28
Table 24 — Fan Performance — 50PG20 — Horizontal Supply/Return Units
LEGEND
Boldface indicates field-supplied drive required.
NOTES:
1. Motor drive ranges:
(E) Low Range: 685-939, 4.26 Bhp (208/230 and 460-v), 751-954,
5.75 Bhp (575-v)
(F) Mid-Low Range: 949-1206, 5.75 Bhp
(G) Mid-High Range: 941-1176 8.63 Bhp
(H) 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
575
1.37
642
1.61
700
1.84
754
2.08
808
2.33
5500
619
1.71
682
1.96
737
2.21
788
2.45
837
2.71
6000
663
2.09
723
2.35
776
2.62
825
2.88
871
3.14
6500
708
2.53
765
2.80
816
3.08
863
3.35
906
3.63
7000
753
3.02
807
3.30
857
3.59
902
3.88
944
4.17
7500
800
3.58
850
3.86
898
4.16
942
4.47
982
4.77
8000
847
4.20
894
4.48
940
4.80
982
5.11
1022
5.43
8500
894
4.88
939
5.17
982
5.49
1024
5.82
1062
6.14
9000
941
5.63
983
5.92
1025
6.24
1065
6.58
1103
6.92
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
862
2.60
917
2.89
972
3.20
1028
3.53
1084
3.89
5500
886
2.97
935
3.25
985
3.55
1035
3.87
1086
4.21
6000
916
3.41
960
3.69
1005
3.98
1050
4.29
1096
4.61
6500
949
3.90
990
4.19
1032
4.48
1073
4.78
1114
5.10
7000
984
4.46
1023
4.75
1062
5.04
1100
5.34
1139
5.66
7500
1021
5.07
1059
5.37
1095
5.67
1131
5.98
1167
6.29
8000
1059
5.74
1095
6.05
1130
6.36
1165
6.67
1199
6.99
8500
1099
6.47
1133
6.79
1167
7.11
1200
7.43
1232
7.76
9000
1138
7.26
1172
7.59
1205
7.93
1237
8.26
1268
8.59
Bhp —
Brake Horsepower Input to Fan
E
F
G
F
F
E
E
E
E
G
G
G
G
H
E
F
F
F
G
G
G
G
G
H
H
E
F
F
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: ......