User`s Manual - Clean Energy Solutions
Contents
1. Page 18 of 36 that may be fed into the grid per day Set Installation Parameters INST PV GRID PV total power Vmpp Grid Voltage amp Frequency Set Battery Parameters a ew Nominal Min Max Voltage Max Current Capacity in Ah 10 FACTORY FP Factory set parameters FACTORY UP 8 2 USER S INSTRUCTIONS Use lt P to select active field Active field appears blinking Press ENTER once to quit without saving Press ENTER for 3 seconds to save values 1 SYSTEM SETUP Set local time and date 2 COUNTRY SPECS Select grid characteristics according to the country of installation 3 OPERATION MODE The IPM may operate in any of four modes as a different device Select the mode of operation here 4 FEED IN TIMES When the indication ENABLED appears feed in is allowed at all times Feed in can be restricted to two time intervals per day Press A to start changing times 5 GRID CONSUMPTION When the indication ENABLED appears grid consumption for charging the battery is allowed at all times It can be restricted to two time intervals per day as in 4 Page 19 of 36 6 BAT CONSUMPTION When the indication DISABLED appears the battery is never fed into the grid Battery feed in times are set as in 4 If the battery is already in feed in mode the PV can also be connected for feed in The opposite sequence is not possible 7 FEED IN PWR LIMIT When the indication LIMITS DISABL2. DL On ASUS obio iicica Page 5 of 36 11 12 14 15 LS 20 22 27 27 28 29 31 32 1 INTRODUCTION The IPM is a DC to AC inverter for photovoltaic panels capable of connecting in parallel to the public grid Besides simply feeding power into the grid the IPM allows the user to also manage it Through programming the IPM is capable of directing energy to batteries supporting local loads and retrieving the stored energy from the batteries The IPM is offered in two power ratings 2 5 kVA and 5 0 kVA Its intended use is for single phase home and industrial applications It features full galvanic AC DC isolation and is capable of supporting loads with high start up current requirements In general the IPM operates in any of four modes 1 Auxiliary Power Unit APU 2 Parallel Connection to the grid Feed in 3 Stand alone operation Island 4 Battery charging In APU mode the IPM is connected to the grid and can feed in to or consume energy from the grid at times specified by the user It can also store and retrieve energy to from the batteries This capability allows the IPM to function as an Auxialry Power Unit APU that will support the local load by means of the photovoltaic and the battery when the grid fails In Feed in mode all power produced by the photovoltaic panels is fed into the grid The user can specify time intervals within the day that this is allowed In stand alone mode
3. Therefore one or both pairs may be used depending on system needs If both are used make sure the same number of panels is connected to both of them Switch the IPM main switch to the ON position Switch the building main breaker to the ON position Switch the grid breaker to the ON position Switch the load breaker to the ON position 8 OPERATION The IPM is the central device of a system that is intended to harvest renewable energy and save on energy consumption The function of IPM is to manage the energy flow to and from its peripheral devices and the grid For this reason it is very important that the user specifies the Page 14 of 36 Parameters that describe his system and the Parameters that indicate his preferences with regard to energy use 8 1 Overview When the IPM main switch is flipped to ON the device starts operating Normally this switch always remains in the ON position It is only turned off for device or system maintenance The IPM is powered by the battery and the photovoltaic As soon as the voltage of either of these sources is higher than 80 VDC the device powers up The first display shows Device status A series of displays indicate the values of other device Parameters and also values that can be changed according to user preferences The displays are arranged in two columns The display menu and the settings menu Four items of each column appear on the screen at any time DISPLAY MENU SET
4. the IPM manages the power of the building without being connected to the grid It stores energy in batteries and retrieves it and also supports local loads by utilizing the photovoltaic and the battery Page 6 of 36 The IPM has been designed for minimum power loss due to voltage conversions and is particularly suitable for applications that require increased energy storage capacity and support loads with high start up currents The sections that follow describe the safety features installation and operation of the IPM 2 SAFETY FEATURES The IPM has been designed and built according to international regulations and practices lt complies with all applicable standards relating to Electromagnetic compatibility and safety The inverter also conforms to the local directives that govern the operation of energy generating systems parallel to the low voltage grid The IPM uses transformers for galvanically isolating DC and AC currents thus providing maximum protection The IPM includes built in anti islanding protection programmable for country specific regulations The IPM continuously monitors grid voltage and frequency When the detected values deviate from locally accepted tolerances the inverter automatically stops The IPM uses batteries of high voltage This requires a safe enclosure for the batteries and suitable connection wires to support the load For the supported power due to the high potential of the batteries the e
5. manner that best suits his energy use profile Editable displays are accessed by pressing ENTER Fields to be edited are selected with the lt keys Values change with the A W keys Values are saved by pressing ENTER for 3 seconds At that time a prolonged beep sounds confirming the data have been saved Exiting without Saving is accomplished by pressing ENTER once The IPM operates in any one of the following user selectable modes as shown under Operation Mode item Page 16 of 36 1 Auxiliary Power Unit 2 Feed in 3 Island 4 Charger Changing the operation mode is like installing a different device For this reason the IPM returns to its basic configuration of all OFF before it assumes the newly selected mode 1 APU UPS In this mode the IPM functions as an Auxiliary Power Unit It gives priority to supporting the local loads Whenever there is loss of power from the grid the IPM supports its loads through the use of the PV and battery Priorities 1 Support local loads 2 Charge the battery 3 Feed renewable energy into the grid 2 FEED IN In this mode the IPM s main function is to operate as an inverter parallel to the grid Excess energy is stored in the batteries and fed into the grid Priorities 1 Feed in renewable energy to the grid 2 Charge the battery 3 Support local loads 4 ISLAND In this mode the IPM performs local energy management The system operates as a self
6. Area Connection 192 168 952 102 6 4 xPort Eli xPort 05 fimware v6 9 0 2 ba OGF 16S oF 171R 4 Find your device It should be like 192 168 92 XXX 5 Click on the shown IP address and then click on UPGRADE Q Device Upgrade Wizard Step 1 of 5 This wizard helps install firmware applications web pages and other configuration settings 9 Create a custom installation by specifying individual files Typical Use a specific installation file LX previously saved by user Browse To continue click Next Page 22 of 36 6 Click on the second option USE A SPECIFIC INSTALLATION FILE LXI and browse for the file SetupLTRX_Wmail 7 Click on NEXT The installation completed succesfully Click Close to exit 9 Succeeded OFailed gt 192 168 92 151 00 80 A3 9B 16 33 Setup Record 0 gt 192 168 92 151 00 80 A3 9B 16 33 Setup Record 2 gt 192 168 92 151 00 80 A3 9B 16 33 Setup Record 3 gt 192 168 92 151 00 80 A3 9B 16 33 Setup Record 4 K 192 168 92 151 00 80 A3 9B 16 33 Setup Record 5 gt 192 168 92 151 00 80 A3 9B 16 33 Setup Record 6 gt 192 168 92 151 00 80 A3 9B 16 33 Setup Record 7 gt 192 168 92 151 00 80 A3 9B 16 33 Reset Device Succeeded gt 192 168 92 151 00 80 A3 9B 16 33 Wait for boot with new firmware Succeeded 8 Once it has been correctly loaded you see 9 Click on CLOSE 10 Click on UPGRADE again and now choo
7. ED appears maximum power and maximum energy are fed into the grid at all times Use the d keys to set the limit of 1 energy in kWh day or 2 power as a of installed power 8 3 INSTALLER S INSTRUCTIONS These displays are protected by a factory supplied passcode 8 INST PV GRID Set the characteristics of the PV installation and of the local grid PV Power The total power of the PV panels installed VMPP The Vinpp Voltage of each string e g 9 panels x 31 2 Vinop 281V GridV F The local grid voltage and frequency 9 INST BATTERY VbNom The nominal voltage of the battery VbMin The minimum voltage of the battery At this point use of the battery stops VbMax The maximum voltage of the battery At this point charging of the battery stops Imax The maximum current allowed when discharging the battery Page 20 of 36 CAP The total capacity of the battery in Ah Vsth The voltage threshold above which the battery may be fed into the grid Page 21 of 36 9 COMMUNICATION 1 Download Devicelnstaller http ltxfag custhelp com app answers detail a d 644 2 Once installed open Lantronix Devicelnstaller and ensure that ethernet cable connects IPM to router or switch AND another ethernet cable the router or switch to PC 3 Click on SEARCH Lantronix Devic File Edit 3 View Device Tools Help pa search Exclude a Assign IP ed Upgrade 0 a g Lantronix Devices 1 device s S a Local
8. INTELLIGENT Power MANAGER User s Manual CLEAN ENERGY SOLUTIONS by ELFON E OS A y Page 2 of 36 USER S MANUAL INSTALLATION GUIDE PV INVERTER IPM3 IPM5 IPMO01_V 051 Page 3 of 36 N SAFETY NOTICE Photovoltaic components may produce voltages harmful to human health Always use caution when handling such equipment The product you are handling is an electronic device segments of which may possess electric energy harmful to human health Use the appropriate caution and protection Employ only an educated and trained electrician for installation The IPM has been designed and tested according to international regulations and standards Read this manual and follow carefully all instructions in order to avoid injury Observe all warnings and caution notices Page 4 of 36 TABLE OF CONTENTS Ol cet es ee Ta Te e O POE A SA e O A 3 Packaging and Transportation esse eee ee eee eee ee neee 4 Becoming Familiar with the IPM sss sees sese eee neee nenen nne 5 Overall System Characteristics 6 IAStalla tior scan 6 1 System Configuratio ia 7 Electrical CONNECUONS aminas nes ele ate Nic 8 A e 01 TTT 8 2 User s Instructions 8 3 Installer s Instructions e ee ee ee A veh rel 10 Care and Maintenance ccccccssccccccscecsccucecscccsscecccesceaceeecesecencs TRAMO AMI Appendices SS B List of Alarms and Errors eee CSO ae ee eee ee Rt ane ne eee ee eee net en Rene Sr eee
9. TINGS MENU Device status System Setup Parameter values Country Specs Counters Operation Mode Counters II Feed In Times Hardware operation Grid Consumption Bat Consumption Feed In Pwr Limit Inst Pv Grid Inst Battery Factory CP Factory FP Factory UP Page 15 of 36 Selections in the SETTINGS MENU are divided in three categories 1 User displays 2 Installer displays 3 Factory displays The user Displays may be edited at anytime by the user They indicate his preferences with regard to system operation and energy management The Installer Displays Prefixed INST are protected with passwords They allow a technician to specify system parameters that have to do with hardware installed like the PV panels and the battery The Factory Displays Prefixed FACTORY are protected with passwords and are only accessible by the Factory The 4 keys are used for going from the one column to the other Items in each column are selected with the A V keys The display menu includes three pages that provide information about the IPM s different functional parameters It also includes two pages with counters that indicate total and daily energy flow to the grid to the load to the battery and from the Renewable Energy Sources The settings menu includes a set of parameters that can be configured according to the user s needs These parameters allow the user to 1 Input his system characteristics 2 Configure the total system in a
10. at produces and consumes electrical energy It has been designed to provide maximum safety to the user Care must be exercised when selecting its peripheral devices so that its capacity not exceeded For system design follow the guidelines below IPM 3 IPM 5 COMPONENT PV POWER We 900 3000 900 5000 INPUT VOLTAGE VDC BATTERY VOLTAGE VDC LOCAL LOAD W E D 2400 0 4800 Grid 230 VAC 50Hz Interconnections Battery Use 2 5 mm wire Grid Local load Use 3 X 2 5 mm wire 25A breaker 6 INSTALLATION The IPM is intended for indoor installation It must be mounted on a wall and there must be sufficient flow of air to allow for its cooling When connecting to PV panels make sure Vac lt 450 per string Page 9 of 36 y E 08 50 O K K M6 Screws with upat TT SS CAL EASY i i Cc CLII m Cc a CEE l __ C _ Ki sms CLL _ M6 Screws A with upat O O 1 O O 180 Fig 6 1 Wall Bracket Cooling takes place by natural convection and also forced airflow when necessary Proper grounding must be provided Wall Mounting The IPM weighs approximately 45 kgs Therefore care must be exercised when lifting and when mounting the device on a wall The wall must be sturdy enough to sup
11. ations Fig 6 3 Grid Connected APU Feed in Fig 6 4 Island Fig 6 5 Hybrid APU Fig 6 6 Combined IPMs Page 11 of 36 7 ELECTRICAL CONNECTIONS This section describes the sequence and procedure of connecting the various peripheral devices and networks to the IPM The following instructions and caution notices must be followed carefully for a safe and trouble free commissioning A possible system configuration is shown in Figure 7 1 ALLET FEL TL a SAA mnn IIT ae A O R 9 A Fig 7 1 Hybrid System Connections PROCEDURE OVERVIEW IPM main switch OFF Switch off the main circuit breaker to the building Make sure all devices to be connected to the IPM are switched to OFF Connect the Ground to the IPM chassis Connect the load Connect the feed in line Connect the battery Connect the PV Switch the IPM main switch to ON Switch the building main circuit breaker to ON Page 12 of 36 Connections Step by Step lf the lower cover has not been removed do so by following the procedure of section 6 Removing the cover exposes the terminal blocks necessary for connecting the IPM to its peripheral devices and networks Fig 7 2 Figures 4 2 and 7 2 show the points that must be connected From left to right MOTE Main ALLA ATL Switch A gt Ba cotter Load Feed in Cable glands PV Connectors MC4 3 R UIT Chassis Ground Fig 7 2 IPM Terminal Bl
12. ction WES ES Overvoltage protection Varistor aiaa Output Characteristics Grid rejection voltage 180 260VAC o Acceptable grid frequency HBH Stand by dissipation W Input Output Isolation transformen CC OH ACI Communication SRR enet o Cooling method a a ES Forced cooling Working Temperature range 0 C to 50 C Display 95 non condensing Battery A aar a A General characterises T Dimensionsem AB Weight a T IC AS IA TN Certification ee 621091 EN 60950 1 EN 2040 1 EN 60335 229 B 6 A EN 61000 3 2 EN 61000 3 3 EN 61000 6 2 25A Page 28 of 36 APPENDIX B LIST OF ALARMS AND ERRORS ALARM CONDITION ERROR AL41 High Battery Current NO AL42 High Inverter Current NO AL43 Low Battery Voltage NO AL44 High Battery Voltage NO AL56 Transformer Overtemperature Warning NO AL57 Transformer Overtemperature ER59 AL66 Power Module Overtemperature Warning NO AL67 Power Module Overtemperature ER69 ERROR CONDITION RESETABLE ERO1 Inverter Voltage YES ERO3 Faulty Pin YES ERO9 Wrong Connection NO ER19 High DC Voltage YES ER41 High Battery Current YES ER42 High Inverter Current YES ER43 Low Battery Voltage YES ER45 High Inverter Voltage YES ER59 Transformer Overtemperature YES ER69 Power Module Overtemperature YES ER92 Fuse Fault NO Alarms are warnings indicating a state of pending error An alarm does not result in equipment stop An alarm that persists resu
13. lectrical current is relatively low thus allowing for thinner and flexible wires This way a high endurance at low electric current is achieved AN All components PV panels inverters grid required to compose a system may carry high voltages dangerous to human health Make sure all connections and equipment start up are performed only by qualified personnel Page 7 of 36 3 PACKAGING AND TRANSPORTATION The IPM is packaged in a cardboard crate which contains the inverter and the wall bracket Utilize two persons to lift up the device Place it on the floor standing up Now it is ready to position on the wall bracket once the wall bracket is installed CRATE CONTENTS 1pc Inverter unit 1set Concrete brick fasteners 1pc Wall bracket 1pc User s manual 4 BECOMING FAMILIAR WITH THE IPM Figures 4 1 4 2 and 4 3 illustrate the different parts of the IPM Becoming familiar with the terminology and the device s features will be helpful in installing and operating the IPM with safety Side Handle TAO Td Main Keypad witch PV Connectors Lower meca gt Cover U L E atte Load Feed in Cable glands L O Chassis WR Lower Gro nd Communication PV Connectors A gt Cover Bolts Port amp Cable glands Fig 4 1 IPM Front View Fig 4 2 IPM Bottom View Page 8 of 36 Fig 4 3 IPM Rear View 5 OVERALL SYSTEM CHARACTERISTICS The IPM is the central device of a system th
14. lts in an error state Errors are system faults that lead to equipment operation halt When an error appears the IPM will not operate until the error is fixed A non resettable error requires human intervention and alterations in hardware A resettable error is the result of prolonged out of tolerance operation or instantaneous out of tolerance readings When a resettable Page 29 of 36 error is encountered the equipment will stop operating for 30 seconds before it attempts to restart As soon as the conditions causing the error disappear the IPM starts operating again Page 30 of 36 APU BAT GRID IPM kWh PV RES UPS APPENDIX C GLOSSARY Energy flowing into the IPM Energy flowing out of the IPM Auxiliary Power Unit Battery The public power grid Intelligent Power Manager KiloWattHour measurement of energy Photovoltaic Renewable Energy Sources Uninterrupted Power Supply Volt measurement of Potential Watt measurement of electrical current Page 31 of 36 APPENDIX D LIST OF FIGURES Side Handle Display Main Keypad Switch PV Connectors gt Lower MC4 Battery Load Cover Feed in Cable glands Chassis a Lower Ground Communication Cover Bolts Port Fig 4 1 IPM Front View Fig 4 2 IPM Bottom View 68 50 M6 Screws with upat Mounting Slot H Fig 4 3 IPM Rear View M6 Screws with upat 180 Fig 6 1 Wall Bracket Fig 6 2 Opening the lo
15. ocks Communication Port Fig 4 2 IPM Bottom View VCZ connectors for PV input M6 HEX nut and eyelet terminal for Cassis ground connection Cable glands for battery load and grid feed in cables The cables are connected to the corresponding terminal blocks The terminal block labeled GRID CONSUMPTION is reserved for future connection of a Gen Set Connection Sequence Make sure the IPM switch is set to OFF Make sure the building main circuit breaker is set to OFF Connect the IPM Ground terminal to the building ground Page 13 of 36 Local Load Use a minimum 2 5 mm cable Connect the load cable to the IPM in the sequence Ground Phase Ph Neutral N Install a 25A circuit breaker on this line Grid Feed in Use a minimum 2 5 mm cable Connect the Grid Feed in cable in the sequence Ground Phase Neutral Install a 25A circuit breaker on this line Battery Use minimum 2 5 mm cables Connect the cables to the terminal block of the IPM in the sequence negative positive Make sure the battery is completely enclosed and there is no chance of human contact to any exposed conductors or parts Connect the other end of the cable to the battery terminals in the sequence negative positive As soon as the above connections are completed the lower cover may be put back in its place Photovoltaic The two pairs of MC4 connectors are connected in parallel to each other Each pair may accept up to 450 VDC
16. port the weight A wall bracket Figure 6 1 is fixed onto the wall first and the IPM is positioned and bolted on the wall bracket Drill four holes for M6 Lag screws with upat at the positions indicated on Figure 6 1 To make sure the device is installed properly place the bracket on the wall at its intended position with a level indicator on top of it Mark the positions of the four screws and drill the holes Secure the wall bracket on the wall by tightening the screws Fig 6 2 Opening the 6 2 lower cover Oo Employ two persons for lifting the IPM Place one hand in the side handle tilt it backwards and place the other hand under the lower cover Lift carefully and keep slanted with the top towards the wall Lower the IPM so that the top of the wall bracket enters the mounting slot Figure 4 2 Let the lower part of the IPM rest gently on the wall Remove the 8 screws Figure 4 1 that hold the lower cover in place and detach the cover as shown in Figure Page 10 of 36 When removing the lower cover make sure to detach the ground wire that is located in the inside and to attach it again when replacing the cover Tighten the two bolts located on the back of the IPM below the terminal blocks The device is now secure and ready for the electrical connections 6 1 SYSTEM CONFIGURATION Several hardware connection combinations are possible with the IPM The figures below show schematically possible system configur
17. se the first option CREATE A CUSTOM INSTALLATION BY SPECIFYING INDIVIDUAL FILES 3 Device Upgrade Wizard Step as To replace a COB partition select the target partition and click Set Partition to browse for a file Click Erase Partition to erase the partition or No Change to leave the partition as is Page 23 of 36 11 Click on NEXT 12 Click again on NEXT 13 Click on the third option INSTALL FILES CONTAINED IN COB PARTITIONS and then NEXT 14 Choose the first partition as it is shown 15 Click on SET PARTITION 16 Search for the file GRAPHINV cob It is attached 17 Check if you are seeing that the GRAPHINV cob is listed on the files 18 Click NEXT and again NEXT 19 Once it has been correctly loaded you see 3 Device Upgrade Wizard The installation completed succesfully Click Close to exit 2 Succeeded 0 Failed gt 192 168 92 151 00 80 A3 9B 16 33 Update flash file partion 1 Succeeded gt 192 168 92 151 00 80 A3 9B 16 33 Wait for boot with new firmware Succeeded 20 Click on CLOSE Page 24 of 36 Now you have to configure the JAVA parameters of your PC 21 Go to START gt PROGRAMMS gt JAVA gt CONFIGURE JAVA de Jawa About Java E Check For Updates S Configure Java Z Get Help B Visit Java com i Y Enable Java content in the browser Security Level CO Medium Least secure setting All Java applications will be allo
18. sustained cell that produces stores and retrieves energy It uses the energy from the PV to support the local loads and charge the battery If the energy from the PV is not sufficient the battery supplies the balance Page 17 of 36 Priorities 1 Support local loads 2 Charge the battery The local loads are supported only by the local energy 4 CHARGER In this mode the IPM operates as a simple battery charger The IPM only monitors battery voltage and keeps the battery in a charged state PV and Grid power is used depending on availability Priorities 1 Charge the battery The mode of operation as well as parameter values and preferences are selected by the user through the settings menu The IPM is equipped with an LCD display and keys Figure 8 1 that allow the user to watch the device s status and alter operating parameters LOAD 1 993KW SAVE RES 1 735KW 34 7 4 4 ENTER D GRID 1 78iKUI 4 BAT 1 466KH Fig 8 1 Display and Keypad Editable Displays SYSTEM SETUP COUNTRY SPECS Select the Country Select APU UPS ISLAND FEED IN CHARGER OPERATION MODE 4 FEED IN TIMES Set the times during which feed in is allowed Set the times during which the battery GRID CONSUMPTION may be charged from the grid The battery must be at or below its minimum voltage BAT CONSUMPTION Set the times during which the battery maybe fed into the grid FEED IN PWR LIMIT The maximum amount of energy or power
19. wed to run after presenting a security prompt Exception Site List Applications launched from the sites listed below will be allowed to run after the appropriate security prompts Click Edit Site List S s list to add items to this list Edit Site List Restore Security Prompts Manage Certificates And low to MEDIUM the security level as it shown below 22 Open an internet browser and text the URL address you found on step 4 f INTELLIGENT POWER MA x UA gt 192 168 92 151 23 Accept all JAVA security warnings 24 Click on RUN Do you want to run this application An unsigned application from the location below is requesting permission to run Location http 192 168 92 151 ing unsigned applications like this will be blocked in a future release because it is Running potentially unsafe and a security risk More Information Click Cancel to stop this app or Run to allow it to continue 25 Now you will be able to watch on your PC the actual screen of the IPM If you change screen in the IPM by pressing any direction key it will be also changed on your PC screen Display GRAPH INTELLIGENT POWER MANAGER n SO 43 HCS 2956 0 X va ls 90C Ri VYsol 2 36 9 Duty 79 0 Isol 0 0A Phat J PGrid 247 Ttrsf 59 0C Efficiency 91 0 EnProd 271 2K A HZ Tpwr 64 0C Page 26 of 36 10 CARE AND MAINTENANCE The IPM has been designed to operate in an environment protected from the e
20. wer cover Page 32 of 36 Fig 6 3 Grid Connected APU Feed in Fig 6 6 Combined IPMs Fig 7 2 IPM Terminal Blocks Fig 6 4 Island Page 33 of 36 Fig 6 5 Hybrid APU na paad a de de l e de nann i b ae Di Fig 7 1 Hybrid System Connections Page 34 of 36 Page 35 of 36 6 Kolomvou Str 153 51 Pallini Greece T 30 210 603 7020 F 30 210 964 9833 www cleanenergyapps com al
21. xternal weather conditions Once it has been set to operation it does not require any regular maintenance An occasional dusting once or twice a year is sufficient 11 WARRANTY ELFON LTD warrants that this product will be free from defects in materials and workmanship for a period of five 5 years from the date of original purchase If the product proves defective during this warranty period ELFON at its option either will repair the defective product without charge for parts and labor or will provide a replacement in exchange for the defective product In order to obtain service under this warranty Customer must notify ELFON of the defect before the expiration of the warranty period and make suitable arrangements for the performance of service This warranty shall not apply to any defect failure or damage caused by improper use or improper installation ELFON shall not be obligated to furnish service under this warranty a to repair damage resulting from attempts to repair or service the product b to repair damage resulting from improper use or connection to incompatible equipment c to service a product that has been modified or integrated with other products when the effect of such modification or integration increases the time or difficulty of servicing the product Page 27 of 36 APPENDIX A TECHNICAL DATA O s ms input Characteristics Cid S overload capacity LR O AN changes changes Reverse polarity prote
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