Slider/Damper Set-Up: This is used to regulate the airflow through the pellet stove. Following these steps will minimize visible emissions. Operating Instructions Figure 6: Slider/Damper Plate in Unit. Figure 7: Efficient Flame. This unit is designed to operate within a negative pressure range of 0.15-0.17 inches of water column (37-42 Pa). This can be measured using a Magnahelic pressure gauge once the unit has been running on heat level 5 setting after one hour of burn time. This adjustment is necessary for varying venting configurations. The reading can be taken from the ⅛” hole located above the top right corner of the door. A #8 screw must be removed in order to access this hole.
The Combustion Trim, Feed Trim and Fuel Type Functions can be used to compensate for varying fuel qualities. Refer to page 7 for circuit board operation. If, after long periods of burning, the fire builds up or there is a build up of clinkers, this would be a sign that the fuel quality is poor - this requires more air. The easiest way to make sure that an efficient flame is achieved is to understand the characteristics of the fire. • A tall, lazy flame with dark orange tips requires more air. • A short, brisk flame, like a blowtorch, has too much air . • If the flame is in the middle of these two characteristics with a bright yellow/orange, active flame with no black tips then the air is set for proper operation, refer to Figure 7. 1
See page 10 of this Enviro Manual
Maybe Johneh was right and you are the moron