M939B
M940B
Fig. 1. Highboy furnace with side installation.
Fig 2. Highboy furnace, with installation
Electronic air filter is mounted vertically where
beneath furnace. Electronic Air Cleaner is
return enters side inlet of furnace.
mounted horizontally where return enters from
below.
M941A
M942B
Fig. 3.Highboy furnace, with closet installation.
Fig. 4. Lowboy furnace, with Electronic Air
Electronic Air Cleaner is mounted vertically on
Cleaner mounted horizontally in return plenum
furnace between furnace and louvered return air
just above furnace and opposite heating
opening in closet door.
plenum.
F300 Electronic Air Cleaner 68-0240EF—08
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