L.B. White I-17 Infraconic - Manual (Page 21)

Is
there a
block
age in the
air housing or v
enturi tube?
21
Problem 1 Heater does not light
Is
thermostatic
head set t
o
maximum?
Is the
primar
y orif
ice
plugged on the
Inside or outside?
Turn thermostat
up t
o
Its
maximum
setpoint.
R
emo
v
e
the primar
y burner
oif
ice. Clean with a sof
t brush
or com
pressed air
.
Ye
s
No
Ye
s
Ye
s
Ye
s
Is the inner
combustion cone
plugged?
Is there air or
a block
age in the
gas hose or gas piping?
R
emo
v
e
block
age with com
pressed
air or replace the gas hose or pipe section. Bleed of
f an
y air fr
om the
gas line. Clean the heat
er
.
Clean the heat
er
.
No No No
Is pr
oper
gas pressure
supplied t
o
the
zone panel or
heat
er?
Pr
o
vide 5 PSIG
gas pressure.
Ye
s
No
Are all fuel
supply v
alv
es t
o
heat
er
open?
Open all fuel
supply v
alv
es.
Ye
s
No
Def
ectiv
e
saf
ety contr
ol v
alv
e.
R
eplace the saf
ety
contr
ol v
alv
e.
Ye
s
No
Problem 2 Flame burning beyond outer cone, or lazy flame
Tight
en the
burner nuts.
Ha
v
e
heat
er and
filt
er been pr
operly
cleaned?
Clean the heaqt
er
and f
ilt
er
.
Ye
s
No
Is pr
oper
gas pressure
supplied t
o
the
zone panel or
heat
er?
Pr
o
vide 5 PSIG
gas pressure.
Ye
s
No