Datasheet

Product Data Sheet RER220-43/18/2TDO
02/02/2019 page 12 of 15
3.7 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)
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 U Contr. 10 V
Optimal operating point 640 m3/h @ 425 Pa
Sound power level at the optimal operating
point
7,8 bel(A)
Sound pressure level at free air flow,
measured in rubber bands
4 Environment
4.1 General
Min. permitted ambient temperature TU min. -20 °C
Max. permitted ambient temperature TU max. 55 °C
Min. permitted storage temperature TL min. -40 °C
Max. permitted storage temperature TL max. 80 °C
4.2 Climatic Requirements
Humidity requirements humid heat, constant; according to DIN EN 60068-2-78, 14 days
Water exposure None
Dust requirements None
Salt fog requirements None
Permitted application area:
The product is intended for use in sheltered rooms with controlled temperature and controlled humidity. Directly
exposure to water must be avoided.
Pollution degree 1 (according DIN EN 60664-1)
There is either no pollution or it occurs only dry, non-conductive pollution. The pollution has no negative impact.
Please require severity levels and specification parameters from the responsible development departments.
4.3 EMC
Kind Electrostatic Discharge Immunity Test
According DIN EN 61000-4-2:2001-12
Ceck accuracy / Limit Contact Discharge +/- 4 kV; Air Discharge +/- 8 kV
Result A: The monitored function operates as designed during and after exposure
to a disturbance.
Kind Electromagnetic Field Immunity Test
According DIN EN 61000-4-3:2006-12