Trane Oxbox J4HP4018A1 Installation Instructions Manual page 12

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Outdoor Unit
Model
Motor Speed
Size(Tons)
(Recommended)
60
3.5
(Factory Default)
60
4
(Recommended)
(Factory Default)
60
5
(Factory Default)
60
5
(J4AH6E60
A1C00AA)
(Factory Default)
--- Shaded boxes represent airflow outside the required 300-450 cfm/ton.
NOTES: Airflow based upon cooling performance at 230V with no electric heat and no filter.Airflow at 208V is approximately the same as 230V
because the mult-tap ECM motor is a constant torque motor. The torque doesn't drop off at the speeds in which the motor operates.
The air distribution system has the greatest effect on airflow. The duct system is totally controlled by the contractor. For this reason, the contractor
should use only industry-recognized procedures.
Heat pump systems require a specified airflow for electric heat operating. Each ton of cooling requires between 350 and 450 cubic feet of air per
minute (CFM), or 400 CFM nominally.
Duct design and construction should be carefully done. System performance can be lowered dramatically through bad planning or workmanship.
Air supply diffusers must be selected and located carefully. They must be sized and positioned to deliver treated air along the perimeter of the
space. If they are too small for their intended airflow, they become noisy. If they are not located properly, they cause drafts. Return air grilles must
be properly sized to carry air back to the blower. If they are too small, they also cause noise.
The installers should balance the air distribution system to ensure proper quiet airflow to all rooms in the home. This ensures a comfortable living
space.
An air velocity meter or airflow hood can be used to balance and verify branch and system airflow (CFM).
0[0]
SCFM
1344
1
Power/W
143
Current/A
1.23
SCFM
1531
2
Power/W
200
Current/A
1.73
SCFM
1647
3
Power/W
244
Current/A
2.03
SCFM
1875
4
Power/W
340
Current/A
2.73
SCFM
2021
5
Power/W
409
Current/A
3.21
SCFM
1344
1
Power/W
143
Current/A
1.23
SCFM
1531
2
Power/W
200
Current/A
1.73
SCFM
1647
3
Power/W
244
Current/A
2.03
SCFM
1875
4
Power/W
340
Current/A
2.73
SCFM
2021
5
Power/W
409
Current/A
3.21
1344
CFM
1
Watts
143
Current/A
1.23
1531
CFM
2
200
Watts
Current/A
1.73
1647
CFM
3
244
Watts
Current/A
2.03
1875
CFM
4
340
Watts
Current/A
2.73
2021
CFM
5
409
Watts
Current/A
3.21
CFM
1348
CFM
1
1
Watts
157
Watts
Current/A
Current/A
1.34
1491
CFM
CFM
2
2
205
Watts
Watts
Current/A
Current/A
1.71
1677
CFM
3
281
Watts
Current/A
2.30
1881
CFM
4
391
Watts
Current/A
3.12
2029
CFM
5
426
Watts
Current/A
3.67
CFM Wet Coil without filter and Electric Heat
External Static Pressure-Inches W.C.[kPa]
0.1[.025]
0.2[.050] 0.3[.075] 0.4[0.100] 0.5[0.125] 0.6[0.150] 0.7[0.175] 0.8[0.200]
1284
1226
1151
151
159
168
1.26
1.33
1.41
1477
1418
1366
211
222
231
1.74
1.81
1.89
1592
1538
1490
254
263
273
2.11
2.14
2.19
1822
1774
1729
353
365
375
2.79
2.86
3.02
1967
1924
1879
416
429
447
3.29
3.38
3.52
1284
1226
1151
151
159
168
1.26
1.33
1.41
1477
1418
1366
211
222
231
1.74
1.81
1.89
1592
1538
1490
254
263
273
2.11
2.14
2.19
1822
1774
1729
353
365
375
2.79
2.86
3.02
1967
1924
1879
416
429
447
3.29
3.38
3.52
1284
1226
1151
151
159
168
1.26
1.33
1.41
1477
1418
1366
211
222
231
1.74
1.81
1.89
1592
1538
1490
254
263
273
2.11
2.14
2.19
1822
1774
1729
353
365
375
2.79
2.86
3.0
1967
1924
1879
416
429
447
3.29
3.38
3.52
1280
1227
1180
165
176
187
1.40
1.49
1.58
1439
1380
1334
217
226
238
1.81
1.88
1.97
1633
1586
1543
297
311
325
2.41
2.52
2.63
1843
1800
1754
407
423
438
3.25
3.36
3.47
1988
1947
1900
482
498
514
3.80
3.92
4.03
11
1076
946
904
177
191
197
1.50
1.61
1.63
1299
1239
1138
239
250
266
2.02
2.14
2.22
1436
1378
1315
283
300
305
2.31
2.38
2.53
1677
1629
1581
388
399
412
3.12
3.21
3.29
1828
1785
1742
461
471
487
3.61
3.73
3.76
1076
946
904
177
191
197
1.50
1.61
1.63
1299
1239
1138
239
250
266
2.02
2.14
2.22
1436
1378
1315
283
300
305
2.31
2.38
2.53
1677
1629
1581
388
399
412
3.12
3.21
3.29
1828
1785
1742
461
471
487
3.61
3.73
3.76
1076
946
904
177
191
197
1.50
1.61
1.63
1299
1239
1138
239
250
266
2.02
2.14
2.22
1436
1378
1315
283
300
305
2.31
2.38
2.53
1677
1629
1581
388
399
412
3.12
3.21
3.29
1828
1785
1742
461
471
487
3.61
3.73
3.76
1130
1042
933
196
206
225
1.64
1.73
1.88
1285
1246
1180
250
259
269
2.06
2.14
2.21
1499
1449
1409
338
346
358
2.73
2.79
2.88
1708
1666
1626
449
462
474
3.56
3.66
3.75
1858
1815
1771
528
541
553
4.13
4.24
4.33
893
869
195
194
1.61
1.62
1064
1001
277
291
2.31
2.38
1215
1140
325
336
2.64
2.72
1533
1473
423
437
2.38
3.51
1694
1641
500
513
3.86
4.04
893
869
195
194
1.61
1.62
1064
1001
277
291
2.31
2.38
1215
1140
325
336
2.64
2.72
1533
1473
423
437
2.38
3.51
1694
1641
500
513
3.86
4.04
893
869
195
194
1.61
1.62
1064
1001
277
291
2.31
2.38
1215
1140
325
336
2.64
2.72
1533
1473
423
437
2.38
3.51
1694
1641
500
513
3.86
4.04
871
825
233
245
1.94
2.03
1047
988
292
300
2.39
2.45
1370
1281
370
386
2.98
3.09
1590
1558
487
498
2.84
3.93
1716
1671
565
572
4.41
4.47

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