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PILOT BURNER ADJUSTMENT
Air shutters have been factory set open according to the chart below:
These setting are for (maximum) horizontal termination.
P
7/16"
Adjustment may be required depending on fuel type, vent configuration and
altitude.
Air shutter adjustment must be done by a qualified in-
Closing the air shutter will cause a more yellow flame, but can lead to
carboning. Opening the air shutter will cause a more blue flame, but
can cause flame lifting from the burner ports. The flame may not appear
yellow immediately; allow 15 to 30 minutes for the final flame colour to be
established.
It's important to periodically perform a visual check of the pilot and burner flames.
Compare them to the illustrations provided.
Wolf Steel Ltd., 24 Napoleon Rd., Barrie, ON L4M 0G8 Canada
All manuals and user guides at all-guides.com
ADJUSTMENTS
NG
5/16"
staller!
VENTURI
AIR SHUTTER
OPENING
ORIFICE
FLAME CHARACTERISTICS
VENTURI ADJUSTMENT
Adjust the pilot screw to provide properly sized flame. Turn in a clockwise
direction to reduce the gas flow.
Inlet pressure can be checked by turning screw (A) counter-clockwise until
loosened and then placing pressure gauge tubing over the test point. Gauge
should read 7" (minimum 4.5") water column for natural gas or 13" (11" minimum)
water column for propane. Check that main burner is operating on "HI".
Outlet pressure can be checked the same as above using screw (B). Gauge
should read 3.5" water column for natural gas or 10" water column for propane.
Check that main burner is operating.
AFTER TAKING PRESSURE READINGS, TIGHTEN SCREWS FIRMLY TO
SEAL. DO NOT OVER TORQUE.
LEAK TEST
B
A
• 1(866)820-8686
PILOT SCREW
W415-2233 / A / 01.17.18
• www.napoleon replaces.com
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