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1. 35 4 11 INSTRUCTIONS FOR COMPLETELY SHUTTING OFF THE UPS IN POWER SAVE 36 4 12 MANAGING THE UPS Medie 37 5 UPSINPARBALLEL 22 arci rine e ricevi ro rra c vd ac E i m 38 Bi PSIBEN EDU d EI UE DEED 38 TROUBLESHOOTING Eben tclta tenenti rra Een tta rivi razas E tacta 39 GENERAL AEARMS ierit d iade d tad da a eed aii uda 39 CASBOF THE FIRE 40 6 3 FAULIS RELATED 10 THE LORD oa Hat ena rab D echt 40 7 SCHEDULED MAINTENANCE 41 7 4 ANNUAL MAINTENANCE M 41 7 4 SCHEDULED COMPONENTS REPLAGEMENT 41 POWERTRONIX SpA reserves the right to modify this document without any notice Pag 3 di 41 FPOWERTRONIX Uninterruptible Power Supply 1 UPS GENERAL INFO 1 1 UPS GENERAL DESCRIPTION These UPS families have the compact construction with the outer metal frame and the electronic circuits and power components inside All user accessible elements an the control panel are placed on the front side The top and side covers can be removed giving an access to the internal part of the UPS for the service or maintenance purposes The front side of all units contains the user interface panel useful for monitoring maintenance and control The UPS has a air forced cooling system the air is going out to the back side
2. 4 Switch on the inverter Using menu 1 CONTROL MODE select Inverter ON OFF and press ENTER Check the correct operating status indicated by the green LED on the control panel 5 Battery connection After checking the correct polarity of the batteries close the battery panel switch It makes the connection between the batteries and the UPS circuits At this point the unit is in normal operating mode and guarantees uninterrupted power supply to the load It is suggested to simulate the short power failure to check the correct operation of the entire UPS battery system To perform this operation just open and then close the mains switch powering the UPS POWERTRONIX SpA reserves the right to modify this document without any notice Pag 33 di 41 FPOWERTRONIX Uninterruptible Power Supply 4 9 INSTRUCTIONS FOR SWITCHING SYSTEM IN POWER SAVE MODE TO MANUAL BYPASS MODE If for maintenance purposes or other reasons the UPS must be excluded from the system providing at the same time mains power to the critical load proceed as follows 1 Turn off the inverter Using menu 1 CONTROL MODE select Inverter ON OFF and press ENTER This turns off the inverter and uninterrupted supply is no longer guaranteed to the load 2 Close MANUAL BY PASS I3 switch Remove the padlock or any other mechanical safety lock from the switch and lift the knob to ON position 3 Open the INPUT MAINS I1 switch 4 Open the INPUT RESERVE I2 switch The load is
3. FPOWERTRONIX Uninterruptible Power Supply POWERTRONIX UNINTERRUPTIBLE POWER SUPPLY USER MANUAL VELA 50 60 kVA Document DT0419 English Ptx Revision Date Checked by Approved by 00 01 10 2007 01 10 2007 Riccardo G 01 10 2007 Andrea G Darek A 01 22 10 2007 22 10 2007 Gabriele P 22 10 2007 Andrea G 02 10 12 2008 10 12 2008 Andrea P 10 12 2008 Andrea G POWERTRONIX SpA reserves the right to modify this document without any notice Pag 1 di 41 FPOWERTRONIX Uninterruptible Power Supply INDEX ul 2 1 UPS GENERAL INFO ec d 4 1 1 PSdSENERALDESORIPTION 4 X MEI cr QE Ro iP m HI 4 1 1 2 JPONERANDAUTONDNY 4 1 1 3 SAFETY AND SIMPLICITY OF USE 4 1 2 CONFIGURATIONS AND OPTIONAL EQUIPMENTS eene 5 1 217 BASE CONFIGURATION 5 Lis BAHERYGOABINEL ito eave ere seer te ies 5 1 2 3 TRANSFORMER CABINET 5 1 2 4 CIRCUITS FOR REMOTE COMMUNICATION 6 125 UPS MANAGEMENT 6 To 7 1 4 REMOTE E P O PUSHBUTTON ec 7 T5 gt OPERATING n and si Ere tri tiri 8 15
4. INTERPRETATION DISPLAY EVENTS Displays maximum 1024 last events in chronological order DELETE EVENTS Removes all events stored in the UPS memory If no operation is performed for 3 minutes the 1 UPS STATUS AND ALARMS menu will be displayed 3 8 MENU 3 OPERATIVE LANGUAGE Using this menu option the user can change the panel language If no operation is performed for 3 minutes the 1 UPS STATUS AND ALARMS menu will be displayed 3 9 MENU 4 CLOCK Using this menu option the user can set the actual date and time If no operation is performed for 3 minutes the 1 UPS STATUS AND ALARMS menu will be displayed 3 10 MENU 5 UPS CONFIGURATION This menu entry is used to configure and adjust measurements results presented on LCD display and to test the relays board Access to this menu option has the authorized personnel only POWERTRONIX SpA reserves the right to modify this document without any notice Pag 26 di 41 FPOWERTRONIX Uninterruptible Power Supply 4 4 1 4 2 INSTRUCTIONS FOR THE UPS INTRODUCTION This chapter describes how to correctly use the system The UPS may be in one of the following operating conditions e Normal operation The load is supplied by the UPS The UPS is in normal operation and uses mains voltage to supply energy to the load and charge the batteries This mode guarantees complete uninterrupted power passed to the load Operation with internal automati
5. OUTPUT LOAD gt 3PH N BATTERY CAHRGER BATTERY CABINET 2443 2223 Fig 1 5 1 1 5 2 INPUT STAGE POWER MODULE AND OUTPUT STAGE From the input bars the mains voltage is connected through the MAINS INPUT switch to the power module The rectifier step up converter controlled by the control logic performs the AC DC conversion of the mains voltage during normal operating conditions or the DC DC conversion of the battery energy when the mains power is absent or not within the allowed range The DC voltage from the converter powers the inverter module which creates AC voltage adjusting the current depending on the load needs The last module is the automatic by pass It transfers the filtered and regenerated energy from the inverter module to the load during normal operating conditions or when UPS fault or overload occurs from reserve line still providing the energy to the load When disappears the cause which forced UPS to switching to the reserve line the by pass automatically switches the load to the inverter power source The filtered regenerated and stabilized mains voltage supplies the load through the UPS OUTPUT 14 switch Refer to the figure 1 5 1 POWERTRONIX SpA reserves the right to modify this document without any notice Pag 8 di 41 FPOWERTRONIX Uninterruptible Power Supply 1 5 3 LOGIC AND AUXILIARY CIRCUITS The control logic occupies the separate board CS0119 and
6. by the system or simply not present BY PASS OUT OF LIMITS The reserve is out of allowed specification it might be out of the range allowed by the system or with incorrect cyclic direction or not present EMERGENCY POWER OFF Displayed whenever the E P O button is pressed PARALLEL DATA EXCHANGE This alarm occurs when there is for any reason no FAILURE data exchange between UPS units in parallel It may be due to a missing or incorrect connection of one or more parallel fibers BATTERY CHARGER FAILURE Battery charger doesn t work properly or is not connected POWERTRONIX SpA reserves the right to modify this document without any notice Pag 25 di 41 FPOWERTRONIX Uninterruptible Power Supply 3 6 MENU 1 UPS COMMANDS Using this menu it is possible to control operation of the UPS All commands must be confirmed by the user by pressing ENTER MESSAGE INTERPRETATION INVERTER ON OFF The inverter will be permanently switched on or off It is necessary to switch on the inverter during unit startup or after the stop caused by permanent overload SWITCH LOAD Depending on the actual state the load will be switched to the reserve line or to the inverter BATTERY TEST An automatic 30 seconds long battery test will be executed If no operation is performed for minutes the 1 UPS STATUS AND ALARMS menu will be displayed 3 7 MENU 2 EVENTS HISTORY MESSAGE
7. capacitors also covered with metal panel POWERTRONIX SpA reserves the right to modify this document without any notice Pag 30 di 41 FPOWERTRONIX Uninterruptible Power Supply 45 INSTRUCTIONS FOR RETURN FROM MANUAL BY PASS MODE TO NORMAL OPERATION To return to normal operation from the manual bypass mode proceed as follows 1 Close the INPUT RESERVE 12 switch At this point if the supply of the reserve line is present and within allowed range the LCD display will switch on and also all UPS circuits will init their operations 2 Close UPS OUTPUT 14 switch 3 Open MANUAL BY PASS 13 switch At this point the load will be supplied from the reserve line Mount the padlock on the manual by pass switch I3 4 Close the INPUT MAINS I1 switch Wait for about 10 seconds In this time will be initiated progressive capacitors pre charge process which protects the mains from overload The INVERTER OFF message will appear on the LCD 5 Switch on the inverter Using menu 1 CONTROL MODE select Inverter ON OFF and press ENTER 6 Verify the UPS operating status Wait about 30 seconds after which the static switch should automatically switch the load from reserve line to inverter Check the correct operating status indicated by the green LED on the control panel 7 Battery connection After checking the correct polarity of the batteries close the battery panel switch It makes the connection between the batteries and the UPS
8. keys NEXT gt and BACK lt pressed simultaneously imply the ENTER command which is used to confirm the actual menu selection and to change the menu level To return to the previous menu level press the MENU key Each alarm indication on the display is followed by a sound signal which can be switched off by pressing ESC see figure 3 1b 3 3 UPS STATES AND ALARMS VISUALIZATION This menu state characterizes the first line of the message which can be UPS OPERATING if the UPS is operating normally or UPS ALARM if UPS experienced the alarm condition The meanings of the displayed messages are described below UPS NORMAL OPERATING CONDITIONS LCD MESSAGE MEANING MAINS WITHIN LIMITS MAINS OUT OF LIMITS The input mains line is on and the voltage is is not in the specified range BY PASS LINE WITHIN LIMITS BY PASS LINE The input by pass supply line is on and the voltage OUT OF LIMITS is is not in the specified range BATTERY VOLTAGE WITHIN LIMITS The battery voltage is within the specified limits BATTERY FAILURE INVERTER OPERATING The inverter is on and operating normally INVERTER BY PASS LINE SYNCHRONISED __ Indicates the normal synchronization status between the inverter and by pass line LOAD ON INVERTER The load is supplied by the inverter LOAD ON BY PASS LINE The load is supplied by the by pass line This may be a temporary condition which lasts 20 seconds a
9. load Obviously hazardous voltages remain inside the UPS panel To reset EPO mode the complete UPS shut down procedure is required POWERTRONIX SpA reserves the right to modify this document without any notice Pag 32 di 41 FPOWERTRONIX Uninterruptible Power Supply 4 8 INSTRUCTIONS FOR TURNING ON THE UPS IN POWER SAVE MODE This procedure must be followed to start the UPS beginning from a completely de energized state Prior to proceed make sure that all electrical connections of the system are controlled by authorized person and all external power breakers remain close Verify if MANUAL BY PASS 13 switch remains in OFF state down position and it s blocked mechanically with the padlock Verify if the direction of phase rotation for mains and reserve lines is correct For the switches explanations refer to the fig 4 3 If all of the points above have been verified you can proceed following the procedure below 1 Close the INPUT RESERVE I2 switch The LCD panel and all UPS logic boards will begin normal operation If the reserve line voltage parameters are correct the UPS fans will switch on 2 Close the UPS OUTPUT 14 switch The load connected to the UPS output will be supplied 3 Close the MAINS INPUT I1 switch Wait for about 10 seconds In this time will be initiated progressive capacitors pre charge process which protects the mains from overload The INVERTER OFF message will appear on the LCD
10. the installation and maintenance phases of the single groups The general manual by pass can be used to isolate the entire system without load supply interruptions Standard mains DISTRIBUTION PANEL Standard reserve 3Nn SNM The complexity of system requires opportune monitoring of the status of each UPS by remote or SNMP see chap 1 2 4 page 7 For additional information see the attached technical report DT0367 only for parallel systems POWERTRONIX SpA reserves the right to modify this document without any notice Pag 38 di 41 FPOWERTRONIX Uninterruptible Power Supply 6 TROUBLESHOOTING 6 1 GENERAL ALARMS In the event of a UPS fault the default screen will be replaced by one of the alarm messages shown in the table below Alarms Messages CAUSES ACTIONS INVERTER OFF Initial start up Start the inverter Permanent overload Check the output INVERTER OVERLOAD Continuous overload Check the output load and on UPS output restart the inverter Check the output short circuit STATIC SWITCH BLOCKED High transient loads on UPS Check the output load and output 3 failed switching restart the inverter attempts on inverter BATTERY FAULT Battery test not
11. 0 UPS BECK DIAGRAM 8 1 5 2 INPUT STAGE POWER MODULE AND OUTPUT STAGE 8 1 5 3 LOGIC AND AUXILIARY CIRCUITS iniiis 9 e OT SER Ree eR II 9 1959 MANUAL BY PASS 9 13 6 FRONT PANEL Pe 9 2 INSTALLATION INSTRUGTIONS ssccscsssisscssscscsscsssssccsscessasessssscnsstsssaneanuesncstuiasreceiascuscassacecsseesvateeantsnsrcscasttasnatieas 10 AMNCI 3 M Is e 10 2 2 REGEPTIONAANDIBENTIEIGATION Ep E ib tete tene itt 10 Es cc m 10 24 UPS POSIMONING 11 23 ROOM SPECIFICATIONS ccc 13 26 CONNECTIONS AND LAYOUT TO THE 14 Zt UPS AUX CONNECTIONS iita in qp qat cube a Pau da Rcs ond al erbe cire e rada 17 28 REMOTECOMMUNICATION BOARD actore ttt rt roe 18 201 REMOTE PANEL OPTIONAL iode nta bn spe i esa rus duh tub 19 2 8 2 UPS MANAGEMENT SOFTWARE etched ttt eU quebec dc 20 28 3 catt ud o a 20 UNES Pe Dee 20 8 GONTIROL PANEL 21 31 INTRODUC T n PH
12. 5 OPERATING THEORY The UPS described here is an on line dual conversion type UPS with automatic by pass in compliance with European standard EN62040 1 2 This UPS performs the dual conversion of the incoming voltage continuously and without interruption The absence of direct connection between mains and load eliminates the possibility of carrying disturbances from mains to the load The dual conversion technique guarantees to the load delivering energy regulated both in voltage and frequency thus ideal for the operation of professional applications When the input voltage exceeds the allowed range or more simply is not present the load is supplied by energy transferred from the batteries The system is supplied with an automatic by pass in the event of the UPS fault or overload the by pass connects the load directly to the mains via a reserve line making possible maintaining normal load operation without supply interruptions See the fig 1 5 1 1 5 1 UPS BLOCK DIAGRAM MANUAL BY PASS Na MANUAL BY PASS N 2 RESERVE LINE gt RESERVE LINE lt 2 lt z z RECTIFIER STEP UP CONVERTER INVERTER STATIC SWITCH a 5 n 4 MAINS INPUT oN
13. NEL OPTIONAL Remote panel is connected to the UPS via the terminal board M1 located on the remote communication board CS0118 connection diagram fig 2 8b This device is used for remote monitoring of the main UPS blocks the status of the main blocks is represented through LED and there is also an acoustic alarm which can be shut off with key 5 LED description 1 Green ON UPS LED If it s on the UPS is operating correctly If it s off indicates that one or more inverter section alarms are present acoustic alarm enabled 2 Yellow ON BATTERY LED UPS REMOTE MONITOR If it s on the UPS is operating on battery uson 0 acoustic alarm enabled ON BATTERY 3 Red LOW BATTERY LED If it s on indicates imminent end of battery discharge acoustic alarm enabled BYPASS 4 LOW BATTERY Q H 3 4 Yellow ON BYPASS LED ALARM SILENCE Cp MA5 If it s on indicates load supplied from reserve acoustic alarm enabled e 5 ALARM SILENCE key Used to switch off the acoustic alarm fig 2 7 2b 6 Green LED If it s on indicates correct power supply connected to the panel Male Connector HERPES CS0118 Relay Board EXT SUPPLY CS0118 UPS Relay REMOTE Board PANEL NOTE 1 i ON CS0118 COMMON TAGBLOCKS MUST BE LINKED TOGETHER 2797p 8p LL 4 9 12 POWERTRONIX
14. NS WxDxH mm GHT Kg 50 370 530 x 950 x 1220 ar Tab 2 4c For handling you need to remember that the machine unless special arrangements are made is shipped and thus handled thus you need to refer to the higher weight of the version used All the connections are located in the rear panel and can be reached by just removing the cover as shown on the fig 2 4 POWERTRONIX SpA reserves the right to modify this document without any notice Pag 11 di 41 FPOWERTRONIX Uninterruptible Power Supply Fig 2 4 shows the external connections Tepa y 1 PS INGRESSO INGRESSO SP USCITA PRINCIPALE RISERVA BATT BATT Looking at the front the cables input is located on the lower side and accessible after opening the main UPS door fig 2 5 For the cables connection according to the UPS configuration refer to fig 2 4 fig 2 4 111103 1113 Fig 2 5 CABLES INPUT POWERTRONIX SpA reserves the right to modify this document without any notice Pag 12 di 41 FPOWERTRONIX Uninterruptible Power Supply 2 5 ROOM SPECIFICATIONS The room where the UPS is installed must be clean it must have pollution class 2 and must be able to dissipate the heat produced by the machine as shown in table 2 5a Tab 2 5a Power Rated power Power dissipation KVA kW 50 4 60 4 8 For correct battery ventilation the room must be able to ensure an excha
15. OK Check the battery BATTERY TEST FAILED Check the battery fuses BATTERY PREALARM Battery almost discharged the Shut down the connected inverter is about to go off loads which are not vital STATIC SWITCH FAULT One or more output phases Check SCR of the by pass missing Check external connections of the by pass MANUAL BY PASS UPS in maintenance ENABLED MAINS NOT SUITABLE The switch is open Check the mains line voltage No mains input and the switch positions RESERVE NOT SUITABLE The rotation of the input phase Check the voltage of the by is not correct pass line No input voltage Check the network cyclic direction EMERGENCY STOP The EPO control has been Restart the UPS activated Completely close the switches and battery fuses wait until the LCD is completely off and then restart the UPS BATTERY CHARGER FAULT The is not correctly Call technical assistance connected or is broken NO PARALLEL DATA The machine is disabled due Call technical assistance EXCHANGE to no communication When an UPS experiences the fault which cannot be resolved and it is not able to guarantee uninterrupted power to the load perform an EMERGENCY BY PASS and then leave the machine isolated and off Call the technical assistance POWERTRONIX SpA reserves the right to modify this document without any notice Pag 39 di 41 FPOWERTRONIX Uninterruptible Power Supply 62 CASE OF THE FIRE In the almost impossible case of fire rememb
16. R Check the correct operating status indicated by the green LED on the control panel 6 Battery connection After checking the correct polarity of the batteries close the battery panel switch It makes the connection between the batteries and the UPS circuits POWERTRONIX SpA reserves the right to modify this document without any notice Pag 35 di 41 FPOWERTRONIX Uninterruptible Power Supply 4 11 INSTRUCTIONS FOR COMPLETELY SHUTTING OFF THE UPS IN POWER SAVE MODE If for maintenance or other reasons you want to completely shut off the system and leave the uses not fed proceed as follows 1 Turn off the inverter Using menu 3 CONTROL MODE select Inverter and press ENTER This turns off the inverter and uninterrupted supply to the uses is no longer guaranteed 2 Open LOAD circuit breaker In this situation the loads are not fed 3 Open the RESERVE INPUT 12 circuit breaker 4 Open the MAINS 12 circuit breaker 5 Disconnect the Battery At this point the load is supplied directly by the reserve network and inside the UPS there are not hazardous voltages except of the compartment covered with metal panel where the input and output cables are connected and for few minutes inverter DC and AC capacitors also covered with metal panel POWERTRONIX SpA reserves the right to modify this document without any notice Pag 36 di 41 FPOWERTRONIX Uninterruptible Power Supply 412 MANAGING THE UPS BATTER
17. SpA reserves the right to modify this document without any notice Pag 19 di 41 FPOWERTRONIX Uninterruptible Power Supply 282 UPS MANAGEMENT SOFTWARE This software is used to monitor the conditions of the UPS via a PC connected to the system by the supplied cable For more information on the installation and use of the software see the user manual which came with it 283 REMOTE E P O PUSHBUTTON Particular attention must be paid to the external connection of buttons or actuators for the EPO function emergency stop This connection is composed of a series or normally closed switches which open the series if commanded generating the stop of the UPS with the consequent and irreversible interruption of voltage to the load The series of external EPO buttons must be connected to the CN3 terminal board of the relay board CS0118 Fig 2 8 3 If there are no external EPO contacts to the system jumper JP5 must be enabled fig 2 7 4 The default configuration with any ext E P O connected has the connector CN3 shortened with a wire connection it must be removed as well as the jumper JP5 when one or more ext is connected to the board as described above NG normulmenie zhiuso clase Fig 2 7 4 2 9 EARTH CONNECTION The earth input cable must be connected to the earth terminal of the UPS and must be always the first cable to be connected It is advisable to insert an appropriate antioxidant between the earth ba
18. WHICH CONNECT THE UPS MAINS AND RESERVE INPUT TO THE DISTRIBUTION PANEL ARE OPEN AND DISCONNECTED MAKE SURE THAT THE BATTERY PANEL SWITCH IS OPEN PUT WARNING SIGNS ON THE DISTRIBUTION PANEL AND BATTERY PANEL TO PREVENT ACCIDENTAL ACTIONS If not required the UPS is supplied with mains and reserve line in parallel fig 2 6c It is possible to separate them by removing the connecting bars Before connecting the UPS it is necessary to make sure that the mains voltage and frequency match those indicated on the adhesive plate located on the rear side of the UPS input voltage operating frequency etc make sure that the earth connection of the system fully complies with the requirements of IEC standards or local laws After that install four pole circuit breakers upstream and downstream from the UPS with the following specifications rating equal or greater than what is indicated on the label on the UPS rear kVA specifications in compliance with IEC standards or local laws for Curve circuit breakers The connections must be created using a flex cables with the section as recommended in a table below P KVA A C A C A D C D C A 50 KVA 16 76 50 140 60 KVA 25 91 70 166 POWERTRONIX SpA reserves the right to modify this document without any notice Pag 16 di 41 POWERTRONIX Uninterruptible Power Supply 27 UPS AUX CONNECTIONS The communications bo
19. Y In addition to the battery voltage and current measurements displayed in menu 2 MEASUREMENTS it is also possible to test the battery efficiency without any interruption to the load The test uses the input thyristors to lower the converter voltage until the battery discharge threshold if the latter is efficient at 2V el it starts to providing current In case of battery failure the message BATTERY TEST FAILED will be displayed on the LCD In this situation call the technical assistance centre POWERTRONIX SpA reserves the right to modify this document without any notice Pag 37 di 41 FPOWERTRONIX Uninterruptible Power Supply 5 5 1 UPS IN PARALLEL SYSTEM SET UP The installation of many UPS in parallel requires creating one or more panels of the single UPS The type of panel created guarantees different levels of operation based on the complexity of the adopted solution The typical normally suggested solution is described below which guarantee complete operation of the system fig 5 1 Disconnections are included on all the power lines of the single groups disconnection of the their return line and protection of the batteries Moreover it is advisable to set up a general by pass for the system for this purpose implementation of a functional interlocking device is recommended This interlocking device is necessary to prevent damage to the system The indicated solution permits all the testing operations in
20. ages it is necessary to open also the battery switch which is not present on the UPS Also remember about the presence of potentially charged capacitors inside the converter It means that you must wait for at least 10 min before accessing to the internal parts of the UPS POWERTRONIX SpA reserves the right to modify this document without any notice Pag 27 di 41 FPOWERTRONIX Uninterruptible Power Supply A A ATTENTION A A THE SWITCH IN DOWN POSITION MEANS THAT THE CIRCUIT IS OPEN THE SWITCH IN UP POSITION MEANS THAT THE CIRCUIT IS CLOSED The figure 4 3 presents all the switches in OFF position mans E f 11 MAINS ATTENTION All the operations described below can be executed by authorized electrician or qualified personnel only POWERTRONIX SpA reserves the right to modify this document without any notice Pag 28 di 41 FPOWERTRONIX Uninterruptible Power Supply 4 3 UPS START UP PROCEDURE This procedure describes how to setup the UPS to normal operation starting from the system completely de energized Prior to proceed make sure that all electrical connections of the system are controlled by authorized person and all external power breakers remain close Verify if MANUAL BY PASS 13 switch remains in OFF state down position and it s blocked mechanically with the padlock Verify if the direction of phase rotation eu for mains and rese
21. ards are mounted over the power circuits breakers The standard equipment is composed of the remote communication board CS0118 and set up for the SNMP board It is possible to connect a second optional communication board CS0118 in addition to the standard as shown in a fig 2 7 Communication board cap 2 7 1 Communication board Optional SNMP board Optional POWERTRONIX SpA reserves the right to modify this document without any notice Pag 17 di 41 POWERTRONIX _ Uninterruptible Power Supply 2 8 REMOTE COMMUNICATION BOARD Remote communication board is used to allow connection between the UPS and external devices The board has a series of voltage free contact terminals M1 which can be connected to a dedicated synoptic panel chap 2 8 1 acoustic or visual warning devices or remote signaling systems One or more remote EPO buttons chap 2 8 3 can be connected via the other two contacts CN3 On the card are present two jumper they must be configured as below JP5 gt CLOSED JP6 gt OPEN Lastly it is possible to connect the system to a PC via a DB9 CN1 connector and use the specific software chap 2 8 2 fig 2 8a RELAYS BOARD EXTERNAL CONNECTIONS LOW BATTERY MAINS NOT OK fig 2 8b MANUAL BYPASS INVERTER ON POWERTRONIX SpA reserves the right to modify this document without any notice Pag 18 di 41 FPOWERTRONIX Uninterruptible Power Supply 281 REMOTE PA
22. be activated with using the MANUAL BY PASS 13 switch located in the front part of the UPS refer to chapter 4 In normal operating conditions this circuit breaker remains in rest position protected with the mechanical lock the padlock 1 5 6 FRONT PANEL The UPS can be managed via the front panel Using the panel it is possible to execute the commands display states and measurements and reset the alarm circuits The panel is equipped with an LCD screen used to display the operating status of the UPS the load and all types of measurement see chapter 3 POWERTRONIX SpA reserves the right to modify this document without any notice Pag 9 di 41 FPOWERTRONIX Uninterruptible Power Supply 2 INSTALLATION INSTRUCTIONS 21 GENERAL INFORMATIONS This chapter describes the system installation procedures and lists the following subjects 2 2 Reception and identification 2 3 Storage 2 4 UPS positioning 2 5 Room specifications 2 6 Arrangement and connection to mains 2 7 UPS Auxiliary connections 2 8 Earth connection 2 2 RECEPTION AND IDENTIFICATION After removing the packing visually inspect inside and outside the UPS and battery module if included to check for any damage that could occur during shipping If there is any damage inform the shipper or retailer immediately Check the supplied material against the packing slip The machine has an adhesive identification plate indicating the type power and serial number it is loca
23. c by pass The load is supplied by the mains In the event of an inverter fault and or overload the power to the load is provided by the reserve line This mode does not guarantee complete uninterrupted power passed to the load Operation with maintenance manual by pass enabled The UPS is disabled The load is connected directly to the mains through the maintenance or emergency manual by pass line This mode does not guarantee complete uninterrupted power passed to the load Battery operation The load is supplied by the UPS The UPS is in normal operation and uses the battery energy to supply the load due the mains voltage absence This mode guarantees complete uninterrupted power passed to the load POWER SWITCHES The system maintenance elements are located behind the front doors installed horizontally and described in order from left to right side refer to the fig 4 3 MAINS INPUT SWITCH I1 connects the UPS to the mains voltage RESERVE INPUT SWITCH I2 connects the UPS to the reserve line voltage MANUAL BYPASS SWITCH I3 allows disconnecting the entire UPS and providing mains supply to the load This switch is protected with the small padlock to avoid accidental use UPS OUTPUT SWITCH I4 connects the UPS to the load Above has been described UPS switches There are also battery breakers placed inside battery module and in every external battery module To completely isolate the unit from hazardous volt
24. circuits POWERTRONIX SpA reserves the right to modify this document without any notice Pag 31 di 41 FPOWERTRONIX Uninterruptible Power Supply 46 INSTRUCTIONS FOR COMPLETE SHUTDOWN OF THE UPS If for maintenance purposes or other reasons the UPS must be switched off and do not supply the load proceed as follows 1 Select menu 1 CONTROL MODE Select the item Transfer load to reserve network and press ENTER From this moment the load is supplied directly from the reserve network 2 Turn off the inverter Using menu 1 CONTROL MODE select Inverter ON OFF and press ENTER This turns off the inverter and uninterrupted supply is no longer guaranteed to the load 3 Open UPS OUTPUT 4 switch Power supply to the load is not supplied 4 Open the INPUT RESERVE I2 switch 5 Open the INPUT MAINS I1 switch 6 Disconnect the battery At this point the load is supplied directly by the reserve network and inside the UPS there are not hazardous voltages except of the compartment covered with metal panel where the input and output cables are connected and for few minutes inverter DC and AC capacitors also covered with metal panel 47 E P 0 EMERGENCY POWER OFF STOP The purpose of the emergency stop is to completely shut down the UPS if necessary with the resulting instant switch off the static switch from both reserve and inverter sources This eliminates any power presence at the UPS output and in consequence at the
25. er to only use or powder extinguishers Always activate the emergency BY PASS and completely shut off the machine disconnecting the battery panel as well 6 3 FAULTS RELATED TO THE LOAD Many times normal UPS reactions to the non standard load or installation environment are incorrectly recognized by the users as the UPS faults The most common situations are described below The UPS is left with load supplied by the reserve line even if the inverter section is operating correctly this may occur on excessive absorbed peak current It causes the major drop down voltage which if is repetitive leads to the switching load to the reserve line The system after three failed attempts to switch and return to the inverter blocks the static switch on the reserve line to protect the inverter therefore it is necessary to study the load current and eliminate the causes of the overcurrents The repetitive peak current should not exceed 2 5 times the effective value The accuracy of the UPS output voltage is not optimal this may depend on an excessively unbalanced and or distorting load POWERTRONIX SpA reserves the right to modify this document without any notice Pag 40 di 41 FPOWERTRONIX Uninterruptible Power Supply 7 SCHEDULED MAINTENANCE The UPS while its lifetime requires scheduled maintenance cycles to maintain operating reliability and efficiency Scheduled maintenance must be performed by the company which provided t
26. fter short overload UPS MASTER Controls the other UPSes in parallel system UPS SLAVE Controlled by another UPS in parallel system Table 3 3 For units in parallel system only POWERTRONIX SpA reserves the right to modify this document without any notice Pag 23 di 41 FPOWERTRONIX Uninterruptible Power Supply 34 MEASUREMENTS To access to this section press ESC pushbutton on the main menu The operator can now check the value of the following electrical measurements by using the arrows lt or gt V in phase neutral V in phase phase Input current V out phase neutral V out phase phase Output current Battery Frequency UPS Temperature Power UPS configurations If no operation is performed for 3 minutes the UPS STATUS AND ALARMS menu is displayed reserve line Y voltage reserve line voltage between lines UPS input three phase currents n n HH UPS output Y voltage UPS output voltage between the lines output current at load battery voltage and current UPS output frequency Cabinet temperature Power measured at the output of the UPS Power save output frequency 50 60Hz POWERTRONIX SpA reserves the right to modify this document without any notice Pag 24 di 41 FPOWERTRONIX Uninterruptible Power Supply 3 5 UPS IN FAULT CONDITIONS If the UPS experiences the fault the normal status message will be replaced with the alarm one An alarm message will differ de
27. he machine or company specialized and trained on the system by the seller 7 1 ANNUAL MAINTENANCE OR performed EVERY SIX MONTHS IN THE CASE OF UNITS IN CRITICAL APPLICATIONS The following actions and tests are performed while the scheduled maintenance cleaning the machine cleaning the control logic and interface boards checking the tightening of all nuts and bolts and electrical connections UPS and battery testing the ventilation efficiency testing the inverter output wave form testing output voltage frequency testing synchronization testing signals alarms and EPO tripping display calibration with calibrated instrument operating test of manual switches and automatic devices operating test of switching circuits power failure test of UPS line battery efficiency test and test of correct battery charger operation 71 SCHEDULED COMPONENTS REPLACEMENT Every three years the axial 120x120 mm fans with continual service and centrifugal fans need to be replaced the power electrolyte capacitors need to be replaced every four years e The AC power capacitors need to be replaced every 6 years POWERTRONIX SpA reserves the right to modify this document without any notice Pag 41 di 41
28. interruptible Power Supply 1 24 CIRCUITS FOR REMOTE COMMUNICATION Remote communication board the code 50118 gives possibility of monitoring and communicating with UPS Monitoring can be implemented with the PC and dedicated software or through a remote panel There are also voltage free contacts available on the terminal board M1 more info at page 18 Me 8 IIS 125 UPS MANAGEMENT SOFTWARE The UPS MANAGEMENT Generex communication software allows interaction between UPS and PC or the network based on Windows Win NT Novell 052 Dec and Linux operating systems The software is used to monitor and control parameters of one or more UPS units supplying the network more info at page 22 POWERTRONIX SpA reserves the right to modify this document without any notice Pag 6 di 41 FPOWERTRONIX Uninterruptible Power Supply 1 3 REMOTE PANEL The remote panel is used for remote viewing of the UPS state it shows the status of the main UPS blocks with LED indicators and the sound signalization in the case of alarm conditions more info at page 21 1 4 REMOTE E P O PUSHBUTTON The remote E P O push button provides the safe remote way to fast and full disable the unit running in the event of an emergency more info at page 22 POWERTRONIX SpA reserves the right to modify this document without any notice Pag 7 di 41 FPOWERTRONIX Uninterruptible Power Supply 1
29. ion of the entire UPS battery system To perform this operation just open and then close the mains switch powering the UPS POWERTRONIX SpA reserves the right to modify this document without any notice Pag 29 di 41 FPOWERTRONIX Uninterruptible Power Supply 44 INSTRUCTIONS FOR SWITCHING SYSTEM TO MANUAL BY PASS MODE If for maintenance purposes or other reasons the UPS must be excluded from the system providing at the same time mains power to the critical load proceed as follows 1 Select menu 1 CONTROL MODE Select the item Transfer load to reserve network and press ENTER From this moment the load is supplied directly from the reserve network 2 Turn off the inverter Using menu 1 CONTROL MODE select Inverter ON OFF and press ENTER This turns off the inverter and uninterrupted supply is no longer guaranteed to the load 3 Close MANUAL BY PASS I3 switch Remove the padlock or any other mechanical safety lock from the switch and lift the knob to ON position 4 Open the INPUT MAINS I1 switch 5 Open the INPUT RESERVE 12 switch The load is supplied directly from the mains through the manual By Pass 6 Open UPS OUTPUT switch 7 Disconnect the battery At this point the load is supplied directly by the reserve network and inside the UPS there are not hazardous voltages except of the compartment covered with metal panel where the input and output cables are connected and for few minutes inverter DC and AC
30. located on the front panel A remote E P O optional switch can be connected to UPS to provide remote emergency power off action The UPS state can be easily monitored with the personal computer and an interacting program optional or through the remote panel optional especially when the UPS is installed in unmonitored areas Refer to the chapters 1 2 5 1 2 6 POWERTRONIX SpA reserves the right to modify this document without any notice Pag 4 di 41 FPOWERTRONIX Uninterruptible Power Supply 1 2 CONFIGURATIONS AND OPTIONAL EQUIPMENTS 1 2 1 BASE CONFIGURATION The UPS is available in the following configurations Six pulses configuration 50 60 kVA 12 pulses configuration 50 60 kVA 12 pulses configuration low THD 50 60 kVA 1 2 2 BATTERY CABINET If required the UPS can be furnish with additional optional battery cabinet to increase the autonomy All the batteries will be mounted in a separate cabinet with opportune dimensions complete of power circuit breaker and protections 1 2 3 TRANSFORMER CABINET If required there is available a galvanic isolating transformer positioned in a separate cabinet The standard transformer is three phase three phase or single phase single phase or three phase single phase with 1 1 ratio but it can be supplied with a different transformation ratio upon customer request POWERTRONIX SpA reserves the right to modify this document without any notice Pag 5 di 41 POWERTRONIX Un
31. master UPS in the parallel system for its identification as a master the normal operation is indicated by flashing green LED 3 2 LCD CONTROL PANEL Fig 3 1b LCD panel picture ESC PUSH BUTTON To switch off the buzzer MENU PUSH BUTTON 00222 LLLLLLLLL To return to the previous Retum to th menu or to enter into Dearly previous main menu from the alarm display BACK PUSH BUTTON NEXT PUSH BUTTON To scroll among the menu and the sub menu Pressing them both at the same indicates ENTER command Measurements scrolling During normal UPS operation the control panel presents the series of messages to indicate the operating status of the components of the system therefore the operator is informed in real time also with sound signal about any faults occurred in the system Table 3 1b summarizes the list of available menus MENU N NOTES COMMAND MODE 1 Inverter switch on and off static switch battery test EVENTS HISTORY 2 Displays the log of events and alarms OPERATING LANGUAGE 3 Enables the change of interface language CLOCK 4 Date and time settings UPS CONFIGURATION 5 Measurements adjustments and relays board test Table 3 1b POWERTRONIX SpA reserves the right to modify this document without any notice Pag 22 di 41 FPOWERTRONIX Uninterruptible Power Supply It s possible to move among 5 menu positions listed above using the NEXT gt or BACK lt keys Both the
32. nge of air equal or greater than the value shown in table 2 5b Tab 2 5b Air exchange only for battery hydrogen Air exchange for Air exchange for Air exchange for 15 auton 30 auton 1h auton m3 h m3 h m3 h 10 19 32 Remember the average life of the batteries is closely correlated with the operating temperature a temperature of around 20 C is normally recommended when the temperature rises above 20 for each 10 higher the battery life drops by 5096 POWERTRONIX SpA reserves the right to modify this document without any notice Pag 13 di 41 FPOWERTRONIX Uninterruptible Power Supply 2 6 CONNECTIONS AND LAYOUT TO THE MAINS For connection to the mains a layout solution like the one shown in diagram 2 6 is recommended The circuit breakers B C D are magnetothermic type without differential protection or if this is required with a triggering current greater than 0 3A delayed and suitable for load with DC current type A Switch A is used as external BY PASS RESERVE LINE mi 2 lt z 2 m E B a Standard mains BATTERY 1 Standard reserve M H I H BTI fig 2 6 BATTERY CABINET POWERTRONIX SpA reserves the right to modify this document without any notice Pag 14 di 41 FPOWERTRONIX Uninterruptible Power Supply The control parts and all the power connections of the UPS in question need to be able to permanently support the c
33. of the cabinet The terminal block for the electrical connection to the mains reserve load external batteries and the main circuits breakers are located on the front side of the unit 1 1 1 UPS APPLICATIONS The new UPS family was designed to provide stabilized and filtered power especially for supplying sophisticated and sensitive electronic devices i e for data processing systems Vela UPSes can be used to supply electronic systems of medical centers police stations motorway tunnels broadcasting stations banks technical and administrative offices requiring the power source free from voltage and frequency variations 1 1 2 POWER AND AUTONOMY Thanks to its modular design the UPS models are available with rated power from 50kVA to 65kVA For all the size of the family are not available the internal battery an or more external battery modules can be used to increase the UPS autonomy 113 SAFETY AND SIMPLICITY OF USE All the UPS elements available for user daily maintenance are insulated and disconnected from hazardous voltages Control of the overload and excessive temperatures guarantees the immediate and most suitable intervention in the case when one of these conditions occurs during operation The operator can view the UPS status on the front panel and perform shut down or switching operations easily see chap 3 The unit is provided with the E P O Emergency Power Off This function is activated by pressing the button
34. pending on the type of fault which occurred Activated sound signal can be switched off by pressing the ESC key The ENTER lt gt key can be used to display the list of indications which let the operator to understand the meaning of the alarm The lt BACK or NEXT gt keys can be used to scroll through all the active alarms When the alarm cause disappears the LCD will return to the default message ENTER ALARM UPS ALARM CAUSE BACK or The possible alarms and associated with them help messages are listed below ALARM MESSAGE MEANING INVERTER OFF The load is no longer supplied by the inverter and subject to any mains failures INVERTER OVERLOAD The inverter is off due to an overload and the load is supplied by the reserve network STATIC SWITCH LOCKED After 3 unsuccessful automatic switching attempts from the reserve to inverter the UPS blocks the static switch in the reserve network position BATTERY TEST FAILURE Displayed whenever the periodic test on the battery fails for any reason BATTERY PRE ALARM At the battery voltage of around 345V the UPS warns the user of a low battery voltage At 320V discharging ends and the UPS switches off STATIC SWITCH FAILURE At least one of output phases is missing MANUAL BYPASS ON The manual bypass switch has been closed MAINS OUT OF LIMITS The mains voltage is out of allowed specification it might be out of the range allowed
35. r and lug to keep the accurate contact over time All of the cabinets and accessories must be earthed in accordance with local regulations A A WARNING A A INADEQUATE EARTH CONNECTION MAY CAUSE A RISK OF ELECTRIC SHOCK TO PERSONNEL OR OF FIRE POWERTRONIX SpA reserves the right to modify this document without any notice Pag 20 di 41 FPOWERTRONIX Uninterruptible Power Supply CONTROL PANEL 3 1 INTRODUCTION The control panel is located on the upper front part of the UPS and it s used for easily check the general status of the UPS and batteries and related alarms The panel contains an LCD screen which indicates the operating status measurements and alarms of the UPS and the red EPO button located on the right side below the display The display panel shows text messages and operating parameters on an LCD screen with 4 lines and 20 characters per line The screens are organized in 5 multi level menus which can be selected using the membrane buttons under the LCD display fig 3 1a On the left side of the display there are two LEDs the green one called NORMAL and a red one called ALARM The actions of the LED are summarized in the table 3 1a POWERTRONIX SpA reserves the right to modify this document without any notice Pag 21 di 41 FPOWERTRONIX Uninterruptible Power Supply STATUS UPS OK Alarm present Alarm stopped ON OFF ON OFF ON OFF Tab 3 1a On the control panel of
36. represents the intelligence of the UPS It manages operations of the step up converter inverter and by pass based on feedback signals taken from the power module The control logic also manages the other three boards the battery charger auxiliary power supply and signal interface The battery charger handles recharging of the outside batteries connected to the UPS The signal interface receives the signals from the control logic and converts them into the protocol required by the front panel of the UPS and also the relays board Going backwards the selected commands from the front panel automatic by pass forcing and or relay board EPO are sent from the signal interface to the control logic which interprets them and performs desired operation like switch on off inverter or shut down the unit The signal interface except controlling standard relays board can also control another optional one The auxiliary power supply supplies all the boards and electronic components in the UPS 154 BATTERIES The battery set provides energy to the system when the input mains is out of the allowed range or not present in all other cases batteries are constantly recharged by the charger module In this way the batteries are always ready for use when required 1 5 5 MANUAL BY PASS The manual by pass is useful in the situations when it is necessary to disable the UPS and keep the load supplied by the mains i e UPS stopped fault etc can
37. rve lines is correct For the switches explanations refer to the fig 4 3 If all of the points above have been verified you can proceed following the procedure below 1 Close the INPUT RESERVE I2 switch The LCD panel and all UPS logic boards will begin normal operation If the reserve line voltage parameters are correct the UPS fans will switch on 2 Close the UPS OUTPUT 14 switch The load connected to the UPS output will be supplied with the power provided by the reserve line 3 Close the MAINS INPUT I1 switch Wait for about 10 seconds In this time will be initiated progressive capacitors pre charge process which protects the mains from overload The INVERTER OFF message will appear on the LCD 4 Switch on the inverter Using menu 1 CONTROL MODE select Inverter ON and press ENTER In this way the inverter will be activated 5 Verify the UPS operating status Wait about 30 seconds after which the static switch should automatically switch the load from reserve line to inverter Check the correct operating status indicated by the green LED on the control panel 6 Battery connection After checking the correct polarity of the batteries close the battery panel switch It makes the connection between the batteries and the UPS circuits At this point the unit is in normal operating mode and guarantees uninterrupted power supply to the load It is suggested to simulate the short power failure to check the correct operat
38. supplied directly from the mains through the manual By Pass 5 Open UPS OUTPUT switch 6 Disconnect the battery At this point the load is supplied directly by the reserve network and inside the UPS there are not hazardous voltages except of the compartment covered with metal panel where the input and output cables are connected and for few minutes inverter DC and AC capacitors also covered with metal panel POWERTRONIX SpA reserves the right to modify this document without any notice Pag 34 di 41 FPOWERTRONIX Uninterruptible Power Supply 4 10 INSTRUCTIONS FOR RETURN FROM MANUAL BY PASS MODE TO NORMAL OPERATION IN POWER SAVE MODE To return to normal operation from the manual bypass mode proceed as follows 1 Close the INPUT RESERVE 12 switch At this point if the supply of the reserve line is present and within allowed range the LCD display will switch on and also all UPS circuits will init their operations 2 Close UPS OUTPUT 14 switch 3 Open MANUAL BY PASS 13 switch At this point the load will be supplied from the reserve line Mount the padlock on the manual by pass switch I3 4 Close the INPUT MAINS I1 switch Wait for about 10 seconds In this time will be initiated progressive capacitors pre charge process which protects the mains from overload The INVERTER OFF message will appear on the LCD 5 Switch on the inverter Using menu 1 CONTROL MODE select Inverter ON OFF and press ENTE
39. ted on the right door fig 2 2 POWERTRONIRA www powertronixit Tel 39 2 90 96 86 48 VELA 5 0123456789 INPUT OUTPUT 192 Nom Volt 400v Nom Volt 400 32 x12V Phase 3PH N Phase J3PH N Freq 50Hz Freq 50Hz KW Max Curr 100 Curr 87A KVA Fig 2 2 23 STORAGE If the system is not going to be installed immediately it must be stored in an environment with adequate protection against excessive humidity and sources of extreme heat from 5 to 40 C humidity less than 95 without condensation If the battery module is supplied also make sure that no more than 6 months pass between one battery recharge and the next Once this period of time has elapsed temporarily hook the UPS up to the mains and run it for the time needed to recharge the batteries POWERTRONIX SpA reserves the right to modify this document without any notice Pag 10 di 41 FPOWERTRONIX Uninterruptible Power Supply 24 UPS POSITIONING All the size and configurations are developed in the same cabinet with the characteristics described in the tables 2 4a b c below 6 PULSES VERSION STANDARD usd DIMENSIONS WxDxH mm WEIGHT Kg 50 196 2 530 x 950 x 1220 ES Tab 2 4 12 PULSES VERSION o DIMENSIONS WxDxH mm WEIGHT Kg 50 330 2 530 x 950 x 1220 Tab 2 4b 12 PULSES VERSION LOW THD ee WEIGHT UL DIMENSIO
40. ts 21 3 2 LOD CONTROL lc PE 22 3 3 UPS STATES AND ALARMS VISUALIZATION eene 23 3 44 zs ge 24 SEMI EDU 25 3 6 MENU T UPS OOMMANEDS 26 3 7 MENU 2 EVENT S IS TORY 26 3 8 MENU 3 OPERATIVE LANGUAGE 6 ono 26 39 CLOCK iioii a re ree A ete 26 3 10 UPS CONFIGURATION 26 POWERTRONIX SpA reserves the right to modify this document without any notice Pag 2 di 41 FPOWERTRONIX Uninterruptible Power Supply 4 INSTRUCTIONS FOR THE iati ten max or aa ca rk rra rris d e 27 be tua 27 2 POWER SWITCHES Banana 27 UPS START UP PROCEDURE 29 44 INSTRUCTIONS FOR SWITCHING SYSTEM TO MANUAL BY PASS 30 45 INSTRUCTIONS FOR RETURN FROM MANUAL BY PASS MODE TO NORMAL OPERATION 31 46 INSTRUCTIONS FOR COMPLETE SHUTDOWN OF THE UPS ennt 32 Ay E P O EMERGENCY POWER OFF STOP 32 48 INSTRUCTIONS FOR TURNING ON THE UPS IN POWER SAVE 33 49 INSTRUCTIONS FOR SWITCHING SYSTEM IN POWER SAVE MODE TO MANUAL BYPASS MODE 34 410 INSTRUCTIONS FOR RETURN FROM MANUAL BY PASS MODE TO NORMAL OPERATION IN POWER ici A0 i
41. urrent shown in tab 2 6 UPS power Mains input Reserveinput Useroutputs Battery discharge kVA Imax A Imax A Imax A current A 50 75 76 76 140 60 90 91 91 166 Tab 2 6 WARNING A IN ADDITION TO THE CIRCUIT BREAKER AND PROTECTION IT IS ADVISABLE TO SET UP AN APPROPRIATE CHANGE OVER CONTACT ON THE INPUT SIDE OUTSIDE THE UPS TO PROTECT AGAINST VOLTAGE RETURNS AS INDICATED IN TABLE 2 6 AND THE FOLLOWING DRAWING If necessary for the Vela series 50 60kVA a system against voltage return needs to be created in the UPS distribution panel as shown in diagram 2 6b A general mains circuit breaker switch C automatic switch or at least a fuse for the mains B automatic switch or at least a fuse for the reserve network K3 protection contactor against return voltage K1 K2 additional relays on the change over contact coil supply UPS L1 RESERVE L2 RESERVE L3 RESERVE NEUTRAL DISTRIBUTION PANEL A B BE 12 L3 NEUT 1 okt pl pls dp Ch Ki K2 L1 MAINS L2 MAINS zi L3 MAINS NEUTRAL fig 2 6b POWERTRONIX SpA reserves the right to modify this document without any notice Pag 15 di 41 FPOWERTRONIX Uninterruptible Power Supply A A WARNING A A BEFORE CONNECTING THE UPS MAKE SURE THAT THE LINES

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