the user manual
Contents
1. A Warning High temperatures present Localized areas of high temperature gt 70 C may occur within the rectifier inverter distributor rack Take precautions against accidental burns A Warning Moving parts Devices such as rectifiers and environmental control for cabinets contain fans These may also continue to rotate for some time after the power has been removed A Warning Heavy equipment The weight of the equipment requires suitable safety considerations Additional personnel or lifting equipment may be needed Where required the weight of equipment is stated on the front of the unit A Warning Sharp edges Equipment racks may have sharp edges We recommend you to wear gloves AN Caution Do not restrict air flow Fit blank panels for empty rectifier slots to ensure correct air circulation inside the cabinet AN Caution Use only suitable measuring devices Calibrate measuring devices regularly CellD APS 1500A 230 3 SSW Safety instructions 7 Aneuta 29 2 Specific instructions Please observe all warning labels and notifications on the equipment Additional warnings cautions and notes specific to certain equipment and or conditions are described in the context of the relevant instructions Please read all documentation relevant to the given task Where devices such as batteries that are not supplied by Delta are used please read and observe all safety notices and instructions supplied by the appro2. 5012227500 00 Table of contents Aneuta 1 ANE NNM 3 1 1 Preparing for the installation rronrrrarrrnnnernnrrvnnrrvnnrrrarrrnanernarennnrnnasennnne 3 1 1 1 Document conienLuuuvrvcsvesenumsem uijemensaene 3 1 1 2 Contents of packing Lavere eee 3 US Before you DOGIN cccccscccssceceseeceeeceueeceucecausesueeeseeseaeessueess 4 1 1 4 Unpacking NE SE PN aavsesrmeannadsemsannosnmnaeamaKdvke 4 2 SN WS COINS re 5 2 1 About legal and safety information rrrnrernnrrrnnnrrnnrrranrrnnnernnnevnnnnrnnennnne 5 2 2 Legal statement ccccccccccscccssceceeeecseeccseeceeeeceueeseueesseeseueeceueesseeenaaes 5 2 2 1 Statement Of compliance rrrnnrnnnnnnnnnnranerranennnnrnnnnnvnnnnnnnrnnnnennn 5 2 2 2 LIMIAONS EEE ancl doucimveatdomend 5 223 The party devices surret 6 23 Safety instructions Luse nmdb nnkeauem dan daen ad pdaloowd suimeiuknsanede stamart 6 2 3 1 General instructions cccccccsseeceseeceeeeceeeccaeeceusecaueesseeeseeeeaes 6 232 Specific Instructions rrnanrnnnnrnnnnnvnnnvnanrnnanrnnnnnnnnnnnnnrenanennnnennn 8 3 Installation ANd COMMISSIONING rarnnnnnrnnrrnnrranrrnrrrnnrrarenanenanennnennrennsennennsennsennee 9 3 1 CellD APS 1500A 230 3 SSW system configuration rrrrranrnnnnennnnernn 9 ES EEE 10 3 2 1 Mechanical assembly rrrrannrnnnonnnnernnnrnnnnrranrnnnnennanennnnnnnnennnne 10 3 2 2 EA 11 39 COMMISSIONING EE 3 3 3 1 Starting up the system rr
3. rarrrrnrrnnnrrvnnnrrarenrarennanennn 18 4 3 4 Alarms and fault conditions in inverter module 06 18 4 3 4 1 Fault overload LED continuously lit rrrrnnernnnennn 18 4 3 4 2 Parallel LED flashing alone rrnnnrrrnnnnrnnnnranevnnnennn 19 4 3 4 3 Input LED flashing alone rrnnnrnnnnrnnnnnvnnrnnanrnnnnennn 19 4 3 4 4 Fault LED flashing with Input LED rrrorrrrnrernnnrnns 19 4 3 4 5 Fault LED flashing with Parallel LED 0 00 19 4 3 4 6 Fault LED flashing with Output LED 000 00 19 4 3 4 7 Fault LED flashing with Output and Parallel LEDs 19 4 3 4 8 Fault LED flashing alone rrnnnrnnnrornnnnvnnrnnnnennnnennn 19 4 4 User programmable parameters rrrnnrnnnrnnnrnnnrnnnrrnnrnnnnrnnnrnnnnnnnnnnnnnnnnn 20 4 4 1 User programmable parameters in static switch 20 4 4 1 1 Default SUPPLY cece ceeeeeeeeeeeseeeeseeeeaeeeeaes 21 2412 MPUIMS uussanaeaane enken 21 4 4 1 3 Temperature r rrrrnrnrrnrrrvanrrnanrrnnnrnnnnrvnnrrnanennnnenne 23 CellD APS 1500A 230 3 SSW Table of contents Aneuta 4 4 2 User programmable parameters in inverter module 24 4 4 2 1 Input voltage cc eeccceececeeeeeeeeeeeeeseeeeseeeeseeeeaes 24 4 4 2 2 Output voltage 0 00 cece eeeeseeeeeeeeseeeeseeeeaeeeeaes 26 4 42 3 TeOMperature cccccccsscccssceceeecceeeceueeceneesseeeeeeeeaes 27 4 5 Contacting Delta customer service
4. rrrnrrrnanarnanrnnnnrnnnnnnnnnnnnnennaennnnennn 28 Technical specifications CellD APS 1500A 230 3 SSW rrrarnnnnnnnnnnannnanennnen 29 CellD APS 1500A 230 3 SSW Table of contents Aneta 1 About this document 1 1 Preparing for the installation 1 1 1 Document content This document contains the following sections Safety instructions Product description Delta outdoor cabinet only with outdoor cabinets Installation and commissioning Troubleshooting Appendix 1 1 2 Contents of packing The package contains the following items e System e Documents user manual CD Extras circuit diagram s component layout s CD and appendices on the manual pocket Extras Power Systems User manual User manual DPS 2400B 48 6 neuta 3701125800 00 Figure 1 User manual and CD e Possible inverters e Possible cables DC supply cables AC supply cables CellD APS 1500A 230 3 SSW About this document 3 Aneuta Before you begin Step 1 Step 2 Step 3 Ensure that you have all the equipment needed to make a proper installation of the system Also ensure that grounding terminals DC and AC distributions are properly available Take care that the regulations of IEC 60364 and CENELEC HD384 concerning installation and assembling of telecommunication and electrical equipment have been noticed The local regulations and special instructions must also be noticed during the work When choosing the place
5. after a while and bypass switches to the mains supply This parameter defines how low the output power has to decrease before switching back to inverters This hysteresis may be necessary to prevent oscillation because there may be a difference between mains and inverter voltages and also the power taken by the load may change when switching to the other supply So it is possible that when the mains supply is used the loading is lower than 100 of inverter nominal load even if it is higher than 100 when inverter supply is used Note There is a restart delay in the inverter parameters It is not possible to switch back to inverters before this delay has expired and inverters have restarted Delay to return from backup supply to default supply When the default AC supply has failed and is restored the bypass switches back to the default supply after this delay When there are disturbances in the mains voltage these problems may repeat several times during some seconds before the condition is totally over To prevent unnecessary switching to the backup supply and immediately back to the default supply the user can set this delay so that the bypass waits for some seconds before switching back to the default supply The delay can be from 2 to 60 s During this delay the Inv In Use or Mains In Use LED is flashing but Inv Failure and Mains Failure leds are off Input limits Mains Mains RMS min and max Minimum and maximum allowed mains RMS
6. alarms set the over temperature alarm level to a high value 0 to 5 degrees below the shutdown level Inverters running at light constant load and not in high environment temperature More temperature sensitive AC loads are mounted in the same cabinet CellD APS 1500A 230 3 SSW Troubleshooting 27 Aneuta 4 5 28 Set the over temperature shutdown level to lower value than maximum This will protect the AC loads from overheating if the temperature in the cabinet abnormally rises Fans if the fan option is installed Low speed temperature or always running Above this temperature the fans start to operate at low speed Unit degree in C Selecting always running will cause fans to run at low speed also in cold environment High speed temperature Above this temperature the fans start to operate at full speed Unit degree in C Temperature hysteresis When the temperature drops this hysteresis degrees in C below low speed temperature limit the fans will stop Note Too small hysteresis may cause fans to continuously going on and off Contacting Delta customer service If an alarm or specific problem cannot be resolved please contact your nearest Delta office or Delta representative for further assistance Please have the system type and serial number ready before contacting Delta CellD APS 1500A 230 3 SSW Troubleshooting Aneuta 5 Technical specifications CellD APS 1500A 230 3 SSW
7. be shut down totally by turning all DC input rocker switches to the OFF position Step 3 The optional static switch can be turned off by shutting all AC inputs Turn the manual by pass switch step by step to the OFF position CellD APS 1500A 230 3 SSW Installation and commissioning 4 1 4 2 4 3 4 3 1 Aneta Troubleshooting About this document This document provides only basic information to assist in identifying and recovering from potential problems with Delta Energy Systems The most accurate information can be found in the documents of the inverter module and static switch supplier Refer to the User manual DAC60000 inverters amp DAC60000 dual inverters and User manual BPU 69000 6kVA static switch amp BPU 69000 dual 7 5kVA static switch amp BPU 69000 dual 30kVA static switch for more information Standard troubleshooting procedure Troubleshooting is always initiated by an alarm Alarms may be monitored remotely or locally Relay alarms trigger LEDs locally but can also be wired for remote monitoring As a standard a Delta Energy Systems inverter system includes terminal blocks for alarm connections Diagnostic for static switch module If the static switch recognizes a fault condition it indicates it by the front panel LEDs In case of a fault the alarm can be reset by resolving the problem in the system Refer to the User manual for more information Diagnostic for inverter module If the inverter recognize
8. not working Try to press the Reset button in the bottom of the front panel Inv failure Inverter output is off inverter voltage or frequency is not in allowed limits or the communication between the bypass and the inverter is not working Use RemoteMonitor software for more accurate information Inv in use The output of the bypass is supplied from the inverter If the LED is continuously lit it is the default supply If the LED flashes it indicates that it is the backup supply Inv found Bypass has found inverters connected to the control bus If this LED flashes with the fault LED the communication bus is disconnected or there are other problems on the communication bus Alarms and fault conditions in static switch module Inv In Use LED flashing Load is supplied from the inverter supply which is working as a backup supply If the Mains failure LED is not lit the bypass is going to switch to the mains supply default supply when the user programmable delay is expired see section 4 3 3 1 User programmable parameters Mains In Use LED flashing Load is supplied from the mains supply which is working as a backup supply If the Inverter failure LED is not lit the bypass is going to switch to the inverter supply default supply when the user programmable delay is expired see section 4 3 3 1 User programmable parameters Inv Failure LED lit Inverter output is off inverter voltage or frequency is not in allowed limits
9. of the installation please notice that the cooling air must flow without restrictions through the ventilation holes The system must have enough space in front of it for operation and service functions Notice the direction of the cabling and the required space of the other equipment Unpacking the system Step 1 Check that the received cargo is according to the packing list Step 2 Ensure that the rack and the equipment are not damaged during transportation CellD APS 1500A 230 3 SSW About this document 2 1 2 2 2 2 1 2 2 2 CellD APS 1500A 230 3 SSW Safety instructions Aneuta Safety instructions About legal and safety information Please read all safety and legal information given provided here before working with any Delta products Ignoring these instructions may result in damage to the equipment health hazards or loss of life These safety instructions are an extension of any national laws governing health and safety at work and the applicable standards as well as any regulations of the statutory authorities Installation shall only be performed by trained persons familiar with the local installation regulations The local installation regulations must always be followed covering installations in the building and main AC distribution panels It is also necessary to follow the instructions provided in the system user manual for installation commissioning operation and maintenance Legal statements Stat
10. use HelpD is our global support team its task is to make everything easy for you The full range of Delta Power Systems keeps you powered and allows you to concentrate on what is most important for you your business www deltapowersolutions com NELTA C
11. voltage before switching to the inverter supply Mains Hysteresis low and high Hysteresis affects the limit at which the mains voltage is considered good if it was out of the allowed limits E g if Mains RMS min is 200 V and Hysteresis is 10 V the mains voltage must rise above 210 V before it is accepted again If the hysteresis is too small CellD APS 1500A 230 3 SSW Troubleshooting 21 Aneuta 4 4 1 2 2 22 the system will oscillate when mains voltage drops slowly under the minimum level E g in this case when the mains voltage comes down to 199 V the bypass switches to the inverter supply Immediately the mains voltage jumps higher than 200 V because the voltage drop caused by the load current and the mains supply impedance is not present anymore If there is a too small hysteresis the bypass switches back to mains and the sequence repeats The best hysteresis value depends on the load and mains impedance You can find the best hysteresis value at the low limit in a very simple way Just connect the normal load to both supplies by changing the Default supply parameter with the RemoteMonitor software and see how much mains voltage varies Then use a little bit higher value as hysteresis The mains voltage is seen in the main window of the RemoteMonitor The Hysteresis high parameter is not so important because there is no similar problem with the higher limit Reaction delay before switching to inverters Delay to wait befor
12. when output is on Output voltage level will change immediately Output frequency Sets the output voltage frequency in 0 1 Hz steps Can be changed any time also when output Is on The frequency is not changed immediately but slowly with limited speed Changing the frequency from one end of the allowed frequency range to another will take some seconds Alarms Earth short alarm enable If enabled the inverter will alarm if the floating output is shorted to ground Do not enable this alarm if you connect the N conductor to ground Overload shutdown Shutdown delay During heavy overload gt 110 the inverter will automatically turn the output off after this delay Adjustable with 1 s increment from 1 to 5s Restart attempts number or continuous After turning the output off when overloaded the inverter will automatically turn on the output again If it is still overloaded it will turn off the output again The number of restart attempts can be limited If this number is reached the output is not turned on anymore before user presses the ON button s or sends Remote On Command from a remote computer Zero value means no automatic restart attempt after overload Adjustable from 0 to 254 Restart delay Delay after turning off the output before automatic turn on Adjustable with 1 s increment from double the shutdown delay to 65535 s approx 18 hours Forget delay Inverter resets its restart counter when output has been continuously
13. DC Voltage range 40 72 Voc Nominal current 3 x 35 Apc ae current 3 x 50 Aoc Terminal 3 x 35 mm fa e 1 x 120 A or 3 x 35 A AC voltage nominal 230 Verus Frequency nominal 50 Hz Connections L N PE AC input Fuse 40A Voltage nominal 230 Vrus 1 208 220V 230 240 Vrms configurable Frequency 50 Hz 0 05 Hz Power nominal 3000VA 2400W Current nominal 13 Arms Manual bypass Yes PDU MCB DPN 12pcs 2A 10A Connections 16 mm L N PE Ordering information Product line number 3791244300 Description APS 1500A 230 3 SSW Height overall 6 U 266 mm Width overall 19 IN 483 mm Depth overall 480 mm Weight full system 20 kg Efficiency gt 90 Operating temperature 5 to 45 C Relative humidity 95 max non cond Safety IEC EN 60950 EMC EN 300 386 2 Protection class IP 20 Indicators LED Remote alarm ee HELE Control and monitoring RS 232 diagnostic and configuration software See inverter fact sheet API 1500A 230 See static switch fact sheet SSW 7500A 230 Subject to change without notice CellD APS 1500A 230 3 SSW Technical specifications CellD APS 1500A 230 3 SSW 29 Our InD OutD and HelpD series are designed to complement each other InD stands for indoor power systems while OutD solutions are created for demanding outdoor
14. Fault LED flashing with Input LED Input voltage is below the low input voltage stop level or above the high input voltage stop level and the output voltage will be turned off after the preset delay user programmable if it is still on Output LED indicates the status of the output voltage Fault LED flashing with Parallel LED Communication with other inverters or external bypass switch does not work properly Fault LED flashing with Output LED Output cable not connected In the parallel operating inverter system a module that has not output on does not find the output voltage generated by the other modules in the output connector Fault LED flashing with Output and Parallel LEDs Communication cable not connected There is AC voltage generated by other modules present in the output connector even this module gets no information from the other modules Fault LED flashing alone The fault LED flashes a number of times and after a short pause repeats the sequence Number of flashes indicates the fault In the following are listed the numbers of flashes and the corresponding faults For more accurate fault information use the RemoteMonitor software 1 Reserved 2 Over temperature Temperature is over the Over temperature alarm level user programmable parameter 3 Earth short One of the output connectors is connected to ground when Earth short this alarm is enabled user programmable parameter CellD APS 1500A 230 3 SSW Troubl
15. Hazardous voltages are present within the equipment when a source of electrical power is applied There is the risk of electrical shock from the main power supply and or batteries When working on equipment with power applied supervision of personnel is required The supervisor must be capable of providing first aid in the event of electrical shock Provision of an emergency switch or disconnection strap is not sufficient protection CellD APS 1500A 230 3 SSW Safety instructions Aneta There is increased risk of accidents and electrical hazards when working on compact equipment due to the close proximity of components Operation of compact equipment requires extra attention to safety A Warning Protective shields and other safety devices provided with the equipment must be in place when the equipment is operated The power system may have dual energy supply Hazardous voltages may be present at the main power connector and within the equipment for up to 10 seconds after disconnecting the power supply The operator is responsible for securing the proper precautions for maintenance or service purposes During installation and maintenance protective shields may be temporarily removed Use suitable insulated tools and appropriate protective clothing Handle fuses only with tools provided for this purpose for example load break switch handles Adequate insulation from ground potential earth must be provided when working on the equipment
16. e bypass will turn its output off to protect the internal components if the temperature becomes very high Note This feature is not normally needed and exists only in special models Standard bypass does not have this feature and it cannot be enabled Shutdown level In special models if shutdown is enabled the bypass will automatically turn off its output when internal temperature rises over this level Over temperature alarm will be given if it is not already on Normally this value should be set to maximum Unit degree in C Fans Only in the models that have fans installed Low speed temperature or always running Above this temperature the fans start to operate at low speed Unit degree in C Selecting always running will cause fans to run at low speed also in cold environment CellD APS 1500A 230 3 SSW Troubleshooting 23 Aneuta 4 4 2 4 4 2 1 4 4 2 1 1 24 High speed temperature Above this temperature the fans start to operate at full speed Unit degree in C Temperature hysteresis When temperature drops this hysteresis degrees in C below low speed temperature limit the fans will stop Note Too small hysteresis may cause fans to continuously going on and off User programmable parameters in inverter module In order to check and modify the user programmable parameters you need the DAC60000 RemoteMonitor software This easy to use monitor and control software for Windows environment gives you a safe
17. e switching to inverters when using mains as default supply and the instant value of the mains voltage goes out of the allowed limits User can adjust the delay according to sensitivity of the load Too short delay may cause unnecessary transfers to inverters if there are short disturbances in the mains Minimum delay is 1 ms Note that the real transfer time is this reaction delay time 1 ms for switch over Maximum programmable value is 20 ms However long delay time is not accurate If the delay time is more than 8 ms there is always one zero crossing in the delay period Near zero crossings a zero mains voltage is always acceptable and the delay counter does not count This lengthens the actual delay time If the delay time is more than approx 10 15 ms it has no effect anymore because the RMS value measurement reacts faster Mains freq min and max Minimum and maximum accepted mains frequency If mains frequency is within these limits the bypass synchronizes inverter output to this frequency Otherwise the bypass switches to inverter supply Max frequency change rate Maximum accepted change rate of mains frequency If mains frequency changes with higher rate the bypass switches to inverter supply Inverter Inverter RMS min and max Minimum and maximum allowed inverter RMS voltage before switching to the mains supply The inverter output voltage is normally stable and within the limits Limits are necessary to recognize fast voltage dro
18. ement of compliance Please see the relevant product fact sheet for information Limitations The equipment is mainly intended for telecommunications purposes only The equipment is not intended for use in applications in which the failure of the equipment could lead to death personal injury or severe physical or environmental damage Delta is not responsible for any danger or damage resulting from incorrect installation maintenance operation or usage of the equipment use beyond its intended purpose failure to observe stated instructions and or failure to observe the applicable safety regulations Delta is only responsible for components and services provided by Delta Third party components and or services such as batteries repair and or maintenance used in and or conducted for the equipment are not the responsibility of Delta Furthermore Delta is not responsible for any malfunction or danger of and or damage to resulted from the equipment caused by such third party components and or services Unauthorised modifications to the equipment may result in incorrect operation and or performance The operator is responsible for the consequences of any modification in the hardware configuration that is made without an agreement with the manufacturer or authorised representative Aneuta 2 2 3 2 3 2 3 1 Installation operation and maintenance of the equipment should only be performed by suitably qualified personnel with appro
19. eshooting 19 Aneuta 4 4 4 4 1 20 4 Unit lost One or more inverter modules or the external bypass disappeared from the system because of a fault The other modules alarm 5 Load sharing fault Output loadings of individual modules can not be automatically adjusted to be approximately equal Check that all the output cables are connected 6 Malfunction of internal power stage Try once to restart inverter 7 Control Bus hardware failure or strong external disturbance Try once to restart inverter 8 Temperature measurement failure One of the two temperature measurements has failed 9 Long On or Off key The Output On or Off key has been continuously pressed for more than 5 minutes Probably there is mechanical failure The key is now ignored 10 Internal non volatile RAM read or write error If the system parameters output voltage and frequency etc could not be read the inverter cannot turn the output on before new parameters are written by the RemoteMonitor software Other errors may affect internal e g history file but not prevent output voltage generation 11 Fan fault or the fan option is not properly installed 12 Malfunction of internal circuits Inverter is not working properly 13 Incompatible software or parameters The system has modules that can not operate with each other because incompatible parameter sets or software versions 14 Internal bypass option malfunction or not properly installed User progra
20. g busbar Positive DC supply terminals are already connected to ground via inverters 2 DC supply plus connections _ i lt nt de 1 Grounding mounting point Figure 5 Grounding connection for main PE cable CellD APS 1500A 230 3 SSW Installation and commissioning 11 Aneta Step 2 Connect the AC mains supply cables to the AC power terminals 5 See Table 1 for information about the correct main power supply fuses and type of cables to use Note Use the wiring diagram supplied with the installation documentation to ensure the DC and optional AC power supplies have been correctly connected Note The AC supply connection of the static switch is always a 1 phase connection The tables below show the recommended fuse size of connection and the minimum cable cross sections AC and DC supply connections Cable cross section minimum AC mains supply for static switch 40A gL gG DC supply common for max 2 inverters 80A DC supply common for max 3 inverters 120A DC supply common for max 4 inverters 160A Table 1 AC and DC input cable and fuse size rule Es Note The maximum cable size for the connectors on the neutral and PE bus bars of the distribution MCB is 16 mm Note The DC supply of the system is positively grounded Step 3 Connect the DC supply minus cable s into the DC supply common bus bar or separate pre fuse for each in
21. gher than this start level Adjustable with 0 1 V step Start delay Delay before output is turned on after input voltage has become higher than start level Adjustable with 1 s increment from 1 to 65535 s approx 18 hours CellD APS 1500A 230 3 SSW Troubleshooting 4 4 2 1 2 Aneta Input high Stop level Output will be automatically turned off when the input voltage becomes higher than this stop level Adjustable with 0 1 V step Stop delay Delay before output is turned off after input voltage has become higher than stop level Adjustable with 1 s increment from 1 to 65535 s approx 18 hours Automatic start enable If this is enabled the inverter output will be automatically turned on when input voltage becomes lower than Input high start level See below after the output has been automatically turned off because of too high input voltage higher than stop level Otherwise output stays off until user presses the ON button or sends Remote On Command from a remote computer Start level If automatic start is enabled output will be automatically turned on when input voltage becomes lower than this start level Adjustable with 0 1 V step Start delay Delay before output is turned on after input voltage has become lower than start level Adjustable with 1 s increment from 1 to 65535 s approx 18 hours Note There should be enough hysteresis between the Low Start and Low Stop levels 1 2 V is normally enough if the supp
22. ing the problem or in case of inverter missing fault 4 in section 4 3 4 8 Fault LED flashing alone by pressing shortly the ON button If these solutions do not help try shutting the inverter off by turning the Power On rocker switch to the OFF position and then restart the inverter by turning the Power On rocker switch to the ON position More accurate fault information is available through the RS 232 communication port by using the RemoteMonitor software In addition general status information including alarm no alarm data is available through the RS 232 port by using a very simple protocol ask for DAC60000 Status Query Protocol description Fault overload LED continuously lit Inverter is overloaded If all the load LEDs and output LED are lit the inverter is still supplying AC power to output If they are not lit the inverter has turned the output off CellD APS 1500A 230 3 SSW Troubleshooting 4 3 4 2 4 3 4 3 4 3 4 4 4 3 4 5 4 3 4 6 4 3 4 7 4 3 4 8 Aneuta Parallel LED flashing alone This LED flashes slowly at start up when the inverter is listening to the communication bus to find other inverters in the parallel connected system This check is done also by a stand alone model Input LED flashing alone Output voltage is turned off because of too low or too high input voltage Input voltage is not anymore outside the stop limits but it is still outside the start limits or automatic start is not enabled
23. le parameter 4 Unit lost One or more inverter modules disappeared from the system because of a fault 6 AC power switch failure One of the power switching thyristors or their drive circuit is not working properly Press the Reset button through the hole in the right bottom corner of the panel If the fault repeats the bypass needs service 7 Control bus transmitter receiver HW failure 10 Internal non volatile RAM read or write error If the bypass parameters could not be read from the non volatile memory the bypass uses factory default parameters until new parameters are written by the RemoteMonitor software Other errors may affect internal e g history file but not prevent output voltage generation 11 Fan fault or the fan option is not properly installed 12 Malfunction of internal circuits Bypass is not working properly 13 Incompatible software or parameters The system has modules that cannot operate with each other because of incompatible parameter sets or software versions CellD APS 1500A 230 3 SSW Troubleshooting 17 Aneuta 4 3 3 4 3 4 4 3 4 1 18 Inverter module LED indications Overload fault If the inverter is overloaded or it has turned the output voltage off because of too long overloading this LED is continuously lit The output LED and the load LEDs below tells if the output is still on During fault conditions this LED flashes Refer to section 4 3 4 Alarms and fault conditions in inverter m
24. ly impedance is low With higher input impedance and small hysteresis it is possible that the inverter continuously turns its output on and off when the input voltage at the inverter input connector drops when the inverter takes current Examples Output on always when possible Enable automatic starts Set Input Low Stop level to minimum Input Low Start level 1 2 V higher Input High Stop level to maximum and High Start level 1 V lower Constant backup time for AC loads in battery backup system Set input low stop level to a quite high value e g 50 V in 48 V nominal system and set long stop delay e g 1800 s In many cases this will give approximately constant half an hour backup time Battery voltage will fall after quite short time under 50 V and then the delay starts Rest of the battery capacity is saved for DC loads Delayed AC load startup to make sure that there is enough battery capacity backup time before AC loads are started Set input low start level value to high enough to guarantee needed battery capacity Another way is to use low input low start level and long start delay to give the charger time to charge the battery The best combination depends on the system configuration CellD APS 1500A 230 3 SSW Troubleshooting 25 Aneuta 4 4 2 2 4 4 2 2 1 4 4 2 2 2 4 4 2 2 3 26 Output voltage AC Output Output voltage Sets the level of AC output voltage in 1 V steps Can be changed any time also
25. mmable parameters User programmable parameters in static switch The user can change many parameters that affect the behaviour of the bypass with the RemoteMonitor software All parameters can be modified any time In order to check and modify the user programmable parameters you need the DAC60000 RemoteMonitor software This easy to use monitor and control software for Windows environment gives you a Safe way to change parameters However you must understand what you are doing before you change the parameters Values that are OK in another system may lead to unwanted behaviour in another system Refer to the DAC60000 RemoteMonitor User Manual for details how to read and modify the parameters ALL PARAMETERS CAN BE SAFELY MODIFIED WHEN SYSTEM IS RUNNING AND OUTPUT VOLTAGE IS ON CellD APS 1500A 230 3 SSW Troubleshooting 4 4 1 1 4 4 1 2 4 4 1 2 1 Aneuta Note Parameters have default values programmed at factory and the bypass will operate properly without any programming by user However if needed the user can tune the behaviour of the bypass by modifying the following parameters Also restoring factory setup can be easily done by the RemoteMonitor software Default supply The user can select which supply is the default supply used when both AC supplies are present and which is the backup supply Load level to switch back to inverters after overload If inverter loading is over 100 inverter output will be turned off
26. ns fuse and terminals 15 Standard 19 adjustable mounting brackets 6 Optional distribution socket 16 Optional slide rails 7 Optional RCCB for socket 17 Place for inverter module 8 AC distribution breakers 18 Remote alarm terminals 9 Optional manual by pass switch 19 AC distribution PE terminals 10 Inverter monitoring RS 232 20 Optional AC distribution N terminals Note The bracketed numbers in this instruction refer to the corresponding numbers in Figure 2 Figure 3 Figure 4 and Figure 5 3 2 Installation 3 2 1 Mechanical assembly Step 1 Prepare the system for 19 rack assembly by standard mounting brackets 15 or optional slide rails 16 Mounting brackets have several possible mounting positions in depth dimension The slide rails are mounted into front position Step 2 Lift the unit into 19 cabinet Fasten the mounting screws When using slide rails secure the assembly into the rack by fastening the inverter shelves into the rack 10 CellD APS 1500A 230 3 SSW Installation and commissioning Aneuta 15 Side flanges 15 Side flanges Figure 4 The basic 19 inch mounting flanges can be on several depth positions Step 3 Remove the roof and any protective covers from the system unit in front of the distributions and connections 3 2 2 Cabling A Warning All circuit breakers must be in the OFF position and all fuses must be removed Step 1 Connect the frame grounding 1 to the main groundin
27. odule for more accurate information about indicating fault conditions Output power This 4 LED bar display indicates the output loading in percent compared to nominal apparent and active power ratings Output on This LED is lit when the output voltage is on In parallel operation it flashes with the fault LED when there is a fault in the output connection Refer to section 4 3 4 Alarms and fault conditions in inverter module for more accurate information about indicating fault conditions Input on This LED is lit when the input voltage is connected and is in acceptable limits Refer to section 4 3 4 Alarms and fault conditions in inverter module for information when this LED flashes Parallel This LED flashes slowly at start up when the inverter is listening to the communication bus to find other inverters in the parallel connected system This happens also even if the inverter is a stand alone type The stand alone inverter checks that it is not connected to any other inverter After a slow flash the parallel LED is turned off if there are no other inverters on the communication bus and turned on if it recognizes another inverter on the bus and synchronizes to it Alarms and fault conditions in inverter module If the inverter recognizes a fault condition it uses the front panel LEDs to alarm the user In the following the possible alarms and the corresponding faults are described In case of fault the alarm can be reset by resolv
28. on at least this delay Adjustable with 1 min increment from 1 to 65534 min approx 45 days Examples Overload conditions are common and not serious e g motor startup Use maximum overload capability and automatic recovery after overload shutdown Set overload shutdown delay to maximum Set restart delay to minimum Set number of restart attempts to continuous or a high value Overload indicates serious fault in system that must be repaired before reconnecting output voltage e g only short inrush currents exist and supplying current to a failed device may cause risk of fire hazards Use as short overload shutdown delay 1 s as possible but long enough to supply inrush currents needed Set restart attempts to zero CellD APS 1500A 230 3 SSW Troubleshooting 4 4 2 3 4 4 2 3 1 Aneta Temperature Over temperature Alarm level Inverter will give over temperature alarm when any of the two measured internal temperatures is over this level Unit degree in C Shutdown level Inverter will automatically turn off its output when any of the two measured internal temperatures rises over this level Over temperature alarm will be given if it is not already on Normally this value should be set to maximum to get the specified nominal power at the maximum specified environment temperature Unit degree In C Restart attempts After turning off the output because of over temperature the output will be turned on again when temperatu
29. or the communication between the bypass and the inverter is not working Use RemoteMonitor software for more accurate information Mains failure LED lit Mains voltage or frequency is not in allowed limits Use RemoteMonitor software for more accurate information Fault LED continuously lit The microcontroller of the bypass is not working Try to press the Reset button to return to normal operation CellD APS 1500A 230 3 SSW Troubleshooting 4 3 2 6 4 3 2 7 4 3 2 8 4 3 2 9 4 3 2 10 Aneuta Overload LED lit Inverter system is overloaded or would be overloaded if the load was switched to the inverters This LED is lit also if output power exceeds the maximum power of the bypass Fault LED flashing with Inv found LED Communication with inverters does not work properly Check the Control bus cable Fault LED flashing with Inv failure LED Inverter AC output on but not connected to bypass Fault LED flashing in opposite phase with Inv failure LED Voltage on inverter AC bus has wrong polarity Check the cables Fault LED flashing alone The Fault LED flashes a number of times and after a short pause repeats the sequence Number of flashes indicates the fault In the following is listed the numbers of flashes and the corresponding faults For more accurate fault information use the RemoteMonitor software 1 Reserved 2 Over temperature Temperature is over the Over temperature alarm level user programmab
30. place when the equipment is operated During installation and maintenance protective shields may be temporarily removed Suitable insulated tools and appropriate protective clothing must be used Check that the connections are made according to the installation instructions and the wiring diagram Step 4 Step 5 Step 6 Step 7 Step 8 Ed Step 9 Step 10 Switch on the optional AC mains power supply to the system Switch on all the DC input breakers 4 Turn all DC INPUT rocker switches on inverter modules to the ON position Operate the switches in min 1s sequence in the preferred bus address order When all parallel LED lights stop flashing the inverter system is ready for operation Press TWO AC ON buttons simultaneously on separate inverter modules at least 1s to turn on the output voltage The output LEDs turn on Turn the manual by pass switch step by step to the AUTO position That will start the static switch automatically Note Stay at the minimum 2s in the position SYNC for synchronizing the inverter system with AC mains Turn all required AC load breakers on Check the output load level from the LED bar indicator on the inverter modules CellD APS 1500A 230 3 SSW Installation and commissioning 13 Aneuta 3 3 2 14 Switching off the system Step 1 Turn off the output of all inverters at the same time by pressing TWO AC OFF buttons on the inverter modules at least 1s Step 2 Inverters can
31. priate manufacturer or supplier CellD APS 1500A 230 3 SSW Safety instructions Aneuta 3 Installation and commissioning 3 1 CellD APS 1500A 230 3 SSW system configuration 2 DC supply plus connections 8 AC distribution breakers 1 Grounding mounting point 3 DC supply minus connection 3 Syr 4 DC supply inverter pre fuses 16 Optional slide rails 10 Inverter monitonng RS 232 11 19 1 5U shelf for inverter and 745 KVA static switch modules 14 Plug in static switch module 7 5 KVA lt _ 12 19 1 5U shelf for two inverter modules 13 Plug in inverter module 1 5 kVA 13 Plugin inverter module 1 5 kVA 17 Place for inverter module 5 Optional AC Mains fuse and terminals 6 Optional distribution socket T Optional RCCB for socket Figure 2 Inverter system CellD APS 1500A 230 3 SSW front view 18 Remote alarm terminals 19 AC distribution PE terminals 20 Optional 15 eve re AC distribution mounting brackets Merle Figure 3 Inverter system CellD APS 1500A 230 3 SSW back view CellD APS 1500A 230 3 SSW Installation and commissioning 9 Aneuta 11 19 1 5U shelf for inverter and 7 5 kVA 1 Grounding mounting point static switch modules 2 DC supply plus connection 12 19 1 5U shelf for two inverter modules 3 DC supply minus connections 13 Plug in inverter module 1 5 kVA 4 DC supply inverter pre fuses 14 Plug in static switch module 7 5 KVA 5 Optional AC Mai
32. priate training The operator is responsible for ensuring that personnel working with the equipment are provided with appropriate operation and safety training The operator is responsible for ensuring that the location of the system is treated as an electrical equipment room These rooms must have appropriate air conditioning and restricted access The operator is also responsible for ensuring that the system rack doors are securely locked and not accessible to unauthorised persons The equipment must be installed on an incombustible base e g on a concrete floor If the power supply to the system is not fitted with a disconnecting switch or equivalent device the operator is responsible for fitting an appropriate disconnection switch conforming to the relevant regulations Third party devices Delta is not responsible for devices such as batteries that are not supplied by Delta Delta is not responsible for any danger or damage resulting from devices not supplied by Delta Safety instructions Warnings cautions and notes are used to identify important information They are classified as follows A Warning A warning means that injury or death is possible if the information or instructions are not obeyed AN Caution A caution means that damage to equipment is possible if the information or instructions are not obeyed Note Notes are additional information which may be useful to the operator General instructions A Warning
33. ps in fault conditions like very high overload or accidental loss of inverter DC supply CellD APS 1500A 230 3 SSW Troubleshooting 4 4 1 3 4 4 1 3 1 4 4 1 3 2 Aneta Inverter Hysteresis low and high See Mains Hysteresis low and high parameter Because it is very unlikely that inverter output voltage comes to minimum RMS limit without a heavy overload it is not normally necessary to adjust these parameters Reaction delay before switching to mains Delay to wait before switching to mains when using inverters as default supply and the instant value of the inverter voltage goes out of the allowed limits A too short delay may Cause unnecessary transfers to mains if load takes high inrush currents Minimum delay is 1 ms Note that the real transfer time is this reaction delay time 1 ms for switch over Maximum programmable value is 20 ms However long delay time is not accurate If the delay time is more than 8 ms there is always one zero crossing in the delay period Near zero crossings a zero voltage is always acceptable and the delay counter does not count This lengthens the actual delay time If the delay time is more than approx 10 15 ms it has no effect anymore because the RMS value measurement reacts faster Temperature Over temperature Alarm level Bypass will give over temperature alarm when any of the two measured internal temperatures is over this level Unit degree in C Enable shutdown If shutdown is enabled th
34. re has dropped enough If temperature rises over the over temperature shutdown level again the output will be turned off again The number of restart attempts can be limited If this number is reached the output is not turned on anymore before user presses the ON button s or sends Remote On Command from a remote computer Zero value means no automatic restart after over temperature Adjustable from 0 to 254 Restart hysteresis The output is automatically turned on when the temperature drops more than this restart hysteresis in degree C Forget delay Inverter resets its restart counter when output has been continuously on at least this delay Adjustable with 1 min increment from 1 to 65534 min approx 45 days Note Using too small hysteresis value will probably cause unwanted oscillation that has a period of some seconds Using short forget delay with high hysteresis may cause the inverter to always forget over temperature conditions before the next can occur This causes always continuous restarting Examples Inverter running at light constant load and not in high environment temperature Setting over temperature alarm level to value not much higher than the normal internal temperature level check it with the RemoteMonitor software an early alarm will be given if the temperature abnormally rises in the cabinet Inverters running often in high environment temperature and at high load To prevent unnecessary over temperature
35. rrnnnrnnnrrnnnrrnanennnnnvnnnnnnnrnnnnnnnnnnnnnnee 13 3 3 2 Switching off the system arrrnnnrnnnnennnnnnnnnnnannnnnnrnnnnnnnnnnnnnnen 14 A TouDl sShooMmf uvuaanasvensmumwasmnpsspemnmusjuuvetins jvevnmetv unsvvrdnn 15 4 1 About this document rronnrnannrnanennnnennnnnnnnnnnnnrrnnnennnnrnnnnnnnsnnnnnennasennnnennn 15 4 2 Standard troubleshooting ProCedure arrrrararrarernnnernnnnnnnnnrnnennanennnnennn 15 4 3 System status indications rarrrrnrernnrrrnnrrranrrranernnnernnnnnnrrrnernnrennnnennn 15 4 3 1 Static switch module LED indications rrrrorrrrarernarernnrennnnn 15 4 3 2 Alarms and fault conditions in static switch module 16 4 3 2 1 Inv In Use LED flashing rrrrnrernnrrrnnnrranrrranennnnenen 16 4 3 2 2 Mains In Use LED flashing arrrnnnrrrnnnrrnrrnranevnnnennn 16 4323 Inv Failure LED M uimvnensenesneenemintstesmnne 16 4 3 2 4 Mains failure LED lit reronnrrnnornnnrornnrernnrrrnnennanennnnennn 16 4 3 2 5 Fault LED continuously lit rarernnrrrnnrrrnrrnrarernnnennn 16 4 3 2 6 Overload LED lit uLanserersserpsmerumtuieane 17 4 3 2 7 Fault LED flashing with Inv found LED 17 4 3 2 8 Fault LED flashing with Inv failure LED 17 4 3 2 9 Fault LED flashing in opposite phase with Inv failure EN 17 4 3 2 10 Fault LED flashing alone rrrnnrnnnrennnnnrnnrnvanennnnennn 17 4 3 3 Inverter module LED indications
36. s a fault condition it uses the front panel LEDs in indicating it to the user In case of a fault the alarm can be reset by resolving the problem in the system In case of an alarm on the inverter refer the User manual press shortly the ON button If this procedure does not help try shutting down the inverter by turning the Power On rocker switch to the OFF position and then restart the inverter by turning the Power On rocker switch back to the ON position Refer to the User manual for more information about alarms system status indications Static switch module LED indications Overload The inverter system is overloaded or would be overloaded if it was used to supply the load or the load current exceeds the maximum allowed output current of the bypass Mains failure Mains voltage or frequency is not in allowed limits Use RemoteMonitor software for more accurate information Mains in use The output of the bypass is supplied from the mains If the LED is continuously lit it is the default supply If the LED flashes it indicates that it is the backup supply CellD APS 1500A 230 3 SSW Troubleshooting 15 Aneuta 4 3 2 4 3 2 1 4 3 2 2 4 3 2 3 4 3 2 4 4 3 2 5 16 Synchronized Inverter output voltage is synchronized to the mains voltage Fault Flashes when there is a fault in the system Use RemoteMonitor software for more accurate information If this LED is continuously lit the microprocessor of the bypass is
37. verter module Step 4 Connect the remote alarm cables to the remote alarm terminals 18 Note Alarms are connected in normal operation so that the alarm circuit is closed NC and in case of registered fault the circuit is open NO Step 5 Connect the load distribution cables to the PE bus bar 19 and load breakers of the system When the AC distribution is protected with 1P MCB s the system has separate neutral N 20 and earth PE bus bars 19 Step 6 Connect the line wires directly to the connections of the AC distribution circuit breakers or fuses 8 Step 7 Install all protective covers to the equipment 12 CellD APS 1500A 230 3 SSW Installation and commissioning Aneuta 3 3 Commissioning 3 3 1 Starting up the system Taking the system into use is presented below step by step Step 1 Step 2 Step 3 Ed A Check that all inverter module main switches are in the OFF position Plug in the inverter modules to the inverter shelves 14 of the system The modules are secured with a lever on the front Plug in the optional static switch to the inverter shelves 14 of the system The static switch is situated on the right hand side slot in the upper shelf Note One inverter shelf version has only two slots for inverter modules without option for static switch The modules are secured with a lever on the front Warning Protective shields and other safety devices provided with the equipment must be in
38. way to change parameters without turning off the output voltage However you must understand what you are doing before you change the parameters Values that are OK in another system may lead to unwanted shutdown of your inverter system Refer the DAC60000 RemoteMonitor User Manual for details how to read and modify the parameters ALL PARAMETERS CAN BE SAFELY MODIFIED WHEN SYSTEM IS RUNNING AND OUTPUT VOLTAGE IS ON Note Parameters have default values programmed at factory and the inverter will operate properly without any programming by user However if needed the user can tune the behavior of the inverter by modifying the following parameters Also restoring factory setup can be easily done by the RemoteMonitor software Input voltage Input low Stop level Output will be automatically turned off when input voltage becomes lower than this stop level Adjustable with 0 1 V step Stop delay Delay before output is turned off after input voltage has become lower than stop level Adjustable with 1 s increment from 1 to 65535 s approx 18 hours Automatic start enable If this is enabled the inverter output will be automatically turned on when input voltage becomes higher than input low start level see below Otherwise output stays off until user presses the ON button or sends Remote On Command from a remote computer Start level If automatic start is enabled output will be automatically turned on when input voltage becomes hi
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