13
MEDIA FILTER CABINET
Media Filter
Cabinet
A
B
16" (406mm)
20" (508mm)
24" (610mm)
17" (432mm)
Furnace Side
Centerline Screw Slots
23-3/4”
23-3/8”
23-5/8"
5
3
4
Duct Side
Opening
Opening with Flanges Bent
24-1/4”
25-5/8"
B Opening
A
"
(600mm)
(594mm)
(603mm)
(146mm)
(651mm)
(616mm)
23-1/8”
(588mm)
16" (406mm)
20" (508mm)
24" (610mm)
21" (533mm)
25" (635mm)
NOTE: Media cabinet is matched to the bottom opening on furnace. May also be used for side return.
A12428
TYPICAL WIRING SCHEMATIC
115-V FIELD-
SUPPLIED
DISCONNECT
AUXILIARY
J-BOX
24-V
TERMINAL
BLOCK
THREE-WIRE
HEATING-ONLY
FIVE WIRE
NOTE 1
NOTE 2
FIELD-SUPPLIED
DISCONNECT
CONDENSING
UNIT
TWO
WIRE
FURNACE
C
O
N
T
R
O
L
R
G
COM
W
C
R
G
Y
GND
GND
FIELD 24-V WIRING
FIELD 115-, 208/230-, 460-V WIRING
FACTORY 24-V WIRING
FACTORY 115-V WIRING
208/230- OR
460-V
THREE
PHASE
208/230-V
SINGLE
PHASE
BLOWER DOOR SWITCH
WHT
BLK
WHT
BLK
NOTES:
Connect Y-terminal in furnace as shown for proper blower operation.
Some thermostats require a "C" terminal connection as shown.
If any of the original wire, as supplied, must be replaced, use
same type or equivalent wire.
W
Y
GND
THERMOSTAT
TERMINALS
1.
2.
3.
A11387
912SC
