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Residential Installation Examples
Page 5
Up-Flow Furnace
Filter system is installed vertically and return air enters
the furnace side inlet (up to 4 ton application).
Up-Flow Furnace
(5 ton application)
Filter system is installed vertically and return air enters
the furnace side inlet (5 ton application).
Up-Flow Furnace
Filter system is installed horizontally beneath the furnace.
Return air enters from the bottom.
Down-Flow Furnace
Filter system is installed horizontally in the return
air duct just above the furnace.
Horizontal Furnace
Filter system is installed vertically in the return air duct near the furnace.