036-21013-002 Rev. A (5/00)
Luxaire
2
Unitary Products Group
TWO-STAGE UPFLOW/HORIZONTAL FURNACE DIMENSIONS
TWO-STAGE UPFLOW/HORIZONTAL RATINGS & PHYSICAL/ELECTRICAL DATA
MODELS
G8D--UH /
L8D-UH
CABINET
WIDTH
(
IN
.)
AFUE
*
*
AFUE numbers are determined in accordance with DOE test procedures.
LOW
FIRE
TEMP
RISE
°
F
HIGH
FIRE
TEMP
RISE
°
F
MAX
.
OUTLET
AIR
TEMP
°
F
BLOWER
TOTAL
UNIT
AMPS
MAX
.
OVER
-
CURRENT
PROTECT
†
†
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.
MIN
WIRE
SIZE
(
AWG
) @
75
FT
.
ONE
WAY
†
OPER
WGT
.
(
LBS
)
INPUT
MBH
H
/
L
OUTPUT
MBH
H
/
L
NOM
.
CFM
HP
AMPS
SIZE
(
IN
)
57/42
46/34
1200
“A” 14-1/2
80.0
25 - 55
35 - 65
165
1/3
6.2
10 x 7
9.0
20
14
105
80/59
64/48
1200
“A” 14-1/2
80.0
30 - 60
40 - 70
175
1/3
6.2
10 x 7
9.0
20
14
117
80/59
64/48
1600
“B” 17-1/2
80.0
25 - 55
25 - 55
160
3/4
11.5
11 x 8
12.0
20
14
126
100/65
80/53
1200
“B” 17-1/2
80.0
25 - 55
40 - 70
170
1/2
7.0
10 x 8
12.0
20
14
128
100/65
80/53
2000
“C” 21
80.0
25 - 55
30 - 60
160
1
12.2
11 x 10
14.0
20
12
145
120/78
96/64
1600
“C” 21
80.0
25 - 55
45 - 75
180
1/2
10.4
10 x 10
12.0
20
14
145
120/78
96/64
2000
“C” 21
80.0
25 - 55
35 - 65
170
1
12.2
11 x 10
14.0
20
12
147
TOP IMAGE
Vent Connection
(vent size)
D
20
B
Power
Wiring
7/8" K.O.
FRONT
E
5
F
1-7/ 8
BOTTOM IMAGE
1-1/ 8
20
FRONT
1-1/ 8
A
C
7-3/ 8
3/4
F R O N T
F R O N T
L E F T S I D E
L E F T S I D E
R I G H T S I D E
R I G H T S I D E
OPTIONAL SIDE
RETURN CUT-OUT
(EITHER SIDE)
14
GAS INLET
1-1/4" X 2-1/2"
2
2-1/4
1-1/8
D
(Vent Connection)
14-3/4
5-3/8
8-3/4
2-1/2
16
13-3/4
POWER WIRING
ACCESS
WIRING
7/8" K.O.
32-1/2
T'STAT WIRING
7/8" K.O.
7/8" HOLE
B
40
A
28-1/2
20
23-1/2
Upflow/Horizontal
Models G8D-UH /
L8D-UH
A
B
C
D
E
F
G8D06012UHA11
*
*
L in the first character indicates LoNox.
14-1/2
13-1/4
10-1/8
4
10-1/8
3-3/4
G8D08012UHA11
*
14-1/2
13-1/4
10-1/8
4
10-1/8
3-3/4
G8D08016UHB11
*
17-1/2
16-1/4
13-1/8
4
11-5/8
3-3/4
G8D10012UHB11
17-1/2
16-1/4
13-1/8
4
11-5/8
3-3/4
G8D10020UHC11
*
21
19-3/4
16-5/8
4
13-3/8
3-3/4
G8D12016UHC11
21
19-3/4
16-5/8
4
13-3/8
3-3/4
G8D12020UHC11
*
21
19-3/4
16-5/8
4
13-3/8
3-3/4
