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6. Remove the two fixing screws that attach the
generator unit to the support bracket. The igniter
generator can now be removed (See figure 46)
7. Remove the two leads to the switch and remove
the spark lead. If necessary, mark them to ensure that
they are replaced on to the correct terminals.
8. Replace the generator
9. Refit in the reverse order.
16.12 To remove the complete burner unit.
1. Remove the window frame and window assembly
as in section 16.7.
2. Remove the ceramic fuel effect as in section 16.9
3. Close the isolating valve in the inlet 'T' connector.
Support the inlet 'T' connector to avoid straining the
pipework and disconnect the appliance from the 'T'
connector.
4. Detach the burner unit from the convection box by
removing two screws (See figure 47).
5. Replace in the reverse order.
16.13 To remove the
thermocouple interrupter block
(See figure 39).
1. Remove the burner unit (See
section 16.12).
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 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.
© GDC Group Ltd. 2012
INSTALLER GUIDE
Figure 47. Burner attachment points
Page 43
Figure 46. Removal of
electronic generator
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