Slant/Fin VSL-160C Part C - Manual (Page 16)

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A = Left ignition electrode
B = Right ignition electrode
C = Flame detection electrode
Fi gure 14-3 Positioning electrodes on burner
(Use a hand caliper to verify the distances of the
electrodes)
14.4 - Correct
positioning of
the ignition and
fl ame detection
electrodes
For the boiler to work properly the
electrodes must be positioned as
shown in Figure 14-3:

the distance between the ignition
electrodes “A” and “B”, must be
between 0.08 in (2 mm), and 0.10
in (2.5 mm);

the distance of the ignition
electrodes to the burner surface
must be between 0.20 in (5.0 mm),
and 0.22 in (5.5 mm);

the distance of the fl ame detection
electrode to the burner surface
must be between 0.23 in (6.0 mm),
and 0.27 in (7.0 mm).
NOTE: To insure correct
functioning of boiler the distances
listed above shall be verifi ed with a
hand caliper.
14.5 - Domestic
hot water heat
exchanger (only for
160-C model)
The production of DHW takes place
in the secondary heat exchanger,
detail “42” in Figure 3-1. If this heat
exchanger loses effi ciency over
time, it may be necessary to clean or
replace it.
14 - MAINTENANCE