Product Data Sheet ACi 4410 HHU

8/17/2015

page 8 of 10

3.6

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 section 3.4

a) Operation condition:

3.300 1/min at free air flow

Frequency: 50 Hz

Nominal voltage: 115 V

Optimal operating point

142,0 m3/h @ 27 Pa

Sound power level at the optimal operating

point

5,5 bel(A)

Sound pressure level at free air flow,

measured in rubber bands

43,0 dB(A)

4

Environment

4.1

General

Min. permitted ambient temperature TU min.

-20 °C

Max. permitted ambient temperature TU max.

75 °C

Min. permitted storage temperature TL min.

-40 °C

Max. permitted storage temperature TL max.

80 °C

4.2

Climatic Requirements*)

IP-protection type (certified)

IP 65 (for fan only, not for connector if applicable) **)

Humidity requirements

humid temperature, cyclic; according to DIN EN

60068-2-38, 10 cycle and condensation water

check; according to DIN EN ISO 6270-2, 14 days

Salt fog requirements

salt fog, cyclic, in operation; according to DIN EN

60068-2-52, 3 cycle

*) Permittet application area:

The product is for the use in open and unsheltered areas. Direct exposure to water as well as saline ambient

conditions are allowed provided that this does not prevent the normal operation.

Pollution degree 3 (according DIN EN 60664-1)

It occurs conductive pollution or dry non-conductive pollution which becomes conductive due to condensation.

**) The specification of the IP protection refers to the conditions mentioned in certification of the fan. The above

mentioned short description of the protection scope is not final. For detailed information of the respective protection

scope and definitions, see certification as well as DIN EN 60529 (protection by housings) and ISO 20653 (for vehicles)

with the letter K.