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Components Of A Pellet Stove
120°F (49°C) N/C Ignitor Temperature Sensor: This sensor (mounted on the exhaust channel) will
turn the ignitor OFF when the exhaust temperature reaches 120°F (49°C). This is a normally closed
sensor that open when it is heated to 120°F (49°C).
160°F (71°C) Convection Fan Sensor: When this sensor mounted on the left side firewall reaches
160°F (71°C) the convection blower will go to high cooling the unit before it overheats.
200°F (93°C) Manual Reset High Limit Temperature Sensor: This sensor (located on the right
hand side of the firewall) has a red push button in the center of the sensor. This is a safety device.
In the event that the convection blower fails, this sensor will detect the stove might overheat and
will shut the power OFF to the auger motor.
Auger And Auger Motor: The 1 rpm auger motor is responsible for turning the auger shaft, which in
turn transports pellets to be dropped into the burn pot. The timing control module and the dial-a-
fire control the auger motor. This can be checked using 110V AC direct power.
Auto/Manual Switch (EF2 only): This starts the stove in the manual position, when the green light
comes on push the switch to the auto position.
Control Board: This device controls the operation of the unit. This device has been designed to fully
operate the unit; the control board can change the amount of fuel that delivered to the burn pot
as well as room air blower (convection blower) functions. This device is also responsible for turning
the unit ON and OFF. This control board can be operated manually or a wall thermostat can be
installed on this unit as well.
Convection Blower: This blower mounted on the right hand side of the stove draws room air from the
back of the stove and passes the air through the heat exchanger tubes and back into the room.
The sealed system keeps the room air separate from the combustion air. The fan controller controls
this fan. This can be checked using 110V AC direct power.
Convection Fan Controller: This controller is responsible for varying the speed of the convection
blower. The stove does have a fan control override. Should the convection blower be set on low
and the dial-a-fire set on high, the convection blower will by-pass the fan controller and go to high
speed. This will cool the stove until control is given back to the fan controller. To eliminate the
possibility of the fan cycling the fan controller and the dial-a-fire should be set proportionately to
one and other. The controller can cause the fan to have low speed rumble if the output voltage is
too low.
Combustion/Exhaust Blower: This fan mounted on the left hand side of the stove is responsible for
drawing outside fresh air into the combustion chamber for burning. The hot air then continues to
be drawn over the heat exchanger tubes and then into the exhaust channel. It is then pushed out
through the exhaust system. This can be checked using 110V AC direct power.
Dial-a-fire (Heat Output Control): This unit is responsible for controlling the timing of the auger
motor. When turned clockwise it will cause the OFF time between auger pulses to shorten, resulting
in more heat output and pellet consumption. Turn the counter-clockwise and the reverse will
happen. When it is turned fully counter-clockwise until it clicks the auger will stop. This can be
checked using an ohm meter.
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