Carrier 40VMM007A Installation And Maintenance Instructions Manual page 8

FAN CURVES CHARACTERISTICS (CONT.)
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
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
— Static Pressure
SP
Fig. 8 — Size 018A Fan Curves
640
550 650 750 850
H-SPEED
Mid Point Min Point
Mid SP Min
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
FAN
ESP
SPEED
SP
0.10 H
0.20 H
0.30 H
0.40 H
0.50 H
0.60 H
LEGEND
ESP — External Static Pressure
SP — Static Pressure
Fig. 9 — Size 024A Fan Curves
8
800
550 650 750 850
Air Flow (CFM)
RANGE OF AVAILABLE AIRFLOW RATE IN
H-SPEED
Max Point Mid Point
Max SP Mid SP
CFM (in.) CFM (in.)
920 0.03 800 0.10
920 0.12 800 0.18
920 0.22 800 0.29
920 0.30 800 0.33
920 0.42 800 0.46
920 0.53 800 0.59
950
Min Point
Min SP
CFM (in.)
680 0.16
680 0.24
680 0.32
680 0.39
680 0.50
680 0.64