Product Data Sheet ACi 4420 MLR The engineer's choice
Product Data Sheet ACi 4420 MLR ACi 4420 MLR INDEX 1 General ............................................................................................................................................................... 3 2 Mechanics .......................................................................................................................................................... 3 2.1 2.2 3 Operating Data ........................................................................................
Product Data Sheet ACi 4420 MLR 1 General Fan type Rotating direction looking at rotor Airflow direction Bearing system Mounting position - shaft 2 Mechanics 2.1 General Width Height Depth Diameter Mass Housing material Impeller material Max. torque when mounted across both mounting flanges Screw size Rotor protrusion max. 2.
Product Data Sheet ACi 4420 MLR 3 Operating Data 3.1 Electrical Interface - Input External voltage supply for input and output signals must be SELV conform. 3.2 Electrical Operating Data Features Voltage range Tolerance Nominal voltage Frequency Power consumption Tolerance Current consumption Tolerance Speed Condition Symbol Values U UN f ∆p = 0 P ∆p = 0 IRMS ∆p = 0 230 V 230 V 50 Hz / 60 Hz 1,7 W +- 20 % 14 mA 14 mA +- 20 % +- 20 % 1.
Product Data Sheet ACi 4420 MLR 3.
Product Data Sheet ACi 4420 MLR 3.4 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 ACi 4420 MLR 2/28/2019 page 7 of 10
Product Data Sheet ACi 4420 MLR 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) 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 ACi 4420 MLR 5 Safety 5.1 Electrical Safety A verification of thermal conditions (normal and abnormal operation) as well as the protection against electric shock, ingress of solid foreign objects and water has to be done in conjuction with the appliance. Test voltage HV type test Unit test voltage Time type test HV Insulation resistance Protection class 5.
