035-14527-000 REV A (599)
Form 650.77-N3U
Unitary Products Group
7
All dimensions are in inches and are approximate
FIGURE 1: 2-STAGE UPFLOW/HORIZONTAL FURNACE DIMENSIONS
TABLE 3: 2-STAGE UPFLOW/HORIZONTAL RATINGS & PHYSICAL/ELECTRICAL DATA
MO DELS
P
*
DU
&
G
8
D
--
U H
CAB INET
WI DTH
(
IN
.)
AFU E
1
LO W
F IRE
TEMP
RISE
°
F
HI G H
FI RE
TEMP
RISE
°
F
MAX
.
O UTLET
AI R
TEMP
°
F
BLO WER
TO TAL
UNI T
AMPS
MAX
.
O VER
-
CUR REN T
PRO TECT
2
MIN
WI RE
SI ZE
(
AWG
) @
75
FT
.
O NE
WA Y
2
O PER
WGT
.
(
L BS
)
I NPU T
MBH
H
/
L
O UTPUT
MBH
H
/
L
NOM
.
CFM
HP
SIZE
(
IN
)
57/42
46/34
800
“A” 14-1/2
80
25 - 55
35 - 65
165
1/4
9 x 6
9.0
20
14
105
80/59
64/48
1200
“A” 14-1/2
80
30 - 60
40 - 70
175
1/3
10 x 7
9.0
20
14
117
80/59
64/48
1600
“B” 17-1/2
80
25 - 55
25 - 55
160
3/4
11 x 8
12.0
20
14
126
100/65
80/53
1200
“B” 17-1/2
80
25 - 55
40 - 70
170
1/2
10 x 8
12.0
20
14
128
100/65
80/53
2000
“C” 21
80
25 - 55
30 - 60
160
1
11 x 10
12.0
20
14
145
120/78
96/64
1600
“C” 21
80
25 - 55
45 - 75
180
1/2
10 x 10
12.0
20
14
145
120/78
96/64
2000
“C” 21
80
25 - 55
35 - 65
170
1
11 x 10
12.0
20
14
147
1.
AFUE numbers are determined in accordance with DOE test procedures.
2.
Wire size and overcurrent protection must comply with the National Electrical Code (NFPA-70-latest edition).
•
For altitudes above 2,000 ft., reduce capacity 4% for each 1,000 ft. above sea level. Refer to Form 650.74-N1.1V.
•
Wire size based on copper conductors, 60° C, 3% voltage drop.
•
Continuous return air temperature must not be below 55° F.
* Input / Output / CFM / Cabinet
Models P*DU &
G8D—UH
A
B
C
D
E
F
57 / 46 / 800 / “A”
14-1/2
13-1/4
10-1/8
3
10-1/8
4-3/16
80 / 64 / 1200 / “A”
14-1/2
13-1/4
10-1/8
4
10-1/8
3-3/4
80 / 64 / 1600 / “B”
17-1/2
16-1/4
13-1/8
4
11-5/8
3-3/4
100 / 80 / 1200 / “B”
17-1/2
16-1/4
13-1/8
4
11-5/8
3-3/4
100 / 80 2000 / “C”
21
19-3/4
16-5/8
4
13-3/8
3-3/4
120 / 92 / 1600 / “C”
21
19-3/4
16-5/8
4
13-3/8
3-3/4
120 / 80 / 2000 / “C”
21
19-3/4
16-5/8
4
13-3/8
3-3/4
