Carrier 40VMM007A 3 Series Installation And Maintenance Instructions Manual page 6

FAN CURVE CHARACTERISTICS (CONT.)
Fan Characteristics Curve
0.36
0.32
M - Speed
0.28
L - Speed
0.24
0.20
H - Speed
0.16
M - Speed
L - Speed
0.12
0.08
M - Speed
L - Speed
0.04
0.00
180 220
Air Flow (CFM)
RANGE OF AVAILABLE AIRFLOW RATE IN
FAN
ESP Max Point
SPEED
Max SP
CFM (in.)
0.08 H 299 0.07
0.16 H 299 0.14
0.24 H 299 0.22
0.32 H 299 0.29
LEGEND
ESP — External Static Pressure
— Static Pressure
SP
Fig. 4 —Size 007A Fan Curves
H - Speed
-
260 300
H-SPEED
Mid Point Min Point
Mid SP Min SP
CFM (in.) CFM (in.)
260 0.08 221 0.09
260 0.16 221 0.18
260 0.24 221 0.27
260 0.32 221 0.34
Fan Characteristics Curve
0.36
0.32
0.28
0.24
L -Speed
0.2
0.16
0.12
L -Speed
0.08
Lower limite of ESP (Rating ESP)
0.04
L -Speed
0
150 200
RANGE OF AVAILABLE AIRFLOW RATE IN
FAN
ESP Max Point
SPEED
Max
CFM
0.00 H 391
0.04 H 391
0.08 H 391
0.12 H 391
0.16 H 391
0.20 H 391
0.24 H 391
0.28 H 391
0.32 H 391
LEGEND
— External Static Pressure
ESP
SP — Static Pressure
Fig. 5 —Size 009A Fan Curves
6
H-Speed
M-Speed
340
H-Speed
M-Speed
H-Speed
Lower limite of
M-Speed
ESP (Min ESP)
250 300 350 400
Air flow (CFM)
H-SPEED
Mid Point Min Point
SP Mid SP Min
(in.) CFM (in.) CFM
0.00 340 0.00 289
0.00 340 0.04 289
0.04 340 0.08 289
0.09 340 0.12 289
0.14 340 0.16 289
0.18 340 0.20 289
0.20 340 0.24 289
0.24 340 0.28 289
0.30 340 0.32 289
450
SP
(in.)
0.01
0.07
0.11
0.15
0.18
0.22
0.27
0.31
0.32