Carrier 40VMA Series Installation And Maintenance Instructions Manual page 7

FAN CURVE CHARACTERISTICS (CONT.)
40VMA054---3
0.88
0.8
0.72
0.64
0.56
0.48
0.4
0.32
0.24
0.16
0.08
0
400 450 500 550 600 650 700 750 800 850 900 950
Air ow
Fig. 6 —Size 054
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
0.31
0.36
0.34
0.40
0.37
0.44
0.41
0.48
H 880
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
LEGEND
ESP — External Static Pressure
SP — Static Pressure
CFM
Rating Point Min Point
Mid SP Min SP
CFM (in.) CFM (in.)
0.20 0.24
0.24 0.28
0.28 0.32
0.32 0.36
0.36 0.40
0.40 0.44
0.44 0.49
0.48 0.53
765 650
0.52 0.57
0.56 0.61
0.60 0.66
0.64 0.71
0.68 0.76
0.72 0.80
0.76 0.84
0.80 0.88
1.12
1.04
0.96
0.88
0.8
0.72
0.64
0.56
0.48
0.4
0.32
0.24
0.16
0.08
0
700 800
Air ow CFM
Fig. 7 —Size 072
Range of Available Airflow Rate in H-Speed
Max Point
Fan
ESP
Speed
Max
CFM
0.20
0.24
0.28
0.32
0.36
0.40
0.44
0.48
0.52
0.56
H 1218
0.60
0.64
0.68
0.72
0.76
0.80
0.84
0.88
0.92
0.96
1.00
LEGEND
ESP — External Static Pressure
SP — Static Pressure
7
40VMA072---3
-
900 1000 1100 1200 1300
Rating Point Min Point
SP Mid SP Min
(in.) CFM (in.) CFM
0.16 0.20
0.20 0.24
0.24 0.28
0.28 0.32
0.32 0.36
0.36 0.40
0.40 0.44
0.44 0.48
0.48 0.52
0.52 0.56
0.56 1059 0.60 900
0.60 0.64
0.64 0.68
0.68 0.72
0.71 0.76
0.75 0.80
0.79 0.84
0.83 0.88
0.87 0.92
0.91 0.96
0.95 1.00
1400
SP
(in.)
0.22
0.26
0.30
0.34
0.38
0.42
0.46
0.50
0.54
0.58
0.62
0.66
0.70
0.75
0.80
0.84
0.88
0.92
0.96
1.00
1.04