Mitsubishi Electric PLFY-P32VBM-ER2.UK Technical & Service Manual page 20

5-4. FRESH AIR INTAKE AMOUNT & STATIC PRESSURE CHARACTERISTICS
l
PLFY-P32/40/50/63/80VBM-E.UK
PLFY-P32/40/50/63/80VBM-E
PLFY-P32/40/50/63/80VBM-ER2.UK
PLFY-P32/40/50/63/80VBM-ER3.UK
Multi function casement + Standard filter
50
0
-50
-100
-150
-200
0 1 2
Airflow rate [m
Taking air into the unit
50
0
-50
-100
-150
-200
0 1 2
Airflow rate [m
2
PLFY-P100/125VBM-E.UK
PLFY-P100/125VBM-ER2.UK
PLFY-P100/125VBM-ER3.UK
Multi function casement + Standard filter
50
0
-50
-100
-150
-200
0 2
Airflow rate [m
Taking air into the unit
50
0
-50
-100
-150
-200
0 2
Airflow rate [m
OCH413D
.UK
1
2 - inlet
1 - inlet
3 4 5
/min]
3
3 4 5
/min]
3
2 - inlet
1 - inlet
4 6 8
/min]
3
4 6 8
/min]
3
Multi function casement + High efficiency filter
50
0
-50
-100
-150
-200
0 1
6
How to read curves
Duct characteristics
Curve in the
at site
1
graphs
0
Q
2
Q
6
3
Q
Qa
Multi function casement + High efficiency filter
50
0
-50
-100
-150
-200
0 2
Airflow rate [m
20
2 - inlet
1 - inlet
2 3 4
Airflow rate [m /min]
3
Q ... Planned 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 airflow amount Q
C ... Static pressure of booster fan with
airflow amount Q
D ... Static pressure loss increase
amount of fresh air intake duct sys-
tem for airflow amount Q
E ... Static pressure of indoor unit with
airflow amount Q
Qa ... Estimated amount of fresh air
intake without D
2 - inlet
1 - inlet
4 6
/min]
3
5 6
<m /min>
3
<Pa>
<Pa>
<Pa>
<Pa>
<Pa>
<m 3 /min>
8