Carrier WeatherMaker 48TC Series Product Data page 47

Table 26 – COOLING CAPACITIES
48TC09 COOLING CAPACITIES, UNIT WITH HUMIDI---MIZER SYSTEM IN SUBCOOLING MODE
TEMP (F) AIR ENT
CONDENSER (Edb)
TC 119.20
SHC
75
kW
TC 110.40
SHC
85
kW
TC 101.37
95 SHC
kW
TC
SHC
105
kW
TC
115
SHC
kW
48TC09 COOLING CAPACITIES, UNIT WITH HUMIDI---MIZER SYSTEM IN HOT GAS REHEAT MODE
TEMP (F) AIR ENT
CONDENSER (Edb)
TC
80 SHC --- 0.52
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
2550/0.04
72 67 62
107.44 96.41
50.63 63.94 77.40
5.67 5.57 5.47
99.22 88.76
42.39 56.16 70.07
6.33 6.23 6.14
90.79 80.86
33.97 48.22 62.56
7.08 6.99 6.90
92.04 82.06 72.71
25.31 40.06 54.88
7.94 7.85 7.77
82.37 73.01 64.24
16.38 31.65 46.95
8.92 8.84 8.77
75 Dry Bulb
62.5 Wet Bulb
(50% Relative)
2550 3400 4250
37.61 33.13 26.77
--- 0.63 --- 0.73
5.88 5.68 5.44
38.71 34.24 27.86
0.45 0.34 0.25
5.68 5.47 5.22
39.70 35.25 28.83
1.41 1.32 1.23
5.65 5.42 5.24
41.77 37.33 30.76
3.34 3.26 3.18
5.42 5.15 5.17
43.83 39.27 32.61
5.27 5.21 5.14
5.18 5.15 5.17
45.75 41.13 34.50
7.20 7.15 6.95
4.79 4.98 4.80
AIR ENTERING EVAPORATOR --- CFM
3400/0.05
Air Entering Evaporator --- Ewb (F)
72 67
126.95 114.98
59.17 76.72
5.54 5.63
117.63 106.26
50.42 68.45
6.20 6.30
108.07 97.31
41.46 60.01
6.96 7.05
98.19 88.05
32.24 51.33
7.83 7.91
87.95 78.45
22.71 42.37
8.82 8.89
AIR ENTERING EVAPORATOR --- Ewb (F)
75 Dry Bulb
64 Wet Bulb
(56% Relative)
Air Entering Evaporator --- Cfm
2550 3400
44.74 41.60
--- 0.46 --- 0.57
6.13 5.97
45.84 42.73
0.50 0.40
5.94 5.78
46.80 43.70
1.47 1.37
5.97 5.79
48.86 45.80
3.40 3.32
5.80 5.59
50.92 47.89
5.32 5.27
5.62 5.39
53.08 50.00
7.26 7.21
5.25 5.01
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
47
4250/0.07
62 72 67
103.92 131.87 119.81
94.21 66.80 88.44
5.74 5.79 5.68
95.77 122.21 110.77
86.38 57.71 79.86
6.40 6.45 6.34
87.39 112.29 101.47
78.39 48.40 71.09
7.16 7.20 7.09
78.72 102.07 91.86
70.17 38.85 62.06
8.01 8.06 7.95
69.73 91.46 81.90
61.69 28.94 52.74
8.98 9.02 8.93
75 Dry Bulb
65.3 Wet Bulb
(60% Relative)
4250 2550 3400
36.46 50.96 48.99
--- 0.67 --- 0.42 --- 0.53
5.76 6.35 6.24
37.59 52.05 50.11
0.31 0.54 0.44
5.56 6.18 6.07
38.59 52.97 51.04
1.29 1.50 1.41
5.53 6.26 6.13
40.71 55.00 53.10
3.25 3.43 3.36
5.30 6.16 6.01
42.70 57.04 55.16
5.21 5.36 5.31
5.05 6.04 5.87
44.64 59.24 57.40
7.16 7.29 7.25
5.23 5.68 5.51
sensible capacity (Btuh)
1.10 x cfm
)
lwb
total capacity (Btuh)
4.5 x cfm
8.5 TONS
62
109.54
108.22
5.59
101.07
99.95
6.25
92.38
91.47
7.01
83.40
82.67
7.87
74.09
73.52
8.86
4250
44.93
--- 0.62
6.06
46.06
0.36
5.88
47.02
1.34
5.91
49.12
3.29
5.75
51.22
5.25
5.59
53.44
7.21
5.21