Carrier WeatherMaker 48TC Series Product Data page 52

Table 31 – COOLING CAPACITIES
48TC14 COOLING CAPACITIES, UNIT WITH HUMIDI---MIZER SYSTEM IN SUBCOOLING MODE
TEMP (F) AIR ENT
CONDENSER (Edb)
TC 183.66
SHC
75
kW
TC 172.71
SHC
85
kW
TC 161.37
95 SHC
kW
TC 149.57
SHC
105
kW
TC 137.22
115
SHC
kW
48TC14 COOLING CAPACITIES, UNIT WITH HUMIDI---MIZER SYSTEM IN HOT GAS REHEAT MODE
TEMP (F)AIR ENT
CONDENSER(Edb)
TC
80 SHC --- 0.39
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
3750/0.02
72 67 62
166.86 151.43
79.39 100.52 121.91
9.82 9.63 9.46
156.78 142.09
69.03 90.92 112.95
10.82 10.63 10.45
146.24 132.38
58.44 81.04 103.77
11.92 11.73 11.56
135.32 122.21
47.57 70.92 94.32
13.12 12.94 12.77
123.88 111.55
36.31 60.47 84.57
14.41 14.25 14.10
75 Dry Bulb
62.5 Wet Bulb
(50% Relative)
3750 5000 6250
52.42 45.88 36.99
--- 0.54 --- 0.67
9.65 9.39 9.07
53.45 46.63 36.10
0.59 0.44 0.30
9.09 8.83 8.49
54.33 46.91 37.58
1.56 1.41 1.29
8.81 8.53 8.62
55.47 49.48 40.48
3.50 3.38 3.27
8.36 8.84 8.98
58.33 51.72 42.81
5.47 5.35 5.24
8.98 9.25 9.43
60.33 53.69 46.89
7.42 7.31 7.22
9.16 9.88 9.06
AIR ENTERING EVAPORATOR --- CFM
5000/0.06
Air Entering Evaporator --- Ewb (F)
72 67
194.90 177.83
91.70 119.42
9.58 9.76
183.32 167.13
80.69 109.17
10.57 10.76
171.36 156.04
69.42 98.67
11.68 11.86
158.89 144.45
57.85 87.91
12.89 13.06
145.85 132.33
45.87 76.77
14.20 14.35
AIR ENTERING EVAPORATOR --- Ewb (F)
75 Dry Bulb
64 Wet Bulb
(56% Relative)
Air Entering Evaporator --- Cfm
3750 5000
62.64 58.07
--- 0.31 --- 0.46
9.97 9.77
63.77 59.11
0.67 0.52
9.39 9.20
64.77 60.01
1.64 1.50
9.15 8.94
66.62 62.07
3.59 3.47
9.88 9.56
68.72 63.93
5.54 5.43
9.33 8.97
70.67 65.93
7.49 7.39
9.50 9.05
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
52
6250/0.05
62 72 67
162.05 201.97 184.84
147.05 102.94 137.00
9.96 10.04 9.84
152.17 189.98 173.73
137.51 91.49 126.33
10.96 11.04 10.84
141.86 177.62 162.22
127.71 79.83 115.45
12.05 12.14 11.93
131.10 164.74 150.27
117.61 67.79 104.26
13.24 13.32 13.13
119.84 151.27 137.71
107.19 55.34 92.66
14.53 14.59 14.42
75 Dry Bulb
65.3 Wet Bulb
(60% Relative)
6250 3750 5000
51.07 71.56 68.64
--- 0.58 --- 0.26 --- 0.40
9.50 10.25 10.11
51.87 72.76 69.80
0.40 0.72 0.58
8.94 9.67 9.53
52.30 73.80 70.80
1.38 1.70 1.56
8.65 9.46 9.31
54.88 75.68 72.76
3.36 3.65 3.52
9.10 9.83 9.64
55.84 77.74 74.77
5.32 5.60 5.49
8.73 9.55 9.33
49.83 79.46 76.62
7.23 7.55 7.45
9.47 10.31 10.00
sensible capacity (Btuh)
1.10 x cfm
)
lwb
total capacity (Btuh)
4.5 x cfm
12.5 TONS
62
170.53
166.71
9.67
160.25
156.65
10.67
149.50
146.15
11.77
138.35
135.30
12.97
126.67
123.98
14.28
6250
63.23
--- 0.52
9.89
64.31
0.47
9.32
65.24
1.45
9.08
67.28
3.42
9.31
69.24
5.39
9.70
71.24
7.37
9.48