82
50
0
-50
-100
-150
-200
-250
-300
Static pressure[Pa]
Airflow rate[m³/min]
0 1 2 3 4
50
0
-50
-100
-150
-200
-250
-300
Static pressure[Pa]
Airflow rate[m³/min]
0 1 2 3 4
Q
0
B
A
C
1
Curve in the
graphs
Duct characteristics
at site
Q
A
EC
2
Q
Qa
AD
3
8-7. PCA-RP·KA
8-7-1. Fresh air intake amount & static pressure characteristics
How to read the chart
PCA-RP50KA
Q…Designed 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
Qa…Estimated amount of fresh air
intake without D
<m
3
/min>
PCA-RP60, 71KA
