Table of Contents
Advertisement
Important
When re-assembling the Electronic control/ignition p.c.b.:
7 Fit the p.c.b. into the control panel by first inserting the front
lower edge under the control knob shafts. Lower the rear
edge and ensure that no wiring is trapped beneath.
8 Insert the spindles in the control panel knobs until the notch
A (Figure 10.24) reaches the potentiometer edge. It is not
necessary to force them in the knob.
9 While tightening the screws that fix the Electronic control/igni-
tion p.c.b. on the control panel, keep the p.c.b. towards the
control panel fascia making sure of the contact between the
boiler reset button B and the tab C (Figure 10.24).
A
A
Figure 10 .24
Attention
After installing the Electronic control/ignition p.c.b. :
10 Make sure the c.h. (
justment knobs can move freely for the complete range.
If not, remove the spindle again as described at step 3, turn
the knob half a turn and re-insert the spindle.
11 Operate the boiler and close the gas inlet cock so that the
boiler goes into the safety lock-out state.
Verify the correct operation of the boiler reset button by
pressing and releasing it.
Warning: After cleaning or replacement as detailed
above, if it deemed necessary to undertake a com-
bustion analysis, refer to the appropriate chapter
Maintenance of the installation instructions manual .
ELECTRONIC CONTROL/IGNITION P.C.B.
B
C
) and d.h.w. (
) temperature ad-
- 25 -
Advertisement
Table of Contents
