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LEFT SIDE
28.5"
29.5"
.5"
24.38"
B
.5"
20"
SUPPLY END
FIGURE 12: Dimensions
Table 3: Cabinet and Duct Dimensions
Nominal
BTUH (kW)
3
Input
CFM (m
40 (11.7)
800 (22.7)
60 (17.6)
1000 (28.3)
60 (17.6)
1200 (34.0)
80 (23.4)
1200 (34.0)
80 (23.4)
1600 (45.3)
80 (23.4)
2200 (62.3)
100 (29.3)
1200 (34.0)
100 (29.3)
1600 (45.3)
100 (29.3)
2000 (56.6)
120 (35.1)
1600 (45.3)
120 (35.1)
2000 (56.6)
130 (38.1)
2000 (56.6)
SECTION III: FILTERS
FILTER INSTALLATION
All applications require the use of a field installed filter. All filters and
mounting provision must be field supplied.
Filters must be installed external to the furnace cabinet. DO NOT
attempt to install filters inside the furnace.
NOTICE
Single side return above 1800 CFM is approved as long as the filter
velocity does not exceed filter manufacturer's recommendation.
Johnson Controls Unitary Products
Vent Connection
Outlet
Electrical
Entry
Gas Pipe
Entry
Thermostat
Wiring
4" Diameter
Vent Connection
Outlet
C
Cabinet
Size
/min)
A
A
14 1/2
A
14 1/2
A
14 1/2
B
17 1/2
C
21
C
21
B
17 1/2
C
21
C
21
C
21
C
21
D
24 1/2
FRONT
Electrical
Entry
Vent
Connection
Outlet
Gas Pipe
Entry
33"
Thermostat
Wiring
A
Cabinet Dimensions (Inches)
A (cm)
B
B (cm)
36.8
13 3/8
34.0
36.8
13 3/8
34.0
36.8
13 3/8
34.0
44.4
16 3/8
41.6
53.3
19 7/8
50.5
53.3
19 7/8
50.5
44.4
16 3/8
41.6
53.3
19 7/8
50.5
53.3
19 7/8
50.5
53.3
19 7/8
50.5
53.3
19 7/8
50.5
62.2
23 3/8
59.4
Table 4: Recommended Filter Sizes (High Velocity 600 FPM)
CFM
(m³/min)
800 (22.7)
1000 (28.3)
1200 (34.0)
1200 (34.0)
1600 (45.3)
1600 (45.3)
2000 (56.6)
2200 (62.3)
2000 (56.6)
1. Air velocity through throwaway type filters may not exceed 300 feet per min-
ute (91.4 m/min). All velocities over this require the use of high velocity fil-
ters.
2. Do not exceed 1800 CFM using a single side return and a 16x25 filter. For
CFM greater than 1800, you may use two side returns or one side and the
bottom or one return with a transition to allow use of a 20x25 filter.
356485-UIM-G-1211
RIGHT SIDE
23"
1.5"
B
24.25"
RETURN END
Operating Weights
C
C (cm)
10.3
26.2
10.3
26.2
10.3
26.2
11.8
29.9
13.6
34.5
13.6
34.5
11.8
29.9
13.6
34.5
13.6
34.5
15.8
40.1
15.8
40.1
17.5
44.4
Cabinet
Side
Size
(in)
A
16 x 25
A
16 x 25
A
16 x 25
B
16 x 25
B
16 x 25
C
16 x 25
C
(2) 16 x 25
C
(2) 16 x 25
D
(2) 16 x 25
14"
1"
.5"
.5"
Approximate
Lbs
89
91
94
103
114
119
108
118
122
123
129
135
Bottom
(in)
14 x 25
14 x 25
14 x 25
16 x 25
16 x 25
20 x 25
20 x 25
20 x 25
22 x 25
9
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