User Manual UNB
Contents
1. edocs 24 O TROUBLES 9 cm 24 Te TECHNCACSPECIFIEATON S 25 7 1 Dimensional Drawings UNB5 0 12 5 KVA csccsisescustiiasincesincissouesacasnnddeactieanlstaceiiaradesemessivwadsimaceotinadlacmaddleaun 27 7 2 Dimensional Drawings UNB23 0kVA UNB30 0kVA amp 40 0 28 Vas MOTO UNBS OTZ 29 7 4 Photo UNB23 0 30 0 40 0kVA a 29 ELTEK VALERE INDUSTRIAL 2008 UM_UNB_E_R03 ELTEK VALERE Static Transfer Switch UNB alwayson User Manual Page 5 29 1 Safety Instructions and Waste Disposal Rules Warning Because several components of operating electrical modules are charged by dangerous voltage the improper handling of electrical modules may be the cause of accidents involving electrocution injury or material damages e Operation and maintenance of electrical modules must be performed by qualified skilled personnel such as electricians in accordance with EN 50110 1 or IEC 60950 e Install the module only in areas with limited access to unskilled personnel e Before starting work the electrical module must be disconnected from mains Make sure that the module Is earthed e Donottouch connector pins as they can be charged with dangerous voltage up to 30 seconds after disconnection e Only spare parts approved by the manufacturer must be used All electric modules mu2. ELTEK VALERE always STATIC TRANSFER SWITCH UNB USER MANUAL CANI ttt Tt ae THEE IB i IBN Ili Rs232 Wi q ea 1 l HI Hl Attention i IEEE 1 I 4 Switch off unit before 2 The mains input is not I LE installation internally fused k Isolate input and For short circuit protection 1 1 1 gente apply external fuse according 1 il il 1 t l output sides instruction manual UM UNB E R03 ELTEK VALERE alwayson Static Transfer Switch UNB User Manual Page 2 29 Notes to this manual ATTENTION Read this manual very carefully before installing and commissioning the specified module This manual is a part of the delivered module Familiarity with the contents of this manual is required for installing and operating the specified module The rules for prevention of accidents for the specific country and the general safety rules in accordance with IEC 364 must be observed The function description in this manual corresponds to the date of publishing Technical changes and changes in form and content can be made at any time by the manufacturer without notice There are no obligations to update the manual continually The module is manufactured in accordance with applicable DIN and VDE standards such as VDE 0106 part 100 and VDE 0100 part 410 The CE marking o
3. The UNB must be stored in a dry dust free environment with a storage temperature according to specified data see section 7 4 2 Commissioning Note Before commissioning the module make sure that the voltage level of both input sources and the battery voltage correspond to the values according to the type plate of the UNB To mount the inverter in a 19 compatible cabinet a mounting kit according to section 3 1 is necessary After un packing the unit put it upon the rails and slide in the unit carefully over the rails until the module connector gets in touch with the backplane connector Increase the pressure until the unit fits in completely Please avoid too much pressure If the unit does not fit in please start again with the complete slide in process Mount the unit with 4 screws M4x12 Caution The unit is delivered without internal fuses Therefore the unit has to be fused externally at the input source mains to protect the internal thyristors against damages in case of short circuit The pre fuse must be dimensioned according to the nominal output power of the UNB In case of inverters in parallel operation the out put of each inverter has to be fused 4 3 Operation The operation and adjustment respectively of the unit takes place with keys located at the front side of the unit All main functional parameters and measuring values are displayed on the front side LCD panel text indicator as well as with LED indications They
4. User Manual Page 9 29 3 1 Optional equipment for UNB assembly Article Article code Suitable for Mounting kit 880 MEC MKT O1 UNB5 0 amp UNB12 5 type series Mounting kit 880 MEC MKT 03 UNB23 0 UNB30 0 amp UNB40 0 type series 3 2 Front View and Operating Elements 3 2 1 Front view UNB5 0 12 5kVA CAN Connectors Digital Display eur not use LED Indications Adjustment Keys ELTEK VALERE INDUSTRIAL 2008 UM UNB FE R03 Static Transfer Switch UNB User Manual Page 10 29 3 2 2 Front view UNB23 0 30 0 40 0kVA Sub Min D not used Digital Display CAN Connectors LED Indications Adjustment Keys All operating elements and indicators are located at the front of the modules 4adjustment keys A up V down ESC ENTER ELTEK VALERE alwayson e 7LEDindications STANDBY SOURCE 1 SOURCE 2 SYNCHR LOAD ON INVERTER LOAD ON MAINS ALARM e Digital display For detailed information concerning operating elements LED indicators digital display and connectors please see the following chapters ELTEK VALERE INDUSTRIAL 2008 UM UNB E R03 ELTEK VALERE alwayson Static Transfer Switch UNB User Manual Page 11 29 3 3 Electrical Connectors 3 3 1 Input terminals The UNB is equipped with two AC inputs one for the inverter and the other for the substitute mains Both sources must have the same frequency
5. are described in the following 4 3 1 LED indication r ED Indication Colour Operation mode STANDBY green The UNB is switched on and operational Voltage and frequency of source 1 priority source are within allowable range Voltage and frequency of source 2 substitute source are within allowable range SOURCE 1 green SOURCE 2 green SYNCHR green Inverters are synchronised with mains by UNB LOAD ON INVERTER green Load fed by inverter LOAD ON MAINS green Load fed by mains General Alarm the assignment of the individual ALARM red alarm messages Is programmable ELTEK VALERE INDUSTRIAL 2008 UM UNB FE R03 ELTEK VALERE Static Transfer Switch alwayson UNB User Manual Page 19 29 4 3 2 Adjustment keys The adjustment takes place with the four front keys Front keys X Indication Function during menu item selection change to Up previous item parameter gt during adjustment mode increase value gt during menu item selection change to next Y Dawn item parameter during adjustment mode decrease value ESC Escape gt leave the menu without changing gt call menu ENTER a Enter leave menu with changing save parameter ELTEK VALERE INDUSTRIAL 2008 UM UNB FE R03 ELTEK VALERE alwayson Static Transfer Switch UNB User Manual Page 20 29 4 3 3 LCD panel Indication of measuring values amp alarm messages In the
6. initial state the display shows the measuring values of the input sources AC output voltage of inverter mains voltage output current date and time additional frequencies of inverter and mains and battery voltage as well as the total DC current 1 Inv volt 230V Mains volt 226V Outp curr 30A 26 04 07 14 29 A Alarm Messages Source fail Synchr error Ubatt gt warning v 2 Inv freq 50 0Hz Mains freq 49 9Hz Batt volt 54 4V DC curr 126 0A 3 Parameters Inv 1 Inp cur 21 0A Outp cur 4 0A Status OK Parameters Inv 2 curr 20 9A Outp curr 3 9A Status OK Parameters Inv 6 curr 21 1A Outp curr 4 0A Status OK The example above shows six registered inverters Display 1 shows the initial state basic display The plain text of the basic display becomes visible after a suc cessful start up procedure According to the diagram above you can select the displays 1 2 and 3 by pushing the keys A or V e no inverter is registered display 3 is not available e If exactly one inverter is registered display 3 is visible without inverter number e f more than one inverter is registered it is possible to call the parameters input current output current and status of all connected inverters in succession by pressing ENTER The inverter number is shown in the first line of the displ
7. inverted 6 _ DC supply L 24 48 108 216V DC I REMARK If the UNB works in combination with a single inverter or inverters in parallel operation it is necessary to connect through the synchronization bus contacts SYNC GND SYNC GND SYNC SIG SYNC SIG and SYNC STAT SYNC STAT between the inverter s and the UNB ELTEK VALERE INDUSTRIAL 2008 UM UNB FE R03 Static Transfer Switch UNB User Manual Page 14 29 always 3 3 5 Connectors UNB 30 0kVA amp UNB 40 0kVA ELTEK VALERE E of lo oJ lo oJ lo eS _ Z N d N rd N S lt PA NC S N D D AM e e Ed 3 3 3 NES e e e n 2 2 o p View from the rear UNB 30 0 40 0kVA 4 4 4 eo es eo es eo es 10 e6 e 10 e6 e 10 e6 e 11 e7 e 11 e7 e 11 e7 e 12 e 12 es e 12 Z j o o p Connector X1 Connector 2 Connector HAN K4 8 socket outlet Function 1 Sourcel inverter Phase L1 Source 2 substitute mains Phase L1 2 Source 1 inverter Phase L1 Source 2 substitute mains Phase L1 3 Source 1 inverter Phase L1 Source 2 substitute mains Phase L1 4 Nocomection 4 5 182 6 Synchronization SYNC GND_ 6 DC supply L 8 Synchronization SYNC STAT 8 No connection 1 9 jRemoteswichON 24AV 9 jNoconmectn 1 Function
8. is cooled with an internal fan The airflow is from the front to rear side The fan is monitored and speed controlled by device temperature For a sufficient airflow a minimum space A of 50 mm between the unit and the rear cabinet wall as well as an unobstructed influx of supply air from front side is necessary ELTEK VALERE INDUSTRIAL 2008 UM UNB FE R03 ELTEK VALERE alwayson Static Transfer Switch UNB User Manual Page 17 29 3 6 CAN Bus Communication Interface The UNB is equipped with a serial data interface according to CAN Controller Area Network specification Two CAN Bus connectors are integrated in the front plate of the unit The UNB communicates via CAN Bus with the connected inverters and a possibly implemented supervision moni toring device UPC3 or MU1000C Following information is available via the CAN Bus Status information of the UNB Availability of the connected inverters Availability of the substitute mains Output current of the UNB Device temperature Battery voltage at the UNB Frequency of source 1 and source 2 Input and output values of the connected inverters as follows o Input current Input voltage Output current Output voltage Output frequency o Device state okay not okay The values are measured at regular intervals via the CAN Bus and can be called in the display O O O O If the signal to one of the connected inverters Is interrupted the failure message CAN
9. Transfer Switch UNB User Manual Page 24 29 5 Maintenance In general the static transfer switch UNB is maintenance free A yearly inspection with following checks is simply recommended Correct fan operation Mechanical inspection Removal of dust and dirt especially on radiating surfaces Check for internal dust or humidity Attention Dust combined with dew or water may influence or destroy the internal electronic circuits Dust inside the unit can be blown out with dry compressed arr The intervals between those checks depend on ambient conditions of the installed module 6 Trouble shooting If a failure occurs in the system the LED Alarm is illuminated according to the adjustments in the customer menu Item Configuration of Collective Failures see diagram customer menu The failures are shown in clear text modus in the display Alarm messages The display Alarm messages can be entered from the basic display by pressing ESC please also see section 4 3 3 Basic display Inv volt 230V Alarm Messages Mains volt 226 V Source 1 fail Qutp curr 30A Synchr error 26 04 07 14 29 UP Source 1 fail Mains voltage or frequency not ok Check mains voltage inverter output voltage Source 2 fall Inverter voltage or frequency not ok Check inverter output voltage mains voltage to mains frequency of mains voltage is not stable out of frequency tolerance range CAN communication with one ore more Inverters faile
10. and the same nominal voltage level Because there are no protection fuses integrated in the unit both sources must be protected externally If several inverters are connected in parallel the parallel connection of the inverter outputs has to be arranged externally REMARK If inverters of series PWS are connected in parallel a symmetry choke per inverter additionally is to be installed into the L phase The AC input connectors are located on the rear side of the unit Because of the limited load capacity of the con nector pins the UNB with an output power of 23 0kVA is equipped with two connectors the 30 0 amp 40 0kVA unit with three connectors with several contact pins connected in parallel accordingly In that case the contact pins require an identical cable diameter and length This applies also to the AC output connection terminal which is described in the following Additional the UNB is equipped with a DC input for the connection with the battery of the system The internal electronic circuit of the UNB is supplied by mains and additionally by the battery redundancy The voltage level of the battery is monitored by the UNB the result is used for switching off the inverters in case of over under voltage The UNB measures and monitors the voltage level of both input sources real effective values and additional the frequencies The thresholds of those measuring values are programmable factory setting only practicable by skille
11. asic display by pressing ENTER for around 3 seconds and then press ENTER again Basic display A Inv volt 230V gt Inv freq 50 0Hz Mains volt 226V Mains freq 49 9Hz Outp curr 30A Batt volt 54 4V lt v DC curr 126 0A 26 04 07 14 29 Status OK A 74 Parameters Inv 1 cur 21 0A Outp cur 4 0A lt v gt 3 seconds V cust menu ENTER exit ESC ESC customer menu customer menu INV count INV count 00 A i site ESC time date gala configurat CF ESC save new value do not save new value A wv V with pressing ENTER leaf through customer menu gt customer menu weekday year month day time date e gt time date hour minute second ESC configurat CF q Mo 07 05 14 eo 5 delay LED CF 11 06 33 Y value Esci save new value A v do not save new value A list of all selectable individual Enter collective failures CF is shown customer menu configuration CF configuration CF th gt configurat CF gt Source 1 fail gt Source 1 fail on e previous page ESC delay LED CF delay relay CF ESC active inactive configuration CF configuration CF gt Source 2 fail Source 2 fail active inactive A v configuration CF configuration CF gt Ubatt gt warning gt Ubatt gt warning active inactive customer menu customer menu lt delay LED CF gt delay LED CF A 1916956 ESC decrease
12. ay The display will automatically revert to display 1 if no key is pressed for a period of more than 30 seconds Display 4 Alarm messages indicates the current alarm status It can be selected from display 1 or 2 by press ing ESC With pressing the keys A or W you can leaf through the list of alarm messages if more than three entries are pre sent there The display Alarm messages can be quit by pressing ESC again Basically factory setting all individual failures according to list of the selectable individual collective failures please see section 4 4 1 are switched active and therefore they are visible on the display in case of failure The alarm messages which shall not be visible on the display in case of failure are to be switched inactive in the cus tomer menu please see the diagram Customer menu ELTEK VALERE INDUSTRIAL 2008 UM UNB FE R03 ELTEK VALERE alwayson Static Transfer Switch UNB User Manual Page 21 29 4 4 Parameter adjustments REMARK The configuration of the system during commissioning takes place with the service menu 1 and 2 and the calibration menu They are code protected to guard against illegal parameter changes The special documents only are available for qualified and skilled service personnel In the following the adjustable parameters in the customer menu available for each customer are described 4 4 1 Table Adjustable Parameters customer menu In th
13. d Inverter failure detected via CAN Check admissible ambient temperature INV overload Actual output current exceeds the m increase INV power by additional inverter Ubatt warning Battery voltage warning level Check DC voltage system Ubatt gt warning Battery voltage gt warning level Check DC voltage system ELTEK VALERE INDUSTRIAL 2008 UM UNB FE R03 Static Transfer Switch UNB User Manual Page 25 29 7 Technical Specifications Type designation Material code AC input Nominal input voltage source 1 2 Input voltage tolerance Input frequency range Synchronization range Efficiency DC Voltage input Nominal battery voltage AC Output Nominal output voltage Nominal output power Overload capability Output frequency Switch transfer time Fusing Standard Features Monitoring functions LED indications Alphanumeric display Control keys Fault signalization Communication interface Remote switch ON ELTEK VALERE INDUSTRIAL 2008 ELTEK VALERE alwayson Please see section 1 Type List Main Data Please see section 1 Type List Main Data 220 230 240 adjustable 20 48 52Hz 58 62Hz adjustable 2Hz in combination with inverters of series PWS the range must be adjusted to 0 5 2 gt 99 Please see section 1 Type List Main Data 220 230 240 adjustable switch over threshold 5 to 20 adjustable Please see section 1 Type Lis
14. d service personnel 3 3 2 Output terminals The unit is equipped with a plug in AC output connection terminal In case of short circuit the short circuit power is transferred to the UNB input which causes the fuse of source 1 or 2 to blow The UNB may be overloaded only for short time see technical data In particular this is to be observed for the correct dimensioning of the pre fuse The pre fuse must be dimensioned according to the nominal output power of the UNB If the pre fuse is overdimensioned the resultant delayed fuse tripping may destroy the internal thyristors of the UNB The operation of the UNB in combination with inverters of series UNV The UNB measures and monitors the current of the consumer load In order to avoid a permanent overload of the inverters the UNB verifies the availability of the connected inverters and anew calculates the allowed total current of the consumer load If one of the inverters in parallel operation fails the overload threshold value automatically is reduced ELTEK VALERE INDUSTRIAL 2008 UM UNB FE R03 ELTEK VALERE Static Transfer Switch alwayson UNB User Manual Page 12 29 3 3 3 Connectors UNB 5 0 and UNB 12 5kVA O Lo 2 9 View from the rear UNB 5 0 12 5kVA wb ee Connector X1 HAN K4 8 socket outlet Source 1 inverter Phase L1 Source 2 s
15. delay relay CF Vii LCD contrast time in sec 30 ESC save new value v do not save new value Continuation Next page ELTEK VALERE INDUSTRIAL 2008 UM UNB FE R03 ELTEK VALERE Static Transfer Switch alwayson UNB User Manual Page 23 29 Continuation of the previous page customer menu Enter customer menu lt gt delay relay CF w gt delay relay CF A d ESC LCD contrast lt V LCD backlight Enter time in sec 30 8 ESC save new value A v do not save new value V Enter customer menu customer menu lt LCD contrast x c TET gt LCD contrast decrease ESC LCD backlight lt lt W value language Enter 220 save new value A v do not save new value customer menu A lt sdustrent language gt on Y Softw version Enter off k v ESC save new value do not save new value V customer menu Language A leaf through lt language gt english the Softw version german languages mp EN Enter polish ESC save new value do not save new value customer menu customer menu 2130320 lt INV count Firmware V x xx The final display provides information about the currently used firmware version ELTEK VALERE INDUSTRIAL 2008 UM UNB FE R03 ELTEK VALERE alwayson Static
16. e customer menu the parameters can be adjusted according to the table ar Range INV count Key in the number of the connected inverters 0 15 Time Date Adjustment of the real time clock Selection switching active inactive of individ Configuration CF ual failures for the collective failure signalisa failures All active tion General Alarm LED and Relay Delay LED CF LED time delay of the collective failure signal Delay Relay CF Time delay of the collective failure relay LCD contrast Contrast adjustment of the display 0 255 LCD backlight Background illumination On off English German Language Selection of the language Polish Swedish English Italian Softw version Shows the current firmware version Read only If the UNB works together with inverters of type PWS the INV count must be set to 0 because the PWS is not equipped with a CAN interface Otherwise the failure message Inverter fail would be generated ist of the selectable individual collective failures CF o Source 1 fail o Source 2 fail o Synchr Error o Inverter fail o UNBovertemp o UNB overload o INV overload o DC voltage low o DC voltage high o Ubatt warning o Ubatt warning ELTEK VALERE INDUSTRIAL 2008 UM UNB FE R03 ELTEK VALERE alwayson Static Transfer Switch UNB User Manual Page 22 29 4 4 2 Diagram Customer menu The customer menu can be entered from the b
17. e zero point of the voltage In case of synchro nization error between mains and inverters switching over takes place with a delay time of maximum 12ms Static transfer switches of series UNB are available for delivery with power rating of 5 0KVA to 40 0KVA and are to be used for the operation with inverters of series UNV and PWS Typical applications are the use in UPS systems designed with input side rectifiers battery circuit and output side inverters The UNB is a 19 compatible rack according to DIN41494 with rear side connectors The CAN bus connectors as well as any operating elements and indicators are user friendly integrated in the front plate of the unit 2 1 Example of use Static transfer switch UNB connected between inverter output side and mains 230Vac DC Bus Mains 230Vac L L Inverter Inverter UNB Static transfer switch bypass switch AC Output ELTEK VALERE INDUSTRIAL 2008 UM UNB R03 ELTEK VALERE alwayson Static Transfer Switch UNB User Manual Page 7 29 2 2 Operating modes The static transfer switch UNB is designed for the operating modes inverter priority and mains priority Source 1 always is the priority source i e the consumer load is energized by this source if the operating system works under fully functional conditions 2 2 1 Inverter
18. ed powder coating RAL 7035 front panel only black imprint con structive parts anodized metal UNB 5kVA 12 5kVA 483 133 360mm UNB 23kVA 30kVA 40kVA 483 177 460mm 4HU UNB 5kVA 12 5kVA approx 12 6kg UNB 23kVA approx 13 2kg UNB 30kVA approx 15 8kg UNB 40kVA approx 16 9kg Front side 2 x CAN Bus RJ11 1 x Sub Min D9 connector not used Rear side AC inputs output DC input and signalization UNB 5kVA 12 5kVA 1 x HAN K4 8 UNB 23kVA 2 x HAN K4 8 UNB 40kVA x HAN K4 8 IP20 front panel 1 acc to EN 60950 electr yes EN55011 55022 class EN61000 4 part 2 5 acc to EN60950 1 VDOO100 T410 VDOO110 EN60146 UM UNB E R03 J ELTEK VALERE always on Static Transfer Switch UNB User Manual Page 27 29 7 1 Dimensional Drawings UNB5 0 12 5 kVA OOND 483 mm 360 mm UM UNB FE R03 ELTEK VALERE INDUSTRIAL 2008 Static Transfer Switch ELI EK VALERE UNB always User Manual Page 28 29 7 2 Dimensional Drawings UNB23 0kVA UNB30 0kVA amp 40 0 kVA 17 mm 460 mm ELTEK VALERE INDUSTRIAL 2008 UM UNB FE R03 Static Transfer Switch J rob VALERE UNB User Manual Page 29 29 7 3 Photo UNB5 0 12 5kVA Please see first cover page 7 4 Photo UNB23 0 30 0 40 0kVA ELTEK VALERE INDUSTRIAL 2008 UM UNB FE R03
19. failure is indicated and the number of the particular inverter is shown The numbering of the inverters automatically follows the CAN ad dresses in ascending order which have been adjusted at the inverters The output voltage of the connected inverters Is controlled by the UNB via CAN Bus according to the adjusted value mains voltage in the service menu 1 factory setting only practicable by skilled service personnel When the CAN Bus connection Is inactive for more than 5 seconds the inverters automatically switch back to the internally stored default values The inverters are switched off by the UNB if Ubatt gt Umax default value 2 5V x number of cells or Ubatt lt Umin default value 1 7V x number of cells is detected by the UNB ATTENTION The internally stored value output voltage of the inverter Uo must be the same for all of the inverters which are connected in parallel and the same value must be adjusted at the UNB Detailed information regarding the adjustment of Uo can be found in the user manuals of the particular inverters The CAN bus is not relevant for the synchronization of the inverters For safety reasons the synchronization takes place via the hard wired synchronization bus between inverters and UNB please see section 3 3 3 ff connectors ELTEK VALERE INDUSTRIAL 2008 UM UNB FE R03 ELTEK VALERE alwayson Static Transfer Switch UNB User Manual Page 18 29 4 Handling 4 1 Storage
20. logic fault COM and NC closed OK COM and NO closed Is equal to the programming not inverted REMARK If the UNB works in combination with a single inverter or inverters in parallel operation it is necessary to connect through the synchronization bus contacts SYNC GND SYNC GND SYNC SIG SYNC SIG and SYNC STAT SYNC STAT between the inverter s and the UNB Function 1 JUNBOutpu Phasell 2 UNBOutput PhaseL1 3 UNBOutput PhaseLl 4 jNocomecion 5 jNocomecion 6 Nocomection 8 jNocomecion 9 QJNocomecin ELTEK VALERE INDUSTRIAL 2008 UM UNB FE R03 Static Transfer Switch UNB User Manual Page 15 29 ELTEK VALERE alwayson 3 3 6 Pinning of the CAN bus connectors The UNB is equipped with 2 CAN connectors CAN1 and CAN2 at the front of the unit CAN bus connector socket outlet RJ11 6 pole Pinning table Pn CANA CAN V4 DC Supply 8 15V 2 DC Supply 8 15V 3 CANH FF o WIL F 5 NY a 5 Y a 3 3 7 Connector Sub Min D 9 pole Additional a connector Sub Min D 9 pole is located at the front of the UNB OO X9 O 4 ODD REMARK This connector is not used ELTEK VALERE INDUSTRIAL 2008 UM UNB FE R03 ELTEK VALERE alwayson Static Transfer Switch UNB User Manual Page 16 29 _______ 3 5 Cooling Air flow direction The unit
21. n the module confirms compliance with EU standards 73 23 EWG low volt age and 89 339 EWG electromagnetic compatibility if the installation and operation instructions are followed Supplier ELTEK VALERE INDUSTRIAL GmbH Schillerstra e 16 D 32052 Herford a 49 0 5221 1708 210 FAX 49 0 5221 1708 222 Email Info industrial eltekvalere com Internet http www eltekvalere industrial com Copyright Eltek Valere Industrial 2008 All rights reserved ELTEK VALERE INDUSTRIAL 2008 UM UNB FE R03 ELTEK VALERE alwayson Static Transfer Switch UNB User Manual Page 3 29 Current revision status of this user manual Revision 03 Date 2008 06 05 Revision Description of change Date 01 First edition 2007 04 26 02 Layout change minor text modifications UNB30 0 inserted 3 Minor text modifications Remote switch ON added 2008 01 14 2008 06 05 ELTEK VALERE INDUSTRIAL 2008 UM UNB FE R03 ELTEK VALERE alwayson Static Transfer Switch UNB User Manual Page 4 29 Table of Contents 1 SAFETY INSTRUCTIONS AND WASTE DISPOSAL RULES U 5 A CENERACINEORMA TION 6 EN NOO U MERE m m 6 2 2 Operant MOTOS t 7 2 21 Inverter priority confie uratori sssaaa aee TE 7 2 2 2 Mains priority configuration 7 OS TAND MAIN DATA ee
22. priority configuration In the operating mode inverter priority the inverter works as source 1 and the substitute mains as source 2 This is the standard configuration factory setting Source 2 only is required to energize the consumer load if source 1 fails or is overloaded i e distortions by short circuit behaviour or overload The priority source is programmable in the service menu 2 2 2 2 Mains priority configuration In the operating mode mains priority the AC mains works as source 1 and the inverter in this case as substitute mains as source 2 ELTEK VALERE INDUSTRIAL 2008 UM UNB FE R03 Static Transfer Switch UNB User Manual ELI EK VALERE alwayson Page 8 29 3 Type List and Data Type Designation Material Code EM Voltage Voc UNB5 0 24 600 050 411 00 5 0 UNB5 0 48 600 050 511 00 is 5 0 Rated Output Power kVA 230VAc UNB12 5 24 600 125 411 00 12 5 UNB12 5 48 600 125 511 00 12 5 UNB12 5 60 600 125 611 00 12 5 UNB12 5 110 600 125 711 00 12 5 UNB23 0 24 600 230 411 00 23 0 48 UNB23 0 48 600 230 511 00 3 23 0 C Li os MEM UNB30 0 24 600 300 411 00 30 0 s 24 UNB40 0 48 600 400 511 00 40 0 UNB40 0 60 600 400 611 00 40 0 UNB40 0 110 600 400 711 00 108 40 0 See section 7 for detailed technical data ELTEK VALERE INDUSTRIAL 2008 UM UNB E R03 Static Transfer Switch E ELTEK VALE RE always on UNB y
23. st be disposed of separate from domestic waste at collecting points that have been set up by the government or municipal authority Separate collection is the precondition to ensure specific treatment and recycling of WEEE and is necessary to achieve the chosen level of protection of human health and the environment in the Community The above statement from EU directive 2002 96 EC applies to all electric modules installed within EU countries In countries outside the EU different rules may apply regarding waste disposal of electric modules For more information about waste disposal of your discarded equipment contact your ELTEK VALERE INDUSTRIAL partner ELTEK VALERE INDUSTRIAL 2008 UM UNB FE R03 ELTEK VALERE alwayson Static Transfer Switch UNB User Manual Page 6 29 2 General Information An electronic transfer switch is to be used if critical consumer loads have to be switched over nearly interruption free between two AC sources usually inverters and substitute mains with a reaction time which is not able to be reached with a manual mechanical bypass switch The electronic transfer switch guarantees the synchronization of frequency and phase of the inverter with mains and a switch over from the disturbed source to the alternative source within 0 5 to 4 0ms depending on the adjusted sensitivity factory setting only adjustable by skilled service personnel Switching over again takes place interruption free at th
24. t Main Data 1000 for 10ms acc to the input frequency lt 3ms External with rated current character gL voltage frequency of sources 1 and 2 synchronization mains Inverter over temperature CAN communication lost battery volt age Operation green source 1 OK green source 2 OK green load on mains green load on inverter green synchronization green collective alarm red LCD 4 x 16 characters background lighted A V ESC ENTER Text message on in addition 1 programmable isolated collec tive failure alarm relay max contact load lt 0 25Apc Vmax lt 150 0 5Apc Vmax 100Vpc CAN Bus for communication with inverters of type UNV available UM UNB E R03 Static Transfer Switch UNB User Manual Page 26 29 Environmental Ambient temperature Climatic conditions Dust Max installation altitude Audible noise Mechanical Type of construction Cooling Surfaces Dimensions W H D Weight Electrical connectors Applicable standards Type of enclosure protection class CE conformity Compliance to EMC standards Compliance to safety standards ELTEK VALERE INDUSTRIAL 2008 ELTEK VALERE alwayson operation 20 C to 55 C storage 40 C to 85 C acc to IEC 721 3 3 class 3K3 3Z1 3B1 3C2 3S2 3M2 1mg m 1500m lt 45dBA at 1m distance 19 compatible rack acc to DIN 41494 forced cooling with internal fan temperature regulated monitor
25. u uu uuu 8 3 1 Optional equipment for UNB assembly U U Y 9 3 2 Front View and Operating Elements 9 32 LFront view Aoi e 9 3 2 2 Front view UNB23 07 30 0740 0kVA LLL LLULLU t ette tuin rubus mes uev d Get 10 J El I i eO CL IE t T T 11 J N Dotar EO 11 m uu TE TOUT 11 3 3 3 Connectors UNB 5 0 and UNB 12 5kVA 12 33A Conmiec tors UNB erect ees 13 3 3 5 Connectors UNB 30 0kVA amp UNB 40 ORV A intrent bnt rtt haare L utu nantur a 14 SSOP iain Ol ME CAN DUS COS WS ERIT TO OO 15 3 3 7 Connector Sub Min D 15 SOOM 16 3 6 CAN Bus Communication Interface I I 17 seas see e 18 aia ng s c gt 18 OnO 2 18 a TEDDY iO L U RE t 18 J aj l Ji y gu 19 4 3 3 LCD panel Indication of measuring values alarm messages seen 20 44 Parameter MO TE OO 21 4 4 1 Table Adjustable Parameters customer 21 44 2 Diagram Customer TINS nU MEN 22 SN SEINE E
26. ubstitute mains Phase L1 UNB Output Phase L1 DC supply L 24 48 108 216V DC 6 DC supply L 24 48 108 216V DC 8 jSynchronzation SYNC STAT 9 Remote switch ON 24V Function logic OK COM and NO closed Is equal to the programming not inverted REMARK If the UNB works in combination with a single inverter or inverters in parallel operation it is necessary to connect through the synchronization bus contacts SYNC GND SYNC GND SYNC SIG SYNC SIG and SYNC STAT SYNC STAT between the inverter s and the UNB ELTEK VALERE INDUSTRIAL 2008 UM UNB FE R03 Static Transfer Switch ELI EK VALE RE always UNB User Manual Page 13 29 3 3 4 Connectors UNB 23 0kVA LL 1 1 3 3 2 2 4 e 4 e e e View from the rear UNB 23 0kVA oe ae a 2 N 4d Connector X1 Connector X2 HAN K4 8 socket outlet Bins I 2 3 DC No connection No connection Synchronization SYNC SIG 7 Synchronization SYNC STAT 8 jNocomecio 7 Indication relay general fault NC Remote switch ON 24 Indication relay general fault NO 10 Indication relay general fault 11 12 Synchronization SYNC GND 12 Nocomecio Function logic fault COM and NC closed OK COM and NO closed Is equal to the programming not
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