Carrier 58RAV - Supply-Air Plenum Installation (Downflow); Installation On a Concrete Slab; Installation On a Combustible Floor

5
Accessory downflow subbase
DUCT FLANGES AND FILTER ARRANGEMENT
DIMENSIONAL DATA (In.)
* The plenum should be constructed 1/4-in. smaller in width and depth than the plenum dimensions shown above.
A88206 A88207
Assembled Disassembled
FURNACE
WIDTH
PLENUM OPENING FRAMED FLOOR HOLE
HOLE NO. FOR
WIDTH ADJUSTMENTA B C D
14-3/16 11-13/16 19 13-7/16 20-3/8 4
17-1/2 15-1/8 19 16-3/4 20-3/8 3
21 18-5/8 19 20-1/4 20-3/8 2
24-1/2 22-1/8 19 23-3/4 20-3/8 1
LOCATING
TAB
LOCATING
TAB
1
2
3
4
4
3
2
1
B
D
C
A
1
1
⁄
4
″ TYP
PLENUM
OPENING
FACTORY-SUPPLIED
FEILD-INSTALLED
INSULATION
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FIELD-SUPPLIED
FILTER RETAINERS
AIRFLOW
D
12″
4″
AIRFLOW
A82172 A82173
Duct Flanges
(Accessory)
Filter Retainers
(Field Supplied)