Downflow Installation - Carrier WEATHERMAKER 8000 58ZAV Installation And Operating Instructions Manual

FURNACE
CASING
WIDTH
Combustible Flooring Using KGASB Subbase
14-3/16
Combustible Flooring with CD5 or CK5 Coil Assembly or
Combustible Flooring Using KGASB Subbase
17-1/2
Combustible Flooring with CD5 or CK5 Coil Assembly or
Combustible Flooring Using KGASB Subbase
21
Combustible Flooring with CD5 or CK5 Coil Assembly or
Combustible Flooring Using KGASB Subbase
24-1/2
Combustible Flooring with CD5 or CK5 Coil Assembly or
FRONT
BACK
FRONT
OPENING
B
Fig. 5—Floor and Plenum Opening Dimensions
Table 3—Opening Dimensions (In.)
APPLICATION
Non-Combustible Flooring
KCAKC Coil Box
Non-Combustible Flooring
KCAKC Coil Box
Non-Combustible Flooring
KCAKC Coil Box
Non-Combustible Flooring
KCAKC Coil Box
B
A
C
K
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A
PLENUM
D
FLOOR
OPENING
C
PLENUM OPENING
A
12-11/16
11-13/16
12-5/16
16
15-1/8
15-1/2
19-1/2
18-5/8
19
23
22-1/8
22-1/2
→
Do not install furnace on its back. Safety control operation
will be adversely affected. Never connect return-air ducts to
back of furnace. Failure to follow this warning could result in
fire, personal injury, or death.
Step 5—Downflow Installation
NOTE: This furnace is approved for use on combustible materials
or wood flooring. A factory accessory floor base, as listed on the
furnace rating plate, MUST be used. A factory accessory floor
base is not required when this furnace is installed on manufactur-
er's Coil Assembly Part No. CD5 or CK5, or Coil Box Part No.
KCAKC is used.
1. Determine application being installed from Table 3.
2. Construct hole in floor per dimensions specified in Table 3
and Fig. 5.
3. Construct plenum to dimensions specified in Table 3.
4. If downflow subbase (KGASB) is used, install as shown in
Fig. 6.
7
FLOOR OPENING
B C D
19 13-3/8 19-5/8
19 13-7/16 20-3/8
19 13-5/16 20
19 16-5/8 19-5/8
19 16-3/4 20-3/8
19 16-1/2 20
19 20-1/8 19-5/8
19 20-1/4 20-3/8
19 20 20
19 23-5/8 19-5/8
19 23-3/4 20-3/8
19 23-1/2 20
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