Fan Inverter
22.3.2 C2: Airflow charts: Original
Original
0
50
100
150
200
250
300
350
400
450
0
50
100
150
200
250
300
350
400
450
0
100
200
300
400
500
600
700
800
900
1000 1100 1200 1300 1400 1500
Preassure reading (Pa)
110 mm
225 mm
6 mm copper tube
192
Pa
Telescopic, metal
Original
0
100
200
300
400
500
600
700
800
0
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
800
0
100
200
300
400
500
600
700
800
900
1000 1100 1200 1300 1400 1500 1600
Pressure reading (Pa)
With light grill
Q=49,5dp^0,5
Without light grill
Q=53dp^0,5
300
Pa
Long probe along hood and tip toward
support ring
Probe of
6mm Cu-tube
225mm
110
m
m
Take 5 readings,
exclude Maximum
and Minimum. Take
the average for
reading in diagram
Q=63,05xdp^0,5
Air Flow (m
3
/h)
Air Flow (m
3
/h)
42