Trane 5TWR4 Installation And Operation Manual page 15

STEP 2 - Determine the final subcooling value using
total Line Length and Lift measured in STEP 1 and
the charts below.
For 018A - 060A Models:
018A Models
SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
60
50
40
30
25
20
15
10
0
10 20
TOTAL REFRIGERANT LINE LENGTH (FEET)
SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
60
50
40
30
25
20
15
10
0
10 20
TOTAL REFRIGERANT LINE LENGTH (FEET)
030A Models
SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
60
50
40
30
25
20
15
10
0
10 20
TOTAL REFRIGERANT LINE LENGTH (FEET)
042A Models
SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
60
50
40
30
25
20
15
10
0
10 20
TOTAL REFRIGERANT LINE LENGTH (FEET)
060A Models
SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
60
50
40
30
25
20
15
10
Design Add 1° of Subcooling
0
10 20
TOTAL REFRIGERANT LINE LENGTH (FEET)
18-BC117D1-1B-EN
Add 3°
Add 2°
Add 1° of Subcooling
Use Design Subcool Value
25 30 40
024A Models
Add 1° of Subcooling
Use Design Subcool Value
25 30 40
Add 4°
Add 3°
Add 2° of Subcooling
Add 1° of Subcooling
Use Design Subcool Value
25 30 40
Add 6°
Add 5°
Add 3° of Subcooling
Add 2° of Subcooling
Add 1° of Subcooling
Use Design Subcool Value
25 30 40
Add 6°
Add 5° of Subcooling
Add 4° of Subcooling
Add 3° of Subcooling
Add 2° of Subcooling
25 30 40
R-454B REFRIGERANT CHARGING CHART
LIQUID
TEMP
( ° F)
170 172 175 178 181 184 187
55
184 187 190 194 197 200 203
60
200 203 206 210 213 217 220
65
217 220 223 227 230 234 238
70
234 238 241 245 249 252 256
75
252 256 260 264 268 272 276
80
272 276 280 284 288 292 297
85
60
292 297 301 305 309 314 318
90
314 318 323 327 332 336 341
95
336 341 346 351 355 360 365
100
360 365 370 375 380 385 390
105
Add 4°
385 390 396
110
Add 2°
412 417 422 428 433 439 445
115
439 445 450 456 462 468 474
120
468 474 480 486 492 498 504
125
60
SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
60
50
40
30
25
20
15
10
0
60 10
TOTAL REFRIGERANT LINE LENGTH (FEET)
SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
60
50
40
30
25
20
15
10
0
10
60
TOTAL REFRIGERANT LINE LENGTH (FEET)
Design Subcooling Value = __________º F
(from nameplate or Service Facts)
Subcooling Correction = __________º F
Final Subcooling Value = __________º F
60
DESIGN SUBCOOLING (
8 9 10 11 12
LIQUID GAGE PRESSURE (PSI)
401 406 412 417
036A Models
Add 1° of Subcooling
Use Design Subcool Value
20 25 30
048A Models
Add 3° of Subcooling
Add 1° of Subcooling
Use Design Subcool Value
20 25 30
°
F)
13 14
Add 5°
Add 4°
Add 3° of Subcooling
Add 2°
40 60
Add 6°
Add 4° of Subcooling
Add 2° of Subcooling
40 60
15