Mitsubishi Electric Mr.SLIM PCA-RP50KAQ Service Manual page 9

4-2. FRESH AIR INTAKE AMOUNT & STATIC PRESSURE CHARACTERISTICS
■ PCA-RP50KAQ
50
0
-50
-100
-150
-200
-250
-300
0 1
Airflow rate[m³/min]
■
PCA-RP100, 125, 140KAQ
50
0
-50
-100
-150
-200
-250
-300
0 1
Airflow rate[m³/min]
2 3 4
2 3 4
■
PCA-RP60, 71KAQ
50
0
-50
-100
-150
-200
-250
-300
0
How to read curves
Duct characteristics
Curve in the
at site
1
graphs
0
Q
2
Q
3
Q
Qa
9
1 2 3
Airflow rate[m³/min]
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 conditioner
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 system for
airflow amount Q
E ... Static pressure of indoor unit with
airflow amount Q
Qa ... Estimated amount of fresh air
intake without D <m
4
<m /min>
3
<Pa>
<Pa>
<Pa>
<Pa>
<Pa>
/min>
3