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DIMENSIONS - DOWNFLOW/HORIZONTAL MODELS
40 /37 / 800 / A
60 /55 / 1200 / B
80 /75 / 1200 / B
80 /75 / 1600 / C
100 /95 / 2000 / C
120 /112 / 2000 / D
*Vent pipe must be increased to 3" on this model.
TABLE 2 - RATINGS & PHYSICAL DATA - DOWNFLOW/HORIZONTAL
INPUT
OUTPUT
NOM.
MBH
MBH
CFM
40
37
800
60
55
1200
80
75
1200
80
75
1600
100
95
2000
120
112
2000
*
Wire size and overcurrent protection must comply with the National Electric Code.
NOTES: 1. For altitudes above 2000 ft. reduce capacity 4% for each 1000 ft. above sea level.
2. Wire size based on copper conductors, 60
3. Continuous return air temperature must not be below 55
Unitary Products Group
MODEL
A
14-1/2
13-1/4
17-1/2
16-1/4
17-1/2
16-1/4
21
19-3/4
21
19-3/4
24-1/2
23-1/4
CAB.
AIR
WIDTH
AFUE
TEMP.
RISE
°F
14-1/2
91.0
25 - 55
17-1/2
91.0
35 - 65
17-1/2
91.0
35 - 65
21
91.0
30 - 60
21
91.0
40 - 70
24-1/2
91.0
40 - 70
B
C
D
11-3/4
2
14-3/4
2
14-3/4
2
18-1/4
2
18-1/4
2
21-3/4
2 (3)*
19-1/4
1-3/8
3 7/8
H
CFM @
MAX.
MEAN
OUTLET
AIR
AIR
DIA. WIDTH HP
TEMP.
TEMP.
°F
RISE
856
155
10
1018
165
11
1370
165
11
1563
160
11
1582
170
11
1885
170
11
°C, 3% voltage drop.
°F.
E
F
G
5-1/8
2-1/2
2
6-5/8
2-1/4
2
6-5/8
2-1/4
2
8-3/8
2-1/4
2
8-3/8
2-1/4
2
10-1/8
2-1/4
3
A
1-3/8
C
All dimensions are in
8
inches, and are ap-
proximate.
BLOWER
MAX.
TOTAL
OVER-
UNIT
AMPS
PROT.
6
1/4
9.0
8
1/2
9.0
8
1/2
9.0
8
3/4
12.0
10
1
12.0
10
1
12.0
650.75-N4U
*
*
MIN.
WIRE
CUR-
(AWG)
RENT
@ 75'
20
14
20
14
20
14
20
14
20
14
20
14
5
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