Cantherm EC20 Manuale - Pagina 10
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Stampa la pagina5. Venting is
heater
untilhe
6.
Nozle
is dirty,
lf
clean the
nozle
as
7. Fuel
filter
dirty.
8. Conhol
board is
solenoid
valve.
Using
components.lf proper
9.
Fuel
ontains
water
Heater
igniteq
but
Causes:
1. Fuel
pump
pressure
2.
Nozle
dirty
orwom,
3, Elecbodes
4.
Fuelfilter
is
dirty.
5.
Air damper
sefling
6.
Whirl
disk
dirty or
7, Ducling
is impmper.
8.
Venting
is improper.
9.
Fuel contains
water
Solutions;
1.
Fuel pump
prcssure
of the fuel
pump. Use
a
pump
to set
he
pump
2.Node
dirty
orunm.
enough
use, fuel
or
replace
$e
nozzle
3. Elecbodes
damaged
Check the
electrodes
4.
Fuel
filter
is
dirty.
5.
Air damper
setting
6.
Whirldisk
dirty
or
7.
Ducling is
improper.
8. Venting
is
improper.
I
Frrel
rnnlains
unter
crnfaminenls
\fisrrallvinsncclthcfiralinthntankfnrwatcrnrrnntaminants
llrain
flrrsh
and
ra-fill
tankesnaadod
Fo low
the manufacturer's recommendations conceming
proper
venting, Failure to do so can result in
heat building up in
the
her
mostat
contacts open and shut
he
heater
0fi.
reiches
he
nozzle,
$e
sp|?ly
can be
adversely
afected
and
c€tuse
a shut down. lf possible
obserrre the spray
pattem
and
ded.
tl
e
intemal and extemal fuel
flters.
Clean
or
replace
as
needed.
ctit
e'
For
the heater
to
function,
he
conbol
board must
send proper voltage to three components:
motor,
lransformer
and
mt lti-meter
set to measure voltage,
check
tre
appropriate
control board terminals for proper
voftage out to these
three
tge
to any of these thrce aomponenb
is not
observed,
he
control board
is
defective.
c
lntaminants. Visually
inspect
tre
fuel
in the
tank for
water
bubbles or contaminants.
Drain,
flush, and
refill
as
needed.
Etion
is
p(x'l
or uneven
inconect
gapped incorecfly.
rct.
tned.
co
ntaminants.
in
ored'
The
ou$ut
pressul? of
tre
fuel
purnp
can
be
checked
by
placing a high pressure fuel gauge
into
fre
gauge port
au
p
with enough capacity to
measure
the
high
pressure your particular
heaterian
produce.
Usi
tli
adjustneit
on
the
:e
n.the nozzle using compressed
air. Never use
anything
metal
to clean the nozzle as
his
may enlarge the
orifice.
With
uttder high pressure
hru
the
nozle
odfic€ can
enlarge
tlre
odfice. This is especially tnre
wtren diesel
fuel
is
used.
Clean
ure
to
he
manufacturefs
specifications.
ded.
gitpped inconectly.
Inspect
the elecirode
tips for
melting.
Make sure there are no cracks
in
the
porcelain insulation.
th
e
manufacturer's specifications for gapping and
spacing.
Adjust or replace the electrodes as needed
(page 5/17).
he intemal and extemal
fuet
filters and
clean
or
reolace as
needed.
;l
Use
the manufaciureds
specifications for
the
air
damper setting and adjust as needed. (see
Diagram B,
page
17)
led.
Inspect
the
whirl disk and clean
if necessary. lf
tre
disk
is
waped
or mis-aligned, replace
or adjust
as
needed.
r
the manufacturer's recommendations conceming maximum duct length and
diameter.
t
the manufacture/s guidelines
for venting.