Page
10
PILOT LIGHT & BURNER ADJUSTMENT
Note: The pilot light
on
the appliance
has
been
set at
the
fac
t
ory. A
screwdriver may
be
r
equi
r
ed
for the first lighting to
adjust
the flame.
1.
T
u
rn
off the
gas
supply
valve
and
wait 5 minutes to clear
the
gas.
2.
T
u
rn
a
l
l
burner
control valves
to the "O
FF"
pos
i
tion.
3. Ho
l
d
an ignition source (
ma
tch)
at
t
he pilot.
4.
Open the gas supply
va
l
ve
.
Once the pilot flame
is es
t
ab
l
i
shed,
remove
the
ignition
sou
rc
e.
5.
T
u
rn
the
burn
er
control valves
to
"ON".
If
the pilot
doe
s
no
t
ignite the burners, prompt
l
y, turn
o
f
f
burne
r
control
valve
and
in
crease the size
of
the
p
i
lo
t
flame
.
If
the
pilot
fla
me appears
l
arge
r
than
necessary,
t
urn
it down and
retest
burner
ign
it
i
on. The
pilot flame
should
be as
sma
l
l as possib
l
e
but
l
arge enough
to
guara
nt
ee
reliable
ign
i
t
i
on of the
burners
whe
n
the burner
cont
r
ol va
lv
es
are turned
to
"ON".
Main Burner Adjustment
N
ote:
The pilot burners p
r
ovide ignit
ion
fo
r
the main
burners.
1.
T
o
lig
ht
burner,
turn
burner
control valve
to "ON."
2.
Adjust
f
la
me
h
eight
to des
i
r
ed
p
osi
tio
n
by turning
t
he
burner
contro
l
valve.
3.
T
o turn off, turn
burner
contro
l
va
lv
e
to
"O
F
F"
.
4.
T
o shut
down appliance, turn
off
manual gas supp
l
y
valve.
Main Burner Air Supply Adjustment
Note:
F
or efficient
burner
operation, a proper ba
l
ance
of
gas volume
and
primary air
supp
ly
must be mainta
i
ned which
will
result
in
comple
t
e combustio
n
. Insu
ffici
ent air supply
results
in a
yellow flame. An a
ir
shutte
r
on
the
front of
the burne
r
contro
l
s
the
mixing
of a
i
r
and gas.
1.
Loosen
the
air
shutter reta
i
n
i
ng screws on the
front of the
burner a
n
d
in
crease
th
e a
i
r
in
l
et open
i
ng s
i
ze
to
el
imi
nate the
ye
ll
ow
t
ips o
f
the burner
flame.
2.
Lock t
h
e ai
r
shutter
in place by tighten
i
ng
the screws
.
If
fl
ames are no
i
sy and
pale blue, reduce the
a
i
r openings to
el
imi
nate
the
excess
i
ve mixing a
i
r
i
ntake.
Main Burner Air Supply Adjustment
The main burners should burn with a steady blue flame, and the inner
cone of the flame in each port should be about ¾” long.
Set the supply pressure to deliver the desired flame height& appearance
between 3.75 to 5” WC for Natural Gas and 9.5 to 11” WC for LP.
Yellow Tips –
Too little air or
too much gas
Blowing/Lifting
Flames –
Too much air
Normal Flame
Summary of Contents for 69K-783
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