-
50
-
2.8 Characteristics of fan
(1) Ceiling mounted duct type (FDUR)
Model FDURA401Model FDURA301
Model FDURA251Model FDURA201
0
20
40
60
80
100
120
140
160
180
200
20
21
22
23
24
25 26
27
28
29 30
Upper
limit
50
Standard
pressure
Standard
air flow
Lower
limit
Air flow(m
3
/min)
Static pressure (Pa)
Standard-Upper limit
High speed-Upper limit
High speed-Upper limit
High speed-Lower limit
High speed-Lower limit
High speed-HighHigh speed-High
High speed-Low
High speed-Low
Standard-High
Standard-Upper lim
it
Standard-Upper lim
it
Standard-Low
Standard-Low
Standard-High
High speed-Upper
limit
High speed-Upper
limit
High speed-Lower
limit
High speed-Low
High speed-Lower
limit
High speed-High
High speed-High
High speed-Low
Standard-HighStandard-High
Standard-Upper limit
Standard-Upper limit
Standard-LowerStandard-Lower
Lower
limit
0
20
10
40
30
60
70
80
90
100
110
120
12 13
14 15
16
17 18
19
Upper
limit
50
Standard
pressure
Standard
air flow
Air flow(m
3
/min)
Static pressure (Pa)
H
igh speed-Upper
limit
H
igh speed-Upper
limit
High speed-Lower
limit
High speed-Lower
limit
High speed-HighHigh speed-High
High speed-Low
High speed-Low
Standard-High
Standard-High
Standard-Upper limitStandard-Upper limit
Standard-Lower
Standard-Lower
Lower
limit
0
20
10
40
30
60
70
80
90
100
110
120
17
18 19
20
21 22
23
Upper
limit
50
Standard
pressure
Standard
air flow
Air flow(m
3
/min)
Static pressure (Pa)
High speed-Upper limitHigh speed-Upper limit
High speed-Lower limit
High speed-Lower limit
High speed-HighHigh speed-High
H
igh speed-Low
H
igh speed-Low
Standard-High
Standard-High
Standard-Upper limit
Standard-Upper limit
Standard-Lower
Standard-Lower
0
20
40
60
80
100
120
140
160
180
200
27
29
31
33
34 35
37 39 41
Upper
limit
50
Standard
pressure
Standard
air flow
Lower
limit
Air flow(m
3
/min)
Static pressure (Pa)