AuCom MVSxxxx-V03 User Manual

Mvs series medium voltage soft starter
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Summary of Contents for AuCom MVSxxxx-V03

  • Page 2: Table Of Contents

    CONTENTS Contents About This Manual ..................3 User Manual Version ......................3 Caution Statements..................4 General Description..................6 Overview............................6 Feature List..........................6 Key Features ..........................7 Model Code ..........................8 Specifications....................9 Key Components........................9 Dimensions and Weights....................10 General Technical Data .....................11 Panel Specifications.......................13 Receiving and Storage................
  • Page 3 CONTENTS 10.6 Low Voltage Test Mode....................60 1 1 1 Monitoring...................... 62 11.1 Logs Menu ..........................62 Operation....................... 64 12.1 Start, Stop and Reset Commands ................64 12.2 Using the Soft Starter to Control a Motor.............64 12.3 Using the MVS to Control a Slip-Ring Motor............65 12.4 Operating States ........................68 12.5...
  • Page 4: About This Manual

    © 2015 AuCom Electronics L L td. All Rights Reserved. As AuCom is continuously improving its products it reserves the right to modify or change the specification of its products at any time without notice. The text, diagrams, images and any other literary or artistic works appearing in this document are protected by copyright.
  • Page 5: Caution Statements

    Introduction of foreign matter, including swarf, vermin, tools or maintenance equipment left in the starter AuCom medium voltage equipment has been designed to mitigate an arc fault, however it is the responsibility of the site engineer to ensure that personnel are protected from serious injury that may result from an arc fault.
  • Page 6 CAUTION STATEMENTS S S TORAGE The MVS must be stored in its original packaging in a clean and dry environment. The MVS should be unpacked only after the equipment room is ready for installation. Particular care should be taken to avoid exposure of the electronics to cement and/or concrete dust.
  • Page 7: General Description

    GENERAL DESCRIPTION General Description Overview The MVS provides compact and robust soft start solutions for control of medium voltage motors. MVS soft starters provide a complete range of motor and system protection features and have been designed for reliable performance in the most demanding installation situations. The two primary components of a MVS soft starter are: ...
  • Page 8: Key Features

    GENERAL DESCRIPTION Key Features MVS soft starters offer several special functions to ensure ease of use and to provide optimal motor control in all environments and applications.  Customisable Protection The MVS offers comprehensive protection to ensure safe operation of the motor and soft starter. The protection characteristics can be customised extensively to match the exact requirements of the installation.
  • Page 9: Model Code

    GENERAL DESCRIPTION Model Code MVS- – – C C ontrol V V oltage C12 = 110~130 Vac & 220~240 Vac S S upply Voltage V02 = 2300 Vac 50/60 Hz V03 = 3300 Vac 50/60 Hz V04 = 4160 Vac 50/60 Hz V06 = 6600 Vac 50/60 Hz V07 = 7200...
  • Page 10: Specifications

    SPECIFICATIONS Specifications Key Components Key Components (models V02 ~ V07) Control transformer Control voltage terminal block Power interface board Phase arm (x3) Power assembly Key Components (model V13) Phase arm Control voltage terminal block Power interface board Phase arm Controller Phase arm 710-13937-00C MVS Panel User Manual...
  • Page 11: Dimensions And Weights

    Phase arm extended Weight Weight (phase (power arm) assembly) (inch) (inch) (inch) (inch) (inch) (inch) (inch) (inch) (lb) (lb) MVSxxxx-V02 1302 MVSxxxx-V03 (30.4) (26.3) (26.3) (29.5) (25.9) (25.6) (51.3) (20.9) (63.9) (363.8) MVSxxxx-V04 MVSxxxx-V06 1559 (32.8) (34.5) (32.2) (31.9) (34.0) (31.5)
  • Page 12: General Technical Data

    SPECIFICATIONS Controller The controller is suitable for use with all MVS soft starters. Control input LEDs Keypad ST ART ST OP RESET Ready Tr ip Local INPUTA L CL S ta r t St o p R e se t RM T INPUTB M e nu...
  • Page 13 SPECIFICATIONS O O utputs Outputs on power interface board Main contactor (13, 14) ................................Normally Open Bypass contactor (23, 24) ................................. Normally Open Run Output/ PFC (33, 34) ............................... Normally Open Fan control output (43, 44) ..............................Normally Open Outputs on Controller Output Relay A (43, 44) ................................
  • Page 14: Panel Specifications

    Cables (top or bottom entry) or horizontal busbar system. Cables and busbars are not supplied with the standard product, but AuCom can supply a horizontal busbar system on request. Contactor (a circuit breaker may be fitted instead, on request). Installations with a circuit breaker do not require R-rated protection fuses.
  • Page 15 SPECIFICATIONS Standard Panels AuCom standard panels are designed to be installed individually or connected to an AuCom soft starter panel (SSP) in a panel line-up. Standard panels may be equipped with customisable switchgear options and are available as follows: ...
  • Page 16 Cables (top or bottom entry) or horizontal busbar system. Cables and busbars are not supplied with the standard product, but AuCom can supply a horizontal busbar system on request. Not required when incoming supply is fed from the soft starter panel (SSP).
  • Page 17: Receiving And Storage

    RECEIVING AND STORAGE Receiving and Storage All AuCom panels are individually packed and securely braced for shipment. Depending on the size and weight, it may be necessary to ship the equipment in several sections to facilitate handling. Panels may include relatively delicate equipment. Handle all sections with care when unloading. Some electrical components may be shipped separately and then installed on-site.
  • Page 18: Installation

    While installing AuCom switchgear panels, ensure that minimum clearance requirements are met. 2800 2322 1200 Plan view Side view NOTE Standard panels may be mounted closer to the wall from the rear if required. Consult AuCom if closer wall mounting is required. 710-13937-00C MVS Panel User Manual...
  • Page 19: Foundation Requirements

    INSTALLATION Foundation Requirements NOTE The maximum tolerance for switchroom floor is ± 2 mm per metre (with a maximum of ± 5 mm over the entire panel line-up). Failure to comply with these recommendations may impair the electro-mechanical functionality of some components and the structural integrity of the entire panel system.
  • Page 20: Fastening Panels To The Foundation

    It is recommended that all four bolt holes are used to securely bolt the panel to the floor using 10mm (0.39in) bolts. Removable non-ferrous gland plate Plan view Width Depth mm (inch) mm (inch) MVSxxxx-V02 MVSxxxx-V03 800 (31.5) 1200 (47.2) MVSxxxx-V04 MVSxxxx-V06 MVSxxxx-V07 1000 (39.3) 1200 (47.2)
  • Page 21: Earth Termination

    INSTALLATION Standard Panels It is recommended that all four bolt holes are used to securely bolt the panel to the floor using 10mm (0.39in) bolts. Removable non-ferrous gland plate Plan view Width Depth mm (inch) mm (inch) Transition Panel (TRP) 600 (23.6) 1200 (47.2) Power Factor Panel (PFP)
  • Page 22: Assembling The Switchgear Line-Up

    Ensure that adequate precautions have been taken to protect personnel before moving the panel.  Only use AuCom recommended bolts and metal connectors. Never replace or modify a manufactured lifting component. NOTE Spreader bar, lifting rods, and other materials are not supplied as part of the switchgear arrangement.
  • Page 23 INSTALLATION Aligning the panels Switchgear sections may be shipped individually to facilitate loading and transportation. At the installation site, the shipping sections must be securely bolted together to form the switchgear line-up. Align the shipping sections side by side on the foundation as follows: ...
  • Page 24: Mounting Instructions - Power Assembly

    INSTALLATION To connect the earth bus between panels in a line-up: Slip the fish plate through the aperture in the panel. Align the bolt holes of the fish plate with those in the bus joint of each panel and fasten together securely. NOTE The MVS soft starter should only be installed in a restricted access location suitable for electrical equipment.
  • Page 25 INSTALLATION Mounting Points The power assembly is mounted in place using four M12 bolts. One bolt is required through each corner at the base of the unit, tightened to a torque of 40 Nm. Individual phase arms are secured within the frame using one M10 nut and two M10 high tensile grade 8.8 bolts complete with Belleville washers, all tightened to a torque of 28 ~ 30 Nm.
  • Page 26: Mounting Instructions - Controller

    INSTALLATION Mounting Instructions - Controller The controller is secured into place using ten M4 nuts, affixed to the studs on the back of the controller. 112 (4.41) 300 (11.81) 310 (12.20) 340 (13.39) To mount the controller, make a 186 mm x 300 mm cutout at the desired mounting location. Ensure adequate clearance (>85 mm) is available behind the mounting location.
  • Page 27: Power Terminations

    INSTALLATION Power Terminations Models V02 ~ V07 T2B, T2, L2 (0.98) (0.24) T3B, T3, L3 (0.51) Use only M10 high tensile grade 8.8 threaded fasteners for all terminations. Use a pre-load torque setting between 28 ~ 30 Nm. Use only Belleville washers. Side view Top view 03217.D...
  • Page 28 INSTALLATION Model V13 Busbar termination detail Use only M10 high tensile grade 8.8 threaded fasteners for all terminations. Use a pre-load torque setting between 28 ~ 30 Nm. Use only Belleville washers. mm (inch) mm (inch) mm (inch) mm (inch) mm (inch) mm (inch) mm (inch)
  • Page 29: Earth Terminations

    INSTALLATION Earth Terminations A 10 mm earth stud is located on each side of the power assembly, at the rear of the unit. Use only M10 high tensile grade 8.8 threaded fasteners for all terminations. Use a pre-load torque setting between 28 ~ 30 Nm. Use only Belleville washers.
  • Page 30: Wiring Terminations On The Power Interface Board

    INSTALLATION NOTE Reset input is normally closed by default. Terminal Block (controller) Terminations on the controller use plug-in terminals. Unplug the terminal blocks, complete the wiring, then re-plug the terminal blocks into the controller. Control Analog Supply Output Relay Outputs Control Inputs Fibre Optic Connection To Power Assembly...
  • Page 31: Ground Current

    INSTALLATION Model V13 Power Control terminals (refer to Circuit Configuration (model V13) on page 33 for details) LV terminal block X1 and X10 Gate firing fibre optic connectors and firing LEDs (red) Voltage sensing input connector V0 V1 V2 V3 Ground fault CT connector Line CT connectors V IN...
  • Page 32: Power Circuits

    INSTALLATION 6.14 Power Circuits Overview MVS soft starters are designed to operate as part of a system including other components. A main contactor and bypass contactor are required in all installations. MVS models V02 ~ V07 must be installed with fuses. MVS model V13 must be installed with either contactor and fuses or a circuit breaker.
  • Page 33 INSTALLATION Power Circuit Configuration (models V02 ~ V07) MVS power circuit with main contactor, bypass contactor, main isolator/ earth switch, R Rated fuses and control supply. Configured for four-wire start/ stop control. Models V02 to V07 must be installed with backup/R-rated fuses (refer to R-Rated Protection Fuses) 110-130VAC 220-240VAC...
  • Page 34 INSTALLATION Power Circuit Configuration (model V13) MVS power circuit with main contactor/circuit breaker and bypass contactor/circuit breaker. Configured for four-wire start/ stop control with optional MV/LV potential transformer. K2/Q2 K1/Q1 130VAC K2/Q2 K1/Q1 K2/Q2 (Wh) (Bk) (Bk) (Wh) Power assembly A A 4 Controller 3 Phase 50/60 Hz Supply...
  • Page 35 INSTALLATION Emergency Stop Button In the event of an emergency, press the emergency stop button located on the front of the panel. Emergency stop pushbutton Main Isolator/ Earth Switch (models V02 ~ V07) Power Circuit A main isolator/ earth switch can be connected on the supply side of the main contactor (refer to Configuration (models V02 ~ V07) on page 32) CAUTION...
  • Page 36 INSTALLATION F F use type code formats: System Voltage System Voltage System Voltage 2.3 kV 3.3 ~ 4.2 kV 6 ~ 7.2 kV Ferraz A240Rrr A480Rrr-1 A072xxDxRO-rr Bussmann JCK-x-rr JCL-x-rr JCR-x-rr Siba – 400RC315* 400RC315* * two fuses in parallel rr = R rating of the fuse x = physical format of the fuse (select according to installation requirements) Examples:...
  • Page 37: Internal Wiring -X10

    INTERNAL WIRING –X10 Internal Wiring –X10 (110-130 VAC) PT1-Bk (110-240 VAC) (220-240 VAC) PT1-Bn A2-1 PT1-W1 A2-1 A2-2 PT1-W2 A2-2 A2-3 PT1-W3 A2-3 A3-13 A3-23 A3-33 A3-14 A3-24 A3-34 A3-43 A3-44 A3-C73 A3-C74 (24 VAC) PT1-Or5/2 PT1-Or5/1 (0 VAC) PT1-Or4/1 A3-A1 16539.
  • Page 38: Keypad And Feedback

    KEYPAD AND FEEDBACK Keypad and Feedback The Controller Four-line display for status and programming details. Soft starter local control buttons Status LEDs Menu navigation buttons: Scroll to the next or previous menu or parameter, or change the setting of the Menu navigation buttons: current parameter.
  • Page 39: Configuration

    CONFIGURATION Configuration Programming Menu The Programming Menu lets you view and change programmable parameters that control how the MVS operates. You can access the Programming Menu at any time, including while the soft starter is running. Any changes to the start profile take effect immediately.
  • Page 40: Standard Menu

    CONFIGURATION Standard Menu The standard menu provides access to commonly used parameters, allowing the user to configure the MVS as required for the application. For details of individual parameters, refer to Parameter Descriptions on page 43. M M otor Data- - 1 1 Motor Full Load Current S S tart/Stop Modes- - 1 1 Start Mode...
  • Page 41: Extended Menu

    CONFIGURATION Extended Menu The extended menu gives access to all of the MVS's programmable parameters. M M otor Data- - 1 1 Motor Full Load Current Locked Rotor Time Locked Rotor Current Motor Service Factor S S tart/Stop Modes- - 1 1 Start Mode Start Ramp Time Initial Current...
  • Page 42 CONFIGURATION Input B Trip Delay Input B Initial Delay Reserved Reserved Remote Reset Logic Reserved Reserved Reserved Local/Remote Comms in Remote O O utputs Relay A Function Relay A On Delay Relay A Off Delay Relay B Function Relay B On Delay Relay B Off Delay Relay C Function Relay C On Delay...
  • Page 43 CONFIGURATION Current Limit-2 Reserved Kickstart Time-2 Kickstart Level-2 Stop Mode-2 Stop Time-2 R R eserved 1 1 1 R R TD/PT100 ( Reserved 1 1 2 S S lip- - R R ing Motors Motor Data-1 Ramp Motor Data-2 Ramp Changeover Time Slip Ring Retard 1 1 5...
  • Page 44: Load/Save Settings

    CONFIGURATION Load/Save Settings The Load/Save Settings menu requires an access code and allows users to:  Load the MVS's parameters with default values  Reload previously saved parameter settings from an internal file  Save the current parameter settings to an internal file In addition to the factory default values file, the MVS can store two user-defined parameter files.
  • Page 45 CONFIGURATION 2 2 C – Initial Current Range: 100% - 600% FLC D D efault: 400% Description: Sets the initial start current level for current ramp starting, as a percentage of motor full load current. Set so that the motor begins to accelerate immediately after a start is initiated.
  • Page 46 CONFIGURATION 4 Protection Settings These parameters determine when the soft starter's protection mechanisms will activate. The activation point for each protection mechanism can be set to suit the installation. The soft starter responds to protection events by tripping, warning, or writing the event to the event log. The response is determined by the Protection Action settings.
  • Page 47 CONFIGURATION 4 4 H – Current Imbalance Range: 10% - 50% D D efault: Description: Sets the trip point for current imbalance protection. 4I – Current Imbalance Delay Range: 0:00 - 4:00 (minutes:seconds) D D efault: 5 seconds Description: Slows the MVS's response to current imbalance, avoiding trips due to momentary fluctuations.
  • Page 48 CONFIGURATION 4 4 Q Undervoltage Level Range: 100 – 18000 V D D efault: 100 V Description: Sets the trip point for undervoltage protection. Set as required. 4R Undervoltage Trip Delay Range: 0:00 – 4:00 (minutes:seconds) D D efault: 5 seconds Description: Slows the MVS's response to undervoltage, avoiding trips due to momentary fluctuations.
  • Page 49 CONFIGURATION Example: Circuit Breaker Instantaneous Overcurrent Delay - Stage 1 (4F) Motor start time Instantaneous Overcurrent Delay - Stage 2 (4V) Motor start time Instantaneous Overcurrent -Stage 1 (4E) Instantaneous Overcurrent -Stage 2 (4U) to trip main breaker Thermal model curve Current Shaded area indicates motor operation 5 Auto-Reset Trips (Reserved)
  • Page 50 CONFIGURATION Starter Disable The MVS can be disabled via the control inputs. An open circuit across C53, C54 will disable the starter. The MVS will not respond to start commands. If running, the soft starter will allow the motor to coast to stop, ignoring the soft stop mode set in parameter 2H.
  • Page 51 CONFIGURATION 6 6 Q – Local/Remote Options: LCL/RMT Anytime (default) L L CL/RMT selection is always enabled. LCL/RMT When Off L L CL/RMT selection is enabled when the starter is off. Local Control Only The L L CL/RMT button and all remote inputs are disabled. Remote Control Only Local control buttons (S S TART, R R ESET, L L CL/RMT) are disabled.
  • Page 52 CONFIGURATION Changeover Contactor The relay closes when the high rotor resistance current ramp has reached full voltage, allowing use with a slip-ring motor. Undervoltage The relay closes when the mains voltage drops below the level set in parameter 4Q. Ready The relay closes when the starter transitions into Ready mode.
  • Page 53 CONFIGURATION 7 7 P, 7Q, 7R, 7S – Analog Output A The MVS has an analog output, which can be connected to associated equipment to monitor motor performance. Analog Output A Parameter 7P Options: Current (% FLC) (default) Current as a percentage of motor full load current. Motor Temp (%) Motor temperature as a percentage of the motor rated current (calculated by the soft starter's thermal model).
  • Page 54 CONFIGURATION 8 8 E, 8F, 8G, 8H – User-Programmable Screen Options: Blank Displays no data in the selected area, allowing long messages to be shown without overlapping. Starter State The starter's operating state (starting, running, stopping or tripped). Only available for top left and bottom left positions on the screen.
  • Page 55 CONFIGURATION 8 8 M – Mains Reference Voltage Range: 100 – 14000 V D D efault: 400 V Description: Provides the reference voltage for the analog output and performance graphs. 9 Motor Data-2 The MVS can support two different starting and stopping motor data sets. To select the secondary motor data set, a programmable input must be configured to parameter set selection (parameters 6A and 6F) and the input must be active when the soft starter receives a start signal.
  • Page 56 CONFIGURATION Parameter 10G Kickstart Level-2 R R ange: 100% - 700% FLC D D efault: 500% Description: Sets the level of the kickstart current. Parameter 10H Stop Mode-2 Options: Coast To Stop (default) TVR Soft Stop Description: Selects the stop mode. Stop Time-2 Parameter 10I Range:...
  • Page 57 CONFIGURATION 1 1 5B – Adjustment Lock Options: Read & Write (default) Allows users to alter parameter values in the Programming Menu. Read Only Prevents users altering parameter values in the Programming Menu. Parameter values can still be viewed. Description: Selects whether the controller will allow parameters to be changed via the Programming Menu.
  • Page 58: 10 Commissioning

    COMMISSIONING 10 Commissioning 10.1 Commissioning Menu (Tools) The Commissioning Menu provides access to commissioning and testing tools. Press A A LT then T T OOLS to open the Tools. The Commissioning Menu is protected by the access code. The default access code is 0000. To navigate through the Commissioning Menu: ...
  • Page 59 COMMISSIONING Run Simulation To use the run simulation: Run Simulation Open the Commissioning Menu. Ready Scroll to Run Simulation and press Apply Start Signal Press S S TART or activate the start input. The MVS simulates its pre-start Run Simulation checks and closes the main contactor relay.
  • Page 60: Input/Ouput Status

    COMMISSIONING If the protection is set to 'Warn and Log', the warning message can be viewed only while the S S TORE button is pressed. If the protection is set to 'Log only', nothing appears on the screen but an entry will appear in the log. Output Signal Simulation The o o utput signal simulation simulates output signalling to confirm that outputs and associated control circuits are operating correctly.
  • Page 61: Reset Thermal Models

    COMMISSIONING Analog I/O State This screen shows the current status of the Analog I/O Analog I/O State Input: - - - - % Output A: 04.0mA NOTE Input is not supported by this product and this screen will always indicate Input: - - - - % 10.5 Reset Thermal Models The MVS's advanced thermal modelling software constantly monitors the motor's performance.
  • Page 62 COMMISSIONING MVSxxxx-V13 Clip one end of the resistor assembly to the bolt on the non-conduction PCB (do not connect to earth bolt, ie green/yellow wire). The non-conduction PCB is located on the side of the phase arm, at the top of the long round grading resistor (on the left hand side of the phase arm when viewed from the back).
  • Page 63: 11 Monitoring

    The Starter Trip and Event Logger Software allows you to download the trip and event logs from the soft starter, for separate analysis. The software is compatible with all AuCom medium voltage soft starters using control software version 1.29 or later.
  • Page 64 MONITORING To view the counters: Open the Logs Menu. Scroll to Counters and press Use the buttons to scroll through the counters. Press to view details. To reset a counter, press S S TORE (enter access code if required) then use the button to select Reset.
  • Page 65: 12 Operation

    OPERATION 12 Operation C C AUTION We recommend testing the soft starter's setup on a low voltage motor before beginning operation on a medium voltage motor. This allows the operator to test that the soft starter is correctly connected to the auxiliary equipment.
  • Page 66: Using The Mvs To Control A Slip-Ring Motor

    OPERATION 12.3 Using the MVS to Control a Slip-Ring Motor The MVS can be used to control a slip-ring motor, using rotor resistance. Sub-states States Main contactor close time Ready Rotor resistance contactor close time Pre-start tests Bypass contactor close time Starting Output voltage Running...
  • Page 67 OPERATION Commissioning Configure the MVS as follows: Parameter settings:  Relay A Function Parameter 7A  Select 'Changeover Contactor'  Relay A On Delay Parameter 7B  Set this to the maximum time (5m:00s).  Parameter 12A Motor Data-1 Ramp ...
  • Page 68 OPERATION Slip-Ring Motor Connection 220~240VAC (Wh) (Bk) (Bk) (Wh) Power assembly A A 4 Controller 3 Phase 50/60 Hz Supply Remote control inputs Main contactor C23~C24 Control Input - Start Bypass contactor C31~C32 Control Input - Stop Motor C41~C42 Control Input - Reset Slip-ring rotor resistance C53~C54 Control Input - Programmable input A...
  • Page 69: Operating States

    OPERATION 12.4 Operating States Start and Run States The MVS soft starter has six operating states, and performs the following actions in each state: State Starter actions Not ready Control power is on and the starter performs system checks. The starter may be waiting for the motor to cool before allowing a start.
  • Page 70: Motor Protection

    OPERATION 12.5 Motor Protection Motor, System and Soft Starter Protection Mechanisms The MVS incorporates extensive protection features to ensure safe operation of the motor, system and soft starter. Most protection features can be customised to suit the installation. Use parameter group 4 Protection Settings to control the situation where the protections will activate and parameter group 16 Protection Action to select the soft starter's response.
  • Page 71: Operating Feedback

    OPERATION 12.6 Operating Feedback Displays The controller displays a wide range of performance information about the soft starter. The top half of the screen shows real-time information on current or motor power (as selected in parameter 8D). Use the buttons to select the information shown on the bottom half of the screen. ...
  • Page 72 OPERATION  Motor Power The motor power screen shows motor power (kW, HP and kVA) and power factor. 000.0kW 0000HP 0000kVA -. - - pf  Voltage The voltage screen shows real-time line voltage across each phase. Line Voltages 00000 00000 00000 ...
  • Page 73: 13 Troubleshooting

    TROUBLESHOOTING 13 Troubleshooting The MVS provides extensive information to help the operator diagnose and remedy any operating difficulties. In addition to the motor and load protection features already described, the MVS reports in detail on the starter's own state. Any internal failure will cause the soft starter to trip, and full details will be recorded in the Trip Log and Event Log.
  • Page 74 TROUBLESHOOTING D D isplay P P ossible cause/Suggested solution Excess start time The motor was unable to accelerate to full speed in the time allowed. Excess start time trip can occur in the following conditions:  parameter 1A Motor Full Load Current is not appropriate for the motor ...
  • Page 75 TROUBLESHOOTING D D isplay P P ossible cause/Suggested solution Internal fault 104 The power fail input is open circuit.  Check that control voltage is available.  There may be a wiring fault. This trip is not adjustable. Internal fault 105 The power interface board is faulty or damaged.
  • Page 76 This is a name selected for a programmable input. Refer to Input A trip. VZC Fail Px Where 'X' is 1, 2 or 3. The voltage detection system has failed. The voltage dividing resistors have failed or the power interface board may be faulty. Contact AuCom for advice. 710-13937-00C MVS Panel User Manual...
  • Page 77: General Faults

    TROUBLESHOOTING LED locations The non-conduction and firing LEDs are located on the power interface PCB. The non-conduction LEDs should dim during starting, and should be off when the bypass contactor closes. The firing LEDs should be on during starting, and off just before the bypass contactor closes and the soft starter enters run mode. The gate drive adaptor, gate drive and gate drive firing PCBs are located on individual phase arm power assemblies.
  • Page 78 TROUBLESHOOTING S S ymptom P P robable Cause Erratic motor operation.  The SCRs in the MVS require at least 5 A of current to latch. If you are testing the soft starter on a motor with full load current less than 5 A, the SCRs may not latch correctly.
  • Page 79: 14 Maintenance

    MAINTENANCE 14 Maintenance 14.1 Safety NOTE The MVS soft starter is not user serviceable. The unit should only be serviced by authorised service personnel. Unauthorised tampering with the unit will void the product warranty. Electrical Shock Risk The voltages present in the following locations can cause severe electric shock and may be lethal: ...
  • Page 80: Isolation Switch Maintenance

    MAINTENANCE 14.6 Isolation Switch Maintenance W W ARNING Do not operate the switch while current is flowing (motor or capacitor). The isolation switch is designed for use in any MVS panel and it is not designed for outdoor use. The isolation switch must be installed with a breaker or similar device on the supply side to limit the prospective fault energy.
  • Page 81: Phase Arm Assembly Alignment (Model V13)

    MAINTENANCE 14.8 Phase Arm Assembly Alignment (model V13) The phase arm locates itself at the fully withdrawn state when sliding in and out of the frame. During the commissioning process, during maintenance and when installing a phase arm check the phase arm alignment.
  • Page 82: Removing Phase Arms (Model V13)

    MAINTENANCE 14.9 Removing Phase Arms (model V13) W W ARNING Do not extend more than one phase arm at any one time. Undo the two phase connection bolts at the rear of the phase arm. Remove the nut and washer and undo the rod bolt on both sides.
  • Page 83 MAINTENANCE Removing Phase Arms with a Lifting Frame To remove a phase arm with a forklift: Slide the phase arm out from the panel. Place the lifting frame on the phase arm and tighten bolts. Position the forks at 210 mm from fork to fork. Taking care not to touch any other components, slowly slide the forks into the fork guide slot under the lifting frame.
  • Page 84: 15 Appendix

    APPENDIX 15 Appendix 15.1 Parameter Defaults If you require assistance from your supplier or a service technician, please note all parameter settings in the table below. P P rimary Motor Settings U U ser Set 1 U U ser Set 2 D D efault Value Motor Full Load Current 100 A...
  • Page 85 APPENDIX Input B Name Input Trip Input B Trip Always Active Input B Trip Delay 00m:00s Input B Initial Delay 00m:00s Reserved Reserved Remote Reset Logic Normally Closed (N/C) Reserved Reserved Reserved Local/Remote LCL/RMT Anytime Comms in Remote Enable Control in RMT O O utputs Relay A Function Main Contactor...
  • Page 86 APPENDIX Initial Current-2 400% FLC Current Limit-2 400% FLC Reserved Kickstart Time-2 0 ms Kickstart Level-2 500% FLC Stop Mode-2 Coast To Stop Stop Time-2 00m:00s R R eserved 1 1 1 R R TD/PT100 ( Reserved 1 1 2 S S lip- - R R ing Motors Motor Data-1 Ramp Single Ramp...
  • Page 87: Accessories

    APPENDIX 15.2 Accessories Communication Interfaces MVS soft starters support network communication via easy-to-install communications interfaces. Each soft starter can support one communications interface at a time. Available protocols: Ethernet (Profinet, Modbus TCP, Ethernet/IP), Profibus, DeviceNet, Modbus RTU, and USB.  Installing Communication Modules Communication modules attach to the back of the controller: ...
  • Page 88 The Starter Trip and Event Logger Software allows you to download the trip and event logs from the soft starter, for separate analysis. The software is compatible with all AuCom medium voltage soft starters using control software version 1.29 or later.
  • Page 89 APPENDIX MVS Panel User Manual 710-13937-00C...

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