Fan Curve Characteristics - Carrier 40VMA Series Installation And Maintenance Instructions Manual

FAN CURVE CHARACTERISTICS

40VMA036---3
0.88
0.8
0.72
0.64
0.56
0.48
0.4
0.32
0.24
-
0.16
0.08
0
350 400 450
Air ow
Fig. 4 —Size 036
Range of Available Airflow Rate in H-Speed
Max Point
Fan
ESP
Speed
SP
Max
CFM (in.)
0.16
0.20
0.20
0.24
0.24
0.28
0.28
0.32
0.32
0.36
0.36
0.40
0.39
0.44
0.43
0.48
H 676
0.47
0.52
0.50
0.56
0.54
0.60
0.57
0.64
0.61
0.68
0.65
0.72
0.69
0.76
0.73
0.80
LEGEND
ESP — External Static Pressure
SP — Static Pressure
500 550 600 650 700
CFM
Rating Point Min Point
Mid SP Min SP
CFM (in.) CFM (in.)
0.20 0.23
0.24 0.27
0.28 0.31
0.32 0.35
0.36 0.39
0.40 0.43
0.44 0.48
0.48 0.52
588 500
0.52 0.56
0.56 0.60
0.60 0.64
0.64 0.68
0.68 0.72
0.72 0.76
0.76 0.80
0.80 0.84
0.88
0.8
0.72
0.64
0.56
0.48
0.4
0.32
0.24
0.16
0.08
0
350 400 450
Air ow
Fig. 5 —Size 048
Range of Available Airflow Rate in H-Speed
Fan Max Point
ESP
Speed
Max
CFM
0.20
0.24
0.28
0.32
0.36
0.40
0.44
0.48
H 744
0.52
0.56
0.60
0.64
0.68
0.72
0.76
0.80
LEGEND
ESP — External Static Pressure
SP — Static Pressure
6
40VMA048---3
500 550 600 650 700
CFM
Rating Point Min Point
SP Mid SP Min
(in.) CFM (in.) CFM
0.15 0.20
0.19 0.24
0.23 0.28
0.27 0.32
0.31 0.36
0.34 0.40
0.37 0.44
0.41 0.48
647 550
0.45 0.52
0.49 0.56
0.53 0.60
0.57 0.64
0.60 0.68
0.64 0.72
0.68 0.76
0.72 0.80
750 800
SP
(in.)
0.22
0.26
0.30
0.34
0.38
0.43
0.48
0.52
0.56
0.60
0.64
0.68
0.73
0.77
0.81
0.85