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5126744-UIM-D-1015
Johnson Controls Unitary Products
13
Table 8:
Physical Data
NOMINAL TONNAGE
MODELS
A24
A30
A36
A42
B48
B60
2.0
2.5
3.0
3.5
4.0
5.0
AHRI Cooling Performance
Gross Capacity @ AHRI A point (MBH)
23.7
30.1
37.2
43.5
47.7
55.0
AHRI net capacity (MBH)
22.8
29.0
34.6
40.7
45.5
52.5
EER
11.0
11.0
11.0
11.0
11.0
11.0
SEER
14.0
14.0
14.0
14.0
14.0
14.0
Nominal CFM
800
1000
1200
1400
1600
2000
System power (KW)
2.1
2.6
3.2
3.8
4.2
4.8
Refrigerant type
R410A
R410A
R410A
R410A
R410A
R410A
Refrigerant charge (lb-oz)
5-4
9-2
8-3
9-4
14-4
14-2
Dimensions (inches)
Length
51-1/4
51-1/4
51-1/4
51-1/4
51-1/4
51-1/4
Width
35-3/4
35-3/4
35-3/4
35-3/4
45-3/4
45-3/4
Height
47
47
47
49
53
55
Operating WT. (lbs.)
343
389
395
466
483
500
Compressors
Type
Recip
Recip
Recip
Scroll
Scroll
Scroll
Outdoor Coil Data
Face area (Sq. Ft.)
15.3
15.3
15.3
17.3
24.1
26.3
Rows
1
2
2
2
2
2
Fins per inch
22
22
22
22
22
22
Tube diameter
3/8
3/8
3/8
3/8
3/8
3/8
Circuitry Type
Interlaced
Interlaced
Interlaced
Interlaced
Interlaced
Interlaced
Indoor Coil Data
Face area (Sq. Ft.)
3.4
3.4
3.4
3.4
4.4
4.4
Rows
2
3
3
3
3
3
Fins per inch
16
16
16
16
16
16
Tube diameter
3/8
3/8
3/8
3/8
3/8
3/8
Circuitry Type
Interlaced
Interlaced
Interlaced
Interlaced
Interlaced
Interlaced
Refrigerant control
TXV
TXV
TXV
TXV
TXV
TXV
Outdoor Fan Data
Fan diameter (Inch)
24
24
24
24
26
26
Type
Prop
Prop
Prop
Prop
Prop
Prop
Drive type
Direct
Direct
Direct
Direct
Direct
Direct
No. speeds
1
1
1
1
1
1
Motor HP each
1/4
1/4
1/4
1/4
1/3
1/3
RPM
850
850
850
850
850
850
Nominal total CFM
2400
2400
2400
2400
3200
3200
Direct Drive Indoor Blower Data
Fan Size (Inch)
11 x 8
11 x 8
11 x 10
11 x 10
11 x 10
11 x 10
Type
Centrifugal
Centrifugal
Centrifugal
Centrifugal
Centrifugal
Centrifugal
Motor HP each
1/2
1/2
1/2
3/4
3/4
1
RPM
1200 Max
1200 Max
1200 Max
1200 Max
1200 Max
1200 Max
Frame size
48
48
48
48
48
48
Filters
Filter Size
A
A
A
A
B
B
Quantity size
Field-supplied external filters must be sized so as not to exceed 300 fpm air velocity through disposable fil-
ters. For internal filter use, a filter rack kit is available. Consult the instructions supplied with that kit for
replacement filter sizes. Filter sizes: A=20x20, B=20x30.