Datasheet
Product Data Sheet AC 100 NR
2/28/2019 page 7 of 10
3.5 Sound Data
Measurement
conditions:
Sound pressure level: 1 meter distance between microphone and the air intake.
Sound power level: Acc. to DIN 45635 part 38 (ISO 10302)Sound power level: Acc. to DIN
45635 part 38 (ISO 10302)
Measured in a semianchoic chamber with a background noise level of Lp(A) < 5 dB(A)
For further measurement conditions see chapter aerodynamics.
a) Operation condition:
3.500 1/min at free air flow Frequency: 50 Hz Nominal voltage: 230 V
Optimal operating point 70 m3/h @ 33 Pa
Sound power level at the optimal operating
point
5,3 bel(A)
Sound pressure level at free air flow,
measured in rubber bands
42 dB(A)
b) Operation condition:
3.500 1/min at free air flow Frequency: 60 Hz Nominal voltage: 115
Optimal operating point 70 m3/h @ 33 Pa
Sound power level at the optimal operating
point
5,3 bel(A)
Sound pressure level at free air flow,
measured in rubber bands
42 dB(A)
4 Environment
4.1 General
Min. permitted ambient temperature TU min. 0 °C
Max. permitted ambient temperature TU max. 50 °C
Min. permitted storage temperature TL min. -20 °C
Max. permitted storage temperature TL max. 80 °C










