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AIR PROVING SWITCH
The air proving switch has been adjusted at the factory for an initial setting. If the switch trips during initial start-
up, turn the adjustment screw ccw two full turns to reduce the trip pressure setting.
TYPICAL AIR AND FUEL ADJUSTMENT LOCATIONS
Control cabinet
Mod motor
Mounting flange
Flame scanner
Louver box
Linkage
Combustion head
Gas valve
SG Manual
Page 11
Fuel Systems
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