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This manual gives the contractor guidelines for installing
the LIFEBREATH Clean Air Furnace. All national and
local codes relating to this type of equipment must be fol-
lowed.
Locating The Unit
The Clean Air Furnace is designed to be installed vertical-
ly, (unless it is designated as a Horizontal unit ”H”), in a
conditioned space, where the surrounding temperature
does not fall below 50°F (10°C). Attic installations are not
recommended. Typically the unit is installed in a mechani-
cal area of the basement, or other partitioned mechanical
room, elsewhere in the home.
A location close to an outside wall is recommended, as the
ventilation supply and exhaust portion will need to be duct-
ed to the outside air. Sufficient clearance around the unit is
required for service of the filter, heat recovery core and
components. As a rule this unit should be installed adjacent
to the hot water heater. If this is not possible, or if the pip-
ing layout is complex, the total head pressure on the pump
should be calculated.
Duct Connections
To accommodate various installations, the Clean Air
Furnace has knockouts for the return air plenum and venti-
lation ducts, on both sides of the cabinet. Special care and
attention should be given to determining which knockouts
are to be removed.
Slide Heat Recovery Core out to remove ventilation knock-
outs. Never install ductwork directly to the cabinet that is
smaller than the opening provided.
Penetrations from sheet metal screws used to fasten the
ductwork to the cabinet of the unit should only be placed
into the duct flange provided. This is to avoid contact and
damage of the heating/air conditioning coils and internal
wiring.
14
Option 1 - Upflow Models
NOTE: Return plenum opening can be on either side of cabinet and is not dependent on which side the ventilation ports are on.
Ventilation Ports Off Left
Ventilation Ports Off Right
Remove circular
metal knockout
Remove
styrofoam
knockout
Remove circular
metal knockout
Remove
styrofoam
knockout
Installation