SERVICING INSTRUCTIONS
REPLACING PARTS
5. ODS PILOT UNIT
Note: The pilot unit on the appliance is a non serviceable unit due to the complex nature of its manufacture. Replacement of the complete unit must be carried out if one of the following items becomes faulty:
Pilot injector Ignition electrode Thermocouple
5.1Carry out operations (a) to (d), Section 4.
5.2Gently pull the ignition lead off the electrode. See Diagram 5 arrow A.
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5.3Remove the two screws securing the pilot assembly. See Diagram 5 arrow B.
5.4Undo the thermocouple connection at the back of the gas valve. See Diagram 6 arrow A.
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5.5Replace with a new pilot assembly. Set the spark gap. See Diagram 7.
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5.6After reassembly, check for gas soundness and carry out a flame failure functional check details in the flow chart, especially the mag drop out time.
6.GAS VALVE
6.1Turn the gas supply off at the isolation device.
6.2Disconnect the 2x8mm and 1x4mm gas pipe fittings at the back of the gas valve and also disconnect the thermocouple, see Diagram 8 arrow B.
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6.3Undo the single screw that secures the left hand side of the control cover, see Diagram 9.
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