16
Table 12 — Fan Performance — 50PG20 — Vertical Supply/Return Units
LEGEND
Boldface indicates field-supplied drive required.
NOTES:
1. Motor drive ranges:
(A) Low Range: 685-939, 4.26 Bhp (208/230 and 460-v), 751-954,
5.75 Bhp 4 (575-v)
(B) Mid-Low Range: 949-1206, 5.75 Bhp
(C) Mid-High Range: 941-1176, 8.63 Bhp
(D) High Range: 1014-1297, 11.50 Bhp
All other rpms require field-supplied drive.
2. See page 30 for general fan performance notes.
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.2
0.4
0.6
0.8
1.0
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
5000
533
1.27
611
1.54
682
1.82
748
2.10
808
2.37
5500
571
1.57
643
1.86
711
2.15
773
2.44
832
2.73
6000
610
1.92
676
2.21
740
2.52
800
2.82
857
3.13
6500
650
2.31
712
2.61
772
2.93
829
3.25
883
3.58
7000
691
2.75
748
3.06
805
3.39
859
3.73
911
4.07
7500
732
3.24
786
3.57
839
3.91
891
4.25
941
4.61
8000
775
3.79
824
4.12
874
4.47
924
4.83
972
5.19
8500
817
4.40
863
4.74
911
5.09
958
5.46
1003
5.84
9000
860
5.06
904
5.41
948
5.77
993
6.15
1036
6.54
AIRFLOW
(Cfm)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
1.2
1.4
1.6
1.8
2.0
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
Rpm
Bhp
5000
865
2.64
918
2.91
969
3.17
1018
3.44
1065
3.70
5500
886
3.02
938
3.31
988
3.59
1035
3.87
1081
4.16
6000
910
3.44
960
3.74
1008
4.05
1054
4.35
1099
4.65
6500
935
3.90
984
4.22
1030
4.54
1075
4.86
1118
5.18
7000
961
4.40
1008
4.74
1054
5.08
1098
5.41
1140
5.75
7500
989
4.96
1035
5.31
1079
5.66
1122
6.01
1163
6.36
8000
1018
5.56
1062
5.93
1105
6.29
1147
6.66
1187
7.02
8500
1048
6.22
1091
6.60
1133
6.98
1173
7.36
1212
7.73
9000
1079
6.93
1121
7.32
1161
7.71
1201
8.11
1239
8.50
Bhp —
Brake Horsepower Input to Fan
A
C
A
A
A
A
B
B
C
C
D
A
A
B
B
B
B
B
C
C
C
C
C
D
Содержание 48PG24
Страница 68: ...68 Fig 14 Low Voltage Control Schematic 48PG20 28 Units without Humidi MiZer System a48 7627...
Страница 69: ...69 Fig 15 Low Voltage Control Schematic 48PG20 28 Units with Humidi MiZer System a48 8227...
Страница 70: ...70 Fig 16 Low Voltage Control Schematic 50PG20 28 Units without Humidi MiZer System a48 7778...
Страница 71: ...71 Fig 17 Low Voltage Control Schematic 50PG20 28 Units with Humidi MiZer System a50 8101...
Страница 72: ...72 Fig 18 Power Schematic Units without Humidi MiZer System a48 7628...
Страница 73: ...73 Fig 19 Power Schematic Units with Humidi MiZer System a48 8228...
Страница 74: ...74 Fig 20 Component Arrangement Units without Humidi MiZer System a48 8229...
Страница 75: ...75 Fig 21 Component Arrangement Units with Humidi MiZer System a48 8230...
Страница 105: ......