Danfoss VLT AQUA Drive FC 202 Operating Manual
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Danfoss VLT AQUA Drive FC 202 Operating Manual

110–400 kw
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ENGINEERING TOMORROW
Operating Guide
®
VLT
AQUA Drive FC 202
110–400 kW
vlt-drives.danfoss.com

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Summary of Contents for Danfoss VLT AQUA Drive FC 202

  • Page 1 ENGINEERING TOMORROW Operating Guide ® AQUA Drive FC 202 110–400 kW vlt-drives.danfoss.com...

  • Page 3: Table Of Contents

    4.8.4 Voltage/Current Input Selection (Switches) 4.8.5 Safe Torque Off (STO) 4.9 Installation Check List 5 Commissioning 5.1 Safety Instructions 5.2 Applying Power 5.3 Local Control Panel Operation 5.4 Basic Programming 5.4.1 Commissioning with SmartStart MG21A402 Danfoss A/S © 11/2016 All rights reserved.
  • Page 4 8.5 Cable Specifications 8.6 Control Input/Output and Control Data 8.7 Fuses 8.8 Connection Tightening Torques 8.9 Power Ratings, Weight, and Dimensions 9 Appendix 9.1 Symbols, Abbreviations, and Conventions 9.2 Parameter Menu Structure Index Danfoss A/S © 11/2016 All rights reserved. MG21A402...

  • Page 5: Introduction

    Foreseeable misuse Do not use the frequency converter in applications which are non-compliant with specified operating conditions and environments. Ensure compliance with the conditions specified in chapter 8 Specifications. MG21A402 Danfoss A/S © 11/2016 All rights reserved.
  • Page 6 16 TB5 (IP21/54 only). Terminal block for anti-condensation heater Illustration 1.1 D1 Interior Components (left); Close-up View: LCP and Control Functions (right) NOTICE For location of TB6 (terminal block for contactor), see chapter 4.6 Motor Connection. Danfoss A/S © 11/2016 All rights reserved. MG21A402...
  • Page 7 (to de-energize the frequency converter) and remove the cover of the options cabinet. For frequency converters purchased with a disconnect, contactor or circuit breaker, the nameplate label includes a MG21A402 Danfoss A/S © 11/2016 All rights reserved.

  • Page 8: Approvals And Certifications

    More approvals and certifications are available. Contact the • Reduce harmonics on the AC local Danfoss partner. Frequency converters of enclosure input. size T7 (525–690 V) are UL certified for only 525–600 V. • Stores the DC power.

  • Page 9: Disposal

    Introduction Operating Guide 1.6 Disposal Do not dispose of equipment containing electrical components together with domestic waste. Collect it separately in accordance with local and currently valid legislation. MG21A402 Danfoss A/S © 11/2016 All rights reserved.

  • Page 10: Safety

    • Only qualified personnel must perform instal- discharged. lation, start-up, and maintenance. Danfoss A/S © 11/2016 All rights reserved. MG21A402...
  • Page 11 An internal failure in the frequency converter can result in serious injury when the frequency converter is not properly closed. • Ensure that all safety covers are in place and securely fastened before applying power. MG21A402 Danfoss A/S © 11/2016 All rights reserved.

  • Page 12: Mechanical Installation

    NOTICE the panel when an IP20/chassis frequency converter is installed in a Rittal enclosure. Use of Do not remove the nameplate from the frequency converter (loss of warranty). Danfoss A/S © 11/2016 All rights reserved. MG21A402...
  • Page 13 Always lift the frequency converter using the dedicated Ensure the access, to open the door. lifting eyes. To avoid bending the lifting holes, use a lifting bar. Ensure the cable entry from below. Illustration 3.2 Recommended Lifting Method MG21A402 Danfoss A/S © 11/2016 All rights reserved.

  • Page 14: Electrical Installation

    There is a risk of burst transient when the ground potential between the frequency converter and the control system is different. Install equalizing cables between the system components. Recommended cable cross-section: 16 mm (5 AWG). Danfoss A/S © 11/2016 All rights reserved. MG21A402...
  • Page 15 FASTENER TORQUE M10 19Nm (14FT-LB), M12 35Nm (26FT-LB) W/T3 98 R/L1 91 S/L2 92 T/L3 93 U/T1 96 V/T2 97 Ground terminal (ground terminals are marked with symbol) Ground symbol Illustration 4.1 Ground Terminals (D1h shown) MG21A402 Danfoss A/S © 11/2016 All rights reserved.

  • Page 16: Wiring Schematic

    1) Terminal 37 (optional) is used for Safe Torque Off. For Safe Torque Off installation instructions, refer to the VLT Frequency Converters - Safe Torque Off Operating Guide. 2) Do not connect cable shield. Danfoss A/S © 11/2016 All rights reserved. MG21A402...

  • Page 17: Access

    4.5 Access All terminals to the control cables are located underneath the LCP inside the frequency converter. To access, open the door (IP21/54) or remove the front panel (IP20). MG21A402 Danfoss A/S © 11/2016 All rights reserved.
  • Page 18 AQUA Drive FC 202 Illustration 4.4 Motor Connection SECTION A-A SECTION B-B MAINS TERMINALS MOTOR TERMINALS MAINS TERMINAL MOTOR TERMINAL GROUND 88 3X M8x20 STUD WITH NUT Illustration 4.5 Terminal Locations, D1h Danfoss A/S © 11/2016 All rights reserved. MG21A402...
  • Page 19 4X M10x20 STUD WITH NUT Illustration 4.6 Terminal Locations, D2h SECTION A-A SECTION B-B MAINS TERMINALS MOTOR TERMINALS AND BRAKE BRAKE TERMINALS BRAKE TERMINAL 11.5 MAINS TERMINAL MOTOR TERMINAL Illustration 4.7 Terminal Locations, D3h MG21A402 Danfoss A/S © 11/2016 All rights reserved.
  • Page 20 Illustration 4.8 Load Share and Regeneration Terminals, D3h SECTION B-B SECTION A-A MOTOR TERMINALS AND MAINS TERMINALS BRAKE BRAKE TERMINALS TERMINALS BRAKE / REGEN TERMINAL MAINS TERMINAL 14.8 12.6 MOTOR TERMINAL Illustration 4.9 Terminal Locations, D4h Danfoss A/S © 11/2016 All rights reserved. MG21A402...
  • Page 21 Side view Illustration 4.10 Load Share and Regeneration Terminals, D4h 9 [ ] 0 [ ] Mains terminals Brake terminals Motor terminals Ground terminals Illustration 4.11 Terminal Locations, D5h with Disconnect Option MG21A402 Danfoss A/S © 11/2016 All rights reserved.
  • Page 22 ® Electrical Installation AQUA Drive FC 202 28.6 24.5 20.4 20.1 0 [ ] Mains terminals Brake terminals Motor terminals Ground terminals Illustration 4.12 Terminal Locations, D5h with Brake Option Danfoss A/S © 11/2016 All rights reserved. MG21A402...
  • Page 23 MAINS SIDE CABLE ENTRY 25.83 33.8 [1.3] 17.5 [8.8] [0.4] [0.6] [0.4] [0.7] 34.5 10.3 16.5 [1.4] [0.4] [1.2] 50.5 [0.7] 67.5 BOTTOM VIEW [2.7] [4.4] Illustration 4.13 Oversized Wiring Cabinet, D5h MG21A402 Danfoss A/S © 11/2016 All rights reserved.
  • Page 24 ® Electrical Installation AQUA Drive FC 202 18.0 Mains terminals TB6 terminal block for contactor Brake terminals Motor terminals Ground terminals Illustration 4.14 Terminal Locations, D6h with Contactor Option Danfoss A/S © 11/2016 All rights reserved. MG21A402...
  • Page 25 Electrical Installation Operating Guide Brake terminals TB6 terminal block for contactor Motor terminals Ground terminals Mains terminals Illustration 4.15 Terminal Locations, D6h with Contactor and Disconnect Options MG21A402 Danfoss A/S © 11/2016 All rights reserved.
  • Page 26 ® Electrical Installation AQUA Drive FC 202 18.4 Mains terminals Brake terminals Motor terminals Ground terminals Illustration 4.16 Terminal Locations, D6h with Circuit Breaker Option Danfoss A/S © 11/2016 All rights reserved. MG21A402...
  • Page 27 Electrical Installation Operating Guide 21.4 20.3 16.2 15.6 14.7 0 [ ] Mains terminals Motor terminals Ground terminals Brake terminals Illustration 4.17 Terminal Locations, D7h with Disconnect Option MG21A402 Danfoss A/S © 11/2016 All rights reserved.
  • Page 28 AQUA Drive FC 202 1260 49.6 1202 47.3 1082 42.6 1034 40.7 1009 39.7 0 [ ] Mains terminals Brake terminals Motor terminals Ground terminals Illustration 4.18 Terminal Locations, D7h with Brake Option Danfoss A/S © 11/2016 All rights reserved. MG21A402...
  • Page 29 CABLE ENTRY CABLE ENTRY [6.6] 33.8 25.3 [1.7] [1.3] 17.5 [0.6] [0.7] [0.6] [8.7] [0.4] 34.5 16.5 10.3 [1.4] [0.7] [0.4] [1.2] 67.5 50.5 117.1 [4.6] Illustration 4.19 Oversized Wiring Cabinet, D7h MG21A402 Danfoss A/S © 11/2016 All rights reserved.
  • Page 30 AQUA Drive FC 202 35.3 20.5 16.5 15.8 14.9 0 [ ] TB6 terminal block for contactor 4 Brake terminals Motor terminals 5 Mains terminals Ground terminals Illustration 4.20 Terminal Locations, D8h with Contactor Option Danfoss A/S © 11/2016 All rights reserved. MG21A402...
  • Page 31 Electrical Installation Operating Guide 22.3 TB6 terminal block for contactor 4 Motor terminals Mains terminals 5 Ground terminals Brake terminals Illustration 4.21 Terminal Locations, D8h with Contactor and Disconnect Options MG21A402 Danfoss A/S © 11/2016 All rights reserved.
  • Page 32 ® Electrical Installation AQUA Drive FC 202 23.8 Mains terminals 3 Motor terminals Brake terminals 4 Ground terminals Illustration 4.22 Terminal Locations, D8h with Circuit Breaker Option Danfoss A/S © 11/2016 All rights reserved. MG21A402...

  • Page 33: Ac Mains Connection

    14-50 RFI Filter is set to [0] Off. This setting prevents damage to the DC link and reduces ground capacity currents. Mains connection (R, S, T) Motor connection (U, V, W) Illustration 4.23 Connecting to AC Mains MG21A402 Danfoss A/S © 11/2016 All rights reserved.

  • Page 34: Control Wiring

    Connector 4 is a USB port available for use with the MCT 10 Set-up Software. Illustration 4.24 Control Terminal Locations 12 13 18 19 27 29 32 33 20 37 42 50 53 54 55 Illustration 4.25 Terminal Numbers Danfoss A/S © 11/2016 All rights reserved. MG21A402...
  • Page 35 Settings Table 4.1 Terminal Description Digital Inputs/Outputs 69 (-) Parameter RS485 interface. A group 8-3* control card switch is FC Port provided for Settings termination resistance. Table 4.3 Terminal Description Serial Communication MG21A402 Danfoss A/S © 11/2016 All rights reserved.

  • Page 36: Wiring To Control Terminals

    U selects voltage, I selects current. into the contact. Ensure that the contact is firmly established and not loose. Loose control wiring can be the source of equipment faults or reduced performance. Danfoss A/S © 11/2016 All rights reserved. MG21A402...

  • Page 37: Safe Torque Off (Sto)

    Communication RS485 is a 2-wire bus interface compatible with multi-drop network topology, and it contains the following features: • Either Danfoss FC or Modbus RTU communication protocol, which are internal to the frequency converter, can be used. • Functions can be programmed remotely using...

  • Page 38: Installation Check List

    POTENTIAL HAZARD IN THE EVENT OF INTERNAL FAILURE Risk of personal injury if the frequency converter is not properly closed. • Before applying power, ensure that all safety covers are in place and securely fastened. Danfoss A/S © 11/2016 All rights reserved. MG21A402...

  • Page 39: Commissioning

    Confirm that the input voltage is balanced within 3%. If not, correct the input voltage imbalance before proceeding. Repeat this procedure after the voltage correction. Ensure that any optional equipment wiring matches the installation application. MG21A402 Danfoss A/S © 11/2016 All rights reserved.
  • Page 40 Table 5.4 Legend to Illustration 5.1, Indicator Lights (LEDs) 0-23 Frequency 0-24 Reference [%] D. Operation keys and reset Operation keys are at the bottom of the LCP. Table 5.1 Legend to Illustration 5.1, Display Area Danfoss A/S © 11/2016 All rights reserved. MG21A402...
  • Page 41 Press [OK]. A progress bar shows the uploading or • Manual initialization erases all motor, downloading progress. programming, localization, and monitoring data Press [Hand On] or [Auto On] to return to normal and restores factory default settings. operation. MG21A402 Danfoss A/S © 11/2016 All rights reserved.

  • Page 42: Basic Programming

    [OK]. (This selection changes the default Motor data is required for the SmartStart set-up. The settings for several basic parameters). required data is normally available on the motor Press [Main Menu] on the LCP. nameplate. Danfoss A/S © 11/2016 All rights reserved. MG21A402...

  • Page 43: Checking Motor Rotation

    5.7 System Start-up The procedure in this section requires user-wiring and application programming to be completed. The following procedure is recommended after application set-up is completed. Press [Auto On]. Apply an external run command. MG21A402 Danfoss A/S © 11/2016 All rights reserved.
  • Page 44 Remove the external run command. Check the sound and vibration levels of the motor to ensure that the system is working as intended. If warnings or alarms occur, see chapter 7.6 List of Warnings and Alarms. Danfoss A/S © 11/2016 All rights reserved. MG21A402...

  • Page 45: Application Set-Up Examples

    * = Default value A IN Notes/comments: D IN 37 is an option. A OUT -10 - +10V Table 6.1 AMA with T27 Connected U - I Table 6.3 Analog Speed Reference (Voltage) MG21A402 Danfoss A/S © 11/2016 All rights reserved.
  • Page 46 Ref./Feedb. Value A IN ≈ 5kΩ * = Default value A IN Notes/comments: D IN 37 is an option. A OUT U - I Table 6.5 Speed Reference (Using a Manual Potentiometer) Danfoss A/S © 11/2016 All rights reserved. MG21A402...
  • Page 47 D IN 37 is an option. Table 6.7 Start/Stop Command with STO Table 6.8 Pulse Start/Stop Speed Speed Start/Stop (18) Illustration 6.2 Start/Stop Command with STO Latched Start (18) Stop Inverse (27) Illustration 6.3 Latched Start/Stop Inverse MG21A402 Danfoss A/S © 11/2016 All rights reserved.
  • Page 48 Preset ref. 2 Preset ref. 3 100% * = Default value Notes/comments: D IN 37 is an option. Table 6.10 External Alarm Reset Table 6.9 Start/Stop with Reversing and 4 Preset Speeds Danfoss A/S © 11/2016 All rights reserved. MG21A402...
  • Page 49 Thermal Protection to [1] +10 V Thermistor warning. A IN D IN 37 is an option. A IN RS-485 A OUT U - I Table 6.11 RS485 Network Connection Table 6.12 Motor Thermistor MG21A402 Danfoss A/S © 11/2016 All rights reserved.

  • Page 50: Maintenance, Diagnostics, And Troubleshooting

    There are 5 or 9 screws depending on the size of the frequency converter. Reinstall in reverse order of this procedure and tighten fasteners according to chapter 8.8 Connection Tightening Torques. Danfoss A/S © 11/2016 All rights reserved. MG21A402...

  • Page 51: Status Messages

    Parameter 2-16 AC brake Max. Current was Feedback Low. selected in parameter 2-10 Brake Function. The AC brake overmagnetizes the motor to achieve a controlled slow-down. AMA finish OK Automatic motor adaptation (AMA) was carried out successfully. MG21A402 Danfoss A/S © 11/2016 All rights reserved.
  • Page 52 (parameter group 5-1* Digital Inputs). The the external 24 V. motor starts in forward or reverse direction depending on which corresponding terminal is activated. Danfoss A/S © 11/2016 All rights reserved. MG21A402...

  • Page 53: Warning And Alarm Types

    The control card voltage is less than 10 V from terminal 50. Remove some of the load from terminal 50, as the 10 V supply is overloaded. Maximum 15 mA or minimum 590 Ω. MG21A402 Danfoss A/S © 11/2016 All rights reserved.
  • Page 54 Check if the motor is mechanically overloaded. converter trips after a certain time. • Check that the motor current set in Troubleshooting parameter 1-24 Motor Current is correct. • Connect a brake resistor. • Extend the ramp time. Danfoss A/S © 11/2016 All rights reserved. MG21A402...
  • Page 55 If the acceleration during ramp- Remove the power to the frequency converter up is quick, the fault can also appear after kinetic back-up. and repair the short circuit. MG21A402 Danfoss A/S © 11/2016 All rights reserved.
  • Page 56 For frequency converters with AC fans, the remove the brake resistor. voltage to the fan is monitored. WARNING/ALARM 28, Brake check failed The brake resistor is not connected or not working. Troubleshooting • Check parameter 2-15 Brake Check. Danfoss A/S © 11/2016 All rights reserved. MG21A402...
  • Page 57 Check for loose or missing wiring. Failure to use qualified personnel to install, start up, and It may be necessary to contact the Danfoss supplier or maintain the frequency converter can result in death or service department. Note the code number for further serious injury.
  • Page 58 24 V DC Supply MCB 107, only control board hardware. the 24 V and 5 V supplies are monitored. When powered 5376–6231 Internal fault. Contact the Danfoss supplier or with 3-phase mains voltage, all 3 supplies are monitored. Danfoss service department. Troubleshooting •...
  • Page 59 4-32 Motor Feedback Loss Timeout. ALARM 50, AMA calibration failed WARNING 62, Output frequency at maximum limit Contact the Danfoss supplier or Danfoss service The output frequency has reached the value set in department. parameter 4-19 Max Output Frequency. Check the application for possible causes.
  • Page 60 The control card and power card are incompatible. To Disable the function or select an alarm/warning check compatibility, contact the Danfoss supplier with the in parameter 4-34 Tracking Error Function. type code from the unit nameplate and the part numbers •...

  • Page 61: Troubleshooting

    Wrong contrast setting. – contrast. Replace the faulty LCP or connection Display (LCP) is defective. Test using a different LCP. cable. Internal voltage supply fault or – Contact supplier. SMPS is defective. MG21A402 Danfoss A/S © 11/2016 All rights reserved.
  • Page 62 Possible incorrect settings in Check parameter groups 2-0* DC Brake and Motor does Check brake parameters. Check ramp time the brake parameters. Ramp- 3-0* Reference Limits. not brake settings. down times may be too short. Danfoss A/S © 11/2016 All rights reserved. MG21A402...
  • Page 63 3-42 Ramp 1 Ramp Down Time. chapter 7.6 List of Warnings and Alarms. deceleration incorrectly. Enable overvoltage control in Check that motor data is entered correctly. problems parameter 2-17 Over-voltage Control. Table 7.5 Troubleshooting MG21A402 Danfoss A/S © 11/2016 All rights reserved.

  • Page 64: Specifications

    LCP and typical control card power consumptions are included. For power loss data according to EN 50598-2, refer to www.danfoss.com/vltenergyefficiency. Further options and customer load can add up to 30 W to the losses (though typically only 4 W extra for a fully loaded control card or options for slot A or slot B, each).

  • Page 65: Mains Supply 3X525-690 V Ac

    110 (230) Power card ambient trip [°C °F)] 75 (167) *High overload=150% current for 60 s, Normal overload=110% current for 60 s. Table 8.2 Technical Specifications, D1h/D3h, Mains Supply 3x525–690 V AC MG21A402 Danfoss A/S © 11/2016 All rights reserved.
  • Page 66 LCP and typical control card power consumptions are included. For power loss data according to EN 50598-2, refer to www.danfoss.com/vltenergyefficiency. Further options and customer load can add up to 30 W to the losses (though typically only 4 W extra for a fully loaded control card or options for slot A or slot B, each).

  • Page 67: Mains Supply

    Starting torque (constant torque) Maximum 160% for 60 s Starting torque Maximum 180% up to 0.5 s Overload torque (constant torque) Maximum 160% for 60 s 1) Percentage relates to the frequency converter's nominal torque. MG21A402 Danfoss A/S © 11/2016 All rights reserved.

  • Page 68: Ambient Conditions

    Maximum cross-section to control terminals, cable with enclosed core 0.5 mm /20 AWG Minimum cross-section to control terminals 0.25 mm /23 AWG 1) For power cables, see electrical tables in chapter 8.1 Electrical Data. Danfoss A/S © 11/2016 All rights reserved. MG21A402...

  • Page 69: Control Input/Output And Control Data

    See Digital Inputs in chapter 8.6 Control Input/Output and Control Data Maximum voltage on input 28 V DC Input resistance, R Approximately 4 kΩ Pulse input accuracy (0.1–1 kHz) Maximum error: 0.1% of full scale MG21A402 Danfoss A/S © 11/2016 All rights reserved.
  • Page 70 24 V DC, 0.1 A Maximum terminal load (AC-1) on 4–6 (NC) (Resistive load) 240 V AC, 2 A on 4–6 (NC) (Inductive load @ cosφ 0.4) Maximum terminal load (AC-15) 240 V AC, 0.2 A Danfoss A/S © 11/2016 All rights reserved. MG21A402...
  • Page 71 The USB connection is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals. The USB connection is not galvanically isolated from ground. Use only isolated laptop/PC as connection to the USB connector on the frequency converter or an isolated USB cable/converter. MG21A402 Danfoss A/S © 11/2016 All rights reserved.

  • Page 72: Fuses

    For UL Compliance, use the Bussmann 170M series fuses for units supplied without a contactor-only option. See Table 8.9 for SCCR ratings and UL fuse criteria if a contactor-only option is supplied with the frequency converter. Danfoss A/S © 11/2016 All rights reserved. MG21A402...

  • Page 73: Connection Tightening Torques

    Regen terminals Ground terminals 8.5–20.5 (75–181) Brake terminals Door/panel cover 2.3 (20) Gland plate 2.3 (20) Heat sink access panel 3.9 (35) Serial communication cover 2.3 (20) Table 8.10 Fastener Torque Ratings MG21A402 Danfoss A/S © 11/2016 All rights reserved.

  • Page 74: Power Ratings, Weight, And Dimensions

    [mm (inch)] Depth 381 (15) 381 (15) 386 (15) 406 (16) Maximum weight [kg (lb)] 449 (990) 449 (990) 530 (1168) 530 (1168) Table 8.12 Power Ratings, Weight, and Dimensions, Enclosure Size D5h-D8h Danfoss A/S © 11/2016 All rights reserved. MG21A402...

  • Page 75: Appendix

    Numbered lists indicate procedures. Bullet lists indicate other information. Italicized text indicates: • Cross-reference. • Link. • Parameter name. • Parameter group name. • Parameter option. • Footnote. All dimensions in drawings are in [mm] (in). 9.2 Parameter Menu Structure MG21A402 Danfoss A/S © 11/2016 All rights reserved.
  • Page 76 ® Appendix AQUA Drive FC 202 Danfoss A/S © 11/2016 All rights reserved. MG21A402...
  • Page 77 Appendix Operating Guide MG21A402 Danfoss A/S © 11/2016 All rights reserved.
  • Page 78 ® Appendix AQUA Drive FC 202 Danfoss A/S © 11/2016 All rights reserved. MG21A402...
  • Page 79 Appendix Operating Guide MG21A402 Danfoss A/S © 11/2016 All rights reserved.
  • Page 80 ® Appendix AQUA Drive FC 202 Danfoss A/S © 11/2016 All rights reserved. MG21A402...

  • Page 81: Index

    External controller.................. 3 Circuit breaker................36, 70 Clearance requirement............... 10 Closed loop..................... 34 Fasteners....................71 Communication option..............55 Fault log....................38 Conduct....................36 FC........................ 35 Feedback................34, 36, 49, 56 Floating delta..................31 MG21A402 Danfoss A/S © 11/2016 All rights reserved.
  • Page 82 Isolated mains..................31 Navigation key................. 38, 40, 49 Normal overload..............62, 63, 64 Jumper...................... 34 Open loop..................34, 69 Leakage current................9, 12 Operation key..................38 Lifting......................11 Optional equipment..............34, 37 Danfoss A/S © 11/2016 All rights reserved. MG21A402...
  • Page 83 Thermistor control wiring..............32 Run permissive..................50 Torque Limit...................... 53 characteristic..................65 limit....................... 61 Safe Torque Off..................35 ratings....................71 Safety......................9 Transient protection................6 Serial communication..........32, 38, 49, 50, 51 Trip......................47 MG21A402 Danfoss A/S © 11/2016 All rights reserved.
  • Page 84 Trip lock....................51 Trips......................51 Troubleshooting................... 61 Unintended start................8, 48 Voltage imbalance................52 Warnings....................51 Weight....................63, 72 Windmilling....................9 Wire size.................... 12, 15 Wiring Control................... 15, 34, 36 Motor..................... 15, 36 Danfoss A/S © 11/2016 All rights reserved. MG21A402...
  • Page 85 Index Operating Guide MG21A402 Danfoss A/S © 11/2016 All rights reserved.
  • Page 86 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 subsequential changes being necessary in specifications already agreed. All trademarks in this material are property of the respective companies.

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