Bosch NGM8056UC Manual Del Usuario página 16

Check the Installation
Place each correct sized burner cap in its seated,
notched position and check the operation of the electric
igniters. Check flame characteristics. Flame should be
blue with a minimal yellow tip on the outer cone of the
flames.
Checking Flame Characteristics
Yellow Flames:
Further adjustment is
required.
Yellow Tips on Outer
Cones:
Normal for LP Gas
Soft Blue Flames:
Normal for Natural Gas
Note: If the flame is completely or mostly yellow, verify
that the regulator is set for the correct fuel. After
adjustment, retest.
Some yellow streaking is normal during the initial start-
up. Allow unit to operate 4-5 minutes and re-evaluate
before making adjustments.
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