Bryant Legacy Line Series Manual page 28

PERFORMANCE DATA (CONT)
582J*06G (5 TONS) - UNIT WITH PERFECT HUMIDITY SYSTEM IN SUBCOOLING MODE
TEMP (F) AIR ENT
CONDENSER (Edb)
TC
75 SHC
kW
TC
85 SHC
kW
TC
95 SHC
kW
TC
105 SHC
kW
TC
115 SHC
kW
LEGEND
Edb — Entering dry-bulb
Ewb — Entering wet-bulb
kW — Compressor motor power input
Ldb — Leaving dry-bulb
Lwb — Leaving wet-bulb
SHC — Sensible capacity (1000 Btuh) gross
TC — Total capacity (1000 Btuh) gross
28
COOLING CAPACITIES (1-STAGE COOLING) 5 TONS (cont)
1750
72 67 62
51.1 56.4 57.9
25.5 36.1 50.4
3.20 3.30 3.19
54.1 60.4 61.0
47.2 38.7 28.0
3.59 3.67 3.79
62.4 56.6 48.4
26.3 34.9 41.9
4.20 4.09 3.92
58.8 49.9 41.6
22.0 29.0 35.8
4.64 4.46 4.28
51.4 41.9 33.8
15.7 22.2 29.0
5.08 4.83 4.63
AIR ENTERING EVAPORATOR - SCFM
2000
Air Entering Evaporator - Ewb (F)
72 67
47.8 49.9
24.6 31.3
3.25 3.18
56.4 60.4
52.3 40.6
3.81 3.70
62.7 58.6
27.8 38.7
3.97 4.10
60.5 51.9
24.4 32.9
4.33 4.52
53.3 43.7
18.1 26.0
4.69 4.88
NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:
t
ldb
t = Wet-bulb temperature corresponding to enthalpy of air leaving evapora-
ldb
tor coil (h )
lwb
h
lwb
Where h = Enthalpy of air entering evaporator coil
ewb
2250
62 72 67
57.3 49.6 48.9
50.3 25.8 32.0
3.13 3.22 3.13
60.5 56.7 60.7
28.8 27.2 42.6
3.60 3.70 3.74
50.5 62.8 60.0
46.9 29.0 42.1
4.25 4.28 4.12
43.6 61.6 53.5
40.7 26.5 36.6
4.66 4.69 4.57
35.9 54.7 45.3
33.9 20.4 29.7
5.14 5.19 4.92
= t – sensible capacity (Btuh)
edb
1.10 x cfm
= h – total capacity (Btuh)
ewb
4.5 x cfm
62
53.8
44.8
3.25
58.2
56.5
3.61
52.6
51.5
4.03
47.6
42.3
4.41
39.2
35.3
4.77