PLFY-26
PLFY-P-NCMU-ER4, -NBMU-E2 (November 2015)
© 2015 Mitsubishi Electric US, Inc.
7. VENTILATION AIR INTAKE AMOUNT AND STATIC PRESSURE
PLFY-P08, 12, 15, 18NBMU-E2
PLFY-P24, 30, 36NBMU-E2
2 - inlet
1 - inlet
2 - inlet
1 - inlet
2 - inlet
1 - inlet
-200(-80)
-150(-60)
-100(-40)
-50(-20)
0
50(20)
0
1
2
50
100
150
200 [CFM]
3
4
5
6[CMM]
2 - inlet
1 - inlet
Airflow rate
Airflow rate
Static pressure
[P
a(in.W.G.
10
-2
)]
-200(-80)
-150(-60)
-100(-40)
-50(-20)
0
50(20)
0
1
2
50
100
150
200 [CFM]
3
4
5
6[CMM]
Static pressure
[P
a(in.W.G.
10
-2
)]
-200(-80)
-150(-60)
-100(-40)
-50(-20)
0
50(20)
0
1
2
50
100
150
200 [CFM]
3
4
5
6[CMM]
Airflow rate
Static pressure
[P
a(in.W.G.
10
-2
)]
-200(-80)
-150(-60)
-100(-40)
-50(-20)
0
50(20)
0
2
50
100
150
200
250
[CFM]
4
8 [CMM]
6
Airflow rate
Static pressure
[P
a(in.W.G.
10
-2
)]
-200(-80)
-150(-60)
-100(-40)
-50(-20)
0
0
50(20)
0
2
50
100
150
200
250
[CFM]
4
8 [CMM]
6
Airflow rate
Static pressure
[P
a(in.W.G.
10
-2
)]
-200(-80)
-150(-60)
-100(-40)
-50(-20)
50(20)
0
2
50
100
150
200
250
[CFM]
4
8 [CMM]
6
Airflow rate
Static pressure
[P
a(in.W.G.
10
-2
)]
Q
0
B
A
C
1
Curve in the
graphs
Duct characteristics
at site
Q
A
EC
2
Q
Qa
AD
3
Q Designed amount of fresh air intake
A Static pressure loss of fresh air intake
duct system with airflow 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 loss
increase amount
of fresh air intake duct system for air-
flow amount Q
E Static pressure of indoor unit with air-
flow amount Q
Qa Estimated amount of fresh air intake
with out D
<CMM(CFM)>
<CMM(CFM)>
<Pa(in.W.G.
)>
10
-2
<Pa(in.W.G.
)>
10
-2
<Pa(in.W.G.
)>
10
-2
<Pa(in.W.G.
)>
10
-2
<Pa(in.W.G.
)>
10
-2
How to read curves
Multifunction ca High efficiency filter
Taking air into the unit
Multifunction ca Standard filter
Multifunction ca Standard filter
Taking air into the unit
Multifunction ca High efficiency filter
