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UNINTERRUPTIBLE POWER SUPPLY User Manual

1. UPS 1 UPS 2 UPS 3 phase II Insert the new UPS power connections in the distribution panel and keep it switched off UPS 3 SWI cont position II Phase III Remove adaptor B and insert the new UPS instead of the adaptor UPS 1 UPS 2 UPS 3 III Now switch on UPS 3 the added UPS page 48 57 OMNMHTM25RUENUA O bis powerprotection With the lever of SW1 in the start position in one UPS only and the lever in the cont position on all the others check that all the UPSs are operating normally and that the system is sharing the output power Example of hot removal With hot removal it is not necessary to shut down all the UPSs of the system in order to remove one A UPS parallel cable type RJ45 B RJ45 female RJ45 female shielded adaptor cable UPS BYPASS CABLE UPS 1 UPS 2 UPS N B if the UPS to be removed has 5 in the start
2. LED side connector side JI RJ45 type connector J2 RJ4d type connector SWI start position connector side type 1 LED side type 2 Cont position LED side type 1 connector side type 2 LED on SWI start position off SWI Cont position Firmware update All the parallel connected UPSs must have the same firmware version Press key 7 from the basic menu on AN the display panel to display the firmware version installed For the expansion of an existing system check that the system has the same firmware version as the new MASTER HP OMNMHTM25RUENUA page 41 57 O Ris powerprotection Using the cable with two RJ45 terminals provided with each UPS A make the connections as shown below single MASTER HP configured in parallel If it is required to use a UPS that has been configured as a parallel unit on its own the signal card must be jumpered with the cable provided as shown below UPS PARALLEL CABLE RJ45 type connector RJ45 flat adapter signal parallel card U P S LED on SW start position Di OD gt L m 7 wo two MASTER HPs _in parallel D UPS1 LED on UPS2 LED off E SW start position UPS1 SW Bb cont position UPS2 UPS 1 UPS 2 page 42 57 OMNMHTM25RUENUA CC Ris powerprotection three MASTER HP
3. OMNMHTM25RUENUA page 51 57 LO ue powerprotection This page is left blank lt ly 4 page 52 57 OMNMHTM25RUENUA O Ris powerprotection 6 General characteristics MASTER HP Power kVA Mechanical Data 160 Width mm Depth height mm 850 1900 Ventilation Forced Max current dispersion 300mA max Noise at 1m from front 0 100 load dBA 65 65 68 68 68 Applicable Standards Refer to the Safety and Compliance Manual supplied with the UPS OMNA141_NE Electrical Data 120 160 INPUT Rated voltage 400VaciS phase Rated voltage tolerance with battery recharge 20 10 100 load 20 520 485 load 420 30 75 load 20 p40 65 load Rated frequency Hz gy 50 60 Input frequency tolerance from 45 to 65Hz Rated current absorbed 400 V A Alfa NA 69 226 281 Rated power absorbed 400 V kVA 98 117 156 195 bh Maximum current absorbed at full load and 9 190 254 2 with battery recharging A Power factor at rated voltage 400 V and battery charge from 25 to 100 of thedoad Current Harmonic Distortion THD1 with mains THDV lt 1 load 25 lt 8 4 gt 50 lt 5 5 gt 13 lt 3 Progressive start of rechter Power Walk in configurable 01205 Delay of progres rt of rectifier Power configurable 0 120s Walk in delay time MASTER HP Power kVA Electrical Data 160 INTERMEDIATE D C CIRCUIT Monoblocks Number of Pb elements 40 240 Ripple voltage wit
4. UPS STATUS 1 Normal Operation Master unit with message Parallel signal cable fault appears on the panel 2 Normal operation Slave units with message J Parallel signal cable fault on the panel 3 Normal operation Slave units with message Parallel signal cable fault on the panel N B in this situation the load is powered correctly All the MASTER HP supply power to the load Let us assume that the signal cables betw en UPSs 1 3 and 2 3 are opened UPS STATUS 1 Normal operation Master unit with ES message Parallel signal cable fault on the panel 4 2 Normal operation Slave units with l message Parallel signal cable fault on the panel 1 2 3 3 Disconnected TLI open SCRs off Slave units with message INTERNAL FAULT 10 on the panel N B In this situation the load is only A x X x powered correctly by UPSs 1 and 2 ZA To restore the broken signal cable first the UPS with the message INTERNAL FAULT 10 on the panel has to be shut down page 46 57 OMNMHTM25RUENUA O Ris powerprotection 4 7 By pass for maintenance observe the following precautions when operating SWMB SWMB must not be closed on a UPS that is off and that is connected in pa
5. Bat tery charge inhibition Inhibition of synchronization with backup mains Battery disconnector contact page 56 57 When there is a generator this allows its output power to be used only to supply the load and not also to recharge the battery To be used when the frequency of the generator or of the backup mains is highly unstable and it is thus preferred to inhibit the synchronization of the inverter Displays the status of the battery disconnector OMNMHTM25RUENUA Standby ON Battery test Battery test with rectifier on Manual battery charging Activation of block on Bypass Inhibition of block on bypass Inverter ON OFF Rectifier off UPS SN Ri powerprotection Forces the selection of the UPS Standby ON operation This is done with the contact kept closed if reopened the command is cancelled Starts the automatic battery test when the UPS is in normal operation Any automatic battery test underway is terminated immediately This is achieved by switching the contact from open to closed Starts the manual battery test that continues until a block command is received or until the full discharge of the battery Terminates any manual battery test underway This is achieved by switching the contact from open to closed Starts the single first time recharge Terminates the first time charging underway This is achieved by switching the contact from open to closed Byp
6. 19 do POLANCO PON O O u AAA OS 19 3 3 2 EPO connector emergency power off control ooooonnccnnnccnnncnnnncnnnnnananononnnnnnnnnnnanannnnnnnnancnnnnnnnnss 19 33 REMOTE COMMANDS AND RT AE 20 E 70 AE A EE 21 3 3 5 SLOTS 2 1 the following cardsimay be inserted optional 22 3 3 6 REMOTE ALARMS 2 11 Birdel EEN 22 S37 MODEM OPONE AAA ER LA id 22 3000 MUCH ALO 000 E o o de ar lo cd dolo sn 23 3 3 9 Battery tempef ture sensor OPI a 23 3 3 10 Dual Bus ACA UGS OPONE is 23 ISALI SWOL IE Ve 0 m uuu Du uuu u m aaa aan ae 23 SE UATE UD TAO EE 23 SAD RK De On COCR A A aan ada 20 PONCE IO O a dass 27 De LN gt UE E TACONES CN dit 27 57 AD 7 EE 27 3 5 3 Standby off with mains present the load is NOt powered 28 3 5 4 Stabilizer operation in on line mode without batter 28 3 5 5 Frequency converter from 50 to 60Hz Or vice versa 28 DOr Persona AA OS iia 29 3 7 Procedure to transfer the load from UPS onto maintenance by pass 29 3 10 CWS OANG EE 30 5 A pA A yE Saaus2sss 31 3 10 Components of the block diagrams 32 d MASTER HP IN PARALLEL CONFIGURATION 33 GG WEE 35 OMNMHTM25RUENUA page 7 57 5 6 Z YES powerprotection Ae ee EE 36 E A e 36 EE EE 36 423
7. Emereency power Off QEVICE EROS AA A A A AAA 36 424 Falerna mamtenance Dy DS aide 37 4 3 Mains load and battery CONNECTIONS ooccccccncoonnnnnnnnonnnnnnnnnnonnnnnnnnnnonnnnnnnnnnnnnannnnnnnnnnanoss 38 4341 UPS AC input output p wer CONNECTION LAA AAA 38 E E 39 4A CONNECTION OF SID AAA AAA AAA 4 4S Sar EE 44 AO E 45 af BYPASS SOMAN ENANA CO As 47 MAINTENANCE EENS e E 51 GENERAL CHARACTERISTICS EE We d 53 APPENDIX A REMOTE COMMANDS AND ALARMS CARD SR Eeselen 56 page 8 57 OMNMHTM25RUENUA O Ris powerprotection 1 Preliminary operations 1 1 Removing the packaging and positioning the device On delivery the packaging must be inspected to ensure that it is whole and that it has not been crushed or dented Check in particular that neither of the two impact resistant devices on the packaging is red if one of them is red follow the instructions on the packaging The essential details of the device are provided on the shipping document The marking weight and dimensions of the various items making up the packing list are shown Check the state of the device by means of a visual inspection of both the inside and the outside Any dents seen mean that it has suffered knocks during shipping which could compromise the normal operation of the device 1 2 Storage In the following situations installation not immediately after delivery de installation and storage while awaiting relocation place t
8. PES powerprotection Input line without neutral The transformer must be inserted either on the mains supply line or on the by pass line as shown in the drawings MAINS LINE OPTIONAL Single power line without neutral BY PASS LINE E SE UPS a a MAINS LINE main power supply and separate by pass without neutral Input and output line without neutral If the inptitline and the load are three phase without neutral type and only in this case a kit to create the signabneutral optional may be used The kit may only be used by a specialized technician A gt OPTIONAL A MAINS LINE OMNMHTM25RUENUA page 17 57 O Ris powerprotection Battery connections BATTERY CABINET if present The battery cabinet must be provided with a sectioning device to be connected to the UPS This disconnector must be closed only when the UPS is started up regularly During connection to the UPS the disconnector must stay in the open position max 3 battery cabinet 5 Ga Up to 3 battery cabinets can be connected in parallel in accordance with the diagram below Battery cabinet O E Q D O D D m 22 CABINET DISCONNECTOR For systems with 4 or more battery cabinets us a Battery switch cabinet where the cables can be
9. not provided N A On the MASTER HP the jumper on the EPO terminals page 19 must be removed and the Wises from the auxiliary contact of the button must be connected in place of the jumper The contact must be closed with the button in the rest position and must open when the butt n is pressed 3 2 Mains load and battery connections The operations described in this chapter must be carried out exclusively by a specialized technician The first connection to be made is the earthsconductor The MASTER HP MUST N Z OPERATE WITHOUT AN EARTH CONNECTION Before making the connection open AM he Switches on the device and ensure that the UPS is completely isolated from the power sources battery and AC power line More specifically check that the UPS input lime or lines are completely isolated the battery cabinetidiscomnector fuse if present is open all the URS disconnectors SWIN SWBY SWOUT and SWMB are in the open position position 0 check with a multimeter that there are no dangerous voltages on the terminal board For connection of the power cables to the terminal boards refer to the INSTALLATION DRA WINGS provided with the UPS and with the battery cabinet if present Input neutral The power supply to the MASTER HP input by pass line must be three phase with neutral The neutral conductor is necessary only on by pass line page 16 57 OMNMHTM25RUENUA
10. parallel connected refer to the marketing department For the sizing of the cables and connection procedures refer to the INSTALLATION DRAWING attached to the battery cabinet Battery cabinet Battery cabinet Q O CG O Ka 3 D m CMU ME For back up times requiring a greater number of Battery cabinets contact the marketing department page 18 57 OMNMHTM25RUENUA Pang UPS DIRECT powerprotection 3 3 Connection of signals and remote commands In order to access the interface cards open the door and remove the protection panel secured with screws K as shown in the drawing O wom A PARALLEL optional B EPO emergency power off control 4 lt C REMOTE COMMANDS AND ALARMS I I D RS232 2 E RS232 1 F SLOT 2 aux G SLOT 1 main H REMOTE ALARMS optional I REMOTE ALARMS optional L MODEM optional or MUL M BATTERY TEMPERATURE S N UGS optional P SWOUT aux Q SWMB aux tional S optional llel optional 1 A To be or the connection of UPSs in parallel configuration See the chapter parallel version on page 35 3 3 2 EPO connector emergency power off control B If the jumper on the connector is opened the voltage
11. 150Ah 250A type 6 3 1 5 Backfeed protection O The MASTER HP is provided with a device to prevent voltage backfeed on the s due to an Internal fault This protection device works by switching off the inverter if the curre OW is y thereby causing voltage backfeed on the by pass line during operation from the inverter If the Gre the UPS is operating from the battery the load will not be powered 3 type aR Should it be required to avoid the shutting down of the inverter even in the event of a double fault the system can be 0 0 C upstream by reprogramming one of the relays on the REM O eep the load powered by the inverter ntrol the opening coil of a switch located ANDS AND ALARMS card The control logic allows the function of the relay to Be reconfigured for example for the backfeed alarm and then the free voltage contact can be used to control the trigg gie M a switch located on the UPS input 3 1 6 Emergency power e EPO The UPS is pre set to be connected to a remote emergency power off device as laid down in standard EN 62040 1 2 If the remote device not supplied with quipment is activated the inverter output voltage is cut The connection procedure is shown below calera add SESE E EE ee ae i 6 ANE OMNMHTM25RUENUA page 15 57 CC Ris powerprotection UPS a EPO terminal board located on the UPS b EPO switch
12. Check that all the parallel connected MASTER HPs are on close the disconnector or the fuses on the battery cabinets onlywheu the following message is no longer shown on the first line of the display panel Wait DO NOT connect the BATTERY FOR OPERATION WITH A SINGLE BATTERY ONLY Check the letter X on the second line of the display panel Example UPS type X OUT YYY VA BATT YYY Ah 5 ON or OFF N B the UPS with a capital X B or Roms the MASTER unit The X on the MASTER unit may be O X B the parallel battery odehasa lready been inserted Only the battery capacity valuedras to be inserted see below O X P the parallel batteryaicode must be inserted by pressing keys 3 5 in sequence on the control panel and the code 467123 repeat the same sequence to disable the parallel The UPSs connected t the One in which the code is inserted will be automatically configured through the parallel cable the lettes b will be displayed on all the UPSs This configures the value of the battery capacity only this value must be inserted on the MASTER UPS which will send the information to the other units via the signal cable G Close SWMB e UPS 1 and check that the whole system switches onto the by pass line the bypass LED on unitl will flash while ifmus be on steady on the other UPSs then open switch SWMB again Wait a few seconds then check that the UPST returns to NORMAL OPERATION Repeat thi
13. additional cabinets The battery cabinet must be provided with a sectioning device and a protection device magneto thermal switch oradisconnector with fuses The load is powered with the energy accumulated in the battery when there is no MAINS present black out or when the mains goes outside the acceptance field frequency or voltage In this phase of operation the energy required by the equipment connected to the UPS output is supplied by the battery which has previously been charged The alphanumeric PANEL at the front of the UPS shows the expected residual BACKUP TIME calculated according to the power supplied and the state of charge of the batteries The value provided is merely indicative since the power required by the connected load may change during discharging The backup time can be increased by disconnecting some of the connected equipment When the remaining backup time goes lower than the value preset as the END OF BACKUP TIME PRE ALARM factory set at 5 minutes the buzzer increases the sound frequency while the yellow BATTERY LED starts flashing in these conditions it is advisable to save any work in progress After this time the MASTER HP will interrupt the power supply to the loads When the MAINS is restored the UPS automatically restarts and starts recharging the batteries page 32 57 OMNMHTM25RUENUA PES powerprotection INVERTER This is the output stage the function of which is to convert the direct voltage from
14. be advisable to install an external maintenance by pass This device which is housed in a cabinet the same height as the UPS consists of two disconnectors one for the output and one for the by pass these are sized for the total power of the system The new disconnector located on the by pass line S must be provided with auxiliary contacts one for each UPS The position of the contact is opposite to the position of the switch thus the contact must be closed when the disconnector is open The contacts of each disconnector must be connected to the corresponding UPS terminals as shown in the diagram OMNMHTM25RUENUA page 37 57 O Ris powerprotection 4 3 Mains load and battery connections All the information contained in the section Mains load and battery connections page 16 in relation to the UPS remains valid with the addition of the information set out below 4 3 1 UPS AC input output power connection Refer to the INSTALLATION DRAWINGS manual for information on how to select the cable sections for each UPS Observe the phase connections Phase L1 of the system must be connected to input phase L1 on all the UPSs all the output phases L1 mu
15. equipment and for any extraordinary maintenance is defined with the term specialized technician This definition covers personnel that in addition to the requirements listed above for a general operator must also 1 have been suitably trained by the manufacturers or their representative 2 be aware of installation assembly repair and service procedures and havema specific technical qualification 3 must have a background of technical training or specific training relating to th pro edures for the safe use and maintenance of the equipment Emergency interventions The following information is of a general nature First aid interventions Company regulations and traditional procedures should be followed for any first aid intervention that may be required Firefighting measures 1 Do not use water to put out a fire but only fire extinguishers that are suitable for use with electrical and electronic equipment 2 If exposed to heat or fire some products may release toxic fumes into the atmosphere Always use a respirator when extinguishing a fire page 4 57 OMNMHTM25RUENUA O Ris powerprotection GENERAL PRECAUTIONS This manual contains detailed instructions for the use installation and start up of the MASTER HP Read the manual carefully before installation For information on using the MASTER HP the manual should be kept close at hand and consulted before carrying out any operation on the device This
16. mains failure the load may be powered from the inverter using the energy stored by the batteries if present Frequency converter MAINS present load powered The load is always powered through the inverter with stabilized voltage and frequency using the energy from the input mains The by pass line is disabled and must not be connected the connections between the main supply line and the by pass line on the input bars must be removed SWMB Do not use disconnector SWMB when the UPS is configured as a Frequency Converter N B the disconnector can be padlocked in order to ensure that it is not used page 28 57 OMNMHTM25RUENUA O Ris powerprotection 3 6 Personalizations Using the CONTROLS PANEL from the basic menu press keys 3 and 5 and the access code 436215 the following factory set electrical parameters can be modified within a certain field Language value of the RATED VOLTAGE OUTPUT BATTERY parameters end of battery discharge pre alarm shutdown due to power lower than a set value daily programmed shutdown acceptance frequency and voltage field on the BY PASS line by pass frequency field modem configuration RS232 1 and RS232 2 ports standby on operation Smart active operation date and time 3 7 Procedure to transfer the load from UPS onto maintenance by pass Procedure not applicable in the frequency converter With several MASTER HPs connected in par
17. position one of the other UPSs UPSZ1T or UPS2 must be in thez tart position UPS 1 UPS UPS 3 II OnesDPS in the system must have SWI in the start Position and LED Phase I Shut down the UPS UPS 1 UPS 2 3 that Is to be removed Remove the signal cables of the UPS to be removed III Phase II III Connect the RJ45 female RJ45 female shielded adaptor cable not provided between cables A Check that all the UPS are operating normally and that the system is sharing the output power OMNMHTM25RUENUA page 49 57 LO ue powerprotection ch This page is left blank intentionally Ww page 50 57 OMNMHTM25RUENUA O Ris powerprotection 5 Maintenance The uninterruptible power supply is designed and produced to last a long time even in the most severe service conditions It should be remembered however that this is electrical power equipment which requires periodic controls Moreover some components have a limited lifespan and as such must be periodically checked and replaced should conditions so dictate in particular the batteries the fans and in some cases the electroly
18. second maximum fuse at the UPS output for selectivity fuse size for type gG fuse A 40 40 63 6 80 fuse size for type aM fuse A At least five feeders are necessary in order to use the UPS at rated load with fuses of type gG To sum up when there is a shortcircuit on the output there are two alternatives if only the line affected by the shortcircuit is to be isolated let us consider the example of the 200k VA selectivity with both mains power supply and battery power supply 4 the load has to be shared between at least five feeders each sized at 20 ofthe rated power selectivity with mains power supply only since it is considered unlikely that after a first fault aSecond fault will occur in the limited time of operation from the battery it is sufficient to share the output between two lines each sized for 50 of the ratedpower 3 1 3 Differential RCD If the MASTER HP protection against electric shoek uses differential current devices RCD these have to have the following characteristics Sensitivity 300mA sensitive direct current and unidirectional components class A or class insenSittWe to transient current pulses delaWgreater than or equal to 0 1 s A neutral In the standard version without isolating transformer on the by pass line the neutral from the mains power supply is connected to the output neutral of the UPS THE ELECTRICAL SYSTEMS UPSTREAM AND DOWNSTREAM OF
19. the RECTIFIER or from the BATTERY into stabilized sinusoidal alternating voltage The inverter output is isolated from the input and from the batteries by a galvanic isolation transformer The inverter is always working since the load connected to the UPS output is always powered by the INVERTER in NORMAL OPERATION STATIC SWITCH This device allows the synchronized switch automatic or manual and in zero time of the power supply to the load from a protected line inverter output to an unprotected line by pass line or vice versa The MASTER HP is provided with a device to prevent the backfeed of voltage to the input line after an internal fault known as BACKFEED PROTECTION MANUAL MAINTENANCE BY PASS SWMB This is a maintenance disconnector The UPS can be excluded by closing SWMB and opening the other disconnectors SWIN SWBY SWOUT while keeping the load on the output powered This operation is necessary when maintenance operations must be carried out inside the equipment without interrupting the power supply to the load The disconnector is sized for the rated power of the UPS OMNMHTM25RUENUA page 33 57 LO ue powerprotection This page is left blank meri 9 Ww page 34 57 OMNMHTM25RUENUA E E UPS DIRECT powerprotection 4 MASTER HP in parallel configuration 4 1 Introduction MASTER HPs may be connected in a parallel configuration to increase both the reliability of the power supply to
20. the load and the power available in output Up to 8 UPSs can be parallel connected It is recommended to connect units of the same power The load that can be applied to a system with several units connected in parallel may be greater than the by pass by pass load that can be supported by each individual unit ia E thanks to automatic power sharing The reliability is 330 ee only increased provided that the total power of the system with one unit deactivated remains greater than 9 the required power This condition can be achieved by always adding a redundant unit Having a redundant unit means having one more UPS than the minimum number of elements required to power the load so that if a faulty unit is automatically excluded power is still supplied correctly The UPSs connected in parallel are coordinated by a card which ensures the interchange of information The information is exchanged between the UPSs via a cable connecting them in a loop The loop connection provides redundancy in the connection cable communication in the cables between the individual units This is the most reliable means of connecting the UPS and also allows the hot insertion or disconnection of a UPS Each UPS has its own controller that continuously communicates with the whole system so as to guarantee the operation of the system The cable transmits the signals from a Master UPS to the other Slaves using an opto is
21. transpallet or fork lift truck by means of appropriate ropes before moving it When being moved the cabinet should be handled with care knocks or drops can damage it Once in position remove the packaging carefully in order not to scratch the device The packaging should be removed as follows Cut the bands Slide away the carton from above Remove the screws securing the cabinet to the wooden base If using a transpallet remove the device from the pallet and set aon thesflOor using the same precautions as set out in the section on Handling ES 2 Installation environment The MASTER HPand the battery cabinet have been designed for indoor installation The choice of premises for installation should comply with the points set out below 2 1 Ambient conditions e ensure that the floor can support the weightsb he UPS and of any battery cabinet that may be used e avoid dusty environments e avoid narrow environments that could hinder normal maintenance operations e avoid placing the device in areas exposed to direct sunlight or heat e ensure that the ambient temperature conforms to the following minimum operating temperature 0 C maximum temperature for 8 hours a day 40 C average temperature for 24 hours 35 C e max relative humidty 90 without condensation e Max installatiomheight 1000 m at rated power 1 power for every 100 m above 1000 m max 4000 m 2 2 Dimensions of the premises For the mechan
22. 39 57 O Ri powerprotection Several MASTER HPs connected to the same battery TO CONNECT MORE UPS IN PARALLEL WITH ONLY ONE BATTERY A Between battery cabinets and the UPS must be positioned a Battery switches cabinet to allow the single UPS maintenance as shows the picture max 5 battery cabinet Battery cabinet Battery cabinet PS ees Consult the commercial department for backup times that require a greater number of battery cabinets page 40 57 OMNMHTM25RUENUA YES powerprotection 4 4 Connection of signals The signals of several parallel UPSs are connected in a closed loop configuration if the loop is interrupted at any point either due to a fault or for maintenance operation of the system is not compromised and the system continues to operate normally as will be shown repeatedly below The various UPSs are connected through the signals RJ45 flat lt adapter parallel card located in the lower part of the UPS in UP the area for signal and command connections as shown in the section on SIGNALS and REMOTE COMMANDS VA 2 X 2 P RJ45 flat adapter signals parallel card N B the MASTER HP may be provided with two versions of Parallel card that differ in the type of switch used type 1 or type 2 The difference between the two switches is the position of the control lever
23. ERY CABINET In order to sele t the correct protection devices to be inserted downstream of the MASTER HP the following two operating modes have to be taken into consideration mains power supply and battery power supply With mains power supply the output fuse must be selective with the input fuse the condition is verified for the following values OO IOKVA 120KVA 160KVA 2001 250kVA type gG fuse used at the UPS input as shown in the table of connections A 160 200 250 315 400 maximum fuse at the UPS output for selectivity fuse size for type gG fuse A fuse size for type aM fuse A 63 At least two feeders are necessary in order to use the UPS at rated load with fuses of type gG OMNMHTM25RUENUA page 13 57 O bis powerprotection With battery power supply first fault in the event of a shortcircuit on one of the outputs second fault it must be possible for the fuse to be open before the inverter shuts down If the shortcircuit is of the three phase type the inverter can supply a current for 1 second that is 1 8 times the value of the rated current of the UPS output with a single phase shortcircuit the current is around 3 times the value In the worst case scenario that is a three phase shortcircuit then a smaller current the condition occurs if 0OkVA 120kVA 1 0 2001 250kVA rated output current A shortcircuit current three phase 1 8 times the rated output current for 1
24. For safe removal place the UPS onto by pass close S open S1 and S2 and disconnect the UPS Contact S2 must be in the same position as the switch while S must be in the opposite position auxiliary open with switch closed vice versa with switch open OMNMHTM25RUENUA page 23 57 LO ue powerprotection C This page is left blank 1 n N O page 24 57 OMNMHTM25RUENUA O Ris powerprotection 3 4 Start up procedure mains power supply The mains power supply has to be present in order to start up the MASTER HP The MASTER HP output terminals will be powered in this phase and all applications connected will receive voltages All users must therefore be warned before carrying out the start up procedure BATTERY CABINET if present The battery cabinet must be provided with a sectioning device for it to be connected to the UPS This disconnector must be closed only when the UPS is started up regularly During the UPS start up phase the disconnector must remain in the open position Once the INPUT OUTPUT and battery cables have been connected to the UPS terminals afd before putting the switch cover back in place check that e all the input output terminals are securely tightened e all the fuseholders have the fuse inserted and are in the closed position e the input and output protection conductor is connected correctly yellow greef earth cable e check the polarity of the battery connections Replace the sw
25. Load unpowered in the event of a mains outage To be used for non critical loads the battery does not discharge during a mains power failure Shuts down the rectifier and discharges the battery UPS Direct Ltd DIRECT lt support upsdirect com 44 0 8456 445 002 E www upsdirect com EE Column House London Road Shrewsbury SY2 6NN England OMNMHTM25RUENUA page 57 57
26. SWBY FSCR OFF MAIN LINE VOLTAGE FAIL OR SWIN OFF PREALARM LOW BATTERY VOLTAGE LOW BATTERY CHARGE OR CLOSE SWB LOW INPUT VOLTAGE OR OUTPUT OVERLOAD W OUTPUT OVERLOAD BYPASS FOR OUTPUT POWER VA lt AUTO OFF VALUE INTERNAL FAULT number TEMPORARY BY PASS WAIT BYPASS FOR OUTPUT OVERLOAD BYPASS COMMAND ACTIVE 8 COM OFF REMOTE BYPASS COMMAND ACTIVE 8 OFF OVERTEMPERATURE or FAN FAILURE INPUT VOLTAGE SEQUENCE NOT OK OUTPUT OFF CLOSE SWOUT OR SWMB BLOCK COMMAND ACTIVE 8 OFF REMOTE BLOCKING COMMAND ACTIVE MEMORY CHANGED CODE number AUTO OFF Timer Toff 0 0 Ton 0 0 S 0FR See the section on Display and control panel user ma ual for an explanation of the alarms COMMAND x me A description Typical application DisableS the recharging of the battery keeping the recharge current to a minimum independently of the load This is done with the contact kept closed if reopened the command is cancelled Disables the use of the by pass line and the synchronization of the inverter In the event of an overload or fault the UPS blocks and the load remains unpowered This is done with the contact kept closed if reopened the command is cancelled Activates the battery discharging or disconnected alarm To be used to indicate the opening of a battery switch located external to the UPS A closed contact must be provided when the external switch is opened
27. THE UPS ARE EXACTLY THE SAME When operating in the presence of mains supply a differential breaker RCD installed on the input will intervene as the output circuit is not isolated from the input circuit When operating without mains supply from battery the input differential breaker will intervene only 1f 1t 1s able to switch as a result of leakage current without any voltage at its poles for example a differential breaker with an auxiliary relay is not suitable However it is possible to install additional differential breakers on the output of the UPS possibly coordinated with those on the input page 14 57 OMNMHTM25RUENUA 5 powerprotection 3 1 4 Battery Battery cabinet For connection to the UPS the battery cabinet must have an overcurrent protection device and a discomnecting device The disconnector may be closed only when the UPS is started up regularly see the section Start up procedure on page 25 The function of the fuses 1s to protect the batteries and the cables from a shortcircuit between the battery cabinet and the UPS The following rules should be observed for their sizing e if rapid fuses of the type gl gG are installed the maximum size of fuse to be used is 2 times the battery capacity in Ah e Ifultra rapid fuses of the type aR are installed the maximum size of fuse to be used is 2 5 times the battery capacity in Ah For example the following fuses may be used for batteries of the type
28. UNINTERRUPTIBLE POWER SUPPLY 0200 powerprotection MAST E R H P 100 250 kVA three phase output User Manual mmm mmm Fe zs KT mmm Se E eli emm L a w w mmm Se e e ee ee mmm ee De OE a mmm mmm w s x III Ili O powerprotection UPS Direct Ltd DIRECT support upsdirect com 44 0 8456 445 002 E www upsdirect com Column House London Road powerprotection Shrewsbury SY2 6NN England page 2 57 OMNMHTM25RUENUA O Ris powerprotection Thank you for choosing our product RPS S p A is highly specialized in the development and production of uninterruptible power supplies UPS The UPSs of this series are high quality products carefully designed and manufactured to ensure optimum performance Symbols used in the manual In this manual some operations are shown by graphic symbols to alert the reader to the dangerous nature of the operations Possibility of serious injury or substantial damage to the device unless adequate _ precautionary countermeasures are taken _ E A x This symbol indicates some important information which must be read with care H H 1 x It is recommended to read this part of the manual Protective equipment to be worn No maintenance operations must be carried outon the device without wearing the Personal Prot
29. allel follow thegrecedure described in the section on bypass for maintenance of chapter Parallel version The sequences of operations to be carried out to place thepUPS in maintenance bypass are shown below The procedure varies depending on the initial state of the UPS MASTER HP in NORMAL OPERATION procedure a the power supplya40the load is not interrupted in any way MASTER HP with output not synchromizedjwath the by pass line procedure b the powefsupply to the load is interrupted therefore this operation shouldbe effected only if absolutely necessary Procedure a the by pass line is present and its frequency and voltage are suitable the UPS display panel indicates NORMAL OPERATION 1 close disconnecting switch SWMB the control logic automatically disables the inverter 2 open all the switches on the device SWIN SWOUT SWBY and the battery cabinet disconnectors fuses and keep only disconnecting switch SWMB maintenance by pass line closed The control panel remains off N B After carrying out the operations indicated above personnel must wait around ten minutes for the capacitors to discharge before working on the inside of the UPS In this situation during maintenance operations any disturbance such as a blackout on the UPS supply line would have an effect on the equipment powered since the batteries are deactivated in this state OMNMHTM25RUENUA page 29 57 O Ris powerprotectio
30. ance with applicable local legislation Disposingaof the product correctly contributes to respecting the environment and personal health No reproduction of any part of this manual even partial is permitted without the RPS S p A authorization The RPS S p A reserves the right to modify the product described herein in order to improve it at any time and without notice OMNMHTM25RUENUA page 5 57 LO ue powerprotection This page is left S page 6 57 OMNMHTM25RUENUA YES powerprotection CONTENTS f PRELIMINARY EN 9 1 1 Removing the packaging and positioning the deutce 9 ER STOUT A AS A AS aa 9 k iO IT S uuu u A A 9 Zi WNSTALEATION ENVIRONMENT enee eege 10 2 7 E TEE 10 2 2 ADIMEUSIONS Of he PREMISAS 10 23 COOMNS Of INC PECES Ni A pao Il 2 4 Air change for battery premises EEN ECK D 11 3 MASTER HP IN SINGLE CONFIGURATION f S 15 12 3 1 Set up of the electrical system O WEE tees 12 35 11 7 A A A 12 A 61060610117 A EE Te EE 13 3 1 3 Differential RCD AS a ORE 14 GMC yuyu invitee Gwe soa E A eo 15 2 5 JBaQckfeed RO AAA A A 15 3 1 6 Emergency power off device EPO 0 o een 15 3 2 Mains load and battery CoOnntechions A 16 3 3 Connection of signals and remote om mandss
31. ass command by means of blocking the inverter as a result of switching onto the by pass line N B The command is only executed if the by pass line is presentwith correctivalues This is achieved bY switching the contact from open to closed Resets the bypas command This is achieyed bysswitching the contact from open to closed UNCONDITIONAL Inverter block command the command is executed even if there is no by pass line The URS only switches onto by pass if the by pass line is present otherwise the load remains unpowered This is done with the contact kept closed if reopened the command is cancelled UNCONDITIONAL command This is done with the contact kept closed if reopened the command is rectifier block cancelled To be used when the load may support mains interference or frequency variations and it is thus preferred to improve system efficiency The load is powered if there is a mains power failure Checks state of the battery Checks state of the battery N B During this testathe rectifier remains on with output voltage low in order to allow the supply of current by the batteryandito prevent inverter shutdown after battery discharge Activates manual remote battery chargmg Load unpowered in the event of a mains outage To be used for non critical loads the battery does not discharge during a mains power failure Cancels the previous action and disables the inverter block
32. correct operation of the UPS measures must be taken during installation to avoid any obstructions to the free circulation of air These include the following q e ensure a distance of at least 60 centimetres from the ceiling so as not to hinder air extraction ul e leave a free space of at least one metre at the front of the equipment to ensure both the circulation of the air and installation and maintenance operations j e With natural convection the thermal load is dissipated to the outside through the walls thus a cabinet placed against a wall or in a hollow Y dissipates less heat than one located in a free environment The following rule must be observed leave at least one of the three side walls fre wight left or back e the side strips must not be mounted for installations where Cabimetsare placed side by side 2 4 Air change for battery premises The premises housing the battery cabinet must h ve sufficient air circulation to ensure that the concentration of hydrogen issued during battery charging is kept bel w the danger limit The air change in the premises should preferably be provided by natural ventilation otherwise by forced ventilation The standard EN 50272 2 for air change envisages that the minimum opening must satisfy the following equation A 28x Qe 28 x 0 05 x n x Igas x C10 1 10 cm where At free opening for air in
33. device has been designed and manufactured in accordance with the standards for the product for normal use and for all uses that may reasonably be expected It may under no circumstances be used for any purposes other than those envisaged or in any other ways than those described in this manual Any interventions should be carried out in accordance with the criteria and the time frames described in this manual PRECAUTIONS AND SAFETY REGULATIONS Refer to the Safety and Compliance Manual supplied with the UPS OMNA 141 NE ENVIRONMENTAL PROTECTION In the development of its products the company devotes abundant resources to analysing the environmental aspects All our products pursue the objectives defined in the environmental management system developed by the company in compliance with applicable standards No hazardous materials such as CFCs HCFCs or asbestos are gem this product When evaluating packaging the choice of material has been made favouring recyclable materials For correct disposal please separate and identify the type Of material of which the packaging is made in the table below Dispose of all material in compliance with applicablestandards in the country in which the product is used DESCRIPTION MATERIAL DISPOSING OFTHE PRODUCT The UPS contam electronic cards and batteries which are considered TOXIC and HAZARDOUS waste When the product reaches the end of its operating life dispose of it in accord
34. do the battery cabinet The use of the temperature sensor allows the UPS control logic to regulate the values ofthe charge and maintenance voltage according to the working temperature of the battery 3 3 10 Dual Bus System UGS optional N Two independent systems may be configured with Dual Bus with a single Source or a separate source The synchronization option UGS keeps the outputs of the two systems always synchronized regardless of the input variations and when the system is running from the battery EachesyStem aay be made up of a maximum of 4 parallel connected UPSs This system has been designed for configurations using STSs Static Transfer Switches since this guarantees switching from one uninterruptible source to another without affecting the loads 3 3 11 SWOUT and SWMB aux P Q Terminals to be used for the connection ofthe auxiliary contacts of switches inserted in the MASTER HP system see also the section on Insertion ofa dditionalgsystem sectioning devices on page 37 Inserting additional disconnectors to supplement those already in the UPS means that the whole equipment can be replaced without interrupting the power Supplyeto the load da S da S2 Additional output disconnector S2 additional disconnector S of the external maintenance by pass The auxiliary contacts S2 and S must be connected to terminals P and Q
35. ds with the UPS started correctly and with the battery connected on the signals and control panel the two green input and output LEDs must be on constant SWMB The disconnector SWMB must not be closed during normal operation of the MASTER HP SWMB should only be closed during UPS maintenance operations in order to keep the load powered see the instructions on page 29 OMNMHTM25RUENUA page 25 57 YES powerprotection When the UPS is first started up it is in on line mode see page 27 See pages 27 to set Standby on Smart active operating mode configurations Contact the technical support personnel for other operating modes Once the UPS has been installed check that the message NORMAL OPERATION appears on the first line of the display panel and that the UPS model is displayed in the left hand corner of the second line according to the coding shown below XOOOY ZZ X MASTER HP model 000 output power kVA Y output frequency output 7 output 60Hz lt II gt Z configuration mode SEH output frequency input frequency C frequency converter with battery S frequency converter without battery K N standbyaon F stand by off S P stabilizer or p par llel version B or b parallel version with single battery NNNNNNN YN 3 4 1 Battery operation check Carry out only with battery present After installation a mains outage even of Justsa few seconds can be simulated to check operation
36. e MASTER HP model OMNMHTM25RUENUA page 27 57 O Ris powerprotection 3 5 3 Standby off with mains present the load is not powered load not powered in the event of an input mains failure the load is powered from the inverter using the energy stored by the batteries Standby Off if there is a mains power supply UPS output is zero The RECTIFIER remains on and keeps the battery charged The output voltage is only present when the mains power supply fails The system remains with output voltage UN while the voltage and the input frequency are within the acceptance field When the power supply line is restored the UPS is automatically repositioned in Standby Off mode The letter F will be displayed on the second line of the BASIC MENU near the UPSymodel 3 5 4 Stabilizer operation in on line mode without battery load powered from the inverter if there is a mains failure th load is not powered the batteries are not present Stabilizer The load is always powered through theyinverter with stabilized voltage and frequency using the energy from the input mains The batteries are not present In the event of an input mains failure the output of the STABILIZER is not powered The letter S is displayed on the seeonddine of the BASIC MENU near the UPS model 3 5 5 Frequency converter from 50 to 60HZ or vice versa load powered frorvthe inverter with output frequency different from the input frequency in the event ofan input
37. ective Equipment PPE described below Personnel involved in the installationer maintenance of the equipment must not wear clothes with wide sleeves or laces belts bracelets or other items that may be dangerous especially if they are metallic Long hair must be tied in such a way as to ensure that dis Not aHhazard The following signs show theyprotective equipment that should be worn The various items of PPE must be selected and sized according to th nature of the hazard particularly electrical posed by the equipment Accident prevention footwear Protective eyewear Use always Use always Protective clothing Helmet Use always Use When there are suspended loads Work gloves Use always OMNMHTM25RUENUA page 3 57 O Ris powerprotection Definition of operator and specialized technician The professional figure responsible for accessing the equipment for ordinary maintenance purposes is defined with the term operator This definition covers personnel that know the operating and maintenance procedures for the equipment and that have been 1 trained to operate in accordance with the safety standards relating to the dangers that may arise where electrical voltage is present 2 trained to use Personal Protective Equipment and to carry out basic first aid The professional figure responsible for the installation and start up of the
38. ed in parallel Lack of compliance with this rule may cause a current imbalance between the UPSs when the load is powered through the by pass line An overload on the by pass line of one UPS will lead to a deterioration of the components on that line both internal and external to the UPS that is the disconnector cables and electronic power components page 38 57 OMNMHTM25RUENUA O Ris powerprotection 4 3 2 Power connections battery side BATTERY CABINET if provided In order for the battery cabinet to be connected to the MASTER HP it must be provided with a sectioning device This disconnector must be closed only when the UPS is started up regularly In the phase of connection to the UPS the disconnector must remain in the open position Each UPS with its own battery cabinet max 3 battery cabinet max 3 battery cabinet Battery cabinet eb 0 eb E E O O O D D D O O O E a e b m m m max 8 UPS For systems with 4 or more battery cabinet it is necessary to use a Battery switch cabinet where the cables can be connected in parallel Consultihe commercial department For the sizing of the cables and for the connection procedure referto the INSTALLATION DRAWING attached to the battery cabinet Battery cabinet Battery cabinet Battery cabinet Battery cabinet Battery switch cabinet Battery switch cabinet 22 Z Z zz OMNMHTM25RUENUA page
39. energy fr m the common battery At the end of the backup time the whole system excludes itself The load remains unpOwered ifthe duration of the mains outage is greater than the backup time of the whole system When the mains 4s restored the system will restart automatically Each UPS recharges the common battery OVERLOAD In this mode toogthedeyices share the overload equally If the load applied to the system is not reduced the whole system will switch onto the by pass line When the overload is removed all the units will automatically return to normal operation If the overload persists however it triggers the external protection devices located at the UPS input on the by pass line In this case the load would remain unpowered OMNMHTM25RUENUA page 45 57 PES powerprotection Example of parallel operation For the sake of simplicity the instructions shown below refer to a system with three UPSs but are equally valid for more complex systems Let us assume that the signal cable is not damaged and that the UPSs are in the following state UPS STATUS 1 Normal operation Master unit 2 Normal operation Slave unit 3 Normal operation Slave unit 1 2 3 A UPS PARALLEL CABLE type RJ45 1 2 3 Parallel connected UPSs al A If the signal cable between UPSs 1 and 3 is open UPS PARALLEL CABLE type RJ45y
40. h card connected precludeS the use of a standard RS232 port as follows the use of SCHU 2 aux inhibits the use of RS232 2 For the fulltand updated list of communication accessories please see the website www riello ups com 3 3 6 REMOTE ALARMS 2 optional cards H I 6 outputs potential free contacts for alarms programmable from the display panel 2 inputs programmable from the panel and 1 12V DC maximum 100mA auxiliary input 3 3 7 MODEM optional L Model compatible with the communication standards between the MASTER HP and the software provided N B the modem must be connected to an RS232 port D and E a standard RS232 port may not therefore be used page 22 57 OMNMHTM25RUENUA O Ris powerprotection 3 3 8 MULTI I O optional L The function of this accessory is to convert external signals from the MASTER HP e g temperature of environment temperature of battery premises etc into signals by means of relay contacts or via serial output RS485 in MODBUS protocol It has the following characteristics 8 inputs e g humidity smoke etc sensors communication with the UPS via serial port 8 relays configurable with 8 events on the MASTER HP RS232 output port with configurable messages RS 485 output port MDBUS JUBUS with configurable messages 3 3 9 Battery temperature sensor optional M The UPS has a connector for connection of the kit which consists of a sensor to be platedansi
41. h recharged battery Approx 0 Max recharge current A Full load 35 Load 90 60 Load 80 90 Load lt 70 OMNMHTM25RUENUA page 53 57 5 DIRECT powerprotection INVERTER Active power Pf 1 kW 90 108 144 180 225 Rated frequency 50 or 60Hz configurable Static variation 1 Recovery time within 1 Stability of frequency with Inverter synchronized 2 adjustab with the by pass mains Voltage phase shift with balanced and unbalancec _ load 120 1 el o phase 200 for 6 s o Phase Neutral 300 for 1 second with current limiting page 54 57 OMNMHTM25RUENUA BY PASS Rated voltage tolerance Frequency tolerance Switching onto by pass with Inverter out of sync UPS in Normal Mode Delay in transfer onto Inverter after switching onto by pass Pt SCR bypass 25 C 8 10ms A3s OMNMHTM25RUENUA 5 DIRECT powerprotection 20 adjustable from 5 to 25 from control panel 2 adjustable up to 6 from control panel ou 20K 405K 405K page 55 57 YES powerprotection 7 Appendix A remote commands and alarms card Technical support personnel may give the COMMAND and the three ALARMS functions that are different to the standard configuration of the alarms card see page 20 The options available are listed below ALARMS DISTURBANCES ON BYPASS LINE MANUAL BYPASS SWMB ON BYPASS LINE VOLT FAIL OR
42. he device in covered premises that are protected from direct contaet gvith atmospheric agents and dust The following environmental values are those allowed in the storage area Temperature AO Relative humidity 30 90 max For the installation of a battery cabinet if provided with the uninterruptible power supply follow the instructions given in the specific manual The list of material provided may vary depending on the order specifications As a general rule the packaging should include the following this manual theinstallation drawing the warranty and eventual accessories 1 3 Handling The equipment must only be handled by adequately trained personnel It can be unloaded from the vehicle and put into place by lifting thesbox or the wooden deck to which the equipment is secured with a fork lift truck A transpallet or fotk lft truck should be used for the permanent positioning of the equipment in accordance with the instructions provided below OMNMHTM25RUENUA page 9 57 O Ris powerprotection 1 Insert the forks of the fork lift truck in the lower part of the device from the front or back and ensure that they stick out about 30 cm on the other side If a transpallet is used raise the device only as much as is strictly necessary 2 Secure the device to the transpallet or fork lift before moving it Risk of overturning In order to avoid the risk of the device overturning ensure that it is firmly secured to the
43. he input neutral is also present at the UPS output Follow the instructions in th section on START UP PROCEDURES see page 25 to restart the UPS page 30 57 OMNMHTM25RUENUA powerprotection O e Block diagram 3 9 Josues 10 0 0 LNOMS pes 60 0 pues euondo LUSPO JO oul 0 SH Od 10 oul Z Z SH wJeje pue 8 Duef Odd ndnOo lt aew 0 8 0 LNOMS puewwo pue shulljeubis JOSS9I0 IdOJIIUU UJIM nou JOJUOD e v V J9119AU 1911199y A ya 0 p ppeg o 0 L 9 3 Ssulew ndul ajeledas 801 ssed Aq JO Jadunf arnoua pJeoq eulua UO Jjadunrf puepuejs ajejedas indu au ssedAg page 31 57 OMNMHTM25RUENUA 0200 Ri powerprotection 3 10 Components of the block diagrams The MASTER HP is made up of the following sub assemblies IGBT RECTIFIER This represents the input stage and its function is to convert the alternating voltage of the power supply line into direct voltage Rectifier start up can be programmed from the display panel The following in particular can be set The delay 1n start up tO tl m y 1 I i f N l M I this allo
44. ical dimensions of the cabinets refer to the INSTALLATION DRA WINGS supplied with the UPS and with the battery cabinet if present These drawings provide the following data e the position of the holes in the base to secure the device to the floor if applicable e the view of the floor support for the sizing of a structure to raise the cabinet if applicable e the position of cable entry e the position of the fans on the top of the UPS for the positioning of a structure to convey the warm air discharged by the equipment outside the premises if applicable the input output and battery cables section e the power dissipated by the equipment kW page 10 57 OMNMHTM25RUENUA O Ris powerprotection 2 3 Cooling of the premises The recommended operating temperature for the lifetime of the UPS and of the batteries is between 20 and 25 C The lifespan of the battery depends on the operating temperature with an operating temperature of between 20 C and 30 C the lifespan of the batteries is halved A heat dissipation system is required to keep the temperature of the premises housing the equipment within the field 20 25 C e The heat dissipation needed for the correct operation of the UPS is brought about by the air current made by the fans located inside the UPS forced convection and by the air around the side panels natural convection In order to ensure proper air circulation and therefore the
45. in paralell D UPSI LED on UPS2 LED off UPS3 LED off E SWI start position UPSI SWI cont position UPS2 UPS3 UPS 2 To add other parallel UPSs URS PARALLEL CABLE must be added for each new UPS connected A The signal connection must not be removed when one UPS is shut down OMNMHTM25RUENUA page 43 57 O Ris powerprotection 4 5 Start up procedure Before starting up the whole system for the first time some tests have to be performed to check that the UPSs are connected to each other correctly A open all the switches and disconnectors on the UPSs SWIN SWBY SWOUT and SWMB and on the battery cabinets B Close SWMB on one unit and check that on all the units The voltage present between the corresponding input and output terminals of each UPS is lt 2Vac If not check that the UPSs are connected to each other correctly A Once the operation has terminated open SWMB C Start up UPS1 by closing SWIN SWBY and SWOUT Wait until the message NORMAL OPERATION appears on the display After a few moments messages on the UPS status will start to scroll across the first line of the display panel These will include the following message regarding the battery disconnector Wait DO NOT connect the BATTERY D Close SWIN SWBY on all the other UPSs E
46. itch cover For the first start up the following operations should be carried out in this order 1 close input disconnector SWIN 2 press button 1 twice select the language and then press button 8 to return to the basic menu 3 after a few seconds messages on the status ofthe UPS will start to be shown on the first line of the display panel these will include the following message relating to the battery disconnector Wait DO NOT connect the BATTERY 4 close by pass line disconnector SWBY 5 close output disconnector SWOUX 6 do not close the battery cabinet disconnector Once these operations have been catried out the humming of the fans and the sound of the buzzer will be heard Close the battery cabet disconnector or fuses only when the following message is no longer shown on the first line of the disphayypanel Wait DO NOT connect the BATTERY Configute th value of the battery capacity according to the instructions on Display and control panel user manual A battery capacity It is important to insert the correct battery capacity value since this value is used by the system logic to calculate the backup time If not set otherwise this value is assumed to be equal to the UPS power e g at 10 01 the value set by default is 100Ah After the start up operations have been completed perform a manual battery test press button 3 and then 2 on the control panel At the end of the test after approx 8 secon
47. lid each unit must be protected with equivalent fuses or switches 4 2 2 Differential differential switch inserted at the input of the whole system as shown in_fi 4 2 3 Emergency power off device N When several devices are connected in parallel t and must be sent to all UPSs simultaneously as shown in the figure below PERA ART SS In order to avoid unnecessary interventions versions with several OC d devices must have a single e B UPS 8 1 2 P Wa a EPO terminal board on the UPS b EPO switch with auxiliary contacts not provided The button must have the same number of auxiliary contacts as the number of parallel UPSs Each UPS must have the jumper on the EPO terminals page 19 removed and the wires from the auxiliary contact of the button must be connected instead of the jumper The contact must be closed with the button in the rest position and be opened when the button is pressed The connection must be made with the UPSs switched off page 36 57 OMNMHTM25RUENUA YES powerprotection 4 2 4 External maintenance by pass In some cases in order to facilitate maintenance operations of the individual units making up the system 1t may
48. n Procedure b The by pass line is outside the acceptance field the following message is seen on the A display panel BYPASS VOLTAGEFAIL or SWBY OFF and green LED 1 will flash 1 open all the switches on the device SWIN SWOUT SWBY and the battery cabinet disconnectors fuses The control panel will remain off 2 before closing switch SWMB to connect the loads ensure that both the frequency and voltage of the supply line are sufficient to power the connected loads N B After carrying out the operations indicated above personnel must wait around ten minutes for the capacitors to discharge before working on the inside of the equipment After all the maintenance operations restart the UPS following the instructions in they ectionven START UP PROCEDURE see page 25 Then open disconnector SWMB if it was previously closed The MASTER HP will return to NORMAL OPERATION 3 8 UPS and load shutdown This operation will cause the shutdown of the load connected on the output In parallel versions each procedure must be carried out on all the UPSs open the switch of the Toad open SWOUT output disconnector open SWIN inputtdisconnector open SWBY by pass line disconnector open the battery cabinet switch fuse The load is no longer powered and afteftya few seconds the signal panel will also shut down Use a multimeter to check that no voltages are present on the terminal board N B the neutral is not interrupted by the UPS t
49. n the CONTROL PANEL Depending onthe distance of transmission the recommended values for the transmission speed are 9600 baud 50m 4800 baud 4 00m 2400 baud 200m 1200 baud 300m See the diagrams below for the Conne tion procedure DB9 female RS232 2 D For connection with a computer use a standard RS 232 cable See the diagram for connection with a modem OMNMHTM25RUENUA page 21 57 O Ris powerprotection DB9 male RS232 1 E For connection with a modem use a cable standard See the diagram for connection with a modem 3 3 5 SLOTS 2 1 the following cards may be inserted optional F G NetMan 102 Plus on SLOT 1 main or SLOT 2 aux Device for the management of the UPSs on the Ethernet It can send inf rmati n on the status of the device with various protocols TCP IP UDP compatible with Wateh amp Save SNMP for communications with WMS or with PowerNETGuard HTTP to display the statuSawith a browser TFTP to configuresOmupdate the device when connected to the network The main function of this device is to integrate the MASTER HP into the LAN network ensuring a high level of reliability of communication with the server to enablesfwll Management and control of the MASTER HP MULTICOM card on SLOT 1 main or SLOT 2 aux This device may be used to add a serial port to thesUPS monitor the UPS using MODBUS JBUS protocol on RS485 or PROFIBUS Multicom 401 N B eac
50. olated system in order to keep the control systems electrically isolated from each other The operating logic envisages that the first unit thatAs activated becomes the Master and takes control of the other Slaves In the event of a fault in the Master unit control is immediately switched to a Slave which then becomes the Master The current system provid s basic operation each unit having its own battery The system may be personalized by means of a code inserted on the display panel with all the units connected to a single battery Battery x Battery bar O r T e Jee ee load by pass line mains mains mains line line line Sia UPS2i AO T i UPS 3 UPS 8 Battery 7 i Battery Battery y gt hi Yoo OMNMHTM25RUENUA page 35 57 Wane Ri powerprotection 4 2 Electrical system set up All the information contained in the section on electrical system set up in relation to the MASTER HP page 12 remains valid with the addition of the information set out below 4 2 1 Input The instructions seen in the first part of the manual for a single UPS remain va
51. on the UPS output will be cut The UPS is factory fitted with the EPO terminals shortcircuited If this input 1s used the UPS can be shut down in a hazardous situation from a remote position simply by pressing a button If only the power supply is removed for example by opening the switch of the power supply panel the UPS will keep the load powered using the energy in the batteries OMNMHTM25RUENUA page 19 57 YES powerprotection 3 3 3 REMOTE COMMANDS AND ALARMS C The card is equipped with a terminal board with 12 positions which has the following POWER SUPPLY ALARMS COMMAND 1 power supply 12Vdc 80mA max pins 10 and 11 3 potential free change over contacts for alarms l command programmable from the panel pins 11 and 12 The functions of the three contacts and the command may be reprogrammed via the display panel The ALARMS and the COMMAND are factory set in the following way ALARMS RLI RL2 RL3 COMMAND IN 1 page 20 57 Bypass fault the contact changes posittonpwhen the UPS switches the load onto the by pass line either during normal Operation e g due to overload or as a result of a fault in the inverter stages Battery discharging the contact changes position when the load is powered from the battery due to a mainspower fatlures End of battery dischatge the Contact changes position when during a mains outage the remaining time formbattery discharge has reached
52. ormation contained in the section on operating modes page 27 in relation to the UPS remains valid with the addition of the information set out below ON LINE OPERATION The message NORMAL OPERATION is shown on the display panel of each UPS and the letter P appears in the bottom left hand corner near the indication of the model This letter is in upper case if the equipment in question is the MASTER while a lower case character is displayed if the UPS is a SLAVE STAND BY ON OPERATION The sharing of the load between the UPSs is linked to the length of the cables and the rules on the length of the connections indicated in the section connections must be observed In the event of a matas power failure the load is passed onto all the parallel connected UPSs STAND BY OFF OPERATION In this mode if there is a mains power outage the devices share the load equally the load is not powered with the mains present STABILIZER WITHOUT BATTERY OPERATION In this mode the devices share the load equally BATTERY OPERATION One battery for each UPS Each unit draws the energy from its own battery At the end of its backup time each UPS excludes itself The load remains unpowered if the duration of the mains OUtage is greater than the backup time of the whole system When the mains is restored the system will restart utomati ally Each MASTER HP recharges its own battery One battery for all the UPSs Each unit draws the
53. pacitors to discharge before working on the inside of the equipment Ordinary maintenance forbatteri s trained personnel only The system automatically controls thesefficiency of the batteries every 24 hours and sounds an alarm when the efficiency is lower than that calculatedyaccording to the stored capacity value The lifespan of the batteries isSdinked to the operating temperature and to the number of charge and discharge cycles effected The capacity is notgconstant but increases after some charge and discharge cycles it then remains constant for several hundreds of cycles before decreasing permanently Preventive maintenanes of the battery entails keeping the operating temperature within the field 20 25 C performing two or three discharge and charge cycles during the first month of use carrying out this operation every six months after the first month of use Since the batteries are a source of energy opening the battery disconnector does not eliminate the voltage inside the batteries DO NOT TRY TO ACCESS THE INSIDE OF THE BATTERY CABINET THERE ARE ALWAYS DANGEROUS VOLTAGES AROUND THE BATTERIES If the batteries are thought to be faulty in any way please contact the technical support service If the batteries need to be replaced this must be done by a specialized technician The replaced parts must be sent to a specialized company for disposal by means of recycling Batteries are classified by law as toxic waste
54. r the frequency go out of the acceptance field the load is automatically switched onto the inverter output With Standby On operation the energy dissipated by the system can be reduced leading to considerable saving Before using this function it must be ensured that in the event of a mains outage the load powered can accept an interruption of the power supply of around 2 5 ms and that it can support any mains interference This operating mode is normally used for loads that are not particularly sensitive The letter N will be displayed on the second line of the BASIC MENU near the UPS model Smart Active the UPS autonomously activates On Line or Standby On operation according to the quality of the power supply see the PERSONALIZ SMART ACTIVE OPERATION menu When Smart Active mode is activated the power supply is monitored for a few minutes after which if the voltage has remained within the pre set values the output is switched onto the by pass line otherwise the load remains powered by the inverter while the observation time is approx one hour After this time provided there has been no interference the load switches onto the by pass line otherwise the logic starts monitoring again for approx one hour The advantage of this operating mode is its efficiency which is greater than 98 SMART A will be displayed on the first line of the BASIC MENU and the letter M will appear in the second line of the BASIC MENU near th
55. rallel with other units operating normally This operation may cause a fault on the UPSs which may create a dangerous voltage at the output SWMB may be closed with the MASTER HP operating by following the procedure described in the section Operating modes operation not to be executed If disconnector SWMB is closed on any unit the whole system switches onto by pass If all the switches are then opened to allow maintenance operations to be carried out all the power required by the load will switch onto the maintenance by pass line of the unit in which SWMB has been closed WARNING both the automatic and the maintenance by pass line of each UPS is sized for the rated power of the single unit N B To carry out maintenance on all the UPS the switches SWMB of all the units m stbe closed maintenance on a single unit This is the procedure to carry out maintenance operations on a single unit e g UPS open switches SWBY SWOUT SWIN and the battery cabinet disconnectomon unit only If the active UPSs can power the load the system remains in normal operation andthe maintenance can be carried out on UPSI maintenance on the whole system The sequences of operations to be carried out to place the System in maintenance bypass are described below The procedures vary depending on the initial state All the UPS are in NORMAL OPERATION procedure a the power supply to the load is not interrupted in any way whole system with outp
56. s operation for the other units connected If this check is positive close SWOUT on all the units Replace the switch block on all the SWMBs so that they are blocked in the open position H At the end of the start up phase all the UPSs must be in the NORMAL OPERATION condition I Wait approx one minute from the insertion of the last UPS then check that with the load not connected the output power indicated by each unit is lt 3 L Connect the load in output wait approx one minute and then check that the power shared between the various units is within 2 page 44 57 OMNMHTM25RUENUA YES powerprotection 4 6 Operating modes Several MASTER HP units connected in parallel share the current absorbed by the load between them In a system with several UPSs connected in parallel there is a single MASTER unit and the remaining units will be SLAVES The UPSs are all exactly the same and the MASTER is chosen on start up The MASTER unit is shown on the display panel by the capital letter P or B in the case of a single battery The MASTER and SLAVE units may exchange roles If a unit goes out of service e g due to an inverter fault 1t will automatically be excluded The load at this point is shared between the units that are still active if the power in output is excessive for the remaining UPSs the system logic switches all the units including the UPS that was excluded onto the by pass line All the inf
57. st be connected together and with phase L1 of the load The connections must be observed for phases L2 L3 and for the input and output neutral parallel connect the MASTER HPs as follows Connect the power supply phases L1 L2 L3 N to the corresponding input phases of each UPS L1 L2 L3 N Connect the load phases L1 L2 L3 N to the corresponding output phases of each UPS L1 L2 L3 N MAINS M The figure shows an example of three units Conneeted in parallel Power supply line M MASTER HP input termi al boards B MASTER HP output terminal boards C Load D Aux SWOUT A at a2 a3 al a243 1 c2 c3 length of cables IN B IN B IN B UPS 1 UPS 2 UPS 3 OUT C OUT C OUT C A A A c1 c2 ext c3 x SW UT d A AU P llos N la ext Y SWOUT CAS a sat D NOTE SWOUW ext must be provided with an auxiliary contact open with the switch open and closed with the switch closed Length of the cables The sum of the lengths of the power supply and output cables must be the same for all units With reference to the drawing these must be altcl a2 c2 a3 c3 a length of input line cables b length of output line cables The same rule must also be observed with separate power lines the lengths of the cables of the by pass line output line must be the same between all the MASTER HP connect
58. take and outlet Q flow of air to be removed m h number of battery elements C10 battery capacity over 10 hours Ah Igas current that produces gas mA Ah in accordance with the standard Igas 1 VRLA type battery for open vase or nickel batteries contact the battery manufacturer When the equation is applied for 240 element 40 battery hermetically sealed lead batteries A 336 x C10 10 cm When using 120Ah batteries the minimum aperture should be approximately A 41 cn The air intake and outlet must be positioned to ensure the best possible circulation for example apertures on opposite walls a minimum distance of 2 m when they are on the same wall OMNMHTM25RUENUA page 11 57 YES powerprotection 3 MASTER HP in single configuration 3 1 Set up of the electrical system 3 1 1 Input The UPS input must have a max current protection device for the section of line coming from the distribution panel as well as for the two inputs into the MASTER HP the rectifier line and the by pass line The protection device should be sized according to the situation as follows a Single power line The fuse represented with the letter F alone provides the protection for all three lines mentioned above gt A SWBY gt LOAD lt SE SWIN e s BATTERY CABINET b main power s
59. the battery does not need to be charged With the UPS in normal oferation Open switch SWIN located at the UPS input rectifier The buzzer should sound immediately with 5 ON while OUT green LED and BATT yellow LED on the Signals and Commands Panel shouldbe constantly on Check that the load connected to the UPS is powered In this state the power supplied to the load is the same as the energy thatwas previ0usly accumulated in the batteries Close input disconnector SWIN to return to normal operation The IN and OUT LEDs on the CONTROL PANEL will be GREEN The batteries wilktecharge automatically Battery backup time Before a battery discharge test can be carried out several hours have to pass at least eight hours for standard backup times or longer for batteries sized for long backup times to allow the batteries to charge The backup time obtained on the first discharge may be slightly less than expected a number of charge and discharge cycles are needed to improve this value Battery capacity does not remain constant over time but increases after some charge and discharge cycles it then remains constant for several hundreds of cycles before decreasing permanently page 26 57 OMNMHTM25RUENUA YES powerprotection 3 5 Operating modes The various equipment operating modes are described below setting The operating mode is set when the MASTER HP is installed it may be changed subsequently but this sho
60. the minimum value defined Once this time has passed the load will remain unpowered the factory set end of discharg pre alarm value is 5 minutes Inverter OFF Connect pin 11 to pin 12 for at least 2 seconds In NORMAL OPERATION if the INVERTER OFF command is received the UPS switches the power supply of the load onto the by pass line load is not protected should there be a mains outage In EMERGENCY OPERATION if the STOP INVERTER command is received the UPS shuts down load is not powered With the jumper present the UPS remains switched on the by pass line when the mains power supply is restored With no jumper present the UPS will restart in NORMAL OPERATION OMNMHTM25RUENUA O Ris powerprotection The position of the contacts shown is without the alarm present The contacts can take a max current of 1A with 250Vac 4 eon 2 RL1 O O 3 4 o S 5 RL 2 O 7 PU 8 RL 3 ee 9 v 11 _ yo IN1 Please refer to APPENDIX A for the list of alarms and commands that can be programmed The change of function may be made by the technical support personnel 3 3 4 RS232 2 DB9 connectors are available for RS232 conneetion The factory set transmission protocol is the following 9600 bag noparity 8 bits 1 stop bit The transmission speed may be varied from 1200 to 9600 baud using the PERSONALIZATIONS menu o
61. tic condensers It is therefore recommended to implement a preventive maintenance programme which should be entrusted to specialized personnel authorized by the manufacturers Our Technical Support Service will be happy to recommend the various personalized options for preventive maintenance Periodic operations to be carried out by trained personnel and with doors closed The following operations which must be done with the doors closed should be carried out periodically e g once a month or more frequently in particularly difficult environmental conditions Ensure that the air intake slots located on the front door and at the back of the cabinet and the output grilles located on the top of the cabinet are clean Ensure that the UPS is working properly the message NORMALAOPERATION will appear on the display panel If an alarm message is displayed check th meaning in the manual before contacting the technical support service Perform a battery test with the display panel Maintenance inside the UPS trained personnel only Maintenance inside the UPS may only be carried Out by trained personnel The UPS is designed to A power the load when it is disconnected fromthe power supply line High voltage is present inside the UPS even when the power supply and the battery have been disconnected After disconnecting the power supply lind thegbattery cabinet the trained personnel must wait around ten minutes for the ca
62. uld always be done by a specialized technician 3 5 1 On line factory setting load always powered by inverter in the event of an input mains failure the load continues to be powered from the inverter using the energy stored by the batteries On line The load is always powered by the inverter with stabilized voltagejand frequency using the energy from the mains power supply INPUT If there 15 a faultan the INPUT the UPS will switch to the batteries in zero time and the batteries will supply energy to the inverter to keep the load powered for the backup time of the battefies When the INPUT is restored the batteries will be automatically recharged by the rectifier 3 5 2 Standby on Smart active load powered from the mains in the exent gf a input mains failure the load is powered from the inverterusing the energy stored by the batteries In Standby On or smart active the load is powered from the by pass line if the power supply line is in the acceptance field 1f there is a fault on the power supply line the load switches automatically onto the inverter powered by the battery Standby On the switch from Tyerter to by pass line may be immediate time set 0 or delayed up to 180 minutes For the switch to take place the by pass line has to remain in the acceptance field for the time set Tn Standby On mode the rectifier remains powered and keeps the battefies charged If the by pass line voltage o
63. upply and separate by pass When there are two separate power lines the hain power line and the by pass line two protection devices must be provided indicated with the letters F and G m therdrawing b one for each line LL OU U ANG A A SWBY 0 LOAD u SWOUT O Se OU Z UPS S F O BATTERY CABINET page 12 57 OMNMHTM25RUENUA O Ris powerprotection table of connections OOO IOKVA 1208074 160KVA 200KVA 2500 Imax_ A External fuse F type gG A BYPASS S O BYPASS External fuse G type gG A OUTPUT CO Current A BATTERY os BATTERY 100 load nominal input voltage battery charging inside the UPS no max current protection device is provided on the by pass line this protection must be provided in the system 3 1 2 Selectivity The system where the UPS is inserted must be set up in such a way that in the event ofa shortcircuit on one of the lines downstream of the UPS the fuse on the output opens while the upstream fusemormally works This is known as selectivity and ensures that the remaining feeders maintain the power supply H SWBY ep TN 7 p SWOR x Q A SWIN O SN gt we UPS gt Z id NK BATT
64. ut not syachronised with the by pass line procedure b the power supply to the load is interrupted thereforesthis Operation should be effected only if absolutely necessary Procedure a the by pass line is present and its frequency and voltage are suitable the UPS display panel indicates NORMAL OPERATION 1 close all the disconnectors SWMB the control logic automatically disables the inverter 2 open all the switches on the device SWIN SWOUT SWBY and the battery cabinet disconnectors fuses and keep only disconnectors SWMB maintenance by pass line closed The control panel remains off N B After carrying out the operations indicated above personnel must wait around ten minutes for the capacitors to discharge before working on the inside of the MASTER HP In this situation during the maintenance operations any disturbance such as a blackout on the UPS supply line would have an effect on the equipment powered since the batteries are deactivated in this state OMNMHTM25RUENUA page 47 57 O Ris powerprotection Procedure b The by pass line is outside the acceptance field the following message 1s seen on the display panel BAD BYPASS VOLTAGE or SWBY OFF l open all the switches on the device SWIN SWOUT SWBY and the battery cabinet disconnectors fuses The control panel will remain off 2 before closing switches SWMB and connecting the loads ensure that both the frequency and voltage of the suppl
65. ws a non simultaneous start up of several UPSs VVA connected to the same mains The time for the start up tl 2 Setting setting this avoids oversizing any generator that may be located input 0 WU current A h at the UPS input ul VI 7 802 VU 777 UU S Vu WITT V 7 yy d Ui to 7 t2 black out lt The rectifier carries out the following functions feeds the inverter with direct voltage automatically charges the battery optimizes the input power factor by means of an automatic charging System The system for the cyclical recharging of the battery has two phases The first phase consists in recharging the battery with limited curr nt afid increasing voltage up to the preset charge value Vb_max This phase is maintained until the battery is fully charged Batt 100 Ah which is detected by measuring the current entering the battery In the second phase with the battery fully charged the battery charger is deactivated so as to remove any residual current in the battery in order to lengthen its lifespan and to prepare the rectifier for the optimization of the input power factor A cycle is also automatically effected to check the state of charge and to reintegrate the normal battery auto discharge BATTERY This is the energy reserve t mpower the load when power is no longer supplied to the UPS It is housed in one or more
66. y line are sufficient to power the connected loads N B After carrying out the operations indicated above personnel must wait around ten minutes for the capacitors to discharge before working on the inside of the MASTER HP After the maintenance operations have finished restart the UPS by following the instructions infhe section on START UP PROCEDURE see page 44 and then open disconnector SWMB if closed The MASTER HP will return to NORMAL OPERATION Insertion and removal with UPSs operating hot swap The hot insertion and removal of the UPS can only take place if the systems configured with the RJ45 female RJ45 female shielded adaptor cable as showm in the figures below The hot insertion and removal of the UPS makes technical support easierand improves the reliability of the system With this procedure it is not necessary to shut down all the UPSs 11 order to add or remove a unit Hot insertion and removal can only be done on systems comprising UPSs with the following characteristics The UPS system must be prearranged with a distribution panel for power connections The UPS system must be prearranged with a RJ45 female RJ4S5 female shielded adaptor cable not provided with the UPS All the UPSs in the system must have the samedasniware Version Example of hot insertion UPS 1 UPS 2 A UPS parallel cable type RJ45 RJ45 female RJ45 female shielded adaptor cable UPS BY PASS CABLE

UNINTERRUPTIBLE POWER SUPPLY User Manual

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