29
Table 25 — Fan Performance — 50PG24 — 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 motor or 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
5,500
619
1.71
682
1.96
737
2.21
788
2.45
837
2.71
6,000
663
2.09
723
2.35
776
2.62
825
2.88
871
3.14
6,500
708
2.53
765
2.80
816
3.08
863
3.35
906
3.63
7,000
753
3.02
807
3.30
857
3.59
902
3.88
944
4.17
7,500
800
3.58
850
3.86
898
4.16
942
4.47
982
4.77
8,000
847
4.20
894
4.48
940
4.80
982
5.11
1022
5.43
8,500
894
4.88
939
5.17
982
5.49
1024
5.82
1062
6.14
9,000
941
5.63
983
5.92
1025
6.24
1065
6.58
1103
6.92
9,500
989
6.45
1029
6.74
1069
7.07
1108
7.41
1144
7.77
10,000
1037
7.34
1075
7.63
1113
7.96
1150
8.32
1186
8.68
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
5,500
886
2.97
935
3.25
985
3.55
1035
3.87
1086
4.21
6,000
916
3.41
960
3.69
1005
3.98
1050
4.29
1096
4.61
6,500
949
3.90
990
4.19
1032
4.48
1073
4.78
1114
5.10
7,000
984
4.46
1023
4.75
1062
5.04
1100
5.34
1139
5.66
7,500
1021
5.07
1059
5.37
1095
5.67
1131
5.98
1167
6.29
8,000
1059
5.74
1095
6.05
1130
6.36
1165
6.67
1199
6.99
8,500
1099
6.47
1133
6.79
1167
7.11
1200
7.43
1232
7.76
9,000
1138
7.26
1172
7.59
1205
7.93
1237
8.26
1268
8.59
9,500
1179
8.12
1212
8.46
1244
8.81
1275
9.15
1305
9.50
10,000
1220
9.04
1252
9.40
1283
9.76
1313
10.11
1342
10.47
Bhp —
Brake Horsepower Input to Fan
F
E
G
H
E
E
E
E
F
F
G
G
G
G
E
E
F
F
F
F
F
G
G
G
G
G
H
H
H
H
H
Summary of Contents for 48PG24
Page 68: ...68 Fig 14 Low Voltage Control Schematic 48PG20 28 Units without Humidi MiZer System a48 7627...
Page 69: ...69 Fig 15 Low Voltage Control Schematic 48PG20 28 Units with Humidi MiZer System a48 8227...
Page 70: ...70 Fig 16 Low Voltage Control Schematic 50PG20 28 Units without Humidi MiZer System a48 7778...
Page 71: ...71 Fig 17 Low Voltage Control Schematic 50PG20 28 Units with Humidi MiZer System a50 8101...
Page 72: ...72 Fig 18 Power Schematic Units without Humidi MiZer System a48 7628...
Page 73: ...73 Fig 19 Power Schematic Units with Humidi MiZer System a48 8228...
Page 74: ...74 Fig 20 Component Arrangement Units without Humidi MiZer System a48 8229...
Page 75: ...75 Fig 21 Component Arrangement Units with Humidi MiZer System a48 8230...
Page 105: ......