To Replace The Control Slide Knob; To Remove The Thermocouple Interrupter Block - Valor Fires 963 Installer And Owner Manual

INSTALLER GUIDE

20.7 To replace the control slide knob.

1. Remove the fascia (See section 20.4)
2. Detach the control slide knob by removing two screws.
3. Replace in the reverse order.
20.8 To remove the electronic ignition generator.
1. Remove the burner unit (See section 20.6)
2. Remove the battery.
3. Remove the spark lead and microswitch leads
remembering to make note of their positions.
4. Unscrew the two fixing screws that attach the
generator unit to the support bracket. The igniter
generator can now be removed (See figure 41).
5. Replace the generator
6. Refit in the reverse order.
20.9 To remove the thermocouple interrupter
block.
(See figure 42).
Figure 41.
1. Remove the burner unit (See section
20.6).
2. Detach the thermocouple from the
interrupter block by unscrewing the
thermocouple nut.
3. Detach the two microswitch leads from the
interrupter block.
4. Remove the interrupter block by
unscrewing from the gas shut-off tap.
5. Refit in the reverse order. If the
microswitch leads cannot be easily attached
to the interrupter block when it is fully
Figure 42.
tightened to the gas shut-off tap, slacken it
and rotate to allow the leads to be fitted. Retighten making sure that the leads remain
in place in the interrupter block. Fit and tighten the thermocouple nut making sure that
the leads are secured in the interrupter block to give a good electrical contact. Do not
over tighten the nut.
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©
Baxi Heating U.K. Limited 2010.