off at the isolation device, referring to Diagram 9
•Disconnect the 2 x 8mm and 1 x 4mm gas pipe fittings at the back of the gas valve (A)
•Disconnect the thermocouple, (B)
9
|
|
|
| C |
|
|
| B | A |
C | A | A |
| |
| AR0943 |
•Remove the front cover from the control valve, Diagram
10 and 11
10
AR0915
.
18
