LEGRAND Keor T 10KVA Operating Manual Download

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LE10795AB

KEOR T 208V

5-60 KVA

Operating Manual

Summary of Contents for Keor T 10KVA

Page 1: ...LE10795AB KEOR T 208V 5 60 KVA Operating Manual ...

Page 2: ...he rights to change the technical specifications and design without notice LEGRAND reserves the rights to change the information in this document without notice Refer to hiip ups legrand com web site to dowload last release and translations Units that are labelled with a CE mark comply with the Standard EN 62040 1 and EN 62040 2 Read the manual completely before working on this equipment Keep this...

Page 3: ...All packing material must be recycled in compliance with the laws in force in the country where the system is installed Description of the Abbreviations Used in the Guide UPS Uninterruptible Power Supply ESD Emergency Switching Device RS232 Serial Communication Protocol RS485 Serial Communication Protocol MODBUS Modicon Communication Protocol SNMP Simple Network Management Protocol V Volt A Ampere...

Page 4: ...KEOR T ...

Page 5: ... 5 1 1 Colour Graphical Touchscreen 12 5 1 2 UPS Status LED Bar 14 5 2 Menu 15 5 2 1 Alarms Menu 15 5 2 2 Measurements Menu 16 5 2 3 Settings Menu 17 5 2 4 Diagnostics Menu 20 5 2 5 About Menu 22 5 2 6 Command Menu 22 6 COMMUNICATION 24 6 1 Serial Communication RS232 26 6 2 Internal SNMP Communication 27 6 3 Emergency Switching Device and Generator Connections 28 6 4 Dry Contacts 29 6 5 RS485 30 7...

Page 6: ...t sync with input Alarm 38 9 6 DC voltage failure Alarms 38 9 7 ESD active Alarm 38 9 8 Ambient temperature high Alarm 38 9 9 Overload Alarms 38 9 10 Maintenance bypass active Alarm 39 9 11 Battery test failure Alarm 39 9 12 Input voltage failure Alarms 39 9 13 Inverter temperature high Rectifier temperature high Alarms 39 10 PREVENTIVE MAINTENANCE 40 10 1 Batteries 40 10 2 Battery Fuses 40 10 3 F...

Page 7: ...st solution to provide high energy efficiency even with low load conditions The energy efficiency performance of Keor T surpasses the minimum requirements defined by the Code of Conduct on Energy efficiency and Quality of European of AC UPS defined by EC KEOR T represents the best solution combining high performance low management costs and ease of operation and maintenance Dual Input User friendl...

Page 8: ...itting to send to the users must be kept with the manual becoming an integral part of it The Manufacturer is available to its clientele to provide additional information and will take into consideration any suggestions made to improve this manual to bring it even closer to the requirements for which it was drawn up If the equipment is sold which always includes handing over this operating manual t...

Page 9: ...tc Unloading and transportation damage and failures after delivery Damage or injuries caused by negligence lack of inspection or maintenance or improper use of the products Faulty electrical wiring Defects arising either from designs or parts imposed or supplied by the purchaser Defects and damage by fire and lightning Failures due to modification in the products without LEGRAND approval Improper ...

Page 10: ...erature and humidity controlled indoor environment free of conductive contaminants Ambient temperature must not exceed 40 C 104 F Do not operate near water or excessive humidity 95 maximum without condensation Contact your local recycling or hazardous waste centre for information on proper disposal of the used battery or UPS In case of an extraordinary situation damaged body cabinet or connections...

Page 11: ...failure conditions and communicates with your computer system UPS can be operated in one of the following operational modes depending on the condition of common auxiliary mains voltage battery bypass UPS and or user preference You may see the block diagram of UPS in Appendix 6 Description of UPS and Block Diagram 4 1 Online Mode Energy is drawn from the mains voltage input Loads are supplied throu...

Page 12: ...s 12VDC battery with common neutral You may see the battery string connection as below n x 17 pcs n x 17 pcs POSITIVE STRING NEUTRAL POINT N NEGATIVE STRING Two Serial Strings with Central Point Neutral Potential Battery Management and Battery Back Up Time When UPS operates in Online or Bypass Operation it continuously calculates and displays the remaining back up time However the calculated value...

Page 13: ...put voltage is Ph Ph 208V the tolerance range of bypass voltage would be Ph Ph 139V 247V In case the input voltage decreases below Ph Ph 139V or increases above Ph Ph 247V if UPS runs in Bypass Mode UPS switches to Online Mode Operation if UPS runs in Online Mode Operation it cannot switch to Bypass Mode Operation even if a fault occurs If the batteries and the inverter are suitable to supply the ...

Page 14: ...he mains voltage and the load without interrupting the load operation by connecting the loads directly to the bypass utility supply This feature is useful while performing maintenance or service and should only be executed by trained Personnel Maintenance Bypass enables the user to isolate the electronic circuitry of the UPS from the mains voltage and the load without interrupting the load operati...

Page 15: ...gy flow path is given by a graphical animation 5 Human Machine Interface Energy Flow Diagrams Menus Alarms Measurements Settings Diagnostics About Commands Output Power Output Battery DC Bypass Rectifier Diagnostics Events Details Piriortiy Mode Battery Test Authorizations RelayFuntions Options Communicationoptions EventLogs OutputVoltage OutputFrequency Battery ParallelMode EmergencySwitchingDevi...

Page 16: ...n mode Load Shows the percentage of the load as numerical and graphical information If there is overload at the output the load graphic lits Red You may reach the output power measurements by touching it Menu You may reach the menus by touching it Configuration It indicates if UPS is in parallel or single operation configuration In Single Mode there is no symbol Time It indicates the time Circuit ...

Page 17: ...13 KEOR T Operating Manual Operation Modes of UPS and Energy Flow Diagram Online Mode Frequency Converter Mode Battery Mode Bypass Mode Bypass Line is Orange ...

Page 18: ...ar Status LED Bar under the front panel gives information of current UPS status No Operation You may see the colour code assigned for status of UPS GREEN Everything is OK on UPS Load is protected ORANGE The load is supplied by UPS but an alarm is active control is required RED The load is not supplied by UPS Emergency exists ...

Page 19: ...alarms please check Appendix 1 Alarms List You may reach sub menus by touching Menu Alarms Measurements Settings Diagnostics About and Commands All active alarms present are displayed on the Alarms screen They will appear in red colour and as soon as acknowledged by touching the hand icon at the right side of the screen they switch to gray colour and the buzzer will stop In case a new alarm occurs...

Page 20: ...ow Output load percentage apparent power real power and power factor information of each phase is displayed Output voltage Ph N current frequency information of each phase is displayed DC Bus and Positive Negative string of battery voltage is displayed When the battery circuit breaker is closed it gives just Battery Voltage measurements Charge Discharge battery current ambient temperature and back...

Page 21: ...quency information of each phase are displayed If the MAINS and AUX Supply are connected in COMMON Rectifier and Bypass values will be the same When the Password Screen appears enter 1111 touch ENTER to confirm 5 2 3 Settings Menu This menu is the section where all the settings related to UPS usage customization can be done User Password must be entered to make changes in this section User Passwor...

Page 22: ... You can adjust brightness setting of LCD screen When you touch the save icon key a confirmation pop up bar will appear You should touch Yes to save the settings Touch No to exit without saving the changes You may choose communication options here If Modbus is chosen you may also make Modbus adjustments There are 4 different relays and one alarm is assigned to each relay ...

Page 23: ...ving the changes UPS records the event logs with the date and time information Thus the events can be followed chronologically When you touch the save icon key a confirmation pop up bar will appear You should touch Yes to save the settings Touch No to exit without saving the changes UPS records the event logs with the date and time information Thus the events can be followed chronologically When y...

Page 24: ... to exit without saving the changes You may see UPS status here There are 17 different notifications When you touch the calendar icon you may reach below Event Menu 5 2 4 Diagnostics Menu All the alarms notifications are logged real time and can be reached via this menu UPS displays up to 380 last events Events are stored in EEPROM using FIFO method Order number of last occurred event is 001 the o...

Page 25: ...ach the details of it as you see on the side You may see the details of the event with event code If Technical Support required taking notes of current event logs would be useful You may reach detailed information about events from Appendix 3 Event List 03 01 2012 21 23 Back Event descripton Flags Rectifier reception timeout 0x2940 0x15F0 0xe628 0x0322 Details Online ...

Page 26: ...User Password 1111 the password cannot be changed You may see the COMMAND Menu s screen as below UPS UPS model and nominal power Serial UPS serial number UPS output UPS output voltage Ph N Ph Ph and frequency HMI version Human Machine Interface version Inverter version Inverter firmware version Rectifier version Rectifier firmware version When the Password Screen appears enter 1111 touch enter to ...

Page 27: ...pass Mode If system is configured as Parallel you may choose operation mode of UPS Online or Bypass Mode It would be enough to set the priority on one of the UPS all the UPSs will pass to Bypass Mode at the same time When you touch the Save icon key a confirmation pop up bar will appear You should touch Yes to save the settings Touch No to exit without saving the changes With this command UPS batt...

Page 28: ...Dry Contacts Generator Interface Remote Emergency Switching Device ESD Interface Internal SNMP Web Monitoring e mail External SNMP Standard Option Table 2 Inverter and Rectifier connectors are used for Technical Service only Do no not connect RS232 or external SNMP damage may occur to your equipment and cancel your warranty 1 RS485 Modbus 2 RS232 External SNMP 3 Remote Emergency Switching Device i...

Page 29: ...25 KEOR T Operating Manual Communication Cable Path Figure 6 2 Figure 6 3 Communication Cables Path for 5 50kVA Keor T Communication Cables Path for 60kVA Keor T ...

Page 30: ...rial Communication as standard RS232 cable shall be shielded and shorter than 25m RS232 DSUB 9 male connector with the following pin layout shall be used on the UPS side of the connection cable RS232 Pin Layout PIN Signal Name Signal Description 2 RX Receive Data 3 TX Transmit Data 5 GND Signal Ground Table 3 Over SNMP communication battery test can be started or current test can be cancelled UPS ...

Page 31: ...l SNMP refer to Section 6 1 for more information NMP JUMPER J2 J3 If internal SNMP would be used 2 jumpers should be moved to upper side If RS232 or RS485 would be used 2 jumpers should be moved to lower side SNMP RS232 RS485 If the jumpers are at the upper side for internal SNMP configuration RS232 and RS485 Serial Communication are disabled If the jumpers are at the lower side for RS232 or RS485...

Page 32: ... OFF input is set high by applying 5VDC voltage on the related terminals UPS stops generating the output voltage and stops feeding the load When the voltage on the digital input is removed you have to restart UPS The factory default setting of ESD contact is Normally open GEN ON If the GEN ON input is set high by applying 5VDC voltage on the related terminals UPS transfers to Generator Mode bypass...

Page 33: ...or 60VDC Maximum contact current depends on the applied voltage and the load characteristic Both maximum voltage and maximum contact current corresponding to the applied voltage shall not be exceeded Free contact relay connection cables shall have a cross section of 1 5 mm2 Maximum allowed resistive contact currents for several voltages are given on the table below Each relay has both a normally o...

Page 34: ...ference potential used by the transceiver to measure the D and D voltages 6 5 RS485 RS485 with MODBUS protocol is used in a wide range of automation systems for Industrial Process monitoring or for Building Management Systems This communication link allows monitoring UPS status and measurements with such systems Communication Parameters Baud Rate 2400 Data Bits 8 Stop Bits 1 Parity No Parity Flow ...

Page 35: ...attery fast fuses in a plastic package attached to the front side of UPS After all connections are completed as described in KeorT Installation Manual the battery fuses must be placed as shown below The fuses indicators should be placed at top Use only the fuses delivered with the UPS Figure 7 1 1 Figure 7 1 2 KEOR T 5 30KVA KEOR T 40 50KVA INDICATORS ...

Page 36: ...ircuitbreakeryet 2 Switch the auxiliary supply circuit breaker on the distribution panel to ON position 3 Switch the mains supply circuit breaker on the distribution panel to ON position 4 Switch the auxiliary supply circuit breaker on the UPS Q4 to ON position 5 Switch the mains supply circuit breaker on the UPS Q1 to ON position 6 Switch the inrush circuit breaker on the UPS Q6 to ON position 7 ...

Page 37: ...al Service Personnel During Maintenance Bypass operation in case any mains voltage interruption occurs all loads supplied downstream the UPS will be de energized Maintenance Bypass Operation should not be preferred for long time use Maintenance bypass enables the user to isolate the electronic circuitry of the UPS from the mains voltage and the load without interrupting the load operation by conne...

Page 38: ...the circuit breakers on the external battery cabinet to ON position 6 Touch Battery icon to see Battery DC menu measurement Do not close the battery circuit breakers F5 until the difference between DC bus and Battery voltages decreases below 10V 7 Switch the output circuit breaker on the UPS Q2 to ON position 8 Switch the maintenance bypass circuit breaker on the UPS Q3 to OFF position 9 Check on ...

Page 39: ...upply by the remaining operating UPS units N 1 redundancy means than one UPS unit can be stopped without affecting secured load supply N 2 redundancy means than up to two UPS unit can be stopped without affecting secured load supply Maximum Load per parallel UPS unit to keep redundancy 8 Operating Procedures For Parallel Systems Parallel configuration must only be activated by LEGRAND UPSTechnical...

Page 40: ...LLEL UPSs on Maintenance Bypass Mode 1 Switch Q4 Auxiliary Supply circuit breakers of all UPSs ON position 2 Switch Q1 Mains Supply circuit breakers of all UPSs to ON position 3 Switch Q6 Inrush circuit breakers of all UPSs to ON position 4 LCDs will be ON See M Bypass Mode written on LCD of all UPS 5 Touch Battery icon to see Battery DC menu measurement Do not close the battery circuit breakers F...

Page 41: ...intenance Bypass Mode 1 Go to Commands menu of Master UPS enter User password 1111 2 In page Priority select Bypass Mode save and confirm go back to Energy Flow Diagram screen 3 Check that UPS is in Bypass Mode operation See all UPSs switch to Bypass Operation 4 If exists Switch Q External Maintenance Bypass circuit breaker to ON position and keep internal Maintenance Bypass Q3 circuit breakers of...

Page 42: ...mains supply voltage is out of limit Check if common mains supply is in specified limits 9 6 Dc Voltage Failure Alarms Any of the DC bus voltages is out of the limit If you encounter this alarm during start up check if the inrush circuit breaker is at ON position Check polarity of external battery connections if any If it still exists contact the LEGRAND Technical Assistance Centre 9 7 ESD active ...

Page 43: ...PS operates in Battery Operation mode As soon as the mains voltage returns to specified limits the alarms will disappear 9 13 Inverter Temperature High Rectifier Temperature High Alarms If temperature of the inverter or rectifier block rises these alarms appear The reasons can be overload fan failure high ambient temperature and dusty environment If fans failed or any other problem is identified c...

Page 44: ...lhazard lethalvoltagepresent When replacing batteries the same quantity and type that were originally fitted should be used Batteries must always be disposed of according to local environmental laws Preventive Maintenance includes extended control of all the electronic and mechanical components in UPS and permits to replace components before their end of life to assure optimum availability of your...

Page 45: ...Preventive maintenance and replacement before end of life shall be done by authorized LEGRAND UPS Technical Service Personnel periodically 10 4 Capacitors The life of the DC electrolytic capacitors and AC filter capacitors used for output and input filtering purposes depends on the UPS usage and environmental conditions Preventive maintenance and replacement before end of life shall be done by aut...

Page 46: ...ond the frequency range of rectifier or input mains voltage is out of limit 12 Rectifier not precharged DC voltage not charged by inrush circuit 13 DC voltage failure DC Bus voltage is out of the limit 14 Inverter temperature high Inverter IGBT module temperature high 15 Output overload RMS current drawn from any of the output lines exceeds its nominal value 16 Inverter DC component high Inverter ...

Page 47: ...igh Ambient temperature exceeds the upper limit 8 Rectifier passive Rectifier is not running now 9 Rectifier blocked Rectifier is blocked by UPS 10 Rectifier disabled Rectifier is disabled by user 11 Inverter passive Inverter is not running now 12 Inverter blocked Inverter is blocked by UPS 13 Inverter disabled Inverter is disabled by user 14 Generator mode active Generator friendly operation is a...

Page 48: ...at I position 20 Batt test completed Battery test is completed 21 Redundancy ok All parallel UPS are OK 22 N number ok All parallel UPS are OK 23 Rectifier enabled Rectifier enabled is set as YES from front panel 24 Inverter enabled Inverter enabled is set as YES from front panel 25 Bypass enabled Bypass enabled is set as YES from front panel 26 Eco mode passive Eco Mode enabled is set as NO from ...

Page 49: ...ate now 56 Output breaker open Output Circuit Breaker is at OFF position 57 Batt test active Battery test is on progress 58 Redundancy lost Parallel system alarm The total load is more than the redundancy load The formula is Load N N 1 100 59 N number failure Parallel system alarm If the UPS number in parallel is less than the preadjusted N number that alarm appears 60 Rectifier disabled Rectifier...

Page 50: ... 18 Customizable Frequency Tolerance Hz 3 Transfer Time ms 1 Output Nominal Voltage VAC Ph Ph 208V Ph Ph 3Ph N PB 190 220 Adjustable Power Factor 0 9 Wave Form Sinusoidal Frequency Hz 50 or 60 Adjustable Frequency Tolerance Battery Operation 0 01 Voltage Regulation Static 1 Output voltage unbalance at reference unbalance load 0 5 Maximum phase angle variation 0 1º Crest Factor 3 1 Nominal Power kV...

Page 51: ...00 1650 x 600 x 800 1650 x 600 x 800 Weight kg without battery transformer 121 140 132 151 144 162 148 169 241 276 317 348 365 Paint RAL 7016 enclosure RAL 9005 front door metal Standards Safety IEC EN 62040 1 EMC IEC EN 62040 2 Performance IEC EN 62040 3 Design IEC EN 62040 ISO 9001 2008 ISO 14001 2004 Protection Class IP 20 other IP as option Options Galvanic Isolation Transformer Internal for 5...

Page 52: ...S THYRISTOR In case any inverter fault occurs Bypass thyristors transfer the supply of the load electronically from inverter to Auxiliary Mains Supply without any interruption RECTIFIER The rectifier generates a very constant DC voltage level by drawing current from the input with a power factor close to 1 INVERTER The inverter generates a very constant AC voltage level at the output by using DC v...

Page 53: ...49 KEOR T Operating Manual SEPARATED RECTIFIER AND BYPASS INPUTS FOR SINGLE UPS UNIT 5 30kVA ...

Page 54: ...50 SEPARATED RECTIFIER AND BYPASS INPUTS FOR SINGLE UPS UNIT 40 60kVA ...

Page 55: ...51 KEOR T Operating Manual COMMON RECTIFIER AND BYPASS INPUTS FOR SINGLE UPS UNIT 5 30kVA ...

Page 56: ...52 COMMON RECTIFIER AND BYPASS INPUTS FOR SINGLE UPS UNIT 40 60kVA ...

Page 57: ... switch 4p NOTE Q3 Internal Maintenance Bypass can be used when total load single unit rating kVA Option o1 o2 unit output disconnect switch to enable single unit complete shut down for maintenance a b o should be 4poles unless TN C distribution is used In case we have parallel system with internal transformer it is recommended to install output switches o to enable sequential energizing of the di...

Page 58: ...Distribution MCCB b1 b2 Auxiliary Supply MCCB 4p o1 o2 unit output switch 4p NOTE Q3 Internal Maintenance Bypass can be used when total load single unit rating kVA Option o1 o2 unit output disconnect switch to enable single unit complete shut down for maintenance a b o should be 4poles unless TN C distribution is used ...

Page 59: ...nternal Maintenance Bypass can be used when total load single unit rating kVA Option o1 o2 unit output disconnect switch to enable single unit complete shut down for maintenance a o should be 4poles unless TN C distribution is used In case we have parallel system with internal transformer it is recommended to install output switches o to enable sequential energizing of the different transformers ...

Page 60: ...Supply MCCB 4p d Distribution MCCB o1 o2 unit output switch 4p NOTE Q3 Internal Maintenance Bypass can be used when total load single unit rating kVA Option o1 o2 unit output disconnect switch to enable single unit complete shut down for maintenance a o should be 4poles unless TN C distribution is used ...

Page 61: ...ernal Maintenance Bypass MCCB OS general output disconnect switch Rating N X unit rating kVA Internal Maintenance Bypass Q3 cannot be used should be locked to avoid any misuse Option o1 o2 o3 unit output disconnect switch to enable single unit complete shut down for maintenance a b o OS Q should be 4poles unless TN C distribution is used In case we have parallel system with internal transformer it...

Page 62: ...eneral output switch 4p Q External Maintenance Bypass MCCB 4p NOTE Q External Maintenance Bypass MCCB OS general output disconnect switch Rating N X unit rating kVA Internal Maintenance Bypass Q3 cannot be used should be locked to avoid any misuse Option o1 o2 o3 unit output disconnect switch to enable single unit complete shut down for maintenance a b o OS Q should be 4poles unless TN C distribut...

Page 63: ...tenance By pass MCCB OS general output disconnect switch Rating N X unit rating kVA Internal Maintenance Bypass Q3 cannot be used should be locked to avoid any misuse Option o1 o2 o3 unitoutputdisconnectswitchtoenablesingleunitcompleteshutdownformaintenance a o OS Q should be 4poles unless TN C distribution is used In case we have parallel system with internal transformer it is recommended to inst...

Page 64: ...itch 4p Q External Maintenance Bypass MCCB 4p NOTE Q External Maintenance By pass MCCB OS general output disconnect switch Rating N X unit rating kVA Internal Maintenance Bypass Q3 cannot be used should be locked to avoid any misuse Option o1 o2 o3 unit output disconnect switch to enable single unit complete shut down for maintenance a o OS Q should be 4poles unless TN C distribution is used ...

Page 65: ...ervice BP 30076 87002 LIMOGES CEDEX FRANCE www legrand com Legrand reserves at any time the right to modify the contents of this booklet and to communicate in any form and modality the changes brought to the same Installer stamp ...

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