Carrier 40VMM Series Installation And Maintenance Instructions Manual page 8

Fan Characteristics Curve
0.68
0.64
0.60
0.56
0.52
0.48
0.44
0.40
0.36
0.32
0.28
0.24
0.20
0.16
0.12
0.08
0.04
0.00
350 450 550
Air Flow (CFM)
RANGE OF AVAILABLE AIRFLOW RATE IN
FAN
ESP Max Point
SPEED
Max SP
CFM (in.)
0.10 H 771 0.05
0.20 H 771 0.14
0.30 H 771 0.26
0.40 H 771 0.36
0.50 H 771 0.46
0.60 H 771 0.56
LEGEND
ESP — External Static Pressure
SP — Static Pressure
Fig. 8 — Size 018 Fan Curves
640
650 750 850
H-SPEED
Mid Point Min Point
Mid SP Min SP
CFM (in.) CFM (in.)
640 0.10 570 0.14
640 0.19 570 0.23
640 0.29 570 0.32
640 0.38 570 0.42
640 0.51 570 0.55
640 0.61 570 0.64
Fan Characteristics Curve
0.68
0.64
0.60
0.56
0.52
0.48
0.44
0.40
0.36
0.32
0.28
0.24
0.20
0.16
0.12
0.08
0.04
0.00
450 550
Air Flow (CFM)
RANGE OF AVAILABLE AIRFLOW RATE IN
FAN
ESP Max Point
SPEED
Max
CFM
0.10 H 920
0.20 H 920
0.30 H 920
0.40 H 920
0.50 H 920
0.60 H 920
LEGEND
ESP — External Static Pressure
SP — Static Pressure
Fig. 9 — Size 024 Fan Curves
8
800
650 750 850 950
H-SPEED
Mid Point Min Point
SP Mid SP Min
(in.) CFM (in.) CFM
0.03 800 0.10 680
0.12 800 0.18 680
0.22 800 0.29 680
0.30 800 0.33 680
0.42 800 0.46 680
0.53 800 0.59 680
SP
(in.)
0.16
0.24
0.32
0.39
0.50
0.64