Enviro 828 DV.INS. - Manual (Page 11)

9. AIR SHUTTER ADJUSTMENT
• There is a separate venturi air shutter for each burner
• The venturies have been set for installation at sea level to 4,500 ft.
• To adjust for higher altitudes: Remove the access cover plate, loosen the air shutter locking screws with a long screwdriver.
Rotate the air shutters to the correct setting. The flame should be bright yellow in color and have a lively appearance. If
sooting occurs on the glass then the venturi opening may need to be increased.
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