Performance Data - Bryant 579F User Manual

580F036 (3 TONS)
Temp (F)
Air Entering
Condenser
(Edb)
72
TC 42.8
75
SHC 20.0
kW 2.91
TC 40.8
85
SHC 19.4
kW 3.14
TC 38.7
95
SHC 18.6
kW 3.35
TC 36.5
105
SHC 17.8
kW 3.55
TC 34.3
115
SHC 17.0
kW 3.76
580F048 (4 TONS)
Temp (F)
Air Entering
Condenser
(Edb)
72
TC 57.9
75
SHC 27.2
kW 4.07
TC
55.7
85
SHC 26.4
kW 4.40
TC
52.9
95
SHC 25.5
kW 4.70
TC
50.1
105
SHC 24.4
kW 5.00
TC
47.3
115
SHC 23.4
kW 5.30
580F060 (5 TONS)
Temp (F)
Air Entering
Condenser
(Edb)
72
TC 71.0
75
SHC 33.9
kW 5.04
TC 69.2
85
SHC 33.4
kW 5.50
TC 65.5
95
SHC 32.1
kW 5.88
TC 61.9
105
SHC 30.8
kW 6.25
TC 58.2
115
SHC 29.5
kW 6.63
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 leaving evaporator
lwb
coil (h )
lwb
total capacity (Btuh)
h = h –
lwb ewb
4.5 x cfm
Where: h = Enthalpy of air entering evaporator coil.
ewb

PERFORMANCE DATA

COOLING CAPACITIES
900/0.11
67 62
38.9 35.0
24.5 28.7
2.81 2.70
36.9 33.3
23.7 27.9
3.01 2.90
34.9 31.4
22.9 27.0
3.21 3.09
32.8 29.2
22.1 25.9
3.41 3.27
30.7 26.9
21.3 24.8
3.60 3.45
1200/0.12
67 62
53.1 48.3
33.3 39.2
3.93 3.79
50.8 45.3
32.5 37.8
4.24 4.08
48.1 42.5
31.5 36.4
4.54 4.36
45.3 39.8
30.3 35.1
4.81 4.62
42.6 37.2
29.2 33.7
5.07 4.88
1500/0.07
67 62
63.8 55.4
41.5 47.9
4.82 4.62
61.0 54.2
40.5 47.3
5.27 5.02
56.6 50.4
38.8 45.6
5.62 5.37
53.1 47.1
37.5 44.1
5.99 5.72
49.7 43.7
36.1 42.5
6.35 6.08
Air Entering Evaporator — Cfm/BF
1200/0.14
Air Entering Evaporator — Ewb (F)
72 67
44.8 40.8
21.8 27.5
2.99 2.88
42.5 38.7
21.0 26.8
3.20 3.08
40.4 36.6
20.3 26.0
3.42 3.29
38.1 34.3
19.6 25.2
3.63 3.49
35.7 32.1
19.0 24.4
3.84 3.68
Air Entering Evaporator — Cfm/BF
1600/0.15
Air Entering Evaporator — Ewb (F)
72 67 62
60.4 55.9 51.3
29.4 37.2 44.8
4.17 4.03 3.90
57.7 53.4 48.5
28.4 36.7 43.6
4.47 4.35 4.20
55.2 50.5 45.7
27.6 35.6 42.2
4.78 4.63 4.47
52.3 47.6 42.8
26.7 34.5 40.7
5.10 4.91 4.73
49.3 44.6 40.0
25.9 33.3 39.3
5.42 5.19 4.99
Air Entering Evaporator — Cfm/BF
2000/0.09
Air Entering Evaporator — Ewb (F)
72 67
74.5 67.2
37.4 47.4
5.20 4.97
72.9 65.6
37.0 46.9
5.66 5.41
69.4 60.9
35.8 45.3
6.01 5.76
65.4 56.6
34.5 43.7
6.38 6.13
61.4 52.3
33.2 42.1
6.75 6.49
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
FACTOR
(BF)
.05 1.04
.10
.20
.30
Interpolation is permissible.
Correction Factor = 1.10 x (1 – BF) x (edb – 80).
37
1500/0.17
62 72 67
37.0 45.8 41.9
32.8 23.0 30.0
2.78 3.02 2.92
35.0 43.6 39.9
31.8 22.6 29.7
2.97 3.24 3.14
33.0 41.4 37.6
30.9 22.0 28.8
3.16 3.47 3.35
30.9 39.0 35.2
29.8 21.2 28.0
3.35 3.68 3.54
28.8 36.5 32.9
28.8 20.5 27.1
3.54 3.88 3.74
2000/0.18
72 67
62.2 57.3
31.4 40.3
4.24 4.08
59.4 55.0
30.5 40.3
4.54 4.42
56.7 52.0
29.7 39.2
4.87 4.70
53.6 48.9
28.8 38.1
5.17 4.99
50.5 45.9
27.8 37.1
5.48 5.28
2500/0.12
62 72 67
59.2 76.5 69.7
55.8 40.6 52.8
4.76 5.29 5.06
57.2 75.2 68.1
54.9 40.1 52.3
5.18 5.75 5.50
53.1 71.2 63.3
52.6 39.1 50.9
5.53 6.12 5.87
50.5 67.1 58.8
50.2 37.9 49.3
5.91 6.50 6.23
47.8 63.0 54.3
47.8 36.7 47.6
6.29 6.88 6.59
ENTERING AIR DRY-BULB TEMP (F)
79 78 77 76 75
81 82 83 84 85
Correction Factor
2.07 3.11 4.14 5.18
.98 1.96 2.94 3.92 4.90
.87 1.74 2.62 3.49 4.36
.76 1.53 2.29 3.05 3.82
62
38.2
36.0
2.82
36.1
35.1
3.02
34.1
34.0
3.22
32.4
32.3
3.43
30.6
30.6
3.64
62
52.9
49.1
3.96
50.2
47.9
4.25
47.4
46.7
4.56
44.9
44.6
4.84
42.4
42.4
5.12
62
62.1
61.8
4.87
61.5
61.3
5.29
57.8
57.8
5.67
54.5
54.5
6.06
51.2
51.2
6.46
under 75
over 85
Use formula
shown below.