L.B. White CP155, Инструкция и руководство пользователя

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Fan Runs, Heater Does Not Light.
Ye
s
Do Air Proving
Switch Cont
act
s
Close?
No
No
No
No
No
Open fuel Supply
V
aves to Heater .
Ensure Switch
Arm is Not
Binding,or
Replace Air
Proving Switch.
Ye
s
Ye
s
No
No
No
Provide Proper
Gas Pressure to
Heater Inlet.
Determine Cause of Switch
Cont
act
s Opening. Check for:
Proper V
olt
age, Blockages at Air
Inlet
s or Outlet, Loose Fan, or
Low Fan S
peed.
If Good, rep
alce Backflash
Switch.
Ye
s
Ye
s
Ye
s
Is
the Fuel Supply
Opened?
Is Proper
Gas Pressure
Supplied?
Are the
Backflash Switch
Cont
act
s
Closed.?
Ye
s
Does Gas
Solenoid V
alve Open?
Is Proper
V
olt
age
Supplied to
Gas V
alve?
Defective Wires or
Connections. If Good,
Rplace Ignition Control.
Defective Gas V
alve.
Replace Gas V
alve.
Does Ignitor
S
p
ark?
Is Igniter High V
olt
age
Lead Connected?
No
Connect High V
olt
age
Lead
Is Ignitor Properly
Gapped?
Check Igniter Gap
Regap to .10 in.
Ye
s
A. Check High V
olt
age Lead
For Continuity and T
ight
Connections. Replace if Defective.
B. Defective, Improperly
Gapped, or Dirty Igniter
,
Replace, Regap, or
Clean
Igniter
.
C. Rep
alce Ignition Control
Module.
Is Ignitor
Positioned
Properly?
No
Reposition
Igniter
.
(See Service
Instructions)
23
TRADESMAN HEA
TER
Problem