REFU REFUsol 48K-UL Installation And Operating Manual Download Page 6

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REFUsol 48K-UL

REFU Elektronik GmbH

About these Operating Instructions

These operating instructions form part of the product.

Important Safety Instructions

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Read the operating instructions carefully before installing and using the product.

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Save these operating instructions. This manual contains important instructions for the REFUsol solar

inverter that shall be followed during installation and maintenance of this unit.

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Keep the operating instructions readily available with the device for the entire service life of the

product.



Provide all future users of the device access to the operating instructions.

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Additional information on device options and troubleshooting is available at

www.refu-sol.com

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Summary of Contents for REFUsol 48K-UL

Page 1: ...cx 26170 1 Installation and Operating Manual REFUsol 48K UL English REFU Elektronik GmbH 843 844 Series with and without AFCI REFU Elektronik GmbH No 982018 Version 1 0 2017 03 Pos 3 Inverter Manuals Ei ngangsteil R echtliche Hinweise vor Inhaltsverzeichnis WR U L 2 mod_1469779804448_641 docx 23434 2222 1 ...

Page 2: ...ment Practice all plant and product safety instructions and precautions Failure to follow instructions can cause personal injury and or property damage If the equipment is used in a manner not specified by the manufacturer the protection provided by the equipment may be impaired All personnel who work with or who are exposed to this equipment must take precautions to protect themselves against ser...

Page 3: ...otective Equipment 8 2 3 2 Medical and First Aid Treatment 9 2 3 3 Safety Equipment Requirements 9 2 3 4 Electrical Safety 9 2 3 5 Wiring Requirements 10 2 3 6 Grounding Requirements 11 2 3 7 Heat Hazard 11 2 3 8 Lockout and Tagout Requirements 12 2 4 Acronyms and Frequently Used Terms 12 2 5 Interpreting Product Labels 13 2 6 Product Compliance 14 2 6 1 Safety and EMC Directives and Standards 14 ...

Page 4: ...isplay 40 5 8 Energy Yield Data Display 41 5 9 Standardized Energy Yield Data Display 41 5 9 1 Input of Standardized Data 42 5 10 Menu Structure 43 6 Configuration 44 6 1 Changing the Menu Language 44 6 2 Limitation of the Power Output 44 6 3 Monitoring with REFUlog 45 6 4 REFUset PC Configuration Tool 45 6 5 Communication via Ethernet 46 6 5 1 Automatic Setting via DHCP 46 6 5 2 Manual Setting 46...

Page 5: ...on 60 9 2 3 Configurations 61 9 2 4 Configuration 62 10 Maintenance 63 10 1 Maintain the Inverter 63 11 Decommissioning 64 11 1 Remove Inverter 65 11 2 Package Inverter 65 11 3 Disposal 65 12 Technical data 66 12 1 Inverter 66 12 2 Sensor 68 12 3 Efficiency Measurement REFUsol 48K UL 843P048 000 69 12 3 1 Efficiency Graph 69 12 3 2 Efficiency Curves 69 12 4 Efficiency Measurement REFUsol 48K UL 84...

Page 6: ... the REFUsol solar inverter that shall be followed during installation and maintenance of this unit Keep the operating instructions readily available with the device for the entire service life of the product Provide all future users of the device access to the operating instructions Additional information on device options and troubleshooting is available at www refu sol com 1 1 Symbols and Marku...

Page 7: ...th or serious injury DANGER is limited to the most extreme situations WARNING WARNING indicates a potentially hazardous situation that if not avoided could result in death or serious injury CAUTION CAUTION indicates a potentially hazardous situation that if not avoided could result in minor or moderate injury NOTICE NOTICE is used for property damage only accidents 1 2 2 Information Pos 8 Inverter...

Page 8: ...fully understood all of the technical information and the safety instructions contained in this manual Review the following information before attempting to install and operate the product 2 2 1 Rules for Safe Installation and Operation Please note the following rules Do not attempt to install or operate this equipment without proper training Ensure that this unit is properly grounded Ensure that ...

Page 9: ...n as required by national state and local regulations Pos 12 Inverter M anuals Sicher heitshi nweise Produktanfor der ung en Compliance Electricial Safety Einl eitung WR U L 2 mod_1469789747475_641 docx 23540 3 1 2 3 4 Electrical Safety DANGER Risk of electrical shock High voltages are present in the inverter cabinet Put DC disconnect into OFF position when working on the unit To completely deener...

Page 10: ...l Electrical Code ANSI NFPA 70 as well as all state and local code requirements Installations in Canada should be in accordance with the Canadian Electrical Code CEC or applicable local standards When sizing conductors and conduits for connection to the inverters both shall be in accordance with the National Electrical Code ANSI NFPA 70 as well as state and local code requirements The AC and DC po...

Page 11: ...s it has an insulation resistance detection circuit that measures the DC insulation resistance between the PV array inputs and earth ground prior to starting An Isolation Monitor Interrupter IMI is used to limit ground fault and backfeed current to the array and the Protective Earth connection This device limits shock hazards by restricting the ability of the unit to connect to the grid when the s...

Page 12: ...lding energy management system CFM Cubic feet per minute CPUC California Public Utilities Commission Derating A controlled reduction in performance usually dependent on component temperatures DHCP Dynamic host configuration protocol DNS Domain name service DSP Digital signal processor DVI Digital video interface EMI Electromagnetic interference ESD Electrostatic discharge GEC Grounding electrode c...

Page 13: ...ory control and data acquisition A computer system that monitors and controls infrastructure or facility based processes Set point Inverter is operating and delivering power at defined parameters String A group of series connected PV modules UL Underwriter s Laboratory UTC Universal time coordinate Also known as Greenwich mean time VAC Voltage alternating current VDC Voltage direct current VOC Ope...

Page 14: ...ents the user must ensure that the Safety and EMC requirements are not violated Safety Directives and Standards UL 1741 Inverters Converters Controllers and Interconnection System Equipment for Use With Distributed Energy Resources 2010 IEEE 1547 Standard for Interconnecting Distributed Resource with Electric Power Systems FCC Part 15 Class B conducted emissions National Electrical Code Can be ins...

Page 15: ...nating current and feeds this into the public grid Fig 1 How it works a grid connected PV system with photovoltaic inverter 1 PV modules 2 Solar string combiner box depending on authority having jurisdiction AHJ or utility company 3 REFUsol photovoltaic inverter 4 Fuse switch disconnector or circuit breaker 5 Grid protection if required by authority having jurisdiction AHJ or utility company 6 Iso...

Page 16: ... The inverter provides communication interfaces for RS485 and Ethernet The communication protocol is Modbus and Sunspec compliant An illuminated graphical display shows the development of the feed in power and other operating data in a clearly arranged manner An 8 key control panel below the display also provides excellent control and navigation convenience Based on its design in protection class ...

Page 17: ...ions Fig 2 External dimensions Note When installing a DC Combiner Box mind that additional space is needed Pos 26 Inverter M anuals Ger ätebeschrei bung Blockschaltbilder 842 843 844 3 mod_1478694559337_641 docx 25318 2 1 3 4 Block Diagram Fig 3 Block diagram ...

Page 18: ...uals Ger ätebeschrei bung System Bl ockschaltbil der 843 844 874 876 3 mod_1486390857261_641 docx 27616 1 3 5 System Block Diagram Fig 4 System block diagram exemplarily described on the 48K UL model Pos 28 Inverter M anuals Ger ätebeschrei bung Bedienfeld WR 1 mod_1410957749856_641 docx 7880 2 1 3 6 Control Panel The graphical user interface which is integrated on the front of the device and comp...

Page 19: ...s to be simultaneously recorded in the form of parameters If the storage capacity is full the oldest data is overwritten With the default setting on delivery the data logger logs 16 measuring channels which can be displayed an analyzed by REFUlog Recording cycle Storage time 1 minute 2 5 years 2 minutes 5 years 5 minutes 12 5 years 10 minutes 25 years Pos 30 Inverter M anuals Install ation Ü bersc...

Page 20: ... site must be upheld Only vertical installation is permitted as otherwise the cooling of the device cannot be guaranteed convection cooling Prolonged exposure to direct sunlight can cause an internal temperature rise leading to power derating of the device It is recommended to especially avoid easterly or westerly installation orientations or to install a sunshade to mitigate the thermal impact of...

Page 21: ...ssible in their original packaging The transport temperature must be between 40 60 C 40 140 F Permissible variations in temperature may not exceed 20 C 36 F per hour Pos 33 Inverter M anuals Install ation Lagerung WR 1 mod_1404805008393_641 docx 6815 2 1 4 3 Storage The devices must be stored in clean and dry premises if possible in their original packaging The storage temperature must be in the r...

Page 22: ... the wall mount The screws for attaching the wall mounting plate 10 mm 3 8 to the wall and the grounding lug are not included Pos 35 Inverter M anuals Install ation Gerät auspacken 842 3 mod_1478694877496_641 docx 25380 2 1 4 5 Unpacking the Device NOTICE Exposure to moisture dust or debris while unmounted in a non vertical orientation poses a risk of ingress Only unpack the device when it is to b...

Page 23: ... 1 Open the box 2 Take out the wall mount plate 3 Take out the corner protection at the top of the inverter 4 Fix the lifting eye plates into the slot see red arrows 5 Carefully lift the inverter out of the box with a crane or with 2 persons Keep the product weight of 75 6 kg 166 lbs in mind ...

Page 24: ... 1 4 6 Installation CAUTION Danger of injury When designing the attachment of the wall mounting plate take the product weight of 75 6 kg 166 lbs into account Do not open device Opening the device voids the warranty NOTICE Danger of damage to property Do not use the cover to hold the device Only use the four holding grips to move the device ...

Page 25: ...late which is included in the scope of delivery Fig 8 Mounting the inverter 1 Use the wall bracket to mark the positions of the holes to be drilled 2 Attach the wall mounting plate to the wall using maximal 5 screws The screws for attachment to the wall are not included Screws with a diameter of 10 mm 3 8 must be used ...

Page 26: ...dhesive residue on the inverter remove the display protection immediately after installation Pos 37 Inverter M anuals Install ation Geräteanschl üsse 842 3 mod_1478694943444_641 docx 25392 2 1 4 7 Device Connectors The following figure shows the DC switch and connectors of the inverter on its bottom side Fig 10 Device connectors The inverter is provided with the following connectors as seen from l...

Page 27: ...ed depending on the local regulation The maximum permissible torque for the grounding screw is 10 Nm 7 ft lbs Fig 11 Grounding bolt Pos 39 Inverter M anuals Install ation FI Schutz WR UL 2 mod_1470147447938_641 docx 23697 2 1 4 9 Residual Current Protection This inverter is equipped with a Residual Current Detection RCD circuit to protect PV source and output circuits against ground faults in acco...

Page 28: ...ectrical housings provided with the inverter 2 Make sure the seal provided is used with the corresponding small electrical housings to maintain NEMA 4 protection 3 Insert an appropriately sized NEMA 4 conduit hub in each feedthrough opening 4 Insert the appropriately sized wires through the hub Pos 41 Inverter M anuals Install ation N etzimpedanz WR 2 mod_1423815791156_641 docx 14243 2 1 4 11 Grid...

Page 29: ...NGER Danger to life due to high voltages from active PV strings Before connecting the PV strings connect the inverter to the power supply and additional ground connection The connection of the PV strings must always be carried out deenergized The inverter must be earthed with the grounding bolt otherwise a potential difference can build up causing a risk of electric shock The inverter has a single...

Page 30: ...rted once the PV generator isolation error has been removed Be absolutely sure to verify proper polarity when connecting the PV strings Any inappropriate connection of individual strings may damage the PV generator The solar inverter is protected against reverse polarity connection by an integrated diode The PV generator may not exceed the following operational characteristics under any circumstan...

Page 31: ...es the string from the intact strings so that destruction is prevented Pos 43 Inverter M anuals Install ation DC AC C onnecti on 843 844 3 mod_1480086331178_641 docx 26311 2 1 4 13 DC and AC Terminal Connections The terminals for DC and AC connection are suitable for use with conductors from AWG 7 1 Stranded conductors without ferrules should only be used if AWG 2 or larger The provided connection...

Page 32: ...ion housing with 3 Nm 2 ft lbs 6 Unscrew the front cover of the connection housing to remove 7 Put the cable through the conduit into the connection housing 8 Strip the insulation from the conductor AWG 3 AWG 2 9 Route the conductor into the terminal point leaving a service loop ...

Page 33: ...e Port RS485 The RS485 interface supports the USS Universal Serial Interface Protocol and Modbus Sunspec protocols which can be used for transmission of data for example to a data logger of a remote monitoring system Fig 14 Standard interface When using this interface please note that each device using the bus requires a unique address The bus termination is made by means of wire jumpers on RS485 ...

Page 34: ...3_641 docx 6899 2 1 4 15 Ethernet Interface Connection The Ethernet interface supports Modbus TCP IP protocol and is Sunspec compliant which can be used for transmission of data for example to a data logger of a remote monitoring system Daisy chaining of devices is not supported Each inverter must be connected to an ethernet switch in parallel Please use an Ethernet cable with S FTP design shielde...

Page 35: ...8078 22 4 5 1 Switching on the Device at Initial Start up The electrical system to be connected was prepared according to the five safety rules DANGER Risk of death by electric shock Disconnect electrical systems according to the 5 safety rules Disconnect mains Prevent reconnection Test for absence of harmful voltages Ground and short circuits Cover or close of nearby live parts The grounding and ...

Page 36: ...ct PV strings to the inverter or combiner box 4 Checking of the AC and DC voltages applied on the connection 5 Remove LOTO devices in accordance to the site owner s electrical safety procedures 6 Switch the DC combiner box disconnect switch to the ON position 7 If applicable close the inverter s DC equipment disconnecting means 8 Close the inverter s AC branch circuit breakers If at the DC input o...

Page 37: ...termediate circuit 8 If applicable install short circuit or grounding jumpers in the DC and AC supply side Inverter is de energized and out of service Pos 49 Inverter M anuals Betrieb Inbetriebnahme Länder kennung und Menüspr ache ei nstellen WR 1 mod_1405070935543_641 docx 7056 233 1 5 4 Setting the Country Code and the Menu Language When switching on for the first time an initial configuration i...

Page 38: ...red countries 1 Use the and keys to select the country code which is specific for your country and your location The menu language is selected simultaneously with the country code However the menu language can later be changed independently of the country code 2 Press OK to confirm Then the grid feed guideline given by the energy supplier must be selected 3 Select valid grid feed guideline with an...

Page 39: ... 2 1 5 5 Device Start Description of the abbreviations on the display PAC Feed power in watts W VAC Line voltage in volts V VDC Solar cell voltage in volts V E day Energy yield of the day kWh Solar modules are irradiated with sufficient sunlight Country code is set Time and date is set The following procedure follows Self test All status LEDs are lit for approx 6 seconds Check Activation Feed in l...

Page 40: ...menu next menu Function while parameters are edited digit to the left digit to the right decade jump Selection within the menu ESC Acknowledge failures and exit from menu level exit from input menu without entering data OK Confirm the selected menu next menu level and entered data Pos 53 Inverter M anuals Betrieb Inbetriebnahme Grafi kanzeige WR 1 mod_1405071640916_641 docx 7079 2 1 5 7 Graphical ...

Page 41: ...s 55 Inverter M anuals Betrieb Inbetriebnahme Anzeige nor mierte Ertragsdaten WR 1 mod_1405072311598_641 docx 7094 2 1 5 9 Standardized Energy Yield Data Display Press the arrow key then the arrow key to display the development of standardized energy yield data Fig 20 Energy yield normalized on the display Press the ESC key to return to the basic screen display Pos 56 Inverter M anuals Betrieb Inb...

Page 42: ...he digits before the point Press the key to select the digits after the point key Press the key to increment the selected digit by 1 key Press the key to decrement the selected digit by 1 Fig 21 Standardized data input display Press the OK key to apply the set value Press the ESC key to discard the value and display the previous normalized yield level Press the F1 key to display the menu Installed...

Page 43: ...ays and setting displays Pos 58 Inverter M anuals Konfig urati on Überschrift Konfig urati on 1 mod_1410960267897_641 docx 7898 1 1 Energy absolute Energy normalized Analysis Actual values Fault memory Configuration Device Information DC AC Sensors Languages Limitation PAC Communication Date Time Portal settings Extended Overview Version number Country Current language Ethernet Activation Sending ...

Page 44: ... 60 Inverter M anuals Konfig urati on Reduzier ung der Ausgangsleistung WR 1 mod_1405076075015_641 docx 7119 2 1 6 2 Limitation of the Power Output Proceed as follows in order to limit the power output of the inverter 1 Using the F1 key select the menu item Configuration and confirm with the OK key 2 Select the sub menu PAC Limit and confirm with the OK key 3 Enter the invert power output as perce...

Page 45: ...to assign one or more inverter to a PV system Pos 62 Inverter M anuals Konfig urati on REFU set WR 1 mod_1405076152162_641 docx 7125 2 1 6 4 REFUset PC Configuration Tool You can upgrade the firmware of the inverters and change country specific parameters of the inverter with the PC Software REFUset You can connect the PC with the inverters via Ethernet or USB using a RS485 USB converter For exten...

Page 46: ...on über Ethernet M anuelle Einstellung WR 1 mod_1405076466442_641 docx 7144 3 1 6 5 2 Manual Setting In order to ensure a trouble free operation all values must be given by the responsible network administrator and individually set in each inverter 1 Navigate to Configuration Communication Ethernet IP address 2 Enter IPv4 address The IPv4 address is arbitrary but must be consistent throughout the ...

Page 47: ...he address restart the inverter to activate the new address Protocol type 1 REFU USS protocol preset 2 not used 3 Meteocontrol USS 4 Modbus RTU Sunspec address 0 cannot be used address 0 is automatically set to address 1 5 Multimode USS Modbus RTU Sunspec in Multimode you cannot use USS address 0 and 2 Baud rate 57600 preset and recommended 115200 for short RS485 networks Parity even Handshake no ...

Page 48: ...log in order to recognise the inverter If you want to send it manually select the menu and set the parameter to 1 If the sending was successful the parameter will be set back to 0 automatically Pos 69 Inverter M anuals Konfig urati on Portal Testfunkti on WR 1 mod_1405076841099_641 docx 7168 2 1 6 9 Portal Test Function Menu Configuration Portal monitoring Portal Test On request of our service you...

Page 49: ...d_1475849511701_641 docx 25046 1 7 2 Normal Operation of the Arc Fault Detection Unit In normal operating circumstances the arc fault detection unit monitors the current flow and analyzes the signal being measured to determine if there is an arc fault situation The unit will do this continuously until an arc fault occurs or the DC power supply is removed During normal operation the following shoul...

Page 50: ...erter to confirm the arc fault is resolved Monitoring will resume 3 Turn the inverter off and then on using the DC disconnect switch If the fault situation continues to occur contact REFU Technical Support for additional information Pos 74 Inverter M anuals Fehler behebung Ü berschrift Fehl erbehebung 1 mod_1406624007602_641 docx 7643 1 1 ...

Page 51: ...e occurs However the DC and AC voltages may still be available The corresponding fault message appears in the display The fault is indicated on the control panel by the red ERROR LED emitting steady light Fault messages are stored in the fault memory where they will remain even in the event of a power failure The fault memory can be called up via the display The last 100 faults are recorded in the...

Page 52: ...The boosted DC voltage has dropped below the mains peak value 90010 DC link 5 The boosted DC link voltage is too high 90011 DC link 6 The DC link voltage is too high 90017 Communication LT Communication malfunction between power section and control and regulation unit The inverter will acknowledge the error automatically If problem occurs repeatedly contact Service 90018 Grid frequency LT Power se...

Page 53: ...read only Internal data can t be written anymore Please contact Service 90030 DC share too high The measured DC Part in AC current exceed the defined limit 90031 ETH link lost The Ethernet cable has been removed Check the Ethernet cable on the device and the receiver router switch for a correct fit If the cables are correctly connected and should the notification still be there please contact Serv...

Page 54: ...is notification can be ignored No measures necessary 90062 Fault ride through Grid instability which is handled with respect to the grid code standards A0013 PM isolation RCD SR The measured value of the residual currents are over the limits Measured value 150 mA Trip within 20 ms Measured value 60 mA Trip within 130 ms Measured value 30 mA Trip within 280 ms Check system isolation If you consider...

Page 55: ...cisely day kW output time A0114 PM isolation RCD LT Residual current measured from the LT exceeded the limits residual current Limit values of 20 mA 130mA 280mA respectively Please contact Service A0116 R detect 0 Do nothing The inverter will acknowledge the error automatically If problem occurs repeatedly contact Service A0117 Isolation test unit Test isolation test is taking too long Please cont...

Page 56: ...oo low A0174 P15V LT aux supply P15V supply voltage at the power stack is too low A0178 Temp Sensor KR LT checking open loop or short loop for temperature sensor cooler right A0179 Temp Sensor IL LT checking open loop or short loop for temperature sensor cooling interior left A017A Temp Sensor IR LT checking open loop or short loop for temperature sensor cooling interior right A017B Temp Sensor KL...

Page 57: ...922010 The sensor comes with a 3 meter UV resistant connecting line 5 x 0 14 mm The line can be extended with a 5 x AWG 23 0 25 mm shielded line max 328 ft 100 m 9 1 1 Inverter Sensor Interface Fig 22 Connector M12 x 1 straight shielded pole arrangement male M12 5 pins A coded view of male connector side PHOENIX CONTACT designation SACC M12MS 5SC SH Inverter sensor pins Signal Pin 1 Supply voltage...

Page 58: ... REFUsol 48K UL REFU Elektronik GmbH 9 1 3 Assembling of the Sensor Plug 9 1 4 Connection of the Sensor at the Solar Inverter Fig 23 Standard connection at a solar inverter not applicable at AFCI variant ...

Page 59: ...alogger and are visible within REFUlog portal The actual values of the sensor can be viewed in Actual values Sensor The data continues to be recorded with the data logger and can be viewed via REFUlog Pos 82 Inverter M anuals Optionen Exter nes Abschal tsignal WR 1 mod_1405077848971_641 docx 7219 23333 1 Note The shield of the sensor line dotted line must be applied to PIN 2 and PIN 5 The outer di...

Page 60: ...internal to the external grid protection relay 1 Photovoltaic modules 2 Solar Inverter 3 Three phase redundant section switch 4 Control line 5 Grid measurement 6 Grid protection device 7 Public grid 9 2 2 Function The internal section switches of the inverter can be controlled by an external signal At a signal voltage between 7 5 and 10 V the inverter feeds into the grid If the signal voltage fall...

Page 61: ...sol 48K UL 61 9 2 3 Configurations Fig 25 Single external stop signal Fig 26 Redundant external stop signal does not apply to AFCI variant Fig 27 Single external stop signal with sensor connected does not apply to AFCI variant ...

Page 62: ...e configured at the inverter display at Configuration External Signal It is also possible to perform the configuraton with REFUset This PC tool allows to define different voltage ranges and switch off times The inverter integrated grid protection can be deactivated if authorized by the grid operator DANGER Risk of electric shock and fire caused by high discharge current Before connecting the devic...

Page 63: ...tenance free Periodically based on site conditions visual inspection of the cooling fins is recommended to identify any debris accumulation that could occur If found the debris must be removed to ensure that the convection cooling is not inhibited Cleaning with high pressure cleaners is prohibited Annually the DC switch has to be operated without electricity 5 times Pos 85 Inverter M anuals Betrie...

Page 64: ... decommissioning the inverter take the weight 75 6 kg 166 lbs into account Do not open device Opening the device voids the warranty NOTICE Danger of damage to property Do not use the cover to hold the device Only use the four holding grips to move the device Fig 28 Handles on the inverter ...

Page 65: ...0496_641 docx 7317 2 1 11 2 Package Inverter If possible package the inverter in its original packaging or a similar packaging Pos 88 Inverter M anuals Betrieb Außerbetri ebnahme Entsorgung WR 1 mod_1405081530813_641 docx 7323 2 1 11 3 Disposal Dispose of the packaging and replaced parts according to the rules applicable in the country where the inverter is installed Do not dispose of the inverter...

Page 66: ...current ISC of PV system A 160 MPP trackers 1 No DC inputs 1 Plus 1 Minus DC input terminal T LOX knee lever connection DC input cables 10 50 mm AWG 7 1 Aluminum Copper DC load break switch Integrated AC DATA AC nominal power kW 48 Max apparent power kVA 48 AC grid connection Feed in phases 3 AC 480 V Y N Nominal power factor Range 1 0 8i 0 8c Nominal voltage AC V 480 Voltage range AC V 423 528 No...

Page 67: ...uses External Grid monitoring Voltage Frequency Anti Islanding DC injection Residual Current Monitoring RCD Yes Arc Fault Detection AFCI Integrated in type 844P048 000 Internal overvoltage protection EN 61643 11 Type 3 Protection class IEC 62103 I Overvoltage category EN 60664 1 DC II AC III GENERAL DATA Interfaces Ethernet RS485 Irradiation and temperature sensor External stop signal Dimensions W...

Page 68: ... 145 x 81 x 40 Weight 340 g 0 75 lbs INSOLATION Measuring range 0 1 300 W m Output signal 0 to 10 V Measuring accuracy 5 of final value MODULE TEMPERATURE Measuring range 20 90 C 4 194 F Output signal 2 268 V T C 86 9 mV C Measuring accuracy 1 5 at 25 C 77 F Non linearity 0 5 C 32 9 F Max deviation 2 C 35 6 F PIN ASSIGNMENT Orange Measurement signal for insolation 0 to 10 V Red Supply voltage 12 2...

Page 69: ...9 12 3 Efficiency Measurement REFUsol 48K UL 843P048 000 12 3 1 Efficiency Graph 12 3 2 Efficiency Curves Pos 93 Inverter M anuals Technische D aten Messkur ven Effici ency 844 Effici encyM easur ement 3 mod_1487685884793_641 docx 28024 1 ...

Page 70: ...Efficiency Measurement REFUsol 48K UL 844P048 000 12 4 1 Efficiency Graph 12 4 2 Efficiency Curves Pos 94 Inverter M anuals Technische D aten Messkur ven Temperatur e D erati ng 843 844 Temper ature D erating 3 mod_1487686031076_641 docx 28034 1 ...

Page 71: ...REFU Elektronik GmbH REFUsol 48K UL 71 12 5 Temperature Derating Curve Fig 29 Temperature derating REFUsol 48K UL 843P048 844P048 Ende der Liste für Textmar ke Inhalt2 ...

Page 72: ...Service Hotline 49 0 7121 4332 333 Monday Thursday 8 am to 5 pm Friday 8 am to 4 pm Online Email service usa prettl energy Website www refu sol com Direct Link www refu sol com en accessories technischer support You should have the following data at hand Exact description of the error with error code Data from the type label particularly the device type on the top left of the type label ...

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