Napoleon HDX35, Installation And Operating Instructions Manual

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3.0 ADJUSTMENT
3.1 FLAME CHARACTERISTICS
It’s important to periodically perform a visual check of the pilot and burner fl ames. Compare them to the
illustration provided. If any fl ames appear abnormal call a service person.
FLAME MUST ENVELOP
UPPER 3/8” (9.5mm) TO 1/2”
(12.7mm) OF FLAME SENSOR
PILOT
BURNER
ELECTRODE
FLAME
SENSOR
3/8” - 1/2”
(9.5mm - 12.7mm)
54.1B
3.2 VENTURI ADJUSTMENT
OPEN
AIR SHUTTER
ADJUSTMENT
CLOSED
Regardless of venturi orientation, 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 be
established.
AIR SHUTTER ADJUSTMENT MUST ONLY BE DONE BY A QUALIFIED INSTALLER!
49.1
8
W415-1451 / A / 07.21.15
EN