1
1
/
2
5
1
/
3
4
7
/
8
2
1
/
4
5
7
17
5
/
16
7
4
7
/
8
3
3
/
4
2
1
/
4
30
3
/
4
29
1
/
2
17
5
/
16
RIGHT SIDE
Dimensions and Clearances (H8UH5 Models)
Figure 1
30
²
min.
Drawing is representative some models may vary
DIMENSIONS IN INCHES
TOP
LEFT SIDE
BOTTOM
FRONT
25--23--44a
40
37
13
1
/
4
18
1
/
2
28
1
/
2
1
7
/
8
1
26
5
/
8
21
3
/
4
A
B
1
1
/
2
26
5
/
8
27
1
/
2
27
7
/
8
32
1
/
2
21
3
/
4
3
3
/
4
13
1
/
4
1
1
7
/
8
D
C
F
23
1
/
8
4
1
/
16
NOTE:
Evaporator “A” coil drain pan dimensions
may vary from furnace duct opening size. Always
consult evaporator specifications for duct size
requirements.
Unit is designed for bottom return or side return.
Return air through back of unit is NOT allowed.
3
/
4
5
441 01 5001 00
MINIMUM CLEARANCES TO COMBUSTIBLE
MATERIALS FOR ALL UNITS
REAR
0
FRONT
3
²
Recommended For Service
30
²
ALL SIDES Of SUPPLY PLENUM
1
²
SIDES
0
VENT
Single Wall Vent
6
²
Type B--1 Double Wall Vent
1
²
TOP OF FURNACE
1
²
Horizontal position: Line contact is permissible only between lines
formed by intersections of top and two sides of furnace jacket, and
building joists, studs or framing.
DIMENSIONAL INFORMATION
Unit
Cabinet
Top
Bottom
Unit
Capacity
A
B
F
C
D
H8UH5050B12
H8UH5075B12
15
1
/
2
14
6
1
3
/
8
12
5
/
8
H8UH5100F14
19
1
/
8
17
5
/
8
7
3
/
4
2
1
/
8
14
3
/
4
H8UH5125J20
H8UH5140J20
22
3
/
4
21
1
/
4
9
1
/
2
1
15
/
16
18
3
/
4
Furnace Installation
Inspect the rating plate to be certain the model number begins with
“H8UH5”
. This identifies the unit as a dual--position furnace and
can be Installed in a Upflow, Horizontal Right or Horizontal Left
position.
Upflow
No modifications are required for upflow installation. (See
Figure 2
)
Typical Upflow Installation
Figure 2
25--23--17
VENT
SUPPLY
AIR
GAS SUPPLY
RETURN
AIR
