Directive 2006/42/EC, when the EM-PMI electric machines are fitted into machinery. Warranty Danfoss offers warranty against defects in workmanship and materials for its products for a period of twelve (12) months from commissioning or eighteen months (18) from delivery (Incoterms-EXW), whichever occurs first.
Duty type according to the IEC60034; Duty with non-periodic load and speed variations Responsibility of the manufacturer Danfoss is responsible for the safety, reliability and performance of the electric machine only if: • Handling, mounting, installation, operation and maintenance are done by qualified and authorized personnel.
Permanent magnets in the rotor System introduction Danfoss provides electric drive trains for applications in heavy mobile work machines, marine vessels and buses. The drive trains include all essential components for converting from traditional to hybrid electric (HEV) or electric vehicle (EV) solutions. Danfoss technology saves fuel and lowers emission and noise levels.
If the electric machine is driven with an inverter from a supplier other than Danfoss Editron, the electric machine performance may differ from rated values. The optimum performance of the electric machine is obtained with Danfoss Editron inverters.
AUX DC - The main machine power driving parameters are shown in the machine rating plate. For more information, contact Danfoss representative. You can connect one of the temperature signals (from the low voltage connector) to the temperature surveillance pin in the inverter and make sure that the inverter has the machine temperature protection feature activated.
For electric machines EM-PMI540B-T1500 and EM-PMI540B-T2000, the type of the electric machine shaft is DIN 5480 W55x2x26x8f. The flange type is SAE 1/2 transmission housing. For electric machines EM-PMI540B-T3000 and EM-PMI540B-T4000, the type of the electric machine shaft is cylindrical shaft with diameter of 70 mm h7 and contact length of 130 mm.
Do not touch the electrical terminals when the rotor is rotated. The electrical terminals have dangerous voltage during rotation. Contact Danfoss representative if the rotor can not be rotated. Remove the transportation supports of the electric machine.
Reference value of 500 MΩ has to be exceeded at reference ambient temperature 25°C (measured with 500 V / 1 min insulation resistance test). Contact Danfoss Editron service if the reference value is not exceeded. Measuring the insulation resistance Insulation resistance testers generate lethal voltages.
It is in some cases possible to make an exception from the limitations of the mounting positions. Document Allowed bearing loads for EM-PMI machines DOC-000454 gives more information about this. Contact Danfoss to obtain the document. The electric machine must be installed horizontally. The standard horizontal mounting option (MDH) is the only possible mounting option.
Page 43
If additional support is needed, use the Side/Foot/V- mounting bores. Note that V-mounting is not applicable to the EM-PMI540B-T4000 variant, and the highlighted mounting is used only for Foot mounting. 3. Align the electric machine with the mating housing alignment. See Chapter Shaft alignment and load.
The figure below shows the components of the high voltage connection box assembly. You are allowed to open only the nuts and bolts that are specified here. Only Danfoss professionals are allowed to open other nuts and bolts in the terminal box.
For the maximum coolant liquid temperature at the inlet of the coolant circuit, see the product data sheet. If electric machine operation limits are exceeded, please contact Danfoss representative. Condition monitoring during operation Supervise the electric machine during operation to make sure that the electric machine operates correctly and has a designed lifetime.
(1/2) of the rated speed and maximum 20 % of the nominal torque may be used. In such case, the electric machine may be operated for maximum one hour. Repair the cooling system as soon as possible. For further information, contact Danfoss representative. The temperature measurement of the electric machine fails When reading the temperature (resistance) values from the additional sensor, add +15ºC to the...
Bolt tightness. Tighten to proper value if necessary. Applies to bolts and screws that are discussed in this user guide. See Chapter Tightening torques. Bearings Detect any unusual noise or vibration. If exists, contact Danfoss. Enclosure and connected Check cleanliness. Clean if necessary. See Chapter Cleaning. parts Shaft seals Check the wear.
Page 77
The information of bearing lifetime and bearing grease lifetime are estimations only to provide a magnitude of them. The bearing lifetime and bearing grease lifetime in customer application may vary. Danfoss is not responsible for the actual bearing lifetime in use. For further information, contact Danfoss representative.
DC resistance meter and compare to manufacturer specifications. Replace the electric machine if necessary. Inverter switching frequency too low. If other than a Danfoss Editron inverter is used, ensure that the switching frequency is at least equal to the required minimum switching frequency of the motor.
Page 82
Demagnetization of magnets due to Check that the back-EMF of the motor is within specifications. Contact local overheating. Danfoss representative. Replace the electric machine if necessary. Bearing fault. Check the bearing temperature, lubrication and conditions. Contact local Danfoss representative for further information.
Service parts The recommended service parts are listed in this Section. Maintenance procedures not described in this user guide require special tools and instructions. Contact Danfoss for more information and purchasing. Service part kits for EM-PMI540B-T1500 / T2000 Position...
Page 84
User Guide EM-PMI540B Aftersales Service part kits for EM-PMI540B-T3000 / T4000 Position Kit name Description Order number HV terminal box cover Replacement seals/bolts 11333593 Plugs D-end Replacement plug/seal 11334553 Plugs, N-end Replacement plug/seal 11334535 LV terminal box cover, D-end (with +LVB1)
Phone: +86 21 2080 6201 Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products already on order provided that such alterations can be made without subsequent changes being necessary in specifications already agreed.
Need help?
Do you have a question about the EM-PMI540B and is the answer not in the manual?
Questions and answers