036-21120-002 Rev. A (1102)
2
Unitary Products Group
FURNACE DIMENSIONS
** 3-Position 150 MBH model available only in upflow/horizontal (UH) configuration.
Dimensions "B", "C", "D" & "E" are with duct flanges turned up. "F", "G", "H" & "J" are with flanges flat.
RATINGS & PHYSICAL/ELECTRICAL DATA
** 3-Position 150 MBH model available only in upflow/horizontal (UH) configuration.
NOTE: For altitudes above 2,000 ft., reduce capacity 4% for each 1,000 ft. above sea level.
Wire size based on copper conductors, 60° C, 3% voltage drop.
Continuous return air temperature must not be below 55° F.
DOWNFLOW
UPFLOW
A
A
B
E
D
BOTTOM VIEW
F
G
29-3/4
29-3/4
C
31-1/2
31-1/2
14
BOTTOM VIEW
H
J
16-1/4
K
K
Model
A
B
C
D
E
F
G
H
J
K (Vent)
G8C05012(MU,MD)B12
1
17-1/2
16-1/2
20-3/8
20
16
14-3/4
18-3/4
15-1/8
19
3
G8C07512(MU,MD)B12
1
17-1/2
16-1/2
20-3/8
20
16
14-3/4
18-3/4
15-1/8
19
4
2
G8C07516(MU,MD)C12
1
21
20
20-3/8
20
19-1/2
18-1/4
18-3/4
18-5/8
19
4
2
G8C10016(MU,MD)C12
1
21
20
20-3/8
20
19-1/2
18-1/4
18-3/4
18-5/8
19
4
2
G8C10020(MU,MD)D11
1
24-1/2
23-1/2
20-3/8
20
23
21-3/4
18-3/4
22-1/8
19
4
2
G8C12520(MU,MD)D11
1
24-1/2
23-1/2
20-3/8
20
23
21-3/4
18-3/4
22-1/8
19
5
2
G8C15020UHD11**
24-1/2
23-1/2
20-3/8
20
23
21-3/4
18-3/4
22-1/8
19
5
2
1. 4-Position models may be factory configured as upflow (MU) or downflow (MD) models.
2. All models are supplied with 3" vent connections. An installer supplied transition to 4" or 5" must be used where necessary.
Model
Heat
Cap.
Input
MBH
Output
MBH
Air Temp
Rise
°
F
Max.
Outlet
Temp.
°
F
Blower
Total
Unit
Amps
Max.
Over-
Current
Breaker
Min. Wire
Size (AWG)
@ 75 Ft.
One Way
HP
Size
G8C05012(MU,MD)B12
1
50
40
30-60
160
1/3
10 x 8
6.7
15
14
G8C07512(MU,MD)B12
1
75
60
35-65
165
1/3
10 x 8
6.7
15
14
G8C07516(MU,MD)C12
1
75
60
30-60
160
1/2
10 x 10
8.5
15
14
G8C10016(MU,MD)C12
1
100
80
40-70
170
1/2
10 x 10
8.5
15
14
G8C10020(MU,MD)D11
1
100
80
35-65
165
3/4
(2) 10 x 6
10.3
15
14
G8C12520(MU,MD)D11
1
125
100
40-70
170
3/4
(2) 10 x 6
10.3
15
14
G8C15020UHD11**
150
120
40-70
170
3/4
(2) 10 x 6
10.3
15
14
1. 4-Position models may be factory configured as upflow (MU) or downflow (MD) models.
