TCi HGP HarmonicGuard Series Installation, Operation And Maintenance Manual Download Page 1

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HarmonicGuard

Series

Drive Applied Harmonic Filter Kit

Installation, Operation, and Maintenance Manual

TCI, LLC

W132 N10611 Grant Drive

Germantown, Wisconsin 53022

Phone: 414-357-4480

Fax: 414-357-4484

Helpline: 800-TCI-8282

Web Site: http://www.transcoil.com

Product No: 29289

Effective: 01/06/2020 Version: N

Summary of Contents for HGP HarmonicGuard Series

Page 1: ...ion Operation and Maintenance Manual TCI LLC W132 N10611 Grant Drive Germantown Wisconsin 53022 Phone 414 357 4480 Fax 414 357 4484 Helpline 800 TCI 8282 Web Site http www transcoil com 2019 TCI LLC All rights reserved Product No 29289 Effective 01 06 2020 Version N ...

Page 2: ... otherwise without the prior written permission of TCI LLC The information in this manual is subject to change without notice Every precaution has been taken in the preparation of this manual TCI LLC assumes no responsibility for errors or omissions Neither is any liability assumed for damages resulting from the use of the information contained in this publication ...

Page 3: ...ription Date A Release B Added 600 V Option 10 22 14 C Updated Kit Numbering system 02 03 15 D Updated Kit Usages Instructions 09 13 16 E Updated 480 V 60 Hz HGP Fuse Tables 06 26 17 F Updated 480 V 60 Hz HGP Fuse Tables 10 19 17 G Updated Fuse Requirements Table 12 01 17 H Updated Filter Schematics 04 23 18 J Update to include compliance 11 15 18 K Update to include PQconnect 08 22 19 L Update to...

Page 4: ...phase controlled rectifiers but actual THID levels can vary by load and or speed and therefore cannot be guaranteed Consult factory for assistance when applying HGP filters on these types of equipment MINIMUM SYSTEM REQUIREMENTS The guaranteed performance levels of this filter will be achieved when the following system conditions are met Frequency 60Hz 0 75Hz System Voltage Nominal System Voltage ...

Page 5: ...ring System 6 Technical Specifications 7 Select a Suitable Location 8 4 0 Installation 7 Installation Guidelines 7 Mounting the Filter Kit 8 Power Wiring 8 SCCR Ratings 9 Filter Wire Sizing 11 KDR Line Reactor Installation Instructions 14 Tuning Reactor 17 Tuned Circuit Capacitors 17 Capacitor Brackets 19 Contactor Optional Customer Supplied 19 5 0 PQconnect 20 Product Description 20 Installation ...

Page 6: ...at describe steps that must be taken to avoid conditions that can lead to a serious fault condition physical injury or death Cautions are used to call attention to instructions that describe steps that must be taken to avoid conditions that can lead to a malfunction and possible equipment damage Warnings Readers are informed of situations that can result in serious physical injury and or serious d...

Page 7: ...h the National Electrical Code NEC and or any other codes that apply to the installation site Warning Disconnect all power before working on the equipment Do not attempt any work on a powered HGP filter Warning The HGP filter drive motor and other connected equipment must be properly grounded Warning After switching off the power always allow 5 minutes for the capacitors in the HGP filter and in t...

Page 8: ...ored before use be sure that it is stored in a location that conforms to published storage humidity and temperature specifications on the applicable technical drawings available at https transcoil com products kits page hgp kits Store the unit in its original packaging TCI Limited Warranty Policy TCI LLC TCI warrants to the original purchaser only that its products will be free from defects in mat...

Page 9: ...SS OF USE OF THE PRODUCT OR FOR ANY OTHER TYPE OR FORM OF CONSEQUENTIAL DAMAGE OR ECONOMIC LOSS The foregoing warranties do not cover reimbursement for removal transportation reinstallation or any other expenses that may be incurred in connection with the repair or replacement of the TCI product The employees and sales agents of TCI are not authorized to make additional warranties about TCI s prod...

Page 10: ...or kW will differ from load power rating HP or kW Please contact TCI Technical Support for additional information and support on sizing HGP harmonic filters for your non six pulse diode front end VFD applications The HGP is a passive filter connected in series with the input terminals of a VFD or several VFDs that operate as a group It is designed to provide a low impedance path for the major harm...

Page 11: ...ent ambient 50 C 122 F Storage Temperature 60 C 140 F Elevation Up to 2 000 m without derating Humidity 95 non condensing Agency approvals or certifications Capacitor Assemblies UL and cUL Listed Capacitors UR and cUR Recognized Reactors UR and cUR Recognized Reactors UL and cUL Listed Performance Guarantee To meet the requirements for the Performance Guarantee the minimum system conditions must c...

Page 12: ...t Excessive airborne dirt and dust Excessive vibration Working Space Provide sufficient access and working space around the unit to permit ready and safe installation operation and maintenance Make sure that the installation conforms to all working space and clearance requirements of the National Electrical Code NEC and or any other applicable codes Provide sufficient unobstructed space to allow c...

Page 13: ...y line or branch tuned circuit fusing based on their published SCCR TCI HGP Kit include reactors that are not required to have a short circuit current rating per UL 508A SB4 2 1 Exception 1 See Table 2 for line fuse requirements to complete 100 kA SCCR Larger kits include dry type capacitors that are not required to have a short circuit current rating per UL 508A SB4 2 1 Exception 1 Small horsepow...

Page 14: ...se appropriately rated Class J T or L fuse less than or equal to 60 A 415 60 20 No requirement for SCCR 415 50 15 kW Use appropriately rated Class J T or L fuse less than or equal to 60 A 415 50 15 No requirement for SCCR 240 60 7 5 Use appropriately rated Class J T or L fuse less than or equal to 60 A 240 60 7 5 No requirement for SCCR 208 60 7 5 Use appropriately rated Class J T or L fuse less t...

Page 15: ...g is split into separate capacitor branches the current each branch carries is proportional to the value of capacitance in each branch Table 3 208 V 60Hz HGP HGP Rating HP Tuned Circuit Current A Line Current A 5 10 3 16 7 7 5 17 1 24 2 10 25 7 30 8 15 34 4 46 2 20 42 9 59 4 25 51 5 74 8 30 68 6 88 40 103 114 60 129 169 75 154 211 100 205 273 150 310 396 200 412 528 250 515 660 300 641 792 Table 4...

Page 16: ...0 240 17 1 40 40 435 25 7 52 50 455 25 7 65 60 600 34 2 77 75 750 42 8 96 100 700 51 3 124 125 815 68 4 156 150 1075 77 0 180 200 1325 103 240 250 1475 128 302 300 1875 154 361 350 1725 180 414 400 1775 205 477 450 2000 231 515 500 2300 257 590 600 1975 308 720 700 1975 359 840 800 2025 410 960 900 2250 230 230 Parallel Branches 1080 1000 2500 257 257 Parallel Branches 1200 Note Addition of PQconn...

Page 17: ...2 2 6 1 7 5 5 1 14 10 8 6 18 15 10 3 27 20 13 7 34 25 25 7 43 30 25 7 51 40 25 7 66 50 42 8 83 60 51 3 103 75 68 4 128 100 77 0 165 125 103 208 150 103 240 175 128 275 200 154 320 250 180 403 300 257 482 350 257 560 400 308 636 450 308 711 500 359 786 600 410 960 700 513 1120 750 513 1200 800 650 1280 900 650 1440 950 650 1520 ...

Page 18: ...r are to be wired The tap for the filter connection will be marked AT BT and CT Output terminals will be marked A2 B2 and C2 Do not swap input and output terminals Units with copper bus or ring lug terminals are not marked Wiring from the output terminals should connect to the input of the VFD Refer to NEC National Electrical Code wiring practices for appropriate wire sizes for your application TC...

Page 19: ...ng and wiring practices found in section 5 0 Line Reactor Wiring In the higher performance HGP design tapped line reactor wiring is more critical than standard line reactor designs Before tapped line reactors it did not matter if you connected the A1 B1 C1 to the line side or the drive side however on the HGP the terminals cannot be swapped Incorrect wiring of the line reactor will result in poor ...

Page 20: ...ds terminal block capability ring lugs are used for all three terminations Note from the drawing below the tap connection is at the lower right side of the coil Figure 5 Ring Lug Terminations In larger line reactors all three terminals extend from the front of the reactor and are constructed from copper bus bar terminals Unless you are an expert on start and finish windings consult the reactor dra...

Page 21: ...rove harmonic performance under high background distortion conditions The tuning reactor supplied with the HGP kit has six terminals A1 A2 B1 B2 C1 and C2 As long as a consistent three terminals are used the A1 B1 and C1 tuned reactor terminals or A2 B2 and C2 tuned reactor terminals can be connected to the line reactor tap at AT BT and CT Tuned Circuit Capacitors The capacitors supplied in the HG...

Page 22: ...o 135 kVAR of capacitors the second tuned reactor KTR135A65HG is wired to the remaining 135 kVAR of capacitors Please note that the labeled capacitor kVAR is rated at 480V or 600 V So in cases where the voltage of the kit is different such as 400 V the kVAR of the capacitors will be different than what the label states Frequency is also a consideration in the kVAR rating This means that the kVAR o...

Page 23: ...s not intended to do so such a design would prevent the internal capacitor pressure disconnection means from operating This bracket prevents gross motion of the capacitors during shipping vibration which could fracture the mounting bracket or allow the capacitors to hit other components Contactor Customer Supplied Your panels may include contactors to remove the tuned circuit from the filter under...

Page 24: ...ol and provides unit status detection metering waveforms and power quality data The PQconnect data is made available via basic Modbus RTU over RS485 serial connection The PQconnect is UL listed and intended for commercial and industrial applications By default the PQconnect is manufactured to close the contactor at 30 load Please verify you have the latest manual version for your PQconnect softwar...

Page 25: ...20VAC Power customer supplied to the input power supply header J12 on the PCB Connect RS 485 to USB serial converter to the Modbus RTU header J5 Use PQvision software from TCI website to calibrate PQconnect PCB Ensure all component connections are torqued before energizing filter NOTE PQvision software is required to calibrate the PQconnect PCB Mounting Selecting a Suitable Location When mounting ...

Page 26: ... Figure 11 Typical HGP Filter Wiring with PQconnect PCB Mounting Hardware Figure 13 below shows the standoffs and screws provided with the kits to mount the board on the bracket Figure 12 Typical HGP Filter Wiring with PQconnect PCB ...

Page 27: ...onnection Wiring When selecting a mounting location for the PQconnect PCB plan for the routing of the power wiring Make sure all wiring conforms to the requirements of the NEC electrical codes and can handle the max current required PCB Connections Most connections to PQconnect will be made on the PCB Refer to connection diagrams in Figure 13 The details of the power and communications terminals a...

Page 28: ...HGP Kit Manual 5 0 PQconnect 24 Figure 13 PQconnect Connection Terminals ...

Page 29: ...tions view HGP schematic 29597 PQ2 Depending on the size of the line reactor you have the option of different terminations based on the reactor Table 9 Voltage sense wire termination provides examples of the terminations used for the voltage sense wires from the PQconnect to the line reactor All recommendations are used with 18 AWG stranded wire Table 9 Voltage sense wire termination Connector Ter...

Page 30: ... Calibration Once the PQconnect connections are made the PCB must be calibrated to the HGP filter components to ensure proper accuracy and operation of the completed filter The following steps will allow for units to be properly calibrated Note Instillation of the PQvision desktop interface is required for calibration Please see next section PQvision Software before proceeding with PCB calibration...

Page 31: ...m port disengage power from filter and check wiring to the RS485 converter Figure 14 Communication Port COM port Step 4 Select Menu and Settings Tech level access is required as shown in Figure 15 SettingsError Reference source not found Password 08252014 Figure 15 Settings ...

Page 32: ...HGP Kit Manual 5 0 PQconnect 28 Step 5 Ensure that Force Closed is selected as shown below Figure 16 Settings Menu Step 6 Select Menu and Calibrate Figure 17 Calibration ...

Page 33: ...mber HGP0250AW would be acceptable Verify your model number o Filter information Voltage frequency Horsepower Type will show after the model number has been selected Figure 19 Filter Information Select Next Step 6 Enter Current measurements With the current clamp meter measure each individual phase from input of the filter and o Calibration will not continue unless fields are entered Select Apply ...

Page 34: ... the user to monitor the status of the HarmonicGuard Passive filter Additionally the PQvision application can be used for contactor control and basic setup of the HarmonicGuard Passive filter Please ensure the latest version of PQvision is downloaded to your PC by accessing the software at https transcoil com products hgp 5 passive harmonic filter pqvision software A RS485 to USB converter was inc...

Page 35: ...ercentage Displays three phase real power P of the filter input output in kW Displays three phase reactive power Q of the filter input output in kVAR Displays three phase apparent power S of the filter input output in kVA Displays filters output power factor 1 00 indicates unity power factor A negative power factor indicates lagging power factor Displays the current utility line frequency in Hz Di...

Page 36: ...ion 1 Contactor Reset Allows the user to reset the state of the contactor By default the contactor is set to Auto reset the contactor 2 Contactor information Explains the contactor control mode and state 3 Open and Close Delay Contactor delays in seconds After selecting desired new value apply and save settings 4 Contactor Mode Select There are multiple ways to control the contactor Force Open wil...

Page 37: ... need to select apply configuration and save settings to make the change final 2 Relay Input 1 Relay Inputs are based on how the board is connected to digital inputs There is the option of having a thermal switch on the line reactor or tuning reactor There is also an external control input option J7 of the PCB is configured as Relay input 1 Select desired relay action if applicable and save settin...

Page 38: ...ds the user will need to de energize power to the filter and re energize the filter 2 Bluetooth By default Bluetooth will be enabled Connection status will determine if the device is paired with another device There are two security modes the user can select High security Mode has the option of accepting and denying new connections to the device Basic security Mode has the option of changing the p...

Page 39: ...ces other than the Play Store 4 A warning may appear Click on settings and click slider for allow from this source Pairing Instructions 1 Once installed open the PQvision mobile app You must allow PQconnect to use Bluetooth Any Bluetooth capable PQconnect devices in range will be automatically displayed on the connection screen 2 Tap CONNECT next to your target PQconnect device Each PQconnect devi...

Page 40: ...fully entered all filter data will be presented Changing Settings 1 Once connected to a PQconnect device scroll to the bottom of the Summary page and tap Settings to open the Settings screen 2 Change any setting or tap the unlock button to unlock parameter access ...

Page 41: ...vices are displayed on the connect screen o Move closer to the unit to ensure the device is in range o Verify that the PQconnect is powered on and that the CPU LED is blinking o Restart the app 3 If the pairing prompt does not appear automatically o Wait up to 15 seconds for the prompt to appear o Close the app completely and reopen it Please report any issues to TCI tech support transcoil com ...

Page 42: ... Modbus RTU is commonly supported by most PLCs and is an open royalty free communications standard Wiring and Configuration The PQconnect implements a Modbus RTU Master Slave device which supports two wire RS 485 signal levels The PQconnect communication port used for the Modbus RTU interface is connected directly to the PCB The communication port is located on the side of the PQconnect board Figu...

Page 43: ...the PQconnect allows the user to control the contactor and show internal status data of the HarmonicGuard Passive filter The PQconnect PC application PQvision acts as a ModbusRTU master device for the network interface Table 17 Configuration Switches SW1 Configure Modbus Connection on J5 Header 1 Enable 560Ω bias resistor on D 2 Enable 120Ω termination resistor 3 Enable 560Ω pull up on D J20 Remov...

Page 44: ...B CT_RATIO 505 Input XXXX 5 where XXXX is the primary turns count of the CT 1000 1000 5 Range 5 to 10000 Dual Tuned Circuit Current Transformer CT ratios Note Only required for units with dual tuned circuits SYS_CONTROL_MODE 510 Input 0 Always Open 1 Always Closed DEFAULT 2 Auto load 3 Auto kVAR 4 External Control Input 5 No contactor Contactor control keep contactor always open closed auto turn o...

Page 45: ... the relay will be activated Reference Table 23 Filter Line Status References STATUS_FILTER_LOAD_RELAY_ACT ION 543 Input 0 Disabled DEFAULT 63 Range 0 to 65535 To Enable desired status detections enter bit mask from table by converting to decimal If a status is active and the bit corresponding to that status in this mask is set the relay will be activated Reference Table 24 Filter Load Status Refe...

Page 46: ...e 300 to 3600 seconds Maximum number of contactors auto re close attempts time span MB_SLAVE_ADDRESS 600 Input DEFAULT 10 Range 0 to 255 Modbus RTU Device Slave Address MB_BAUD_RATE 601 Input DEFAULT 11520 115200 baud rate 3840 38400 baud rate 960 9600 baud rate Modbus RTU Device Baud Rate MB_PARITY 602 Input 0 None 1 Odd DEFAULT 2 Even Modbus RTU Device Parity SYS_INPUT_1_CONFIG 610 Input DEFAULT...

Page 47: ...Input current measured on C phase of the filter Note For calibration setup SYS_I_TUNE_CAL_A 713 Input Tune circuit current measured on A phase of the filter Note For calibration setup SYS_I_TUNE_CAL_B 714 Input Tune circuit current measured on B phase of the filter Note For calibration setup SYS_I_TUNE_CAL_C 715 Input Tune circuit current measured on C phase of the filter Note For calibration setu...

Page 48: ...NE_OVERCURRENT_C 12 UNDER_TEMP 13 OVER_TEMP 14 CPU_ERROR 15 TUNE_REACTOR_THERMAL_SW Register A 0 RECLOSE_LIMIT 1 NCP_FAULT_A 2 NCP_FAULT_B 3 LINE_REACTOR_THERMAL_SW Table 23 Filter Line Status References 16 bit values Bit Status Detection 0 PHASE_LOSS_A 1 PHASE_LOSS_B 2 PHASE_LOSS_C 3 OVERVOLTAGE_A 4 OVERVOLTAGE_B 5 OVERVOLTAGE_C 6 FILTER_FREQ_MISMATCH 7 HIGH_VOLTAGE_THD 8 LINE_PHASE_ROTATION Tabl...

Page 49: ...Voltage B C V_LOAD_CA_RMS 52 Output Filter Output Phase to Phase Voltage C A V_TUNE_A_RMS 70 Output Filter Tuned Circuit Phase A Voltage V_TUNE_B_RMS 71 Output Filter Tuned Circuit Phase B Voltage V_TUNE_C_RMS 72 Output Filter Tuned Circuit Phase C Voltage I_LINE_A_RMS 36 Output Filter Input Current Phase A I_LINE_B_RMS 37 Output Amps RMS 1 000 1 000 ARMS Range 0 to 1000 Arms Filter Input Current ...

Page 50: ...THVD I_LINE_A_TDD 42 Output iTDD 50 5 0 iTDD Filter input total Demand Distortion Phase A iTDD I_LINE_B_TDD 43 Output Filter input total Demand Distortion Phase B iTDD I_LINE_C_TDD 44 Output Filter input total Demand Distortion Phase C iTDD SYS_POWER_ON 201 Output 0 Power Off 1 Power On Indicates if the filter has input power available SYS_STATUS_OK 202 Output 0 Filter is operating 1 Filter has in...

Page 51: ..._3 141 Output I_LINE_A_HARM_5 142 Output I_LINE_A_HARM_7 143 Output I_LINE_A_HARM_11 144 Output I_LINE_A_HARM_13 145 Output I_LINE_A_HARM_17 146 Output I_LINE_A_HARM_19 147 Output I_LINE_A_HARM_23 148 Output I_LINE_A_HARM_25 149 Output I_LINE_B_HARM_1 160 Output Fundamental 1000 100 Range 0 to 100 Filter input phase B spectrum data Data points from the fundamental to the 25th harmonic If the user ...

Page 52: ...41 Output STATUS_LINE 212 Output Reference Table 23 Filter Line Status References STATUS_LINE_RELAY_ACTION_RO 232 Output STATUS_LINE_CNT_ACTION_RO 242 Output STATUS_FILTER_LOAD 213 Output Reference Table 24 Filter Load Status References STATUS_FILTER_LOAD_RELAY_ACTION_RO 233 Output STATUS_FILTER_LOAD_CNT_ACTION_RO 243 Output SYS_CONTROL_MODE_RO 250 Output 0 Always Open 1 Always Closed 2 Auto load ...

Page 53: ..._CLOSE_DELAY_RO 274 Output DEFAULT 5 5 seconds Range 1 to 3600 seconds Displays set value of contactor closed delay time CNT_OPEN_DELAY_RO 275 Output DEFAULT 5 5 seconds Range 1 to 3600 seconds Displays set value of contactor open delay time CNT_AUTO_RECLOSE_DELAY_RO 280 Output DEFAULT 300 300 seconds Range 120 to 3600 seconds Indicates contactor auto reclose delay time CNT_POWER_ON_DELAY_RO 281 O...

Page 54: ...put Parameter contains UUUU in the UUUULLLL NN serial number format Unit serial number section upper 16 bits of 32 bit unit job number SYS_SERIAL_NUM_1_RO 351 Output Parameter contains LLLL in the UUUULLLL NN serial number format Unit serial number section lower 16 bits of 32 bit unit job number SYS_SERIAL_NUM_0_RO 352 Output Parameter contains NN in the UUUULLLL NN serial number format Unit seria...

Page 55: ...gure 25 B B SmartWorx Inc Model USPTL4 model RS 422 485 converter With the example above shown in Figure 24 the user can make proper connections from the RS485 converter to the PQconnect J5 communication header Table 31 below indicates the positions where the RS485 connections lead to Please ensure the correct dip switch settings are applied before installing Table 31 USPTL4 to J5 Header Connectio...

Page 56: ... enumerates between the range of COM5 to COM20 on a standard laptop computer running the Microsoft windows operating system Open the Simply Modbus Master software o Can be downloaded from the link below o http www simplymodbus ca manual htm o The trial version of the software is free and fully functional for this task hence no License key is necessary Next configure the fields in Figure 27 shown b...

Page 57: ...g the parameter keys o Navigate to the settings menu and then select force open or force close button o The contactor state box will indicate if the contactor is open or closed Next select the WRITE button on the screen shown above The screen below will be shown Configure the fields as shown in Figure 28 Figure 28 WRITE Configure Fields Select 0 in the field Values to Write to close the contactor ...

Page 58: ...ut lines All maintenance and troubleshooting must be done by a qualified electrician Failure to follow standard safety procedures may result in death or serious injury Unless an external disconnect means has been provided everything ahead of the filter circuit breaker including the reactors will still be energized Receiving Inspection The connectivity board has been thoroughly inspected and functi...

Page 59: ... Microprocessor Status LED D11 Green RS485 Communication is active D20 Green 24V LED D21 Green 5V LED Note Status LED s will blink according to the filter status The microprocessor status LED will blink 1hz if the filter is okay however if there has been an alert the LED will blink according to the status detection It will initially start with a slow blink 2 filter lower 3 filter upper 4 filter in...

Page 60: ...rrent Phase A 10 Tune Overcurrent Phase B 11 Tune Overcurrent Phase C 12 Under Temperature 13 Over Temperature 14 CPU Error 15 Tune Reactor Thermal 16 Reclose Limit 3 1 Line Reactor Thermal 4 Filter Line Phase A Loss 4 1 Filter Line Phase B Loss 2 Filter Line Phase C Loss 3 Filter Line Overvoltage Phase A 4 Filter Line Overvoltage Phase B 5 Filter Line Overvoltage Phase C 6 Filter Line Frequency M...

Page 61: ...e drivers of the RS485 to USB converter is installed to the computer Simple way of checking while the RS485 converter connected is to go to the device manager and scroll down to ports There will be a device connected to the ports If your device is not listed the user will need to install the correct drivers of the RS485 converter PQvision App Load Defaults o With the RS485 Converter connected to t...

Page 62: ...der Communication and try to connect Note if connecting to the COM port does not work try flipping the A and B signal wires leading to the J5 header of the circuit board o Load defaults and apply o Save settings and de energize filter o Connect jumper to J20 o Energize filter o Try connecting to PCB All modbus settings should be set to default settings at this point If the board doesn t connect af...

Page 63: ...imit The contactor will close for many reasons if you are experiencing any issues with the contactor view Table 35 Contactor Codes for further details Filter Line Phase Loss A B or C Filter line phase loss Check fused disconnect or circuit breaker upstream of the filter Check input power connections to the filter Filter Line Overvoltage Phase A B or C Filter overvoltage on one of the phases Check ...

Page 64: ...tus detection The contactor is open due to a filter filter line or filter load status detection being detected that is configured to open the tuned circuit contactor when detected The PQconnect continuously monitors the internal conditions of the HGP passive filter and the external conditions of the filter line and load currents and voltages Some status conditions such as tuned circuit overcurrent...

Page 65: ...fter a status condition has been detected The auto reclose enable setpoint parameter is parameter 511 and the auto reclose delay time setpoint parameter is parameter 580 14 Contactor is being held open due to auto reclose limit being reached An internal contactor automatic reclose event is pending but the contactor is being held open because the number of re close attempts in a set time period has...

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Page 67: ... N10611 Grant Drive Germantown Wisconsin 53022 Phone 414 357 4480 Fax 414 357 4484 Helpline 800 TCI 8282 Web Site http www transcoil com 2019 TCI LLC All rights reserved Part No 29289 Effective 01 06 2020 Version N ...

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