November
2013
Description of Operation
1) The circulation blower on the existing furnace draws air through the cold air return and the furnace.
2) The air passes into the bottom of the solid fuel furnace, which heats the air.
3) The heated air circulates through the heating ducts.
4) The existing furnace is controlled by a separate thermostat
5). If the existing furnace fi res, air fl ow remains the same through both units.
Required Additional Components
1) The existing furnace must be a “counter fl ow” design (“down fl ow”).
2) The existing furnace must be mounted on a fl ow direction base.
Installation
1) Place the counter fl ow (gas, LP, oil or electric) furnace on top of an air fl ow direction base.
2) Cut rectangular opening in the solid fuel furnace shroud to match the dimensions of the air fl ow direction base
3) The solid fuel furnace should be located approximately 8 inches from the existing furnace.
4) Connect the solid fuel furnace to the air fl ow direction base with sheet metal. Fasten the sheet
metal with screws and caulk.
INSTALLATION WITH AN EXISTING FURNACE (SERIES)
Page 12