Carrier WEATHERMASTER 48/50Z030-105 User Manual
Page 11

11
Table 6 — Fan Performance — 48ZG,ZN050 and 50ZG,ZN050 Units Without Discharge Plenum*
LEGEND
*If calculating static pressure for a 48 Series unit, be sure to add gas
heat pressure drop from Table 30A on page 32.
NOTES:
1. Fan performance is based on wet coils and clean 2-in. filters.
2. See Table 30A before using Fan Performance tables.
3. Conversion — Bhp to kW:
See Tables 26-28 for motor efficiency.
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
9,000
276
1.34
323
1.73
366
2.15
407
2.60
445
3.08
482
3.58
516
4.11
549
4.66
10,000
296
1.74
339
2.17
379
2.62
418
3.09
454
3.59
489
4.12
522
4.68
554
5.26
12,000
339
2.76
376
3.29
411
3.81
445
4.35
477
4.91
509
5.49
539
6.09
568
6.71
14,000
382
4.15
416
4.79
448
5.40
478
6.01
506
6.63
535
7.26
562
7.92
589
8.60
16,000
427
5.96
458
6.71
487
7.42
514
8.11
540
8.81
565
9.52
590
10.23
615
10.97
18,000
473
8.26
501
9.12
527
9.93
552
10.72
576
11.50
600
12.29
623
13.08
645
13.88
20,000
519
11.10
545
12.06
570
12.99
593
13.88
615
14.76
637
15.63
658
16.50
679
17.38
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
1.8
2.0
2.2
2.4
2.6
2.8
3.0
3.2
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
9,000
579
5.23
608
5.81
636
6.41
662
7.02
687
7.64
712
8.27
735
8.91
757
9.57
10,000
584
5.85
613
6.47
641
7.10
667
7.74
692
8.40
717
9.07
740
9.75
763
10.44
12,000
597
7.36
625
8.03
651
8.72
677
9.42
702
10.14
726
10.88
750
11.63
772
12.39
14,000
615
9.29
641
10.01
666
10.74
690
11.50
714
12.27
738
13.06
760
13.87
783
14.69
16,000
639
11.71
663
12.48
686
13.27
709
14.07
731
14.89
753
15.73
775
16.58
796
17.45
18,000
667
14.69
689
15.51
711
16.35
732
17.20
753
18.07
773
18.96
793
19.86
813
20.78
20,000
699
18.25
719
19.14
739
20.04
759
20.95
778
21.88
797
22.82
816
23.77
—
—
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
3.4
3.6
3.8
4.0
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
9,000
779
10.23
800
10.90
821
11.58
840
12.27
10,000
785
11.14
806
11.85
826
12.57
846
13.30
12,000
794
13.16
816
13.94
836
14.73
857
15.54
14,000
804
15.52
825
16.37
846
17.22
866
18.10
16,000
817
18.34
837
19.24
857
20.15
877
21.08
18,000
833
21.71
853
22.66
872
23.62
—
—
20,000
—
—
—
—
—
—
—
—
48/50ZN units only.
Bhp — Brake Horsepower
Kilowatts =
Bhp x .746
Motor efficiency