Service manual

20
-200
-150
-100
-50
0
50
0123456
Static pressure[Pa]
Airflow rate [m
3
/min]
-200
-150
-100
-50
0
50
02468
Static pressure[Pa]
Airflow rate [m
3
/min]
Static pressure[Pa]
Static pressure[Pa]
-200
-150
-100
-50
0
50
02468
2 - inlet
1 - inlet
-200
-150
-100
-50
0
50
02468
2 - inlet
1 - inlet
Airflow rate [m
3
/min]
Airflow rate [m
3
/min]
-200
-150
-100
-50
0
50
0123456
2 - inlet
1 - inlet
Static pressure[Pa]
-200
-150
-100
-50
0
50
0123456
2 - inlet
1 - inlet
Airflow rate [m
3
/min]
Airflow rate [m
3
/min]
Static pressure[Pa]
l PLFY-P32/40/50/63/80VBM-E.UK
PLFY-P32/40/50/63/80VBM-E1.UK
PLFY-P32/40/50/63/80VBM-ER2.UK
PLFY-P32/40/50/63/80VBM-ER3.UK
Multi function casement + Standard filter
2 PLFY-P100/125VBM-E.UK
PLFY-P100/125VBM-ER2.UK
PLFY-P100/125VBM-ER3.UK
Multi function casement + High efficiency filter
Taking air into the unit
Multi function casement + Standard filter
Multi function casement + High efficiency filter
Taking air into the unit
5-4. FRESH AIR INTAKE AMOUNT & STATIC PRESSURE CHARACTERISTICS
Q
0
B
A
C
1
Curve in the
graphs
Duct characteristics
at site
Q
A
EC
2
Q
Qa
AD
3
Q
…
Planned amount of fresh air intake
<m
3
/min>
A
…
Static pressure loss of fresh air
intake duct system with airflow
amount Q <Pa>
B
…
Forced static pressure at air condi-
tioner inlet with airflow amount Q
<Pa>
C
…
Static pressure of booster fan with
airflow amount Q <Pa>
D
…
Static pressure loss increase
amount of fresh air intake duct sys-
tem for airflow amount Q <Pa>
E
…
Static pressure of indoor unit with
airflow amount Q <Pa>
Qa
…
Estimated amount of fresh air
intake without D <m
3
/min>
How to read curves
OCH413D