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3. Fresh air intake amount & static pressure characteristics
l l PLH-3AAK(H)
Multifunction casement + Standard filter
Static pressure [Pa]
50
0
1
2
-50
-100
-150
-200
Taking air into the unit
Static pressure [Pa]
50
0
1
2
3
-50
-100
-150
-200
2 2 PLH-4 · 5 · 6AAK(H)
Multifunction casement + Standard filter
Static pressure [Pa]
50
0
1
2
3
-50
-100
-150
-200
Taking air into the unit
Static pressure [Pa]
50
0
1
2
3
-50
-100
-150
-200
3
Air flow [m
/min]
3
4
5
6
2 intakes
1 intake
3
Air flow [m
/min]
4
5
6
4
5
6
7
8
2 intakes
1 intake
4
5
6
7
8
Multifunction casement + High efficiency filter
Static pressure [Pa]
50
0
1
2
-50
-100
-150
-200
How to read curves
Duct characteristics
Curve in the
at site
1
left praphs.
0
Q
2
Q
3
Q
Qa
Multifunction casement + High efficiency filter
Static pressure [Pa]
50
0
Air flow
9
1
2
3
[m
/min]
-50
-100
-150
-200
3
Air flow [m
/min]
9
58
3
Air flow [m
/min]
3
4
5
6
2 intakes
1 intake
Q ... Planned amount of fresh air intake
A ... Static pressure loss of fresh air
intake duct system with air flow
amount Q
B ... Forced static pressure at air condi-
tioner inlet with air flow amount Q
C ... Static pressure of booster fan with
air flow amount Q
D ... Static
pressure
amount of fresh air intake dust sys-
tem for air flow amount Q <Pa>
E ... Static pressure of indoor unit with air
flow amount Q
Qa ... Estimated amount of fresh air
intake with out D
3
4
5
6
7
8
1 intake
<m
/mim>
3
<Pa>
<Pa>
<Pa>
loss
increase
<Pa>
<m
3
/min>
Air flow
9
3
[m
/min]
2 intakes
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