20
PKGP-PRC003-EN
Performance
Data
(3, 4, 5 Ton)
Table PD-7 — Direct Drive Evaporator Fan Performance — 3, 4 And 5 Ton WSC036A, WSC048A, WSC060A
External Static Pressure (Inches of Water) & Motor Power (Bhp)
1
Standard Motor
Oversized Motor
2
Unit
High Speed
Low Speed
High Speed
Low Speed
Tons
Model No.
CFM
ESP
BHP
ESP
BHP
ESP
BHP
ESP
BHP
960
0.81
0.36
0.61
0.28
0.96
0.39
0.89
0.35
1020
0.77
0.37
0.57
0.28
0.94
0.41
0.86
0.47
1080
0.73
0.38
0.50
0.29
0.91
0.43
0.82
0.39
1140
0.69
0.39
0.42
0.29
0.88
0.44
0.77
0.40
3
WSC036A
1200
0.66
0.40
0.34
0.30
0.84
0.45
0.74
0.41
Horizontal
1260
0.60
0.41
0.26
0.30
0.80
0.46
0.70
0.42
1320
0.55
0.42
0.14
0.31
0.75
0.48
0.65
0.44
1380
0.49
0.42
0.05
0.31
0.70
0.49
0.59
0.45
1440
0.44
0.43
—-
—-
0.64
0.52
0.54
0.48
1280
0.93
0.53
0.81
0.47
1.20
0.67
0.99
0.56
1360
0.87
0.54
0.75
0.47
1.15
0.68
0.94
0.58
1440
0.80
0.54
0.68
0.48
1.10
0.70
0.88
0.60
1520
0.73
0.55
0.60
0.48
1.05
0.73
0.81
0.63
4
WSC048A
1600
0.66
0.55
0.51
0.49
1.00
0.75
0.74
0.64
Horizontal
1680
0.57
0.56
0.38
0.49
0.95
0.78
0.65
0.66
1760
0.47
0.56
0.23
0.50
0.90
0.82
0.50
0.68
1840
0.37
0.57
0.13
0.50
0.83
0.83
0.35
0.70
1920
0.27
0.57
—-
—-
0.75
0.85
—-
0.73
1600
0.90
0.78
0.82
0.64
1.20
0.90
1.05
0.85
1700
0.85
0.82
0.68
0.65
1.15
0.94
0.95
0.89
1800
0.80
0.85
0.56
0.65
1.05
0.98
0.85
0.91
1900
0.70
0.88
0.46
0.65
0.98
1.02
0.75
0.94
5
WSC060A
2000
0.60
0.90
0.30
0.66
0.90
1.05
0.65
0.95
Horizontal
2100
0.50
0.93
0.14
0.66
0.80
1.10
0.50
0.96
2200
0.40
0.95
0.05
0.67
0.70
1.12
0.35
0.96
2300
0.30
0.97
—-
—-
0.60
1.17
0.15
0.97
2400
0.20
1.00
—-
—-
0.48
1.20
—-
—-
960
0.86
0.36
0.61
0.28
1.01
0.39
0.89
0.35
1020
0.82
0.37
0.62
0.28
0.99
0.41
0.91
0.47
1080
0.78
0.38
0.55
0.29
0.96
0.43
0.87
0.39
1140
0.74
0.39
0.47
0.29
0.93
0.44
0.82
0.40
3
WSC036A
1200
0.71
0.40
0.39
0.30
0.89
0.45
0.79
0.41
Downflow
1260
0.65
0.41
0.31
0.30
0.85
0.46
0.75
0.42
1320
0.60
0.42
0.19
0.31
0.80
0.48
0.70
0.44
1380
0.54
0.42
0.10
0.31
0.75
0.49
0.64
0.45
1440
0.49
0.43
—-
—-
0.69
0.52
0.59
0.48
1280
0.98
0.53
0.86
0.47
1.25
0.67
1.04
0.56
1360
0.92
0.54
0.80
0.47
1.20
0.68
0.99
0.58
1440
0.85
0.54
0.73
0.48
1.15
0.70
0.93
0.60
1520
0.78
0.55
0.65
0.48
1.10
0.73
0.86
0.63
4
WSC048A
1600
0.71
0.55
0.56
0.49
1.05
0.75
0.79
0.64
Downflow
1680
0.62
0.56
0.43
0.49
1.00
0.78
0.70
0.66
1760
0.52
0.56
0.28
0.50
0.95
0.82
0.55
0.68
1840
0.42
0.57
0.18
0.50
0.88
0.83
0.40
0.70
1920
0.32
0.57
—-
—-
0.80
0.85
—-
—-
1600
0.95
0.78
0.87
0.64
1.25
0.90
1.10
0.85
1700
0.90
0.82
0.73
0.65
1.20
0.94
1.00
0.89
1800
0.85
0.85
0.61
0.65
1.10
0.98
0.90
0.91
1900
0.75
0.88
0.51
0.65
1.03
1.02
0.80
0.94
5
WSC060A
2000
0.65
0.90
0.35
0.66
0.95
1.05
0.70
0.95
Downflow
2100
0.55
0.93
0.19
0.66
0.85
1.10
0.55
0.96
2200
0.45
0.95
0.10
0.67
0.75
1.12
0.40
0.96
2300
0.35
0.97
—-
—-
0.65
1.17
0.20
0.97
2400
0.25
1.00
—-
—-
0.53
1.20
—-
—-
Fan motor heat (MBh) = 4.39 x Fan Bhp
Factory supplied motors, in commercial equipment, are definite purpose motors, specifically designed and tested to operate reliably and continuously at all
cataloged conditions. Using the full horsepower range of our fan motors as shown in our tabular data will not result in nuisance tripping or premature motor
failure. Our product’s warranty will not be affected.
Notes:
1. Data includes pressure drop due to wet coil and filters.
2. 5 ton oversized motor performance is with 12 x 11 FC blower wheel.
