Bryant 579F User Manual page 40

580F121 (10 TONS)
Temp (F)
Air Entering
Condenser
(Edb)
72
TC 138.2
75 SHC 68.0
kW 8.37
TC 132.3
85 SHC 65.5
kW 8.92
TC 126.3
95 SHC 63.3
kW 9.54
TC 120.2
105 SHC 61.5
kW 10.23
TC 117.1
115 SHC 60.5
kW 10.51
580F150 (12 1 / TONS)
2
Temp (F)
3750/0.08
Air Entering
Condenser
(Edb)
72
TC 175.6
75 SHC 85.7
kW 11.16
TC 169.3
85 SHC 83.9
kW 12.15
TC 161.9
95 SHC 81.4
kW 13.12
TC 154.9
105 SHC 79.0
kW 14.16
TC 146.2
115 SHC 76.1
kW 15.09
580F151 (12 / TONS)
1
2
Temp (F)
3750/0.08
Air Entering
Condenser
(Edb)
72
TC 164.6
75 SHC 81.3
kW 10.24
TC 159.9
85 SHC 79.7
kW 11.38
TC 154.2
95 SHC 77.9
kW 12.59
TC 147.8
105 SHC 75.4
kW 13.84
TC 139.7
115 SHC 72.5
kW 15.03
TC 130.5
125 SHC 69.8
kW 16.32
Standard Ratings
LEGEND
BF — Bypass Factor
Edb — Entering Dry-Bulb
Ewb — Entering Wet-Bulb
kW — Compressor Motor Power Input
Ldb — Leaving Dry-Bulb
Lwb — Leaving Wet-Bulb
SHC — Sensible Heat Capacity (1000 Btuh) Gross
TC — Total Capacity (1000 Btuh) Gross
NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:
sensible capacity (Btuh)
t = t –
ldb edb
1.10 x cfm
t = Wet-bulb temperature corresponding to enthalpy of air
lwb
leaving evaporator coil (h
total capacity (Btuh)
h = h –
lwb ewb
4.5 x cfm
Where: h = Enthalpy of air entering evaporator coil.
ewb
PERFORMANCE DATA (cont)
COOLING CAPACITIES (cont)
3000/0.095
67 62
127.0 114.0
84.1 99.1
8.07 7.80
121.7 105.9
81.9 95.5
8.63 8.35
115.7 98.4
79.8 91.6
9.24 8.91
106.5 89.5
76.2 86.7
9.87 9.51
99.8 85.7
73.7 84.9
10.13 9.77
4500/0.09
67 62 72
162.2 149.2 181.0
107.3 128.0 91.4
10.85 10.57 11.32
155.7 140.6 174.2
104.8 124.0 89.6
11.78 11.42 12.31
148.9 132.0 166.8
102.0 119.8 87.0
12.72 12.28 13.30
141.3 123.0 158.8
99.2 115.5 84.5
13.66 13.17 14.31
132.2 113.1 150.5
95.7 110.3 81.7
14.57 14.07 15.30
4300/0.09
67 62 72
152.0 139.9 167.3
101.9 121.7 84.5
9.96 9.71 10.31
147.1 133.6 162.6
99.9 119.1 83.1
11.05 10.82 11.45
141.5 124.4 157.2
98.0 114.8 81.8
12.26 11.95 12.68
134.2 114.0 150.7
95.2 109.5 79.6
13.48 13.12 13.92
120.4 102.8 142.1
89.8 102.6 76.7
14.70 14.34 15.12
107.0 92.5 132.8
84.4 92.4 73.7
15.91 15.67 16.43
)
lwb
Air Entering Evaporator — Cfm/BF
4000/0.125
Air Entering Evaporator — Ewb (F)
72 67
145.0 132.9
74.5 95.1
8.57 8.24
138.4 127.2
72.4 93.3
9.15 8.81
131.8 121.0
70.3 91.4
9.75 9.42
124.9 113.8
68.1 89.3
10.40 10.06
122.2 105.7
67.6 86.3
10.70 10.34
Air Entering Evaporator — Cfm/BF
5000/0.10
Air Entering Evaporator — Ewb (F)
67 62 72
167.5 154.2 182.9
116.2 140.3 94.2
11.00 10.69 11.37
160.7 147.0 176.9
113.9 137.0 92.7
11.94 11.58 12.39
153.5 139.1 169.5
111.1 133.2 90.7
12.89 12.46 13.40
145.4 130.2 160.9
108.2 128.1 87.8
13.82 13.35 14.38
137.0 122.4 152.3
105.2 122.3 85.0
14.76 14.25 15.37
Air Entering Evaporator — Cfm/BF
5000/0.11
Air Entering Evaporator — Ewb
67 62 72
155.3 142.6 170.9
108.1 130.0 88.9
10.05 9.78 10.42
150.2 137.4 166.3
106.3 128.0 88.3
11.14 10.87 11.58
144.6 129.3 159.9
104.5 124.1 86.3
12.36 12.04 12.75
137.2 119.1 153.3
101.9 118.2 84.4
13.58 13.24 14.01
124.2 109.1 145.5
97.0 109.1 82.1
14.80 15.24 15.24
109.7 135.5 135.5
91.5 99.2 79.0
16.00 15.79 16.52
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.
BYPASS
79
FACTOR
81
(BF)
.05 1.04
.10 .98
.20 .87
.30 .76
Interpolation is permissible.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).
40
5000/0.15
62 72 67
122.0 149.1 136.6
114.7 81.1 106.3
7.95 8.72 8.36
116.6 142.5 130.2
112.2 78.9 103.6
8.52 9.29 8.92
108.8 135.2 124.2
107.8 76.2 101.9
9.11 9.87 9.55
100.3 128.3 117.2
100.3 74.4 100.1
9.78 10.52 10.19
95.1 124.8 111.8
95.1 74.1 98.6
10.10 10.80 10.46
67 62 72
170.2 156.4 187.2
122.2 146.5 102.1
11.07 10.73 11.49
163.0 149.7 181.5
119.7 143.6 100.9
12.01 11.63 12.53
155.7 142.8 173.2
117.3 140.2 98.3
12.97 12.56 13.54
147.6 135.0 165.3
114.3 134.9 96.6
13.91 13.48 14.58
139.4 127.8 155.2
111.6 127.7 92.9
14.87 14.43 15.49
67 62 72
158.2 146.2 173.9
115.9 139.8 96.7
10.12 9.84 10.50
153.0 141.3 169.5
114.1 137.7 96.1
11.20 10.97 11.66
147.6 134.5 164.0
112.5 133.8 94.4
12.44 12.15 12.88
140.4 136.4 156.4
110.6 126.5 92.2
13.69 13.37 14.06
127.5 117.1 148.4
105.7 116.6 90.4
14.90 14.65 15.35
112.7 105.0 138.2
99.9 104.9 87.7
16.11 15.97 16.59
ENTERING AIR DRY-BULB TEMP (F)
78 77 76 75 under 75
82 83 84 85
Correction Factor
2.07 3.11 4.14 5.18
1.96 2.94 3.92 4.90 Use formula
1.74 2.62 3.49 4.36 shown below.
1.53 2.29 3.05 3.82
62
125.9
125.3
8.07
120.9
120.8
8.65
116.1
116.0
9.28
109.9
109.9
9.99
104.6
104.6
10.29
6250/0.12
67 62
174.7 161.8
135.3 160.7
11.19 10.87
167.3 155.8
133.4 155.6
12.14 11.82
159.5 149.6
130.8 149.6
13.11 12.78
151.2 143.2
127.8 143.1
14.07 13.77
142.7 136.0
125.0 135.8
15.02 14.73
6250/0.13
67 62
162.0 151.0
128.7 150.8
10.23 9.95
156.8 147.1
127.4 146.9
11.32 11.08
150.9 142.3
125.8 142.2
12.54 12.31
143.7 136.7
124.0 136.6
13.80 13.58
133.2 128.1
120.1 128.0
15.04 14.86
121.1 118.3
114.6 118.3
16.21 16.10
over 85