– 7 –
Fan characteristics
0.40
0.45
0.50
0.20
0.25
0.30
0.35
0.05
0.10
0.15
0.20
0.00
300
350
400
450
500
550
<Back air intake>
Air flow (cfm)
Ext
e
rn
al
St
at
ic
Pr
ess
ure
(
in
.WG)
High (0.45 in.WG)
High (0.35 in.WG)
High (0.25 in.WG)
High (0.15 in.WG)
Mid
Low
Standard Air flow: 459 (cfm)
181 type
0 35
0.40
0.45
0.50
0.20
0.25
0.30
0
0.05
0.10
0.15
0.00
0
450 500 550 600 650 700 750 800
Air flow (cfm)
Ex
te
rnal
Stat
ic
Pres
sure
(
in.
W
G
)
High (0.45 in.WG)
High (0.35 in.WG)
High (0.25 in.WG)
High (0.15 in.WG)
Standard Air Flow: 706 (cfm)
241 type
Mid
Low
650 700 750 800 850 900 950 1000 1050 1100 1150 1200
0 45
0.50
0.30
0.35
0.40
0.45
.
0.15
0.20
0.25
0.30
0.00
0.05
0.10
0.15
.
Air flow (cfm)
Ex
te
rnal Sta
tic Pres
sure
(in.W
G
)
High (0.46 in.WG)
High (0.35 in.WG)
High (0.25 in.WG)
High (0.15 in.WG)
Mid
Low
Standard Air Flow: 953 (cfm)
301 type
0 45
0.50
0.30
0.35
0.40
0.15
0.20
0.25
0.00
0.05
0.10
850 900 9501000 1050 1100 1150 1200 1250 1300 1350 1400
Air flow (cfm)
Ex
te
rnal
Stat
ic
Pres
sure
(
in.
W
G
)
High (0.46 in.WG)
High (0.35 in.WG)
High (0.25 in.WG)
High (0.15 in.WG)
Mid
Low
Standard Air Flow: 1165 (cfm)
361, 421 type
13-EN
14-EN
+00EB99810201_01EN.book Page 7 Wednesday, June 1, 2016 2:52 PM