Product Data Sheet 4856 ZWU The engineer's choice
Product Data Sheet 4856 ZWU 4856 ZWU INDEX 1 General ............................................................................................................................................................... 3 2 Mechanics .......................................................................................................................................................... 3 2.1 2.2 3 Operating Data ................................................................................................
Product Data Sheet 4856 ZWU 1 General Fan type Rotating direction looking at rotor Airflow direction Bearing system Mounting position - shaft Balancing grade 2 Mechanics 2.1 General Width Height Depth Diameter Mass Housing material Impeller material Max.
Product Data Sheet 4856 ZWU 2.
Product Data Sheet 4856 ZWU 3 Operating Data 3.1 Electrical Operating Data Measurement conditions: Normal air density = 1,2 kg/m3; Temperature 23°C +/- 3°C; Motor axis horizontal;warm-up time before measuring 5 minutes (unless otherwise specified). In the intake and outlet area should not be any solid obstruction within 0,5 m. ∆p = 0: corresp. to free air flow (see chapter aerodynamics) I: corresp.
Product Data Sheet 4856 ZWU 3.2 Electrical Features Locked rotor protection Locked rotor current at 3.3 Impedance Aerodynamics Measurement conditions: Measured with a double chamber intake rig acc. to DIN EN ISO 5801. Normal air density = 1,2 kg/m3; Temperature 23°C +/ - 3°C; In the intake and outlet area should not be any solid obstruction within 0,5 m. Motor shaft horizontal. The information is only valid under the specified test conditions and may be changed by the installation conditions.
Product Data Sheet 4856 ZWU 01/31/2019 page 7 of 11
Product Data Sheet 4856 ZWU 3.4 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: 1.
Product Data Sheet 4856 ZWU **) 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. Short description of the IP-protection type: Solid particle Protection: Dust tight.
Product Data Sheet 4856 ZWU Life expectancy L10 at TU max. 22.
