Carrier WeatherMaker 48TC Series Product Data page 54

Table 33 – COOLING CAPACITIES
TEMP (F) AIR ENT
CONDENSER (Edb)
TC 204.4
SHC 98.9
75
kW 11.57
TC 189.2
SHC 79.5
85
kW 12.59
TC 174.0
SHC 60.0
95
kW 13.68
TC 158.8
SHC 40.5
105
kW 14.67
TC 143.6
SHC 21.0
115
kW 15.77
TEMP (F) AIR ENT
CONDENSER Edb)
4500
TC 83.75
SHC 37.50
80
kW 10.50
TC 85.00
SHC 40.00
75
kW 10.16
TC 86.15
SHC 42.10
70
kW 9.84
TC 88.90
SHC 46.80
60
kW 9.37
TC 91.70
SHC 51.50
50
kW 9.12
TC 94.45
SHC 56.30
40
kW 9.05
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
48TC*E16 Cooling Capacities, Subcooling Mode
4500/0.02
72 67 62
186.3 168.2
118.1 137.2
11.22 10.77
171.7 154.1
103.4 127.3
12.24 11.81
157.0 140.0
88.7 117.5
13.35 12.86
142.3 125.8
74.1 107.7
14.41 13.88
127.6 111.7
59.4 97.8
15.38 14.88
48TC*E 16 COOLING CAPACITIES, HOT GAS REHEAT MODE
75 Dry Bulb
62.5 Wet Bulb
(50% Relative)
6000 7500
84.85 88.95
42.80 55.10
11.49 11.60
86.00 90.50
45.00 57.30
11.15 11.25
87.35 91.50
47.50 59.80
10.83 10.94
90.10 94.25
52.30 64.60
10.36 10.44
92.80 97.00
57.10 69.40
10.09 10.16
95.60 99.80
61.40 73.70
10.02 10.10
AIR ENTERING EVAPORATOR --- CFM
6000/0.06
Air Entering Evaporator --- Ewb (F)
72 67
218.4 199.6
114.8 133.7
11.78 11.45
203.0 184.8
96.5 120.2
12.81 12.50
187.6 170.1
78.2 106.8
13.91 13.57
172.2 155.3
59.9 93.3
14.90 14.55
156.8 140.5
41.6 79.9
15.88 15.65
AIR ENTERING EVAPORATOR --- Ewb (F)
75 Dry Bulb
64 Wet Bulb
(56% Relative)
Air Entering Evaporator --- Cfm
4500 6000
86.65 91.90
30.90 40.40
10.56 10.65
88.05 93.60
33.20 42.30
10.21 10.31
89.20 94.30
35.50 45.30
10.02 10.13
92.00 97.10
40.20 50.10
9.42 9.52
94.80 99.90
44.80 54.80
9.17 9.28
97.45 102.55
49.70 59.20
9.10 9.21
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
54
7500/0.05
62 72 67
180.9 229.6 210.4
152.6 127.6 146.2
11.00 12.06 11.64
166.7 214.1 195.5
144.0 110.2 133.7
12.03 13.05 12.66
152.5 198.6 180.6
135.3 92.9 121.3
13.05 14.15 13.75
138.3 183.1 165.7
126.7 75.5 108.8
14.10 15.15 14.73
124.1 167.6 150.9
118.1 58.1 96.3
15.10 16.12 15.84
75 Dry Bulb
65.3 Wet Bulb
(60% Relative)
7500 4500 6000
92.90 87.90 91.75
44.50 24.80 29.30
11.70 11.60 11.72
94.65 89.20 93.45
46.90 26.90 31.50
11.33 11.26 11.35
96.10 90.40 94.10
49.50 29.50 33.90
11.03 10.95 11.05
98.20 93.20 96.90
54.10 34.10 38.60
10.55 10.45 10.57
101.00 96.10 99.70
58.90 38.70 43.20
10.26 10.17 10.26
103.70 98.65 102.35
63.30 43.60 48.10
10.18 10.11 10.20
sensible capacity (Btuh)
1.10 x cfm
)
lwb
total capacity (Btuh)
4.5 x cfm
15 TONS
62
191.2
164.9
11.35
176.9
157.3
12.47
162.7
149.7
13.47
148.4
142.0
14.53
134.2
134.2
15.54
7500
96.30
34.10
11.77
97.85
36.30
11.42
98.95
38.70
11.12
101.75
43.40
10.64
104.20
49.00
10.32
107.00
52.90
10.26