Electronic control/ignition p.c.b.
20
A
A
B
C
Fig. 9.12
Attention
After installing the Electronic control/ignition p.c.b. :
11
Make sure the c.h. (
) and d.h.w. (
) tem-
perature adjustment 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.
12
Make sure that the settings comply with the in-
dications given in section 9.5.
13
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 but-
ton by pressing and releasing it.
Warning: After cleaning or replacement as
detailed above, if it deemed necessary to
undertake a combustion analysis, refer to
the appropriate chapter
Maintenance
of the
installation instructions manual.