Carrier 40VMA Series, Installation And Maintenance Instructions Manual, Page: 7 / 25

7
FAN CURVE CHARACTERISTICS (CONT.)
Fig. 6 —Size 054
Fig. 7 —Size 072
ESP
Fan
Speed
Range of Available Airflow Rate in H-Speed
Max Point Rating Point Min Point
Max
CFM
SP
(in.)
Mid
CFM
SP
(in.)
Min
CFM
SP
(in.)
0.20
H 880
0.16
765
0.20
650
0.24
0.24
0.20 0.24 0.28
0.28
0.24 0.28 0.32
0.32
0.28 0.32 0.36
0.36
0.31 0.36 0.40
0.40
0.34 0.40 0.44
0.44
0.37 0.44 0.49
0.48
0.41 0.48 0.53
0.52
0.45 0.52 0.57
0.56
0.49 0.56 0.61
0.60
0.53 0.60 0.66
0.64
0.57 0.64 0.71
0.68
0.60 0.68 0.76
0.72
0.64 0.72 0.80
0.76
0.68 0.76 0.84
0.80
0.72 0.80 0.88
LEGEND
ESP
— External Static Pressure
SP — Static Pressure
0
0.08
0.16
0.24
0.32
0.4
0.48
0.56
0.64
0.72
0.8
0.88
400 450 500 550 600 650 700 750 800 850 900 950
Air
Ň
ow
˄
CFM
˅
Ex
te
rn
al s
ta
Ɵ
c p
re
ssu
re
(in
W
G
)
40VMA054---3
Upper Limit of ESP (0.8 in WG)
Lower Limit of ESP (0.8 in WG)
Upper Limit of ESP (0.44 in WG)
Lower Limit of ESP (0.44 in WG)
Upper Limit of ESP (0.2 in WG)
Lower Limit of ESP (0.2 in WG)
H-S
pee
d
M-S
pee
d
L-Spe
ed
H-Sp
eed
M-Sp
eed
L-Spe
ed
H-Speed
M-Spee
d
L-Speed
ESP
Fan
Speed
Range of Available Airflow Rate in H-Speed
Max Point Rating Point Min Point
Max
CFM
SP
(in.)
Mid
CFM
SP
(in.)
Min
CFM
SP
(in.)
0.20
H 1218
0.16
1059
0.20
900
0.22
0.24
0.20 0.24 0.26
0.28
0.24 0.28 0.30
0.32
0.28 0.32 0.34
0.36
0.32 0.36 0.38
0.40
0.36 0.40 0.42
0.44
0.40 0.44 0.46
0.48
0.44 0.48 0.50
0.52
0.48 0.52 0.54
0.56
0.52 0.56 0.58
0.60
0.56 0.60 0.62
0.64
0.60 0.64 0.66
0.68
0.64 0.68 0.70
0.72
0.68 0.72 0.75
0.76
0.71 0.76 0.80
0.80
0.75 0.80 0.84
0.84
0.79 0.84 0.88
0.88
0.83 0.88 0.92
0.92
0.87 0.92 0.96
0.96
0.91 0.96 1.00
1.00
0.95 1.00 1.04
LEGEND
ESP
— External Static Pressure
SP — Static Pressure
0
0.08
0.16
0.24
0.32
0.4
0.48
0.56
0.64
0.72
0.8
0.88
0.96
1.04
1.12
700 800 900 1000 1100 1200 1300 1400
Air
Ň
ow
˄
CFM
˅
Ex
te
rn
al s
ta
Ɵ
c p
re
ssu
re
(in
W
G
)
-
40VMA072---3
Upper Limit of ESP (1.0 in WG)
Lower Limit of ESP (1.0 in WG)
Upper Limit of ESP (0.44 in WG)
Lower Limit of ESP (0.44 in WG)
Upper Limit of ESP (0.2 in WG)
Lower Limit of ESP (0.2 in WG)
H-Speed
M-Speed
L-Speed
H-Speed
M-Speed
L-Speed
H-Speed
M-Speed
L-Speed