Carrier WeatherMaker 48TC Series Product Data page 44

Table 23 – COOLING CAPACITIES
48TC08 COOLING CAPACITIES, UNIT WITH HUMIDI---MIZER SYSTEM IN SUBCOOLING MODE
TEMP (F) AIR ENT
CONDENSER (Edb)
TC 103.05
SHC
75
kW
TC
SHC
85
kW
TC
95 SHC
kW
TC
SHC
105
kW
TC
115
SHC
kW
48TC08 COOLING CAPACITIES, UNIT WITH HUMIDI---MIZER SYSTEM IN HOT GAS REHEAT MODE
TEMP (F) AIR ENT
CONDENSER (Edb)
TC
80 SHC --- 3.12
kW
TC
SHC
75
kW
TC
SHC
70
kW
TC
60 SHC
kW
TC
SHC
50
kW
TC
SHC
40
kW
LEGEND
Edb --- Entering Dry--- Bulb
Ewb --- Entering Wet--- Bulb
kW --- Compressor Motor Power Input
Idb --- Leaving Dry--- Bulb
Iwb --- Leaving Wet--- Bulb
SHC --- Sensible Heat Capacity (1000 Btuh) Gross
TC --- Total Capacity (1000 Btuh) Gross
2- - STAGE COOLING
2250/0.05
72 67 62
93.02 83.60
43.66 55.34 67.09
4.90 4.83 4.77
95.39 85.83 76.88
36.42 48.47 60.60
5.49 5.42 5.36
87.48 78.44 69.97
28.98 41.46 53.97
6.16 6.09 6.03
79.35 70.83 62.84
21.34 34.26 47.18
6.93 6.86 6.81
70.87 62.89 55.42
13.40 26.79 40.14
7.79 7.74 7.69
75 Dry Bulb
62.5 Wet Bulb
(50% Relative)
2250 3000 3750
27.60 32.75 30.19
5.20 6.71
4.56 4.51 4.46
35.40 33.78 31.20
4.67 6.17 7.69
4.41 4.36 4.39
36.36 34.71 32.18
5.63 7.14 8.66
4.43 4.49 4.41
38.25 36.64 34.15
7.56 9.09 10.62
4.56 4.55 4.43
40.15 38.60 36.14
9.48 11.03 12.58
4.63 4.52 4.38
42.18 40.62 38.11
11.41 12.98 14.54
4.32 4.37 4.37
AIR ENTERING EVAPORATOR --- CFM
3000/0.07
Air Entering Evaporator --- Ewb (F)
72 67
109.77 99.52
50.99 66.29
4.82 4.88
101.59 91.89
43.24 58.99
5.40 5.47
93.21 84.05
35.32 51.53
6.08 6.14
84.57 75.96
27.17 43.86
6.85 6.91
75.58 67.54
18.70 35.89
7.73 7.78
AIR ENTERING EVAPORATOR --- Ewb (F)
75 Dry Bulb
64 Wet Bulb
(56% Relative)
Air Entering Evaporator --- Cfm
2250 3000
40.09 39.43
3.75 5.24
4.63 4.60
41.14 40.51
4.71 6.21
4.41 4.36
42.10 41.47
5.67 7.18
4.44 4.40
43.97 43.37
7.60 9.13
4.57 4.53
45.95 45.37
9.52 11.07
4.45 4.41
47.80 47.25
11.45 13.02
4.65 4.60
NOTES:
1. Direct interpolation is permissible. Do not extrapolate.
2. The following formulas may be used:
t = t –
ldb edb
t = Wet--- bulb temperature corresponding to enthalpy of air
lwb
leaving evaporator coil (h
h = h –
lwb ewb
Where: h = Enthalpy of air entering evaporator coil
ewb
44
3750/0.09
62 72 67
90.08 114.01 103.69
81.31 57.49 76.27
4.96 4.99 4.91
82.95 105.53 95.76
74.40 49.44 68.68
5.54 5.58 5.50
75.61 96.84 87.63
67.34 41.21 60.92
6.21 6.24 6.17
68.04 87.88 79.23
60.08 32.73 52.95
6.97 7.00 6.93
60.15 78.56 70.51
52.54 23.94 44.68
7.83 7.86 7.80
75 Dry Bulb
65.3 Wet Bulb
(60% Relative)
3750 2250 3000
37.73 45.06 45.25
6.75 3.77 5.26
4.56 4.70 4.67
38.80 46.15 46.37
7.73 4.74 6.24
4.36 4.41 4.39
39.77 47.08 47.31
8.71 5.70 7.21
4.39 4.49 4.47
41.72 48.98 49.22
10.66 7.62 9.15
4.46 4.56 4.55
43.73 50.57 50.97
12.62 9.54 11.10
4.33 5.25 4.91
45.43 52.65 52.75
14.58 11.47 13.04
4.89 4.96 5.20
sensible capacity (Btuh)
1.10 x cfm
)
lwb
total capacity (Btuh)
4.5 x cfm
7.5 TONS
62
95.19
92.20
4.85
87.77
84.90
5.44
80.14
77.41
6.11
72.26
69.70
6.88
64.06
61.67
7.76
3750
44.25
6.78
4.64
45.38
7.76
4.36
46.32
8.74
4.44
48.26
10.69
4.50
49.56
12.64
5.60
51.83
14.60
5.12