To Remove The Receiver Box; To Remove The Thermocouple Interrupter Block; To Replace The Burner - Valor 762 Installer And Owner Manual

INSTALLER GUIDE

18.8 To remove the receiver box.

1. Slide the receiver box out of its support bracket.
2. Remove the electrode 'SPARK' lead.
3. Remove the wiring block from the side of the receiver box.
4. Unscrew and remove the yellow coded switch wire and red coded thermocouple
wire.
5. Refit in reverse order. Please note that the yellow and red wire positions are
marked with coloured spots on the valve body.

18.9 To remove the thermocouple interrupter block.

(See figure 32).
1. Remove the burner unit (See section 18.6).
2. Detach the thermocouple from the interrupter block by unscrewing the
thermocouple nut.
3. Detach the two leads from the interrupter
block making sure to pull on the base of the
tabs and not the leads. It is important that
when replacing the leads that the lead with
the larger tag (From the receiver) is furthest
away from the valve body.
4. Remove the interrupter block by
unscrewing from the gas shut-off tap.
5. Refit in the reverse order. If the 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
Figure 36. Burner clamping plate
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 thermocouple nut.

18.10 To replace the burner.

1. Remove the burner unit (See section
18.6).
2. Unscrew and remove the burner
clamping plate from the upper right hand
side of the burner. Remove all three screws
for ease (See figure 36).
3. Unscrew and remove the injector cover
plate from underneath the burner (See
figure 37).
Figure 37. Injector cover plate.
©
Page 39
GDC Group Ltd. 2013