Mitsubishi Electric City Multi PLFY Series, Техническое и сервисное руководство, Страница: 18 / 40

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Static pressure[Pa]
Airflow rate [m
3
/min]
Static pressure[Pa]
Airflow rate [m 3 /min]
Static pressure[Pa]
Static pressure[Pa]
Airflow rate [m
3
/min] Airflow rate [m
3
/min]
Static pressure[Pa]
Airflow rate [m
3
/min]
Airflow rate [m
3
/min]
Static pressure[Pa]
− 150
− 125
− 100
− 75
− 25
− 50
0
50
25
0 0.2 0.4 0.6 0.8 1 1.2 1.4
− 200
− 150
− 100
− 50
0
50
0 1 2 3 4 5 6
− 150
− 200
− 100
− 50
0
50
0 1 2 3 4 5 6
−150
−200
−100
−50
0
50
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8
− 150
− 200
− 100
− 50
0
50
0 1 2 3 4 5 6 7
−150
−200
−100
−50
0
50
0 1 2 3 4 5 7 6
2 - inlet
2 - inlet
2 - inlet
1 - inlet
1 - inlet
1 - inlet
2 - inlet
1 - inlet
l
PLFY-P20/25/32/40/50/63/80VEM-E.UK
Multi-functional ca Standard filter
2
PLFY-P100/125VEM-E.UK
Multi-functional ca High efficiency filter
Taking air into the unit
Multi-functional ca Standard filter
Multi-functional ca High efficiency filter
Taking air into the unit
4-4. FRESH AIR INTAKE AMOUNT & STATIC PRESSURE CHARACTERISTICS
Q
0
B
A
C
1
Curve in the
graphs
Duct characteristics
at site
Q
A
E
C
2
Q
Qa
A
D
3
Q
…
Designed amount of fresh air intake
<m
3
/min>
A… Static pressure loss of fresh air
intake air 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 system 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
OCH657