Trane 7½ - 20 Tons Manual page 18

Table 9. Gross Cooling Capacities (MBh) 15 Tons TWA180B Heat Pump Only
Outdoor
Temp (°F)
Head press PSIG
65 Cap. Btuh/1000
Unit kW
Head press PSIG
75 Cap. Btuh/1000
Unit kW
Head press PSIG
85 Cap. Btuh/1000
Unit kW
Head press PSIG
95 Cap. Btuh/1000
Unit kW
Head press PSIG
105 Cap. Btuh/1000
Unit kW
Head press PSIG
115 Cap. Btuh/1000
Unit kW
Notes:
1. Performance data calculated at 15°F subcooling and 20°F superheat and does not include capacity loss due to refrigerant lines.
Figure 10. Capacity Curves 15 Tons TWA180B Heat Pump Only
18
15 Tons Gross Cooling Capacities and Capacity Curves
Suction Temperature (°F)
30 35
168 173
161.3 177.1 193.6
10.9 11.16 11.43
193 199
154.9 169.9 185.5
11.94 12.22 12.51
221 227
147.7 162 176.8
13.16 13.46 13.78
252 258
140.1 153.7 167.8
14.56 14.89 15.23
285 292
131.9 144.8 158.2
16.14 16.49 16.85
321 328
123.3 135.5 148.3
17.88 18.25 18.64
40 45 50
179 185 191
210.6 228.1
11.71 12.01
205 211 217
201.5 218
12.82 13.14
233 240 247
192.1 207.8
14.11 14.46
265 272 279
182.4 197.5
15.59 15.95
299 306 313
172.2 186.8
17.23 17.61
335 343 351
161.8 176
19.03 19.43
Performance Data
55
197
245.8
12.32
224
234.8
13.47
254
224
14.81
286
213.1
16.32
321
202.1
18
360
190.9
19.83
SSP-PRC001-EN