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Table 17 — Fan Performance — 48ZG,ZN,ZT,ZW,Z6,Z8 and 50ZG,ZN,ZT,ZW,ZX,ZZ,Z2,Z3,Z6,Z7,Z8,Z9075
Units With Forward-Curved Fan*
LEGEND
*If calculating static pressure for a 48 Series unit, be sure to add gas
heat pressure drop from Table 30C.
NOTES:
1. Fan performance is based on wet coils and clean 2-in. filters.
2. For return fan (48Z6,Z8 and 50Z6,Z7,Z8,Z9) and high-capacity
power exhaust (48ZT,ZW and 50ZT,ZW,ZX,ZZ) units, add com-
ponent pressure drop for economizer. Do not add component
pressure drop for power exhaust.
3. See Table 30C before using Fan Performance tables.
4. 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
14,000
211
2.35
243
3.06
272
3.80
299
4.59
325
5.43
349
6.30
372
7.21
395
8.15
16,000
232
3.27
261
4.06
288
4.88
313
5.74
337
6.65
360
7.59
381
8.57
402
9.58
18,000
253
4.42
281
5.31
305
6.21
329
7.14
351
8.11
372
912
393
10.17
413
11.25
20,000
275
5.83
301
6.82
324
7.81
346
8.82
366
9.86
386
10.94
406
12.05
425
13.20
22,000
298
7.53
321
8.62
343
9.70
364
10.80
383
11.92
402
13.07
420
14.25
438
15.46
24,000
320
9.55
342
10.75
363
11.93
383
13.11
401
14.31
419
15.54
436
16.79
453
18.07
26,000
343
11.91
364
13.22
384
14.50
402
15.78
420
17.07
437
18.37
453
19.70
469
21.05
28,000
367
14.65
386
16.06
405
17.45
422
18.83
439
20.20
455
21.59
471
23.00
486
24.43
30,000
390
17.78
408
19.31
426
20.80
443
22.28
459
23.75
474
25.24
489
26.73
504
28.24
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
Hp
Rpm
Hp
Rpm
Hp
Rpm
Hp
Rpm
Hp
Rpm
Hp
14,000
416
9.12
437
10.10
457
11.10
476
12.13
495
13.17
513
14.22
531
15.29
548
16.38
16,000
423
10.62
442
11.68
462
12.77
480
13.88
498
15.00
516
16.15
533
17.31
550
18.48
18,000
432
12.36
450
13.50
469
14.66
486
15.84
504
17.05
521
18.27
537
19.53
553
20.78
20,000
443
14.38
460
15.58
478
16.82
495
18.07
511
19.35
527
20.65
543
21.98
559
23.32
22,000
455
16.70
472
17.98
489
19.28
505
20.60
521
21.96
536
23.33
551
24.72
566
26.14
24,000
470
19.38
486
20.72
501
22.08
517
23.48
532
24.89
547
26.34
561
27.80
576
29.29
26,000
485
22.43
500
23.83
515
25.27
530
26.73
544
28.22
559
29.72
573
31.26
586
32.81
28,000
501
25.89
516
27.36
530
28.86
544
30.38
558
31.94
572
33.51
585
35.11
599
36.74
30,000
518
29.76
533
31.32
546
32.89
560
34.48
573
36.10
586
37.74
599
39.41
612
41.11
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
3.4
3.6
3.8
4.0
Rpm
Hp
Rpm
Hp
Rpm
Hp
Rpm
Hp
14,000
564
17.47
581
18.58
596
19.71
612
20.84
16,000
566
19.68
582
20.88
597
22.10
613
23.33
18,000
569
22.06
585
23.36
600
24.66
615
25.99
20,000
574
24.68
589
26.06
604
27.45
618
28.85
22,000
581
27.57
596
29.04
610
30.51
624
31.99
24,000
590
30.80
604
32.33
617
33.88
631
35.44
26,000
600
34.39
613
35.99
627
37.61
640
39.24
28,000
612
38.38
624
40.05
637
41.74
650
43.44
30,000
624
42.81
637
44.54
649
46.29
661
48.06
48/50ZN,ZW,ZZ,Z3,Z8,Z9 units only.
Bhp —
Brake Horsepower
Kilowatts =
Bhp x .746
Motor efficiency
Summary of Contents for WEATHERMASTER 48Z030
Page 103: ...103 Fig 15 Typical Power Schematic Sizes 030 050 Shown a48 8408 ...
Page 104: ...104 Fig 16 Main Base Board Input Output Connections a48 8409 ...
Page 105: ...105 Fig 17 RCB ECB CEM SCB Input Output Connections a48 8410 ...
Page 106: ...106 Fig 18 Typical Gas Heat Unit Control Wiring 48Z055 105 Units Shown a48 8411 ...
Page 107: ...107 Fig 19 Typical Electric Heat Unit Control Wiring 50Z055 105 Units Shown a50 8248 ...
Page 108: ...108 Fig 20 Typical Power Wiring 115 V 48Z Units a48 8412 ...
Page 109: ...109 Fig 21 Typical Power Wiring 115 V 50Z Units a50 8249 ...
Page 110: ...110 Fig 22 Typical Gas Heat Section Size 055 105 Units Shown a48 8413 ...
Page 111: ...111 Fig 23 Component Arrangement Size 030 050 Units ...
Page 112: ...112 Fig 24 Component Arrangement Size 055 070 Units ...
Page 113: ...113 Fig 25 Component Arrangement Size 075 105 Units ...