Download Print this page
Danfoss EM-PMI540B User Manual

Danfoss EM-PMI540B User Manual

Generator

Advertisement

Quick Links

User Guide
Motor / Generator
EM-PMI540B
www.danfoss.com

Advertisement

loading
Need help?

Need help?

Do you have a question about the EM-PMI540B and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Summary of Contents for Danfoss EM-PMI540B

  • Page 1 User Guide Motor / Generator EM-PMI540B www.danfoss.com...
  • Page 2: Revision History

    User Guide EM-PMI540B Revision history Table of revisions Date Changed August 2024 First edition 0101 © Danfoss | August 2024 BC479029446185en-000101...
  • Page 3: Table Of Contents

    Connection diagram................................48 Cable gland assembly and power line connection....................49 Low voltage connections...............................55 Grounding connections................................. 65 Anti-condensation heater connections..........................68 Operation Operation conditions..................................70 Condition monitoring during operation..........................71 Recommended lubricants................................71 Recommended coolants................................72 Emergency operation...................................72 © Danfoss | August 2024 BC479029446185en-000101 | 3...
  • Page 4 User Guide EM-PMI540B Contents Maintenance Regular maintenance................................... 74 Cleaning......................................75 Bearings and lubrication................................76 Cooling system maintenance..............................79 Dismounting Troubleshooting Aftersales Service policy....................................83 Service parts.....................................83 Disposal Storage, installation and maintenance checklists © Danfoss | August 2024 BC479029446185en-000101...
  • Page 5: General Information

    Note! Only options that differ from the standard delivery are indicated. For detailed information on the models, options and characteristics, see product-specific data sheet. © Danfoss | August 2024 BC479029446185en-000101 | 5...
  • Page 6 Anti-condensation heaters None +HEAT1 One anti-condensation 230 V / 130 W heater Machine coating None High corrosion category Type of coating: Epoxy Minimum number of coats (MNOC): 2 Minimum nominal dry film thickness: 240 μm © Danfoss | August 2024 BC479029446185en-000101...
  • Page 7 +HEAT1 One anti-condensation 230 V / 130 W heater Machine coating None High corrosion category Type of coating: Epoxy Minimum number of coats (MNOC): 2 Minimum nominal dry film thickness: 240 μm © Danfoss | August 2024 BC479029446185en-000101 | 7...
  • Page 8 +HEAT2 Two anti-condensation 2 x 230 V / 130 W heaters Machine coating None High corrosion category Type of coating: Epoxy Minimum number of coats (MNOC): 2 Minimum nominal dry film thickness: 240 μm © Danfoss | August 2024 BC479029446185en-000101...
  • Page 9 Minimum nominal dry film thickness: 240 μm (** Winding temperature sensors are for stator winding. The selection of high voltage connections does not have an influence on the quantity of PT100 elements. © Danfoss | August 2024 BC479029446185en-000101 | 9...
  • Page 10: Conformity According To Standards

    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.
  • Page 11: Responsibility Of The Manufacturer

    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.
  • Page 12: Safety Information

    It indicates a hot device that could cause burns to a person. The symbol also indicates that the device should be placed and installed so that contact with its potentially hot surface is not possible. © 12 | Danfoss | August 2024 BC479029446185en-000101...
  • Page 13: Personal Protective Equipment

    The number of the temperature sensors in the windings of the electric machine follows the requirements of the standards. The amount of the sensors depends on the options chosen. The temperature signal(s) © Danfoss | August 2024 BC479029446185en-000101 | 13...
  • Page 14: Electromagnetic Compatibility (Emc)

    It is the responsibility of the installer to make sure that the equipment or system into which the product is incorporated complies with the EMC legislation of the country of use. Within the European Union, equipment into which this product is incorporated must comply with the EMC Directive 2014/30/EU. © 14 | Danfoss | August 2024 BC479029446185en-000101...
  • Page 15: Product Overview

    Machine structure designed to be able to produce high starting torques (instant torque to non- moving wheel). • Optimized speed range to meet most common gear ratios used in heavy mobile machinery. © Danfoss | August 2024 BC479029446185en-000101 | 15...
  • Page 16 User Guide EM-PMI540B Product overview EM-PMI540B-T1500 EM-PMI540B-T2000 © 16 | Danfoss | August 2024 BC479029446185en-000101...
  • Page 17: Intended Use Of The Electric Machine

    Intended use of the electric machine This electric machine is intended to be used as a motor or generator and as a part of a machinery, for example in: © Danfoss | August 2024 BC479029446185en-000101 | 17...
  • Page 18: Used Technology

    The electric machine efficiency at lower speeds is also good. The supply current to the machine stator windings create rotating magnetic field, which in turn rotates the rotor containing permanent magnets. In the synchronous permanent magnet machine, the rotation © 18 | Danfoss | August 2024 BC479029446185en-000101...
  • Page 19: System Introduction

    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.
  • Page 20: Connections And Interfaces

    Measurement connector (connection through the connection box) / Measurement signal connectors. • Anti-condensation heater connection (+HEAT1) (through the connection box) / Anti-condensation heater connections (+HEAT2 option). • Bearing temperature connectors (+BTMP1 option). • Leakage sensor connectors. © 20 | Danfoss | August 2024 BC479029446185en-000101...
  • Page 21 Grease inlet D-end bearing (DIN 71412) Power connection Grease inlet N-end bearing (DIN 71412) Lifting point Cooling system connection Optional: Anti-condensation heater connector Lifting point Bearing temperature measurement connector Grease escape connection (alternative to item 21) © Danfoss | August 2024 BC479029446185en-000101 | 21...
  • Page 22: Rating Plate

    Explanation Unit Electric machine product family: EM-PMI or EM-PME Electric machine type code and options Serial No. Serial number Rated voltage (phase-to-phase AC) Rated current (AC) Rated power (S9) according to IEC60034-1 © 22 | Danfoss | August 2024 BC479029446185en-000101...
  • Page 23: Tightening Torques

    Connection Tightening torque Connection box (High voltage boxes at N-end) cover plate screws, M6 11 Nm Low voltage box cover plate screws, M6 (only if +LVB1) 11 Nm Cable lug 15 Nm © Danfoss | August 2024 BC479029446185en-000101 | 23...
  • Page 24 V & S mounting: 0.12 friction factor under bolt head and 0.14 friction factor in the thread • V & S mounting: 24 mm thread engagement Tightening torques to use unless otherwise noted 10.9 12.9 Thread © 24 | Danfoss | August 2024 BC479029446185en-000101...
  • Page 25: Design Principles

    The value of the insulation lifetime expectancy is a calculated value and it is not tested in practice. The insulation of the electric machine has the following lifetime expectancy. © Danfoss | August 2024 BC479029446185en-000101 | 25...
  • Page 26: Inverter

    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.
  • Page 27: Mounting Structure

    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.
  • Page 28 Length of the electric machine frame. Length of the shaft (from the end of the shaft to the electric machine D-end mounting shoulder). Diameter of the flange mounting bore circle. Diameter of the mounting shoulder. © 28 | Danfoss | August 2024 BC479029446185en-000101...
  • Page 29: Shaft Alignment And Load

    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.
  • Page 30 For more information, see document DOC-000454. Calculate the relevant values with the help of the document. Contact Danfoss service at https://danfosseditron.zendesk.com/hc/en-gb or send email to editron.service@danfoss.com to obtain the document. External shaft forces of the electric machine © 30 | Danfoss | August 2024...
  • Page 31: Transportation And Storage

    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.
  • Page 32 See the electric machine rating plate for weight information. Lift the electric machine using the correct lifting lugs/eyes only. Do not go under a lifted load. Lifting slings cannot touch the electric machine during the lifting. © 32 | Danfoss | August 2024 BC479029446185en-000101...
  • Page 33: Storage

    Install 2 pieces of lifting eyes to the lifting bores in the electric machine frame. The lifting eyes should be mounted with their full threaded length. Storage Do not touch the electrical terminals when the shaft is rotated. The electrical terminals have dangerous voltage during rotation. © Danfoss | August 2024 BC479029446185en-000101 | 33...
  • Page 34: Extended Storage

    Rotate the shaft of the electric machine once a month. Keep the electric machine in its installation position while in storage. For example, vertically installed electric machines should be stored in vertical position. © 34 | Danfoss | August 2024 BC479029446185en-000101...
  • Page 35: Installation

    Only trained and qualified personnel familiar with the relevant safety requirements can work with the electric machine. Use correct personal protective equipment when you are near the electric machine. Read the instructions in this user guide before you install the electric machine. © Danfoss | August 2024 BC479029446185en-000101 | 35...
  • Page 36: Required Tools

    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.
  • Page 37 3 and 4 to the motor frame before making the measurements. Then proceed to the following measurement steps for windings 3 and 4. Quad winding motors - Winding 3 Test voltage Test duration Pass criteria 500 V 60 s > 500 MΩ © Danfoss | August 2024 BC479029446185en-000101 | 37...
  • Page 38: Measurement Procedure

    2. Connect all pins of the LV connector, bearing temperature sensors and heaters to the motor frame. 3. Connect the measurement devices ground cable to the motor frame. 4. Connect the measurement probe to the winding 4 phases. Quad winding motors © 38 | Danfoss | August 2024 BC479029446185en-000101...
  • Page 39 PMI540B-T3000/T4000: For LV connection box, do not connect grounding pins. 3. Connect the measurement device ground to the motor frame. 4. Connect the measurement probe to all auxiliary circuits. Auxiliary circuit measurement - Dual winding motor © Danfoss | August 2024 BC479029446185en-000101 | 39...
  • Page 40: Mechanical Installation

    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 41 Allowed machine tilt angle for continuous operation. (viewed from the shaft end) Allowed momentary machine tilt angle, for the maximum duration of 30 % of the work cycle. (viewed from the shaft end) © Danfoss | August 2024 BC479029446185en-000101 | 41...
  • Page 42: Mounting The Electric Machine

    Mounting the electric machine Do not exceed the maximum axial and radial forces calculated for the shaft. Document Allowed bearing loads for EM-PMI machines DOC-000454 gives more information about this. Contact Danfoss to obtain the document. © 42 | Danfoss | August 2024...
  • 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.
  • Page 44 D-end flange (SAE1/2) and bolt bores for mounting the electric machine (12 pieces). Bores for the lifting eyes. Shaft of the electric machine: EM-PMI540B-T1500/T2000: W55x2x26x8f EM-PMI540B-T3000/T4000: Cylindrical shaft, dia:70 mm h7, contact length130 mm © 44 | Danfoss | August 2024...
  • Page 45: Cooling Connections

    Electrical installation Power connections High voltage connection Risk of electric shock when connection box is open. When you work with power connections make sure that electricity is disconnected and shaft rotation is prevented. © Danfoss | August 2024 BC479029446185en-000101 | 45...
  • Page 46: Installing The Power Cables

    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.
  • Page 47 User Guide EM-PMI540B Installation Connection box module Connection box cover plate, gasket extruding Connection box mounting bolts, M6 x 16 DUAL and QUAD winding motors © Danfoss | August 2024 BC479029446185en-000101 | 47...
  • Page 48: Connection Diagram

    The amount of inverters depends on the electric machine and converter current ratings. See also the relevant wiring diagrams. For an electric machine with option DUAL (two connection boxes each containing one three-phase system), the electrical connection principles from the inverters are shown in the Figure below. © 48 | Danfoss | August 2024 BC479029446185en-000101...
  • Page 49: Cable Gland Assembly And Power Line Connection

    This Chapter describes how to assemble screened power cables to the electric machine. See the cable glands recommendations from the Table below. Cable gland assembly instruction can also be found from PFLITSCH gland catalog available from http://www.pflitsch.de. © Danfoss | August 2024 BC479029446185en-000101 | 49...
  • Page 50 Measure with the cable lug that is used and cut to suitable length. Do not remove the cable sheath completely at this point and do not cut the braid screen of the cable! © 50 | Danfoss | August 2024 BC479029446185en-000101...
  • Page 51 4. Insert the cable to the cable gland with slight turning motion. This helps the cable to go through the spring inside the cable gland. Push the cable gland against the sheath of the cable as shown in Figure below. Cable to the gland assembly © Danfoss | August 2024 BC479029446185en-000101 | 51...
  • Page 52 Crimp the cable lug at least twice in different places starting as near to the flat part of the lug as possible and towards the barrel part of the lug. Make sure that the cable does not slip out from the lug while crimping. © 52 | Danfoss | August 2024 BC479029446185en-000101...
  • Page 53 Use spring washer between the cable lug and the connection screw or nut. Example of the connection is shown in Figure below. Do not tighten the connection at this point to ensure fitting of the cable gland. © Danfoss | August 2024 BC479029446185en-000101 | 53...
  • Page 54 If you must connect the anti-condensation heater, you can leave the connection box open. See Chapter Anti-condensation heater connections on page 68. 15. Check the power cable shield grounding, see Chapter Grounding connections. © 54 | Danfoss | August 2024 BC479029446185en-000101...
  • Page 55: Low Voltage Connections

    For more information about the options, refer to Chapter Product naming convention on page 5. See more information and instructions about DEUTSCH connectors at https:// www.deutschconnector.com/. © Danfoss | August 2024 BC479029446185en-000101 | 55...
  • Page 56 Location of the low voltage connectors in the connection box Low voltage connector: - Winding temperature sensors and resolver connections - Bearing temperature measurement sensor connector Anti-condensation heater connector Bearing temperature measurement connector © 56 | Danfoss | August 2024 BC479029446185en-000101...
  • Page 57 Low voltage connection box (+LVB1 -option) LVB D-END (cover removed) Terminal block Grounding connection (M5) M16 cable gland LVB N-END (cover removed) Terminal block Grounding connections (M5) M25 cable gland M16 cable glands M12 cable gland © Danfoss | August 2024 BC479029446185en-000101 | 57...
  • Page 58 V2, spare sensor, slot 36/72, PT100 (N) +TEMP5 Temperature 12 phase W2, spare sensor, slot 76/72, PT100 (P) +TEMP5 phase W2, spare sensor, slot 76/72, PT100 (N) +TEMP5 Resolver COS Resolver, RES_COS_N, Inbuilt non-contacting © 58 | Danfoss | August 2024 BC479029446185en-000101...
  • Page 59 U4, main sensor, slot 37/72, PT100 (P) phase U4, main sensor, slot 37/72, PT100 (N) Temperature 11 phase V4, main sensor, slot 53/72, PT100 (P) phase V4, main sensor, slot 53/72, PT100 (N) © Danfoss | August 2024 BC479029446185en-000101 | 59...
  • Page 60 W3, spare sensor, slot 88/72, PT100 (P) +TEMP5 phase W3, spare sensor, slot 88/72, PT100 (N) +TEMP5 Temperature 22 phase U4, spare sensor, slot 44/72, PT100 (P) +TEMP5 phase U4, spare sensor, slot 44/72, PT100 (N) +TEMP5 © 60 | Danfoss | August 2024 BC479029446185en-000101...
  • Page 61 U2, main sensor, slot 13/72, PT100 (P) phase U2, main sensor, slot 13/72, PT100 (N) Temperature 5 phase V2, main sensor, slot 29/72, PT100 (P) phase V2, main sensor, slot 29/72, PT100 (N) © Danfoss | August 2024 BC479029446185en-000101 | 61...
  • Page 62 TEMP TEMP TEMP TEMP TEMP Bearing temperature, sensor 1 PT100 +BTMP Bearing temperature, sensor 1 PT100_GND +BTMP Bearing temperature, sensor 2 PT100 +BTMP Bearing temperature, sensor 2 PT100_GND +BTMP Reserve Reserve Reserve © 62 | Danfoss | August 2024 BC479029446185en-000101...
  • Page 63 V2, main sensor, slot 29/72, PT100 (P) phase V2, main sensor, slot 29/72, PT100 (N) Temperature 6 phase W2, main sensor, slot 69/72, PT100 (P) phase W2, main sensor, slot 69/72, PT100 (N) © Danfoss | August 2024 BC479029446185en-000101 | 63...
  • Page 64 W4, spare sensor, slot 4/72, PT100 (N) +TEMP5 Bearing temperature, sensor 1 PT100 +BTMP Bearing temperature, sensor 1 PT100_GND +BTMP Bearing temperature, sensor 2 PT100 +BTMP Bearing temperature, sensor 2 PT100_GND +BTMP Reserve Reserve Reserve Reserve © 64 | Danfoss | August 2024 BC479029446185en-000101...
  • Page 65: Grounding Connections

    The grounding points on the frame of the electric machine are for safety grounding, and signal cables and power cable shields have their own grounding points. © Danfoss | August 2024 BC479029446185en-000101 | 65...
  • Page 66 User Guide EM-PMI540B Installation The machine enclosure grounding point, safety grounding Side/Foot/V-mounting bores can be used for grounding if they are not in use. © 66 | Danfoss | August 2024 BC479029446185en-000101...
  • Page 67 User Guide EM-PMI540B Installation Low voltage cable grounding points Power cable grounding through the cable gland © Danfoss | August 2024 BC479029446185en-000101 | 67...
  • Page 68: Anti-Condensation Heater Connections

    The installed anti-condensation heater must be supplied with 230 Vac power. The heater connector used is HUMMEL Twilock connector, illustrated in Figure below. For the location of the heater connectors, see Connections and interfaces on page 20. Connection of the heater element © 68 | Danfoss | August 2024 BC479029446185en-000101...
  • Page 69 Connect the measurement device between the heater terminals. The resistance should be around 1 kΩ. Measuring no value, or zero value, indicates a possible failure in the heater element. If the electric machine has an anti-condensation heater and failure is suspected, contact Danfoss representative. ©...
  • Page 70: Operation

    Read the instructions in this user guide before you install the electric machine. Operation conditions The electric machine should be used for its intended purpose only and within limits specified by the manufacturer, concerning: © 70 | Danfoss | August 2024 BC479029446185en-000101...
  • Page 71: Condition Monitoring During Operation

    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.
  • Page 72: Recommended Coolants

    (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...
  • Page 73 User Guide EM-PMI540B Operation Contact Danfoss service at or send email to https://danfosseditron.zendesk.com/hc/en-gb editron.service@danfoss.com. © Danfoss | August 2024 BC479029446185en-000101 | 73...
  • Page 74: Regular Maintenance

    Read the instructions in the user guide before you start to work with the electric machine. To make sure that the operation of the electric machine is safe and reliable, obey the maintenance instructions. Regular maintenance Inspect the electric machine at regular intervals. © 74 | Danfoss | August 2024 BC479029446185en-000101...
  • Page 75: Cleaning

    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 76: Bearings And Lubrication

    Lubricants can cause skin irritation and eye inflammation. Follow all safety precautions specified by the manufacturer of the lubricant. Make sure that the automatic greasing and the oil lubrication function correctly after you start the electric machine. © 76 | Danfoss | August 2024 BC479029446185en-000101...
  • 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.
  • Page 78 User Guide EM-PMI540B Maintenance For electric machines EM-PMI540B-T3000 and EM-PMI540B-T4000: For more information about the location of grease nipples and grease escape holes, see Chapter Connections and interfaces on page 20. Bearing relubrication: © 78 | Danfoss | August 2024...
  • Page 79: Cooling System Maintenance

    It is recommended to change the direction of the coolant liquid flow yearly. This is done by changing the order of the coolant connections, or changing the coolant pump direction. The reason for changing the coolant flow direction is to prevent possible dregs (sediment) accumulating to the cooling system. © Danfoss | August 2024 BC479029446185en-000101 | 79...
  • Page 80: Dismounting

    3. If force is required, use the bores in D-end flange to push the electric machine out from the mating structure, or use some other method that does not damage the electric machine. 4. Lift the electric machine off. Support the electric machine when lifting. © 80 | Danfoss | August 2024 BC479029446185en-000101...
  • Page 81: Troubleshooting

    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.
  • Page 83: Aftersales

    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)
  • Page 85: Disposal

    User Guide EM-PMI540B Disposal Dispose of the electric machine and any of its parts by appropriate means in accordance with local laws and regulations. © Danfoss | August 2024 BC479029446185en-000101 | 85...
  • Page 86: Storage, Installation And Maintenance Checklists

    ☐ ☐ Electric machine enclosure grounding connected ☐ ☐ ☐ Low voltage cable shield grounding connected ☐ ☐ ☐ Power cable shield connection resistances to ground (electric machine enclosure) measured and valid © 86 | Danfoss | August 2024 BC479029446185en-000101...
  • Page 87 N.A = Procedure not applicable PASS = Procedure passed FAIL = Procedure failed Electric machine weekly maintenance checklist PASS FAIL General construction ☐ ☐ ☐ Noise or vibration during operation in general Cooling system © Danfoss | August 2024 BC479029446185en-000101 | 87...
  • Page 88 Continuous insulation monitoring. (It is recommended to use continuous insulation monitoring for the whole system where electric machine is used.) ☐ ☐ ☐ Encoder mounting Cooling system ☐ ☐ ☐ Functioning of the cooling system in general ☐ ☐ ☐ Tightness of the ventilation plug © 88 | Danfoss | August 2024 BC479029446185en-000101...
  • Page 89 Coolant flow direction changed and connection checked ☐ ☐ ☐ Coolant quality as specified Used coolant: ☐ ☐ ☐ Functioning of the cooling system in general ☐ ☐ ☐ Tightness of the tubing and connections (no leakages) © Danfoss | August 2024 BC479029446185en-000101 | 89...
  • Page 90 75. Used service parts Part description Part type Quantity Item (order) number Notes: • • • • • • • • • • • • Date: Signature: Electric machine storage checklist Date: © 90 | Danfoss | August 2024 BC479029446185en-000101...
  • Page 91 Electric machine supported correctly Corrosion protection of non-painted surfaces (for example shaft-end and grounding points) Insulation resistance (test insulation resistance every three months in storage) Shaft rotated as specified (10 rotations monthly) © Danfoss | August 2024 BC479029446185en-000101 | 91...
  • Page 92: Local Address

    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.