MOUNTING
M939B
M940B
Fig. 1. Highboy furnace with side installation.
Electronic air filter is mounted vertically where
return enters side inlet of furnace.
Fig 2. Highboy furnace, with installation
beneath furnace. Electronic Air Cleaner is
mounted horizontally where return enters from
below.
M941A
M942B
Fig. 3.Highboy furnace, with closet installation.
Electronic Air Cleaner is mounted vertically on
furnace between furnace and louvered return air
opening in closet door.
Fig. 4. Lowboy furnace, with Electronic Air
Cleaner mounted horizontally in return plenum
just above furnace and opposite heating
plenum.
F300 Elec
t
ronic Air Cleaner 68-0240EF—07
7
68-0240EF_B.indd 7
9/14/11 3:04 PM