Mitsubishi Electric MFZ-KA-VA Technical Data Book page 74

3. Fresh air intake volume & static pressure characteristics
PLA-RP35~71BA(2)
At using multi-function casement, standard filter
50
0
-50
-100
-150
-200
0 1 2
Direct intake to unit
50
0
-50
-100
-150
-200
0 1 2
Air flow rate [m
At using multi-function casement, high efficiency filter
50
0
-50
-100
-150
-200
0 1 2
Air flow rate [m
2 - inlet
1 - inlet
3 4 5
3
Air flow rate [m /min]
3 4 5
3
/min]
2 - inlet
1 - inlet
3 4 5
3
/min]
How to read the chart
Field duct
1 characteristics
Line of chart
0
6
Q
2
Q
3
Q
Qa
6
6
74
Q...Designed fresh air intake volume
<m /min>
3
A...Static pressure loss [Pa] of fresh
air intake duct at airflow rate of Q
B...Required boost pressure [Pa] of
air conditioner inlet at airflow rate
of Q
C...Required static pressure [Pa] of
booster fan at airflow rate of Q
D...Required compensation [Pa] for
static pressure loss of fresh air
intake duct to make airflow rate Q
E...Static pressure [Pa] of indoor unit
at airflow rate of Q
Qa...Estimated fresh air intake
[m /min] without compensation of D
3