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BURNER ADJUSTMENT– VGSB5152
Each burner is tested and adjusted at the factory prior to shipment; however, variations in the local gas supply may make it
necessary to adjust the burners. The flames of the burners should be visually checked and compared with flame height
illustration.
Flames should be blue and stable with no yellow tips, excessive noise or lifting. If any of these conditions exist, check if the air
shutter or burner ports are blocked by dirt, debris, spider webs, etc. With a proper flame height, adjust the air shutter to
obtain a blue flame with no yellow tipping that sits on the burner at the burner ports. The air shutter is locked in place by a set
screw which must be loosened prior to lighting the burner for adjustments.
To access the air shutter on the side burners, remove the grates, burner bowls, and grate support. With a screw driver, loosen
the lock-screw on the face of the air shutter. Light the burner and adjust according to the directions below.
1. If the flame is yellow, turn the air shutter counter clockwise to allow more air to the burner.
2. If the flame is noisy and lifting away from the burner, turn the air shutter clockwise to reduce the amount of air to
the burner.
Once adjusted, turn the burner off, tighten the set screw on the air shutter, replace the valve panel for the side burners and the
grate support, burner bowls, and grates for the side burners.
To
11
Air Shutters
Orifice
1½”
(3.8 cm)
3/8”
(.95 cm)
FLAME HEIGHT
1. At least one ventilation opening shall be provided on the exposed exterior side of the enclosure located within 5
inches (127 mm) of the top of the enclosure and unobstructed. The opening(s) shall have a total free area of not
less than 1 in
2
/lb (14.2 cm
2
/kg) of stored fuel capacity.
2. At least one ventilation opening shall be provided on the exposed, exterior side of the enclosure 1 inch (25.4 mm)
or less from the floor level and shall have a total free area of not less than 1/2 in
2
/lb (7.1 cm
2
/kg) of stored fuel
capacity. The upper edge shall be no more than 5 inches (127 mm) above the floor level.
3. Every opening shall have a minimum dimension so as to permit the entrance of a 1/8 inch (3.2 mm) rod.
VENTILATION FOR BUILT-IN INSTALLATIONS
Not less than
5.00 inches
from inside
bottom of
countertop.
Not less than
1.00 inch from
inside floor of
installation.
1.00 inch maximum
5.00 inch
maximum
No more than 5.00 inches above
the floor of the installation.
5.00 inch
maximum
Vents
10