- 65 -
INST
ALLA
TION
COMMISSIONING
( Fig. 7.36 )
Fig. 7.36
Press buttons
•
or
to display
the "
PM10
" program for selecting the igni-
tion frequency ( Fig. 7.37 ).
Fig. 7.37
In Fig. 7.37 a SET programmed at
90
is dis-
played corresponding to a re-ignition time of
about 3 minutes.
The adjustment fi eld is from 0 to 8 and half
minutes.
Each step increased or decreased corre-
sponds to 2 seconds.
To modify the programmed SET, act on
•
buttons
or
and wait for the
number programmed to fl ash ( Fig. 7.38 ).
Fig. 7.38
To exit programming, press button
•
.
Checking the ignition device
7.14
With the burner on high fl ame close the gas
cock.
After four ignition attempts (about four min-
utes) the boiler does not function and a
code that alternates between the letter
Er
and the writing
reset
appear on the LCD
display, it indicates that the safety lock-out
has stopped the boiler. The display back-
ground fl ashes ( Fig. 7.39 ).
Fig. 7.39
RESET
RESET
Press the reset key on the boiler control
panel 15 to reset its functioning.
Checking the fl ue system
7.15
The fl ue system should be visually checked
