4
W415-1002 / 01.25.11
Air Shutter Openings
LP
1/16”
NG
1/32”
This appliance has an air shutter that has been factory set open according
to the chart below:
Regardless of venturi orientation, 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 color to be established.
AIR SHUTTER ADJUSTMENT MUST ONLY BE DONE BY A QUALIFIED
INSTALLER!
AIR
SHUTTER
OPENING
VENTURI
BURNER
ORIFICE
49.1
Tear the embers into pieces and place along the burner ports covering all of the burner. Care should be taken
to shred the embers into thin, small irregular pieces as only the exposed edges of the fi bre hairs will glow. The
ember material will only glow when exposed to direct fl ame; however, care should be taken to not block the
burner ports.
Blocked burner ports can cause an incorrect fl ame pattern, carbon deposits and delayed ignition. Phazer
TM
logs glow when exposed to direct fl ame. Use only certifi ed "glowing embers" and Phazer
TM
logs available from
your Napoleon® dealer.
2.5 GLOWING
EMBERS
It’s important to periodically perform a visual check of the pilot and burner
fl ames. Compare them to the illustrations provided. If any fl ames appear abnor-
mal call a service person.
54.3
3.0 ADJUSTMENT
3.1 FLAME
CHARACTERISTICS
3.2 VENTURI
ADJUSTMENT
Summary of Contents for B19NL
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