Electronic control p.c.b.
23
p.c.b. towards the control panel fascia making
sure of the contact between the boiler reset but-
ton
B
and the tab
C
(Fig. 38).
A
B
C
Fig. 38
Attention
After installing the Electronic control p.c.b. :
10
Make sure the c.h. ( ) and d.h.w. ( ) tempera-
ture 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.
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 but-
ton by pressing and releasing it.
Warning: After cleaning or replacement as
detailed above refer to section
Combustion
analysis check
in the chapter
Maintenance
of
the installation instructions manual.
Summary of Contents for RIVA PLUS M90S.24S
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