Napoleon GS50N Installation And Operating Instructions Manual page 46

46
SYMPTOM
Pilot will not light.
EN
PILOT
BURNER
THERMOCOUPLE
Flames are consistently
too large or too small.
Carboning occurs.
Carbon is being deposited
on glass, logs or combustion
chamber surfaces.
White / grey fi lm forms.
Exhaust fumes smelled in
room, headaches.
Remote wall switch is in
'OFF' position; main burner
comes on when gas knob is
turned to 'ON' position.
W415-1427 / A / 09.27.17
PROBLEM
No spark at pilot burner.
THERMOPILE
Out of propane gas.
Spark gap is incorrect.
No gas at the pilot burner.
Unit is over-fi red or underfi red.
A
B
*MAXIMUM INLET PRESSURE NOT TO EXCEED 13"
Air shutter has become blocked.
Flame is impinging on the logs
or combustion chamber.
Sulphur from fuel is being
deposited on glass, logs or
combustion chamber surfaces.
Appliance is spilling.
Wall switch is mounted upside down.
Remote wall switch is grounding.
Remote wall switch wire is grounding.
Faulty valve.
TEST SOLUTION
Check if pilot can be lit by a match.
-
Check that the wire is connected to the push button igniter.
-
Check if the push button igniter needs tightening.
-
Replace the wire if the wire insulation is broken or frayed.
-
Replace the electrode if the ceramic insulator is cracked or broken.
-
Replace the push button ignitor
-
Fill the tank.
-
Spark gap should be 0.150" (3.8mm) to 0.175" (4.5mm) from the
-
electrode tip and the pilot burner. To ensure proper electrode
location, tighten securing nut (fi nger tight plus 1/4 turn).
Check that the manual valve is turned on.
-
Check the pilot orifi ce for blockage.
-
- Replace the valve.
Call the gas distributor.
-
- Check pressure readings:
Inlet pressure can be checked by turning screw (A) counter-
-
clockwise 2 or 3 turns and then placing pressure gauge
tubing over the test point. Gauge should read as described
on the chart below. Check with main burner is operating on
'HI'.
Outlet pressure can be checked the same as above using
-
screw (B). Gauge should read as described on the chart
below. Check that main burner is operating on 'HI'.
AFTER TAKING PRESSURE READINGS, BE SURE TO TURN
-
SCREWS CLOCKWISE FIRMLY TO RESEAL. DO NOT OVER
TORQUE.
Leak test with a soap and water solution.
-
Natural Gas Natural Gas
Pressure
(inches) (millibars)
*13"
17.4mb
Inlet
(MIN. 4.5")
(MIN. 11.2mb)
3.5" 8.7mb
Outlet
Ensure air shutter opening is free of lint or other obstructions.
-
Check that the logs are correctly positioned.
-
Open air shutter to increase the primary air.
-
Check the input rate: check the manifold pressure and orifi ce
-
size as specifi ed by the rating plate values.
Check that the door gasketing is not broken or missing and
-
that the seal is tight.
Check that both vent liners are free of holes and well sealed
-
at all joints.
Check that minimum rise per foot (meter) has been adhered
-
to for any horizontal venting.
- Clean the glass with a recommended gas appliance glass
cleaner.
DO NOT CLEAN GLASS WHEN HOT.
-
If deposits are not cleaned off regularly, the glass may
-
become permanently marked.
Ensure exhaust bracket gasket seal.
-
Check door seal and relief fl ap seal.
-
Check for chimney blockage.
-
Check that chimney is installed to building code.
-
Room is in negative pressure; increase fresh air supply.
-
Check cap gasket on the fl ue pipe assembly.
-
Reverse.
-
Replace.
-
Check for ground (short); repair ground or replace wire.
-
Replace.
-
Propane Propane
(inches) (millibars)
32.4mb
13"
(MIN. 27.4mb)
(MIN. 11")
10" 24.9mb
42.3_2G