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VENTURI ADJUSTMENT
Air shutter have been factory set open according to the chart
below:
P
3/16"
Adjustments may be required depending on fuel type, vent
confi guration and altitudes.
To access the air shutter, remove the glass ember bed and loosen
the set screw to adjust the air shutter position.
Air shutter adjustment must be done by a
qualifi ed installer!
Closing the air shutter will cause a more yellow fl ame, but can
lead to carboning. Opening the air shutter will cause a more
blue fl ame, but can cause fl ame lifting from the burner ports.
The fl ame may not appear yellow immediately; allow 15 to 30
minutes for the fi nal fl ame colour to the established.
Maximum Input Ratings
GDIG3
24,000
Wolf Steel Ltd., 24 Napoleon Rd., Barrie, ON L4M 0G8 Canada
ADJUSTMENTS
NG
1/8"
P
NG
24,000
FLAME CHARACTERISTICS
It is important to periodically perform a visual check of the pilot
and burner fl ames. Compare them to the illustrations provided.
The distribution of the glass embers over the burner tube will
infl uence the fl ame appearance.
BURNER
ELECTRODE
FLAME
SENSOR
GENERAL INFORMATION
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
on "HI".
AFTER TAKING PRESSURE READINGS, TIGHTEN
SCREWS FIRMLY TO SEAL. DO NOT OVERTORQUE.
LEAK TEST BY BRUSHING ON A SOAP AND WATER
SOLUTION.
B
A
• 1(866)820-8686
PILOT
FLAME MUST ENVELOP
UPPER 3/8" TO 1/2" OF
FLAME SENSOR
PILOT SCREW
W415-1919 / A / 02.01.19
• www.napoleon.com
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