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Operation
Pellet Boiler Outdoor Air Reset Operation
When the outdoor sensor is installed, at 20° F. or below OAT (Outdoor Air Tempera-
ture), the boiler will operate at the temperature set on the Maximum Temperature knob.
The boiler water temperature will decrease by 1 degree for every 1 degree in tempera-
ture rise of the Outside Air.
Example 1 OAT Water Temp Degree Change
Max set at 185° 65° 140° -45°
Min set at 140° 60° 145° -40°
55° 150° -35°
50° 155° -30°
45° 160° -25°
40° 165° -20°
35° 170° -15°
30° 175° -10°
25° 180° -5°
20° 185° 0°
15° 185° 0°
10° 185° 0°
5° 185° 0°
0° 185°
Example 2 OAT Water Temp Degree
Change
Max set at 180° 65° 150° *
Min set at 150° 60° 150° *
55° 150° *
50° 150° -30°
45° 155° -25°
40° 160° -20°
35° 165° -15°
30° 170° -10°
25° 175° -5°
20° 180° 0°
15° 180° 0°
10° 180° 0°
5° 180° 0°
0° 180° 0°
* No change in boiler temperature after reaching minimum setpoint temperature.
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