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Is
There a
Block
age in the
Pilo
t Brack
et?
20
Pr
ob
le
m
11
Pi
lo
t WW
ill
N
ot
LL
ig
ht
Is
Thermostat
Set A
bo
ve R
oom
Te
m
perature?
Is the
Pilo
t Orif
ice
Plugged on the
Inside or Outside?
Turn Thermostat
Up t
o Its
Maximum Setpoint.
Clean the Pilo
t Orif
ice b
y either:
A.
Utilizing the Pilo
t Clean-Out De
vice
OR
B. Use a Sof
t Brush or Com
pressed
Air
. If Orif
ice canno
t be Cleaned,
R
eplaced it.
Ye
s
No
Ye
s
Ye
s
Ye
s
Ye
s
Is the
Pilo
t Brack
et
Misaligned or Damaged?
R
ealign or R
eplace
the Brack
et.
Is the Inner
Combustion Cone
Plugged?
Is There Air or
a Block
age in the
Gas Hose or Gas Piping?
R
emo
ve
Block
age with Com
pressed
Air or R
eplace the Gas Hose or Pipe
Section. “Bleed” Of
f an
y Air fr
om the
Gas Line.
Clean the Inner Cone Accor
ding t
o the Cleaning
Methods as Prescribed in the Owner's Manual.
R
emo
ve
the Block
age
Accor
ding t
o the Cleaning
Methods as Prescribed in the Owner’s Manual.
No
No
No
No
Is Pr
oper
Gas Pressure Supplied t
o the
Zone Panel or
Heat
er?
Pr
ovide 5 PSIG
Gas Pressure.
Ye
s
No
Are all F
uel
Supply V
alv
es t
o
Heat
er Open?
Open All F
uel
Supply V
alv
es.
Ye
s
No
Def
ectiv
e or W
eak
Pilo
t Saf
ety Contr
ol
Valv
e. R
eplace the
Pilo
t Saf
ety Contr
ol
Valv
e.
Ye
s
No
Содержание I17
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