Product Data Sheet RER225-55/18/2TDO Product Data Sheet RER225-55/18/2TDO The engineer's choice
Product Data Sheet RER225-55/18/2TDO RER225-55/18/2TDO INDEX 1 General ............................................................................................................................................................... 3 2 Mechanics .......................................................................................................................................................... 3 2.1 2.2 3 Operating Data ..............................................................................
Product Data Sheet RER225-55/18/2TDO 1 General Fan type Rotating direction looking at rotor Airflow direction Bearing system Mounting position - shaft 2 Mechanics 2.1 General Depth Diameter Mass Housing material Impeller material 2.
Product Data Sheet RER225-55/18/2TDO Wire 1 2 3 4 Color red blue violet white Operation + UB - GND CONTR Tacho Wire size AWG 18 AWG 18 AWG 22 AWG 22 Insulation diameter 2,2 mm 2,2 mm 1,30 mm 1,30 mm The auxilliaries shown on the schematic diagram (which are required for the intended use) are not part of our delivery.
Product Data Sheet RER225-55/18/2TDO 3 Operating Data 3.
Product Data Sheet RER225-55/18/2TDO Schematics Input voltage divider: R1 = 47 kOhm R2 = 36 kOhm For protection: There is parallel to R2 a 5,1 V Z-Diode Speed control: By pulse-width modulation (PWM) 0 ... 100% with switching transistor in emitter circuit and collector resistance to 12 V Frequency = 2 kHz (1 - 10 kHz) Information to the curve PWM: 0% - <10% PWM: 0 1/min 10% PWM: 800 1/min (Fan on, comming from 0% PWM) 10% - 13% PWM: 800 1/min (corresponding to min.
Product Data Sheet RER225-55/18/2TDO Speed control: By analog voltage 0 - 10 V Information to the curve analog: 0 V - < 1,3 V: 0 1/min 1,3 V: 800 1/min (Fan on, comming from von 0 V) 1,3 V - 1,6 V: 800 1/min (corresponding to min. speed) 1,6 V - 9,4 V: linear increasing curve 9,4 V - 10 V: 3.500 1/min (corresponding to max. speed) 1,3 V - > 1,0 V: linear decreasing curve (comming from 10 V) 1,0 V: 600 1/min or 0 1/min (Fan off, comming from 10 V) The fan have no sensor break detection! 3.
Product Data Sheet RER225-55/18/2TDO 3.3 Electrical Interface - Output Tacho type Features Tacho operating voltage Tacho signal Low Tacho signal High Maximum sink current External resistor Tacho frequency Tacho isolated from motor Slew rate /2 (open collector) Note UBS US low US high Isink Values <= 60,0 V I sink: 2 mA <=0,4 V I source: 0 mA <=60,0 V <= 20 mA External resistor Ra from UBS to US required. All voltages measured to GND. (3 x n) / 60 175 Hz @ 3.
Product Data Sheet RER225-55/18/2TDO Locked rotor protection Locked rotor current at UN Clock signal at locked rotor Internal fuse Auto restart Iblock approx. 2.000 mA t3 / t4 typical: 7,2 s / 10,0 s Littelfuse NANO2 > Very Fast-Acting > 451/453 Series 10A / 125V (Art.No.: 0451010.MRL) Locked rotor signal t5: After 2 failed start-ups there is an extended timeout of 50 s. 3.
Product Data Sheet RER225-55/18/2TDO 3.6 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 RER225-55/18/2TDO 02/01/2019 page 11 of 14
Product Data Sheet RER225-55/18/2TDO 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 1.
Product Data Sheet RER225-55/18/2TDO 5 Safety 5.1 Electrical Safety Dielectric strength DIN EN 60950 (VDE 0805) and DIN EN 60335 (VDE 0700) A.) Type test Measuring conditions: After 48h of storage at 95% R.H. and 25°C. No arcing or breakdown is allowed! All connections together to ground. B.) Routine test Measuring conditions: At indoor climate. No arcing or breakdown is allowed! All connections together to ground. Isolation resistance Measuring conditions: After 48h of storage at 95% R.H.
