AuCom MVE Series User Manual

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USER MANUAL
MVE Soft Starter

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Summary of Contents for AuCom MVE Series

  • Page 1 USER MANUAL MVE Soft Starter...
  • Page 2: Table Of Contents

    CONTENTS Contents Commissioning ..........57 About This Manual ..........2 10.1 Site Acceptance Test (SAT) Procedure ....57 User Manual Version ..........2 10.2 Secondary injection testing ........62 Related Documents ..........2 10.3 Dielectric test on the main circuit ......62 Caution Statements ..........
  • Page 3: About This Manual

    © 2019 AuCom Electronics Ltd. 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 4: Caution Statements

    Foreign matter, such as metal debris, 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 5: General Description

    GENERAL DESCRIPTION General Description Overview The MVE provides compact and robust soft start solutions for control of medium voltage motors. MVE 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.
  • Page 6: Key Features

    The MVE has a 99-place event log to record information on soft starter operation. A separate trip log Starter Trip and Event Logger Software stores detailed information about the last eight trips. Refer to page 7 for details. For further information, or to download the software, visit www.aucom.com. Informative Feedback Screens •...
  • Page 7: Model Code

    GENERAL DESCRIPTION Model Code MVE- – – Control Voltage C12 = 85 ~ 264 VAC or 90 ~ 350 VDC* Supply 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 V11 = 11000 VAC 50/60 Hz V13 = 13800 VAC 50/60 Hz...
  • Page 8: Accessories

    The software is compatible with all AuCom medium voltage soft starters using control software version 1.29 or later. To use the Starter Trip and Event Logger Software with the MVE, the soft starter must be fitted with a USB Module (PIM-USB-01) or a Modbus Module (PIM-MB-01).
  • Page 9: Specifications

    SPECIFICATIONS Specifications Supply Mains Voltage (U MVE-xxxx-V02 ........................ 2.3 kV Phase-phase MVE-xxxx-V03 ........................ 3.3 kV Phase-phase MVE-xxxx-V04 ......................4.16 kV Phase-phase MVE-xxxx-V06 ........................ 6.6 kV Phase-phase MVE-xxxx-V11 ......................11.0 kV Phase-phase MVE-xxxx-V13 ......................13.8 kV Phase-phase Rated Frequency (fr) ..........................50/60 Hz Rated lightning impulse withstand voltage (U MVE-xxxx-V02 ~ V04 ..........................
  • Page 10 SPECIFICATIONS Inputs Inputs on Controller Start (C23, C24) ........................24 VDC, 8 mA approx Stop (C31, C32) ........................24 VDC, 8 mA approx Reset (C41, C42) ......................... 24 VDC, 8 mA approx Input A (C53, C54) ....................... 24 VDC, 8 mA approx Input B (C63, C64) .......................
  • Page 11 SPECIFICATIONS EMC Emission (Designed to IEC 60947-4-2) Equipment class (EMC) ..........................Class A Conducted radio frequency emission ............. 0.15 MHz to 0.5 MHz: < 79 dB µV ..........................0.5 to 5 MHz: < 73 dB µV ........................... 5 to 30 MHz: < 73 dB µV Radiated radio frequency emission ..............
  • Page 12: Installation

    INSTALLATION Installation Dimensions and Weights Front view Side view Weight (phase arm) mm (inch) mm (inch) mm (inch) mm (inch) kg (lb) MVE-V02: 0070~0450 38.4 (84.7) MVE-V03: 0070~0450 (23.0) (20.0) 39.5 (87.1) (29.5) (9.7) MVE-V04: 0070~0450 MVE-V06: 0070~0450 652 (25.7) 600 (23.6) 53.3 (117.5) MVE-V02: 0500~0540...
  • Page 13: Terminations On The Power Interface Board

    INSTALLATION Terminations on the Power Interface Board | MVE User Manual (710-17074-00H)
  • Page 14 INSTALLATION CT ratio selector DIP switch S1 Non-conduction LEDs (green) Gate firing fibre-optic connectors Firing status LEDs (red) Earth termination point (for voltage sensing ground connections) Voltage sensing input connector (V0 ~ V3) Ground fault CT connector (GF1, GF2) Line CT connectors (CT1 [L11/L12], CT2 [L21/L22], CT3 [L31/L32]) Non-conduction readback fibre-optic connectors Fan Fail (C1, C2), DOL protection activated (C3, C4) and Power supply fail input (C5, C6) ID resistors...
  • Page 15: Power Circuits

    INSTALLATION Power Circuits Overview MVE soft starters are designed to operate as part of a system including other components. • A bypass switching device (contactor or vacuum circuit breaker) is required in all installations. A main switching device (contactor or circuit breaker) is required in all installations. This can be located •...
  • Page 16 INSTALLATION Power Factor Correction CAUTION Power factor correction must be switched in using a dedicated contactor. Installing power factor correction capacitors with no contactor may damage the soft starter. Power factor correction capacitors should be selected based on the motor data and the required final power factor. Select a contactor according to the required kVAr.
  • Page 17 INSTALLATION Power Circuit Configuration MVE power circuit with main contactor, bypass contactor, main isolator/ earth switch, R Rated fuses and current transformers. When used with contactors, MVE must be installed with fuse if the short circuit level of the network/supply is higher than the short circuit rating of the contactors. A1-3 A1-2 A1-1...
  • Page 18: Operation Mode Selector Switch (S1)

    INSTALLATION Operation mode selector switch (S1) The MVE can soft start the motor, or can DOL start the motor with or without protection. Use the operation mode selector switch (S1) to select the start mode. SST position (soft start) • The customer's external control signals start and stop the motor.
  • Page 19: Controller

    CONTROLLER Controller Controller START STOP RESET Ready T rip Local INPU T A Reset Start Stop INPUT B Menu Exit Store Logs Tools Four-line display for status and Menu navigation buttons: programming details. : Exit the menu or parameter, or cancel a parameter change.
  • Page 20: Menu Shortcuts

    CONTROLLER CAUTION The control inputs are powered by the soft starter. Do not apply external voltage to the control input terminals. Cables to the control inputs must be segregated from mains voltage and motor cabling. The reset input can be normally open or normally closed. Use parameter 6M to select the configuration. NOTE Reset input is normally closed by default.
  • Page 21: Displays

    CONTROLLER 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 22: Display Calibration

    CONTROLLER Voltage • The voltage screen shows real-time line voltage across each phase. Line Voltages 00000 00000 00000 Last Start Information • The last start information screen shows details of the most recent start: start duration (seconds) • maximum start current drawn (as a percentage of motor full load current) •...
  • Page 23: Set Date And Time

    CONTROLLER 6.10 Set Date and Time To set the date and time: Open the Commissioning Menu. Scroll to the date/time screen. Press the button to enter edit mode. Press the buttons to select which part of the date or time to edit. Use the buttons to change the value.
  • Page 24 CONTROLLER LED locations • LED locations on power interface board LED locations on each phase arm Low control volts (green) Control supply LED (green) Controller/power interface board communications (red) Protection active input (C3) (green) Protection active input (C4) (green) Phase arm power supply control relay output (green) PFC contactor relay output (green) Bypass device relay output (green) Main device relay output (green)
  • Page 25 CONTROLLER Press START or activate the start input. The soft starter simulates its Run Simulation pre-start checks and closes the main contactor relay. Pre-Start Checks STORE to Continue 7A Output Relay A Functionality • On the controller, if parameter 7A ( ) is set to 'Main Contactor', the Relay A LED on the controller activates.
  • Page 26 CONTROLLER Protection Simulation The protection simulation simulates activation of each protection mechanism to confirm that the soft starter and associated control circuits are responding correctly. To use the protection simulation: Open the Commissioning Menu. Scroll to Protection Simulation and press Use the buttons to select the protection you want to simulate.
  • Page 27: Input/Output Status

    CONTROLLER 6.12 Input/Output Status Temperature Sensors State This screen shows the state of the motor thermistors and RTD/PT100s. Temp Sensors State Thermistor: 0 RTDs A-->G:OOOOOOO S = Shrt H=Hot C=Cld O=Opn NOTE The use of RTDs is not supported by this product and this screen will always indicate 0 (ie Open) for RTDs A->G.
  • Page 28: 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. For further information, or to download the software, visit www.aucom.com.
  • Page 29: Operation

    OPERATION Operation CAUTION 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. Start, Stop and Reset Commands The soft starter can be controlled in three ways: •...
  • Page 30 OPERATION Constant Current with Current Ramp Current ramp soft starting raises the current from a specified starting level (1) to a maximum limit (3), over an extended period of time (2). Current ramp starting can be useful for applications where: •...
  • Page 31: Stop Methods

    OPERATION For a timed voltage ramp start, the following are typical values and can be adjusted to suit your specific application: Add the FLC value of all the connected motors. Use this combined value to set parameter 1A Motor Full •...
  • Page 32: Operating States

    OPERATION Operating States Start and Run States The MVE soft starter has six operating states, and performs the following actions in each state: Starter State Starter actions Not ready Control power is on. The starter may be in Restart Delay mode or waiting for the motor to cool down before allowing a start.
  • Page 33: Motor Protection

    MOTOR PROTECTION Motor Protection Motor, System and Soft Starter Protection Mechanisms The MVE 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 34 MOTOR PROTECTION Motor thermal capacity The motor thermal model permits the motor to operate safely within its available thermal capacity, with any combination of hot or cold starts and allowing for cooling between starts. Motor thermal capacity 100% 21355.A Ambient temperature (0% thermal capacity) Steady state temperature Motor overload protection trip point Motor temperature rise from cold start to full load (∆t...
  • Page 35 MOTOR PROTECTION Hot start • If another start is attempted before the motor has cooled (excessive heating from previous starts and/or not enough off time for cooling), the overload protection will trip. Motor Thermal Model Protection Set-up The motor information configured in the starter defines the motor thermal model protection curve. Accurate motor data is critical for good operation of the thermal model.
  • Page 36 MOTOR PROTECTION Motor thermal model protection curve: running state Current Safe running current level (motor FLC multiplied by motor service factor) Operating current above safe running level Trip point Motor thermal model protection curve The safe running level for the motor current is the motor FLC multiplied by the service factor. If the motor current remains below the safe running level during run, motor overload protection will not activate.
  • Page 37: Programmable Parameters

    PROGRAMMABLE PARAMETERS Programmable Parameters Programming Menu The Programming Menu lets you view and change programmable parameters that control how the MVE 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 38: Standard Menu

    PROGRAMMABLE PARAMETERS To load or save settings: Open the Programming Menu Load Defaults Load Backup Scroll to Load/Save Settings and press the button. Load User Set 1 Scroll to the required function and press the button. Enter the access code when prompted. At the confirmation prompt, select YES to confirm or NO to cancel and Load Defaults then STORE to load/save the selection.
  • Page 39: Extended Menu

    PROGRAMMABLE PARAMETERS Inputs Input A Function Input A Name Input A Trip Input A Trip Delay Input A Initial Delay Input B Function Input B Name Input B Trip Input B Trip Delay Input B Initial Delay Outputs Relay A Function Relay A On Delay Relay A Off Delay Relay B Function...
  • Page 40 PROGRAMMABLE PARAMETERS Kickstart Level Stop Mode Stop Time Auto-Start/Stop Reserved Reserved Auto-Stop Type Auto-Stop Time Protection Excess Start Time Excess Start Time-2 Undercurrent Undercurrent Delay Instantaneous Overcurrent Instantaneous Overcurrent Delay Phase Sequence Current Imbalance Current Imbalance Delay Frequency Check Frequency Variation Frequency Delay Restart Delay Motor Temperature Check...
  • Page 41 PROGRAMMABLE PARAMETERS Reserved Reserved Local/Remote Comms in Remote Outputs 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 Relay C Off Delay Reserved Reserved Reserved...
  • Page 42 PROGRAMMABLE PARAMETERS Start/Stop Modes-2 Start Mode-2 Start Ramp-2 Initial Current-2 Current Limit-2 Reserved Kickstart Time-2 Kickstart Level-2 Stop Mode-2 Stop Time-2 Reserved RTD/PT100 ( Reserved Slip-Ring Motors Motor Data-1 Ramp Motor Data-2 Ramp Changeover Time Slip Ring Retard Advanced Access Code Adjustment Lock Emergency Run Protection Action...
  • Page 43: Parameter Descriptions

    PROGRAMMABLE PARAMETERS Parameter Descriptions 1 Motor Data-1 The parameters in Motor Data-1 configure the soft starter to match the connected motor. These parameters describe the motor's operating characteristics and allow the soft starter to model the motor's temperature. 1A – Motor FLC Range: 5 - 1000 A Default:...
  • Page 44 PROGRAMMABLE PARAMETERS 2H – Stop Mode Options: Coast To Stop (default) TVR Soft Stop Description: Selects the stop mode. 2I – Stop Time Range: 0:00 - 4:00 (minutes:seconds) Default: 0 second Description: Sets the time for soft stopping the motor using timed voltage ramp. If a main contactor is installed, the contactor must remain closed until the end of the stop time.
  • Page 45 PROGRAMMABLE PARAMETERS 4C – Undercurrent Range: 0% - 100% Default: Description: Sets the trip point for undercurrent protection, as a percentage of motor full load current. Set to a level between the motor's normal working range and the motor's magnetising (no load) current (typically 25% to 35% of full load current).
  • Page 46 PROGRAMMABLE PARAMETERS 4L – Frequency Delay Range: 0:01 - 4:00 (minutes:seconds) Default: 5 seconds Description: Slows the MVE's response to frequency disturbances, avoiding trips due to momentary fluctuations. NOTE If the mains frequency drops below 35 Hz or rises above 75 Hz, the starter will trip immediately, irrespective of the settings for Frequency Trip parameters.
  • Page 47 PROGRAMMABLE PARAMETERS If the main switching element is a contactor (protected by a fuse), then this function must be coordinated with the fuse to ensure that the contactor does NOT open until the fuse ruptures. If the main switching element is a breaker, then the delay must be minimised to provide the best possible protection to the SCR.
  • Page 48 PROGRAMMABLE PARAMETERS 5 Auto-Reset Trips (Reserved) This parameter group is reserved for future use. 6 Inputs The MVE has two programmable inputs, which allow remote control of the soft starter. 6A – Input A Function Options: Motor Set Select The MVE can be configured with two separate sets of motor data. To use the secondary motor data, parameter 6A must be set to 'Motor Set Select' and C53, C54 must be closed when a start command is given.
  • Page 49 PROGRAMMABLE PARAMETERS 6C – Input A Trip Options: Always Active (default) A trip can occur at any time when the soft starter is receiving power. Operating Only A trip can occur while the soft starter is running, stopping or starting. Run Only A trip can only occur while the soft starter is running.
  • Page 50 PROGRAMMABLE PARAMETERS 6R – Comms in Remote Options: Disable Control in RMT Enable Control in RMT (default) Description: Selects whether the starter will accept Start, Stop and Reset commands from the serial communication network when in Remote mode. The Force Comms Trip and Local/Remote commands are always enabled.
  • Page 51 PROGRAMMABLE PARAMETERS 7C – Relay A Off Delay Range: 0:00 - 5:00 (minutes:seconds) Default: 0 second Description: Sets the delay for re-opening Relay A. 7D~7I – Output Relays B and C Parameters 7D~7I configure the operation of Relays B and C in the same way as parameters 7A~7C configure Relay A. Refer to Relay A for details.
  • Page 52 PROGRAMMABLE PARAMETERS 7P – Analog Output A The MVE has an analog output, which can be connected to associated equipment to monitor motor performance. Options: Current (% FLC) (default) Current as a percentage of motor full load current. Motor Temperature (%) Motor temperature as a percentage of the motor rated current (calculated by the soft starter's thermal model).
  • Page 53 PROGRAMMABLE PARAMETERS 8B, 8C – F1 and F2 Button Action Options: None Setup Auto-Start/Stop Description: Selects the function of the F1 and F2 buttons on the controller. F1 Button Action • Default: Setup Auto-Start/Stop F2 Button Action • Default: None 8D –...
  • Page 54 PROGRAMMABLE PARAMETERS 8J – Graph Timebase Options: 10 seconds 10 minutes 30 seconds 30 minutes 1 minute (default) 1 hour 5 minutes Description: Sets the graph time scale. The graph will progressively replace the old data with new data. 8K – Graph Maximum Adjustment Range: 0% –...
  • Page 55 PROGRAMMABLE PARAMETERS 10 Start/Stop-2 10A – Start Mode-2 Options: Constant Current (default) Description: Selects the soft start mode. 10B – Start Ramp-2 Range: 0:01 - 3.00 (minutes:seconds) Default: 1 second Description: Sets the ramp time for current ramp starting (from the initial current to the current limit). 10C –...
  • Page 56 PROGRAMMABLE PARAMETERS 12B – Motor 2 Ramp Options: Single Ramp (default) Dual Ramp Description: Selects whether to use a single or dual current ramp profile for soft starting. Set to single ramp for non-slip ring induction motors, or dual ramp for slip-ring induction motors. Parameter 12B selects the ramp configuration for the secondary motor.
  • Page 57 PROGRAMMABLE PARAMETERS 16 Protection Action These parameters define how the soft starter will respond to different protection events. The soft starter can trip, issue a warning, or ignore different protection events as required. All protection events are written to the event log. The default action for all protections is to trip the soft starter.
  • Page 58: Commissioning

    COMMISSIONING 10. Commissioning 10.1 Site Acceptance Test (SAT) Procedure Preparation Document familiarisation • Ensure that all preliminary details are recorded before visiting the customer. Compile a folder with all available information. (Include Site readiness form). Date Initial All team members must be familiar with the soft starter operating manual. Review the schematics, general arrangement drawings and bill of materials (BOM) for the installation.
  • Page 59 COMMISSIONING Site Acceptance Test Procedure Physical checks: Mechanical assemblies • Power Assembly  Before beginning the commissioning process, check that the power assembly has arrived in good condition and all connections are correct. Date Initial All critical bolts on the power assembly are checked and marked in the factory. Check that all marks are still aligned.
  • Page 60 COMMISSIONING Date Initial Check that the auxiliary/ control supply is as expected: Measure and record voltage between Line and Neutral. = ______ V • • Measure and record voltage between Line and Earth. = ______ V Check that Neutral is properly earthed (at least at the LV supply transformer, but preferably at the main distribution board also).
  • Page 61 COMMISSIONING Date Initial 11. Configure the soft starter parameters for the low voltage motor. 12. Use the soft starter to operate the LV motor. 13. Check that the current and voltage levels are balanced across all three phases. 14. Check that all three non-conduction LEDs on the power interface PCB activate fully. All three LEDs should be equally bright.
  • Page 62 COMMISSIONING CAUTION After low voltage mode testing, ensure that the LV motor test resistor assembly is removed from each phase arm before connecting the soft starter to a medium voltage motor. If the LV motor test resistor assemblies remain on the phase arms, the soft starter may suffer severe damage. CAUTION After low voltage mode testing, any fan control wiring must be reconnected and the fan assemblies must be screwed to the front of each phase arm before connecting to the medium voltage mains supply.
  • Page 63: Secondary Injection Testing

    COMMISSIONING 10.2 Secondary injection testing The MVE supports secondary injection testing to prove the correct operation of the soft starter’s protection functions. Secondary injection tests that the soft starter’s current and voltage protection and metering functions are operating according to the parameter settings. Secondary injection testing uses the soft starter's DOL+ Mode.
  • Page 64 COMMISSIONING Apply voltage to Phase C (with phases A and B connected to ground ) for 1 minute Discharge the unit by earthing high voltage parts. There must be no disruptive discharge. Leakage current must be <30 mA. If the discharge is ≥30 mA, the test result is a fail.
  • Page 65 COMMISSIONING Short SCRs in pairs: MVE-V06 • Connection points: voltage input and earth • Voltage input Earth connection | MVE User Manual (710-17074-00H)
  • Page 66: Troubleshooting

    TROUBLESHOOTING 11. Troubleshooting The MVE 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 MVE 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 67 TROUBLESHOOTING Display Possible cause/Suggested solution Current imbalance can be caused by problems with the motor, the environment or the Current imbalance installation, such as: An imbalance in the incoming mains voltage • • A problem with the motor windings • A light load on the motor A phase loss on input terminals L1, L2 or L3 during Run mode •...
  • Page 68 TROUBLESHOOTING Display Possible cause/Suggested solution There has been a sharp rise in motor current, probably caused by a locked rotor condition Instantaneous overcurrent (shearpin) while running. This may indicate a jammed load. A trip may also occur when a medium level fault current has been detected. This may indicate a system short circuit.
  • Page 69 TROUBLESHOOTING Display Possible cause/Suggested solution The MVE has detected a drop in the internal control voltage. Low Control Volts • Check the external control supply (A1, A2, A3) and reset the starter. If the external control supply is stable: • the 24 V supply on the main control PCB may be faulty;...
  • Page 70: General Faults

    TROUBLESHOOTING Display Possible cause/Suggested solution This is a name selected for a programmable input. Refer to Input A trip. This trip is not adjustable. Power loss The starter is not receiving mains supply on one or more phases. Check that the main contactor closes when a start command is given, and remains closed until the end of a soft stop.
  • Page 71 TROUBLESHOOTING Symptom Probable Cause The soft starter does not respond • The soft starter may be waiting for the restart delay to elapse. The length of Restart Delay to a start command from either the restart delay is controlled by parameter 4M the local or remote controls.
  • Page 72: Maintenance

    MAINTENANCE 12. Maintenance 12.1 Safety NOTE The MVE 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 73: Appendix

    APPENDIX 13. Appendix 13.1 Parameter Defaults If you require assistance from your supplier or a service technician, please note all parameter settings in the table below. User Set 1 User Set 2 Default Value Primary Motor Settings Motor Full Load Current 100 A Locked Rotor Time 00m:10s...
  • Page 74 APPENDIX User Set 1 User Set 2 Default Value Instantaneous Overcurrent Delay S2 10 ms Reserved Auto-Reset Trips ( Reserved Inputs Input A Function Input Trip (N/O) Input A Name Input Trip Input A Trip Always Active Input A Trip Delay 00m:00s Input A Initial Delay 00m:00s...
  • Page 75 APPENDIX User Set 1 User Set 2 Default Value Display Language English Setup F1 Button Action Auto-Start/Stop F2 Button Action None Display A or kW Current User Screen - Top Left Starter State User Screen - Top Right Blank User Screen - Bottom Left User Screen - Bottom Right Hours Run Graph Data...
  • Page 76 APPENDIX User Set 1 User Set 2 Default Value Frequency Trip Starter Input A Trip Trip Starter Input B Trip Trip Starter Motor Thermistor Trip Starter Starter Communication Trip Starter Network Communication Warn and Log Reserved Battery/Clock Warn and Log Ground Fault Trip Starter Reserved...
  • Page 77 Al Thanyah Fifth, Mazaya Business Avenue BB2, Jumeirah Lakes Towers, Dubai, UAE T +971 4 430 7203 North America 2528 Lovi Road, Building 2-2A, Freedom, PA 15042, USA T 855 928 2666 (855 AUCOM NA), +1 724 987 4952 F +1 724 510 3005 http://my.aucom.com...

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