13
DIMENSIONS (In.)
* The plenum should be constructed 1/4-in. smaller in width and depth than the plenum dimensions shown above.
FURNACE
CASING
WIDTH
FURNACE IN DOWNFLOW APPLICATION
PLENUM OPENING* FLOOR OPENING HOLE NO.
FOR WIDTH
ADJUSTMENT
ABCD
17-1/2
Furnace with or without Cased Coil
Assembly or Coil Box
15-1/8 19 16-3/4 20-3/8 3
21
Furnace with or without Cased Coil
Assembly or Coil Box
18-5/8 19 20-1/4 20-3/8 2
24-1/2
Furnace with or without Cased Coil
Assembly or Coil Box
22-1/8 19 23-3/4 20-3/8 1
A97427
Assembled
A88207
Disassembled
LOCATING
TAB
LOCATING
TAB
1
2
3
4
4
3
2
1
B
D
C
A
1
1
/
4
″ TYP
PLENUM
OPENING
FACTORY-SUPPLIED
FIELD-INSTALLED
INSULATION
A05186
A
Media
Filter Cabinet
AB
16" 17" 16"
20" 21" 20"
24" 25" 24"
23
5
/
8"
23
3
/
8"
Furnace Side
23
3
/
4"
Centerline Screw Slots
25
5
/
8"
Duct Side
24
3
/
8"
Opening with Flanges Bent
23
1
/
8"
Opening
5
3
/
4"
gninepO B
Shipped with sizes
060-12, 080-12, 080-16
100-16, 100-20
120-20
DOWNFLOW SUBBASE
MEDIA FILTER CABINET