Mitsubishi Electric Mr.SLIM PCA-RP50KAQ Service Manual page 12

5-2. FRESH AIR INTAKE AMOUNT & STATIC PRESSURE CHARACTERISTICS
PCA-RP35, 50KAQ
■
PCA-RP50KAQR1
50
0
-50
-100
-150
-200
-250
-300
0 1 2
Airflow rate[m³/min]
■
PCA-RP100, 125, 140KAQ
50
0
-50
-100
-150
-200
-250
-300
0 1 2
Airflow rate[m³/min]
OCH491C
3 4
3 4
12
■
PCA-RP60, 71KAQ
PCA-RP60, 71KAQR1
50
0
-50
-100
-150
-200
-250
-300
0 1
Airflow rate[m³/min]
How to read curves
Duct characteristics
Curve in the
at site
1
graphs
Q ... Designed amount of fresh air intake
0
A ... Static pressure loss of fresh air
intake duct system with airflow
Q
amount Q
B ... Forced static pressure at air conditioner
2
inlet with airflow amount Q
C ... Static pressure of booster fan with
airflow amount Q
D ... Static pressure loss increase amount
Q
of fresh air intake duct system for
airflow amount Q
E ... Static pressure of indoor unit with
3
airflow amount Q
Qa ... Estimated amount of fresh air
intake without D
Q
Qa
2 3 4
<m /min>
3
<Pa>
<Pa>
<Pa>
<Pa>
<Pa>
<m /min>
3