Lennox Montage 32FS Control Board: H7881

Lennox

• Montage

• Install Instructions PDF for Lennox H7881

START BUTTON The "START" Button turns on the pellet stove. If the exhaust does not reach operating temperature within 30 minutes, the stove will automatically shut down. The pellet stove can be restarted by pushing the "START" Button again. RESTART AUGER ON (green LED) - The auger restarts and returns to delivering fuel to the UltraGrate™. STOP BUTTON Note: The "START" Button has to be activated to give power to the AUGER ON/OFF button. The "STOP" button turns the pellet stove OFF. When the LED is green, the auger is ON. SHUT DOWN (LED off) - Auger turns OFF and fuel delivery stops. The blowers will continue to operate until the stove has cooled sufficiently. Stove enters shut down mode. HEAT OUTPUT BUTTON When not using a wall thermostat, the "HEAT OUTPUT" button provides the ability to burn at five separate settings from low (#1) to high (#5). The "HEAT OUTPUT" button regulates the fuel feed setting and the combustion air supply simultaneously. Each time the "HEAT OUTPUT" button is pressed the heat output will advance to a higher setting. When at the highest setting (#5), if the button is pressed again it will go back to the lowest setting. Settings can be changed at any time but will only take affect after the start-up cycle is complete. CONVECTION (ROOM AIR) BLOWER BUTTON The "BLOWER" button operates the convection blower. This will change the flow of hot air into the room. Five settings are available from low (#1) to high (#5). When the "BLOWER" button is pressed, the green indicator light will scroll from low to high. When at the highest setting (#5), if the button is pressed again it will go back to the lowest setting. When the "HEAT OUTPUT" button is on position #5, the lowest blower setting is #3. When the heat output button is on position #4, the lowest blower setting #2. This is a safety precaution to protect against overheating. Blower settings can be changed at any time, but will only take affect after the start-up cycle is complete. Note:The control board has an internal memory which recalls the last setting prior to loss of power. 

This controller can be used with an optional thermostat (TSTAT). The purple wires from the controller lead to a terminal on the back of the stove that MUST BE bridged (connects purple wires) if a TSTAT is not being used. If the controller has no power, there is an internal fuse inside the controller which can be accessed from the bottom of the controller or in some models, by taking off the rear protective cover.

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