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92
PERFORMANCE DATA
COOLING CAPACITIES, STANDARD UNITS
Standard Ratings
LEGEND
NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:
Where: h
ewb
= Enthalpy of air entering evaporator coil.
3. The SHC is based on 80 F edb temperature of air entering evaporator coil.
Below 80 F edb, subtract (corr factor x cfm) from SHC.
Above 80 F edb, add (corr factor x cfm) to SHC.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).
581B036 (3 TONS)
Temp (F)
Air Ent
Condenser
(Edb)
Air Entering Evaporator — Cfm/BF
900/0.14
1200/0.17
1500/0.20
Air Entering Evaporator — Ewb
72
67
62
72
67
62
72
67
62
75
TC
41.9
38.7
35.7
43.5
40.8
37.7
44.8
41.8
39.0
SHC
20.4
25.2
29.7
21.8
28.2
33.8
23.3
30.7
37.0
kW
2.19
2.16
2.12
2.21
2.18
2.15
2.23
2.19
2.16
85
TC
40.7
37.5
34.5
42.1
39.3
36.4
43.5
40.4
37.6
SHC
19.9
24.7
29.2
21.5
27.7
33.2
23.2
30.3
36.4
kW
2.46
2.42
2.39
2.47
2.44
2.41
2.50
2.45
2.42
95
TC
39.3
36.1
33.1
40.8
37.8
34.9
42.0
38.9
36.1
SHC
19.5
24.1
28.4
21.1
27.2
32.5
22.8
29.9
35.6
kW
2.75
2.71
2.66
2.77
2.73
2.69
2.79
2.74
2.71
105
TC
37.7
34.6
31.7
39.3
36.2
33.4
40.1
37.2
34.7
SHC
18.8
23.5
27.8
20.7
26.6
31.8
22.1
29.3
34.7
kW
3.06
3.02
2.98
3.09
3.04
3.01
3.10
3.06
3.03
115
TC
36.0
33.0
29.7
37.4
34.5
31.5
38.1
35.5
33.2
SHC
18.3
22.9
26.7
19.9
26.1
30.9
21.3
28.7
33.2
kW
3.41
3.36
3.31
3.43
3.39
3.34
3.44
3.41
3.37
125
TC
34.2
31.3
27.8
35.6
32.7
29.4
36.3
33.6
31.9
SHC
17.6
22.2
25.8
19.4
25.4
29.4
20.8
28.0
31.8
kW
3.78
3.73
3.66
3.80
3.76
3.71
3.81
3.78
3.75
581B048 (4 TONS)
Temp (F)
Air Ent
Condenser
(Edb)
Air Entering Evaporator — Cfm/BF
1200/0.17
1450/0.19
1600/0.21
2000/0.24
Air Entering Evaporator — Ewb (F)
72
67
62
72
67
62
72
67
62
72
67
62
75
TC
54.0
50.7
44.2
55.9
52.2
47.7
56.4
52.8
49.1
58.1
54.5
50.6
SHC
26.1
32.7
37.5
27.6
35.1
41.8
28.2
36.2
43.8
30.2
39.5
47.5
kW
2.81
2.80
2.76
2.83
2.81
2.78
2.83
2.80
2.79
2.84
2.82
2.79
85
TC
52.2
48.9
41.9
54.1
50.4
45.9
54.5
51.0
47.2
55.3
52.3
48.7
SHC
25.4
32.0
36.4
26.9
34.5
40.8
27.5
35.7
42.8
28.6
38.5
46.6
kW
3.20
3.19
3.15
3.22
3.20
3.17
3.22
3.20
3.18
3.22
3.20
3.18
95
TC
50.7
46.9
39.5
51.9
48.4
43.5
52.5
48.9
45.2
53.9
50.1
46.7
SHC
24.9
31.1
35.0
26.1
33.6
39.6
26.8
34.7
41.8
28.8
37.5
45.6
kW
3.64
3.61
3.57
3.65
3.62
3.60
3.65
3.62
3.60
3.67
3.63
3.61
105
TC
48.8
44.5
36.7
49.8
46.2
40.7
50.2
46.7
42.1
51.5
48.2
44.7
SHC
24.3
30.2
33.6
25.3
32.8
38.2
26.0
33.9
40.3
27.9
37.4
44.4
kW
4.12
4.09
4.03
4.12
4.09
4.06
4.12
4.09
4.07
4.14
4.11
4.08
115
TC
46.5
41.1
34.3
47.7
43.3
37.0
48.0
44.4
38.5
48.9
45.7
42.0
SHC
23.4
28.9
32.4
24.9
31.8
36.3
25.4
33.4
38.3
27.1
36.9
42.0
kW
4.64
4.59
4.53
4.65
4.62
4.55
4.64
4.63
4.56
4.65
4.63
4.60
125
TC
43.8
37.5
32.4
45.1
39.0
33.8
45.3
40.1
35.4
46.3
42.6
38.8
SHC
22.5
27.4
31.5
24.1
30.2
33.7
24.7
31.9
35.4
26.5
35.9
38.8
kW
5.19
5.13
5.05
5.20
5.15
5.09
5.19
5.17
5.11
5.20
5.19
5.15
581B060 (5 TONS)
Temp (F)
Air Ent
Condenser
(Edb)
Air Entering Evaporator — Cfm/BF
1500/0.08
1750/0.09
2000/0.11
2500/0.13
Air Entering Evaporator — Ewb (F)
72
67
62
72
67
62
72
67
62
72
67
62
75
TC
70.8
65.4
58.5
72.5
67.3
61.1
73.0
68.4
62.8
74.8
70.3
64.8
SHC
34.1
42.7
49.9
35.7
45.5
54.2
36.8
48.0
57.8
39.6
53.0
63.4
kW
3.53
3.49
3.44
3.55
3.50
3.46
3.55
3.51
3.47
3.57
3.54
3.48
85
TC
68.9
63.2
55.3
70.5
65.1
57.9
72.2
66.4
60.2
73.2
68.1
62.9
SHC
33.5
41.8
48.4
35.0
44.8
52.8
37.0
47.6
56.8
39.3
52.5
62.4
kW
3.98
3.94
3.87
4.00
3.96
3.90
4.03
3.97
3.92
4.04
3.99
3.94
95
TC
66.8
60.6
52.4
68.3
62.5
54.3
69.3
63.8
56.6
71.2
65.6
60.6
SHC
32.8
40.7
47.0
34.5
43.8
51.1
36.0
46.7
55.0
39.1
51.8
60.5
kW
4.48
4.43
4.35
4.50
4.45
4.37
4.51
4.46
4.40
4.55
4.48
4.44
105
TC
64.3
57.7
49.9
65.9
59.8
51.7
66.9
61.1
54.1
68.4
62.8
58.4
SHC
32.0
39.6
45.8
33.7
42.8
49.7
35.3
45.7
53.5
38.4
51.0
58.4
kW
5.03
4.96
4.87
5.05
4.99
4.90
5.06
5.00
4.93
5.08
5.02
4.98
115
TC
61.5
54.8
47.3
62.8
56.7
49.1
64.0
58.2
51.6
65.4
59.9
56.1
SHC
31.0
38.4
44.5
32.5
41.6
48.2
34.4
44.6
51.6
37.4
50.0
56.1
kW
5.61
5.55
5.46
5.62
5.58
5.49
5.65
5.60
5.52
5.67
5.61
5.57
125
TC
58.7
51.6
44.5
59.9
53.4
46.2
60.8
54.9
49.0
62.2
56.8
53.5
SHC
30.0
37.2
43.1
31.7
40.4
46.2
33.3
43.4
48.9
36.4
48.9
53.4
kW
6.27
6.19
6.09
6.28
6.21
6.13
6.29
6.24
6.17
6.31
6.27
6.22
BF
—
Bypass Factor
Edb
—
Entering Dry Bulb
Ewb
—
Entering Wet Bulb
kW
—
Compressor Motor Power Input
SHC
—
Sensible Heat Capacity (1000 Btuh) Gross
TC
—
Total Capacity (1000 Btuh) Gross
t
ldb
=
t
edb
–
sensible capacity (Btuh)
1.10 x cfm
t
lwb
=
Wet-bulb temperature corresponding to enthalpy of air leaving
evaporator coil (h
lwb
)
h
lwb
=
h
ewb
–
total capacity (Btuh)
4.5 x cfm
581
B0
36
-15
0
Summary of Contents for 579F180
Page 26: ...26 BASE UNIT DIMENSIONS 580F036 072 a48 8195 580F036 151 ...
Page 27: ...27 BASE UNIT DIMENSIONS 580F073 a48 8196 580F036 151 ...
Page 28: ...28 BASE UNIT DIMENSIONS 580F090 120 150 a48 8197 580F036 151 ...
Page 29: ...29 BASE UNIT DIMENSIONS 580F091 103 121 151 a48 8198 580F036 151 ...
Page 87: ...87 BASE UNIT DIMENSIONS 581B036 072 a48 8199 581B036 150 ...
Page 89: ...89 ACCESSORY DIMENSIONS 581B036 072 a48 8201 581B036 150 ...
Page 90: ...90 ACCESSORY DIMENSIONS 581B090 150 a48 8202 581B036 150 ...
Page 135: ...135 TYPICAL WIRING SCHEMATICS 581B SIZES 036 150 581B090 460 3 60 Shown a48 8233 581B036 150 ...
Page 167: ...167 TYPICAL WIRING SCHEMATICS 579F 579F240 208 230 V Shown a48 7929 0TFQ004 012 579F180 300 ...
Page 174: ...174 BASE UNIT DIMENSIONS 580F180 210 a48 8203 0TFQ004 012 580F180 300 ...
Page 175: ...175 BASE UNIT DIMENSIONS 580F240 a48 8204 0TFQ004 012 580F180 300 ...
Page 176: ...176 BASE UNIT DIMENSIONS 580F300 a48 8205 0TFQ004 012 580F180 300 ...
Page 178: ...178 ACCESSORY DIMENSIONS 580F300 Vertical Roof Curbs 580F300 a48 7456 0TFQ004 012 580F180 300 ...
Page 202: ...202 BASE UNIT DIMENSIONS 581A210 300 a48 8206 581A155 300 ...
Page 206: ...206 ACCESSORY DIMENSIONS 581A210 300 a48 8234 581A155 300 ...