User Manual
Contents
1. MICRO 0 3 inverters 240VAC MICRO 0 3HV MICRO 0 25 Max number of MICRO 0 3 inverters 208VAC MICRO 0 3HV OTe 3 Mounting and wiring Differential protection downstream of the inverter ABB Micro inverters with a high frequency transformer are equipped with an isolation transformer for each of the DC DC converters which operate at high frequency switch over frequency of the converter This transformer allows for high frequency galvanic isolation between the DC and AC side of the system In addition to this the inverters include protection mechanisms so that they cannot input ground fault currents The use of a switch with type A or AC differential magnetothermal protection with An 30mA sensitivity is recommended Choosing the interface protection system and device downstream of the inverter The inverter does not include any electromechanical devices relays contactors etc for automatic disconnection from the power grid The system must be provided with external protection for the physical disconnection of the MICRO inverters from the grid in compliance with the applicable regulations and with the requirements of the installation country s power distributor Such protection is typically composed of an interface protection system that analyzes and controls the grid parameters and if necessary sends commands to the interface device in charge of physically disconnecting the PV installation MICRO inverters line2. 010CC4 011C5 Troubleshooting Alarm messages generated by the MICRO inverter The equipment communicates errors warnings via radio to the associated CDD Any messages received and related codes can be checked on the display for the CDD To understand and address warning Wxxx or er ror Exxx messages generated by the MICRO inverters and displayed on the CDD refer to the table below Display code LED status Alarm message E001 blinking red Input OC E004 blinking red Vbulk OV The error appears when the inverter input current exceeds the set overcur rent threshold This may be caused by a sudden sunlight changes that may generate input current surges into the MICRO inverter b PV module incompatible with the MICRO inverter input characteristics c Faulty MICRO inverter The error is generated when the volt age at the ends of the bulk capacitors exceeds the Over Voltage threshold This may be caused by a Grid voltage too high b Internal inverter fault de Solution a The error occurs sporadically and no action is required as the MICRO in verter will automatically reset to normal operation b It is necessary to verify that the photovoltaic module specifications are compatible with the inverter c If conditions a and b have been verified and the error persists the mal function may be caused by an internal inverter fault a Check that the grid voltage is com patible with the MICRO
3. LOELO OYDIW IAd y Jo Jequunu jenas y Buueeq 1919AUI y JO opis JeaJ eu uo poejeoo dew y uo Pla uoee 0 jeqe Sj qeu5ejep eu xiv jJeeuso A Jeeuso W 52 013C7 Appendix Technical data and types Type code MICRO 0 25 I OUTD MICRO 0 3 I OUTD MICRO 0 3HV I OUTD Nominal output power 250W 300W 300W Rated grid AC voltage 4 suns 208V 240 208V LL 40V 1 208V LL 240V _ Um peces gs aaa S x ST x ss Input side DC Maximum usable DC input power nnn 266WD h SZW sss e 9200Wp ss Maximum PV panel rating STO l U e c5 MM OPE c MN ME 860W u Absolute maximum voltage VMAX i ee Jo PEE APER S E o M Start Up voltage Vstarf 2 ss 2c MERE RENE MEN DAMEN Full power MPPT voltage range see 29 60V uuu 90 60V s 90 79V s Operating voltage range ss e 12 60V ass 12 60V ass 12 60V sese Maximum usable current Idomax ee E IDJ ss 109A sse Maximum short circuit current limit 12 54 12 5A 125A ou nete aes MM E O A O aL dcs Output side AC Grid connection type o 10W l SAW o 10 2W SRW 10 2W Sw Adjustable voltage range 183V 228V 211V 264V 183V 228V 211V 264V 188V 228V 211V 264V Nominal grid frequency en g ROH OHI Adjustable grid frequency range 57 60 5 Hz 57 60 5 Hz 57 60 5 Hz Maximum output current a gg 128A 77707770 a BR Power factor q 20 95 Maximum number of inverters per str
4. 75 C MICRO 0 3 I Output Power W 9 12 15 18 21 24 27 30 33 36 39 42 45 4B 51 54 57 60 63 Vin V 48 013C7 013C7 Block diagram The diagram at right summarizes the layout of the X MICRO inverter The main blocks are the DC DC input converter the boost section and the DC AC output inverter Both work at a high switching frequency are small and relatively light l The inverter is equipped with a single input converter with Maximum Power Point Tracking MPPT to i which it is possible to connect a single photovoltaic i module This means that the modules connected to the MICRO inverters could be installed in different positions and orientations This inverter is equipped with a high frequency transformer in other words with galvanic isolation of the primary DC side from the secondary AC side while maintaining very high performance in terms of output and energy export This type of circuit allows for the grounding of the positive input pole l The inverter is controlled by two independent DSPs Digital Signal Processors and a central microprocessor The connection to the power grid i is thus kept under control by two independent monitors in full compliance with the electric field norms both for power supply to the systems as well as security The wireless communication system inside the MI CRO inverter transmits the information to the CDD device that analy
5. 9 9 9 9 9 9 9 9 ED Aib HD AND AH ND a o _ _9 _ oe SS SS a P z m A ANE s A m AURA 4 m AE s AED AH m Qam 17 2 Installation location 006CC2 007CH3 Mounting and wiring Assembly diagram 01 photovoltaic module 02 frame 03 junction box e SEN 04 MICRO inverter 05 DC cables from PV module 06 AC TRUNK cable plug connector 07 AC TRUNK cable temporary plug cap discard after installation 08 AC TRUNK PLUG CAP 09 MICRO inverter AC drop cable 10 AC TRUNK UNLOCK TOOL 11 AC TRUNK END CAP Ny 19 A Sy 3 Mounting and wiring Assembly instructions 1 Run the AC cable along the racking system used for installing the photovoltaic modules The cable must be compatible with the expected installation conditions particularly concerning the number of modules and their orientation portrait or landscape Legislation in force in the country of installation and the installed power will determine N the maximum number of MICRO inverters permitted for installation at each AC cable section Do NOT exceed the maximum number of MICRO inverters permitted for installation See technical data found in the appendix part 7 of this manual 2 Secure the MICRO inverter to the racking system with the logo side facing downwards Torque the MICRO inverter fasteners to the values shown below do not over
6. temperature such as input voltage grid voltage etc The inverters can decrease power output during certain periods of the day according to these parameters E Iz k o T o k o o o MICRO 0 25 I Temperature C Temperature derating MICRO 0 3 1 10 45 20 25 30 35 40 4 50 55 60 65 70 75 5 5 10 30 25 20 15 LOELO Temperature C 46 013C7 Appendix Power reduction due to input voltage The graphs show the automatic reduction of supplied power when input voltage values are too high or too low The conditions for power reduction due to environmental conditions and input voltage can also occur at the same time but the power reduction will always relate to the lower value measured Output Power Vs Input voltage derating Tamb up to 65 C MICRO 0 25 l 320 ssa 280 260 240 220 200 180 160 140 120 100 9 12 15 I8 21 24 27 30 33 36 39 4 45 48 51 54 57 60 63 66 Output Power W Vin V Output Power Vs Input voltage derating Tamb MICRO 0 25 I 320 300 280 260 240 220 200 180 160 140 120 100 9 12 15 18 21 24 77 30 33 36 39 42 45 48 51 54 57 60 63 66 Output Power W Vin V 47 Appendix Output Power Vs Input voltage derating Tamb up to 65 C MICRO 0 3 I Output Power W 12 15 18 21 24 27 30 33 36 39 42 45 48 51 54 57 60 63 Vin V Output Power Vs Input voltage derating Tamb
7. Location of safety notices and labels Note the location of safety notices on the MICRO inverter Labels must not be hidden with external objects or parts such as rags boxes or other such equipment They should be cleaned periodically and always maintained in view Technical data in this manual does not supersede the data on the labels affixed to the equipment Appropriate usage The MICRO inverter is designed to transform direct current DC coming from a photovoltaic module PV into an alternating current AC suitable for being fed into the power distribution grid The operating current output during the normal operation MUST NOT exceed the limits documented in the technical specifications Only one photovoltaic module can be connected in the input of the inverter DO NOT connect batteries or other sources of power supply Adverse environmental condition such as sun rain snow wind too hot or too cold altitudes humidity etc can lead to a reduction in performance Improper or prohibited use The following actions are dangerous and not consistent with acceptable practice under the terms of the warranty Installing the equipment in environments with flammable conditions or in adverse constrained environmental conditions temperature and humidity Using the equipment with safety devices not working or disabled Using the equipment or parts of the equipment by connecting it to other machines or equipment
8. and resetting ground faults Protective devices The inverter is equipped with additional protective devices to facilitate safe operation These protective devices include Continuous monitoring of the grid voltage to ensure the voltage and frequency values stay within operating limits Control of internal temperatures to automatically limit the power if necessary to ensure the unit does not overheat derating 44 013C7 7 Appendix Efficiency curves Graphs of the efficiency curves of all the models of inverter described in this manual are shown below The efficiency curves are linked to technical parameters that are continually being developed and improved and should therefore is considered approximate N T oc uana 50 Vde Pout 300W L 7 AN 30 pls T o ee 931 95 A2u8121J3 LOELO 45 Appendix Power reduction curves In order to allow inverter operation in safe thermal and electrical conditions the unit automatically reduces the value of the power fed into the grid Power reduction can take place due to adverse environmental conditions or due to unsuitable input voltage values Power reduction due to temperature Power reduction and temperature at which it occurs depend on many parameters other than ambient
9. any of the 4 parameters monitored by the inverter If anomalous values are detected verify the sizing of the AC line conductors In case of correct sizing please contact your grid operator to address the problem Contact customer service If problem persists check grid connection condition If problem persists check grid frequency condition If problem persists check grid voltage condition UF grid frequency below the set lower limit OF grid frequency above the upper limit Troubleshooting Verification of ground leakage In the presence of anomalies or report of ground fault there may be a ground leakage from the photovoltaic module To check this measure the voltage between the positive pole and ground and between the negative pole and ground using a voltmeter Behavior of a system without leakage Due to the capacitive effect of the photovoltaic module during the first moments that the voltmeter is connected between one of the two poles and ground it will measure a voltage of about Voc 2 which will tend to stabilize to around OV if there is no ground leakage as shown in the graph below The internal resistance of V the voltmeter tends to zero 5 the voltage present on the PV generator due to the capacitive effect ka i Voc Vs How to make the measurement Positive pole Vs Ground Negative pole Vs Ground gilla x x 38 011C5 011C5 5 Troubleshooti
10. in force in the country of installation If the equipment is dismantled follow the regulations in force in the country of destination and avoid causing any kind of pollution upon disposal Use dumps suitable for disposal of the various types of materials listed below COMPONENT MATERIAL OF CONSTRUCTION Frame brackets supports Arc welded steel FE37 Casing or covers ABS plastic Paint and RAL Gaskets and seals Rubber Teflon Viton Electrical cables Copper Rubber Conduits Polyethylene Nylon Back up battery Nickel Lead Lithium 42 012C6 013C7 Appendix The MICRO inverter system This system is composed of a group of MICRO Inverters that convert direct electric current from a photovoltaic module into alternating electric current and feed it into the utility grid Photovoltaic modules transform energy from the sun into direct current DC electrical energy through a photovoltaic field also called photovoltaic module In order to use it it is necessary to transform the type of current into alternating AC This conversion known as DC to AC inversion is made efficiently without using rotating parts and only through static electronic devices In order to allow inverter operation in safe thermal and electrical conditions in the event of adverse environmental conditions or unsuitable input voltage values the unit automatically reduces the value of the power fed into the grid This way the solar energy system com
11. torque 6 mm 1 4 mounting hardware 5 N m 45 to 50 in Ibs 8 mm 5 16 mounting hardware 9 N m 80 to 85 in Ibs Mark the approximate center of each photovoltaic module on the frame in order to facilitate positioning 3 The inverter and photovoltaic modules must be connected to a DC grounding electrode conductor in accordance with the pertinent legislation in force in the country of installation The inverter can be earth grounded using the clamp secured to the chassis and an adequately sized conductor There are two possible configurations for grounding the inverters shown on the following pages The equipment grounding conductor is incorporated in the AC trunk cable N Incorrect grounding can cause physical injury death or equipment malfunction and increase electromagnetic interference Make sure that grounding conductors are adequately sized as required by safety regulations 20 008CC3 008CC3 3 Mounting and wiring Dc grounding electrode conductor coupling all the MICRO inverters The conductor must have a minimum cross section of 6 AWG Tighten with 2Nm 17 7 in Ib torque 24 3 Mounting and wiring Dc grounding electrode conductors for each MICRO inverter The conductor linking the assembly to the grounding distribution structure must be at least 6 AWG Tighten with 2Nm 17 7 in lb torque Ensure that the quality of the bond made between the conductor and the structure is s
12. 004CC1 005CH2 Installation location Transportation and handling When being transported the inverter and electronic components must be protected from vibration mechanical shocks humidity etc Incoming inspection It is the customer s responsibility to examine the condition of the unit Upon receipt of the inverter check the following Inspect the shipping container for any external damage Inventory the contents against list below verify receipt of all items Use care not to discard any equipment parts or manuals e Call the delivering carrier if damage or shortage is detected finspection reveals damage to the inverter contact the supplier or authorized distributor for a repair return determination and instructions regarding the process Components supplied with equipment Description AC TRUNK SPOOL 41 inches 50 plugs AC cable 4 conductors 10 AWG AC TRUNK SPOOL 67 inches 32 plugs 3 sizes available as shown at left AC TRUNK SPOOL 81 inches 27 plugs AC trunk plug cap A A Insulated AC cap for AC Bus connectors female AC trunk end cap End cap for 10 AWG AC cable trf H Mis yim p im m LJ AC trunk unlock tool Tool for releasing connectors 13 2 Installation location Overall dimensions and minimum clearances The following figure illustrates the overall dimensions of the inverter The figure below illustrates the minimum clearances above and below the inverter in relat
13. ABB solar inverters MICRO Power and productivity ah HD LI for a better world PA up NP gt _ WI IMPORTANT SAFETY INSTRUCTIONS This manual contains important safety instructions that must be followed during installation and maintenance of the inverter SAVE THESE INSTRUCTIONS Keep this document in a safe place near the inverter for easy access during installation and maintenance THE INSTALLER MUST READ THIS DOCUMENT IN ITS ENTIRETY BEFORE INSTALLING OR COMMISSIONING THIS EQUIPMENT The purpose of this document is to support the qualified technician who has received training and or has demonstrated skills and knowledge in construction to install and maintain this inverter This manual does not cover any details concerning equipment connected to the inverter such as the solar modules Information concerning the connected equipment is available from the respective manufacturers Warranty conditions can be found on the MICRO product page of the website NOTE Any changes or modifications not approved by the responsible party could void the user authority to operate the equipment FCC REMARKS The equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energ
14. CAUTION To reduce the risk of fire connect only to a circuit provided with 20A maximum branch circuit overcurrent protection in accordance with the National Electric Code ANSI NFPA 70 AC grid connections Aj To prevent electrical hazards all the connection operations must be carried out with the disconnect switch downstream of the inverter grid side open and locked When connecting to the grid all the AC cables coming from MICRO inverters must be joined inside a junction box Asingle line cable must then form the connection to the distribution grid Be mindful of the dimensions of the line cable The grounding connection from the inverters is obligatory A4 wire AC cable must be used and maximum trunk cable allowed beyond the last inverter is limited to 15 feet Allthe external connections to the insulated junction box caps adapters etc must be made with securely sealed ABB components 28 008CC3 008CC3 3 Mounting and wiring Characteristics and sizing of the line cable The line cable not supplied by ABB runs between the junction box and the load distribution panel The cross section of the AC line conductor must be sized in order to prevent unwanted disconnections of the inverter from the grid due to high impedance ofthe line that connects the inverter to the power supply point f the impedance is too high it causes an increase in the AC voltage that on reaching the limit s
15. DD before commissining the inverter For commissioning and operation of the equipment it is necessary to have a thorough knowledge of the CDD equipment and the functions that have been enabled in the installation The CDD Quick Installation Guide is shipped with the CDD and can be found on the website along with the CDD product manual When conducting the checks confirm that the main AC disconnect downstream from the system and any other possible isolator switches are open Confirm that all conductors and protective grounding points are connected Check the position of all connection cables and the tightness of all nuts and terminals Ensure that all electrical safeguards have been correctly installed Sequence of operations The steps to take for configuring the CDD acquiring the MICRO inverters in the system and registering at the AURORA VISION portal are described in the both the CDD Quick Installation Guide or CDD product manual Close the AC breaker downstream from the system and any other isolation switches to connect the system to the AC grid e Verity that all inverters are operational and harvesting energy by reviewing the CDD monitoring page This step can be performed only when the PV modules have sufficient sunlight to harvest energy The incoming voltage must not exceed the maximum values shown in the technical data in order to avoid damaging the equipment Consult the technical data in the appendix pa
16. GLNO I SZ 0 ONDIW L 0 dn s6njd Z seyoul g8 1OOdS MNNYL OV s njidze seuou 9 100dS MNNYL OV dV2 GNA ANNAL V sBnidog seuoul p 100dS MNnH LL OV 0L9 Mv sed A ajqeo punoac uaaJc Jojyonpuo9 JE1 NON SHUM punolg c1 poH jueuidinb3 L1 X elg 731989 OV dav poujow BuuA jaued pejydeo2e DAN uonnqijsip Jeujo 10 JINDUOD ov J8jJ9AUI joued OS2OIIN Jejos 50 Appendix SJ9 J9AUI O2IIN OF 03 dN 100puj ado lt JO 4IM 10 99UU09 9v Bunoeuuoosip o 1014d peuedo aq pjnous JoxeaJq Oy ureui u L wami n Tt A pni 240Vac split phase LAO SN GLNO I E 0 ONDIN ZL o1 dn oeAOQpz SN GLNO I SZ 0 ONDIIN SL 0 dn iagram d sBnid z seuoul g 10OdS MNNYL OV sBnidze seuoui g 100dS MNNYL OV 19 49AUI joued dV2 GNA MNNYL SV sBnidog seuoul p 100dS MNNUY_L OV ONDIN Jejos OLDMv Sed lqe5 4 aao J0jonpuo2 sna ang ajoejda00y 9poJ129 3 punoig enon t gt SI Z VINJN Buipunoio Jojde aav jdepy J9MOd ddd SSSSSS MNNYL OvV Jed JexeouJg 3In2J1 VOZ F gt UMU Jayeoig peol OV ule punoJs u i1S J amp 3jn9N SUM c1 pes V1 X elg poujeui Hum jaued p d 55e JJN uonnqujsip J9ujo JO JINPUOD ov Joyonpuog punolg jueuudinb3 xog uonounf 9ige OV aav LOELO 51 Appendix Template for system installation diagram
17. achable label of each inverter to the applicable field on the map AA EDID 24 008CC3 008CC3 3 Mounting and wiring 9 Plug the DC cables into the corresponding inputs on the MICRO inverters and install the photovoltaic modules tis recommended to install the MICRO inverters underneath the PV modules to operate in the shade Direct sunlight may cause elevated temperatures and consequently power limiting Each module must be connected to the MICRO Inverter with a DC cable having a length of less than 3m 10 The inverter will not begin to feed energy into the distribution grid until the association procedure of the CDD Concentrator Data Device has been completed It is required that an CDD be installed with any MICRO inverter in compliance with UL1741 for the purpose of indication and resetting of ground faults oee the CDD product manual or Quick Installation Guide for the procedures 25 3 Mounting and wiring Installing the AC trunk end cap The unused ends of the AC trunk cable must be terminated the following is necessary for properly installing the cap Fit the ring nut and gasket around the cross section of the cable to terminate Strip 18 25 mm 0 7in 1in of the external insulation and separate each conductor Insert the conductors into the recesses inside the cap to seal them Insert the gasket into the cap with slight pressure Screw the ring nut to
18. apply the correct pressure on the gasket max 2 45Nm 1 81 ft lbs Secure the section of the terminated cable to the frame structure with cable ties Use of the AC trunk unlock tool The AC trunk unlock tool must be used to disconnect the AC connector from the MICRO in verter or to remove the AC trunk plug cap from the connectors on the AC trunk cable The tool is used to release the two retaining clips on the connectors of the AC trunk cables The disconnection or cap removal can be performed in three simple steps Insert the AC trunk unlock took in the two holes on the connector or cap Press to release the retaining clips Remove the connector or cap 26 008CC3 008CC3 3 Mounting and wiring The figures below illustrate the use of the AC trunk unlock tool Disconnection of the MICRO inverter AC cable Wiring details Load protection switch AC disconnect switch The dimensions of the thermal magnetic circuit breaker should be determined by the number of MICRO inverters connected to a single AC line A 20A thermal magnetic circuit breaker represents the maximum value permitted for installation in a single AC line sized based on the AC cable cross section 10 AWG It is the installer s responsibility to adequately size the overcurrent protection based on the number and types of MICRO inverters in the system see table 3 1 below Protection breaker rating table 3 1 6A MICRO 0 25 Max number of
19. ecure Only a racking system that is certified for use as a grounding structure is permitted to use this method 205 008CC3 008CC3 3 Mounting and wiring 4 Fasten the AC TRUNK cable to the frame with listed cable ties Each connector is provided with two guides for ideal fastening Cable ties are not supplied with the inverter or AC TRUNK cable Use listed cable ties rated to 75 C J maummmmmMNIEJZSE 5 Remove the temporary cap from AC TRUNK cable connectors and then connect the MICRO inverters The connectors are coupled correctly when two clicks are heard Be mindful to keep the connectors in a position accessible to the AC TRUNK cable coming from the MICRO inverter Protect any unused AC TRUNK cable connectors by fitting the AC TRUNK PLUG CAP on them to keep them watertight The temporary caps are only attached for shipping and provide no seal 93 3 Mounting and wiring 6 Fit the appropriate AC trunk end cap on the unused ends of the AC trunk cable Connect the AC TRUNK cable s coming from the MICRO inverters to the junction box or to the AC distribution panel Ld 8 Use the duplicate label in the attached plastic bag to create a map of the system by placing the adhesive labels on the diagram found in the appendix part 7 PPPPPPPPPPP MICRO e ME MICRO 0 XX I OUTD VVV PN PPPPPPPPPPP SN YYWWSSSSSS MAC AA BB CC DD EE FF GG HH Affix the det
20. ematically persists the malfunction may be caused by an internal inverter fault Display code LED status Alarm message E051 Solid red Country Not Comp E052 Solid red Country mismatch E501 Blinking green Communication fault W001 Blinking green Vpanel Problem Cause The set grid standard is not compat ible with the firmware installed on the MICRO inverter This condition may be generated if a MICRO inverter is replaced The alarm is generated when the grid standard selected on the CDD during installation has not been correctly set on the MICRO inverters This may be caused by a communication problems while set ting the grid standard for the MICRO inverter from the CDD b poor irradiance while setting the grid standard for the MICRO inverter from the CDD MICRO inverters are directly supplied by the voltage generated at the panel and poor irradiance may cause inverter shut downs The alarm is generated when the CDD device does not receive messages from the MICRO inverter for more than 15 minutes This may be caused by non optimal positioning of the CDD This alarm is displayed when the input voltage generated at the PV generator is outside the allowed range given in the technical data This may be caused by a Poor sunlight b Possible shadows that may darken the module during part of the day b PV module incompatible with the MICRO inverter input parameters d Internal inverter fau
21. enance recommended to maintain efficient operation of the installation Annual operations Check that there has been no drastic change in the installation conditions that might have a negative influence on radio communication with the MICRO inverter Annual cleaning Conduct an annual visual inspection where possible on the various components DC cables MICRO inverters and AC cables to check for dust dirt moisture and water seepage Do not attempt to dismantle the equipment or make any internal repairs N In order to preserve the integrity of their safety and insulation MICRO inverters are not designed to allow internal repairs The AC output wiring harness AC drop cable on the MICRO inverter cannot be replaced If the cord is damaged the equipment should be scrapped 41 6 Maintenance Storage and dismantling If the equipment is not used immediately or is stored for long periods check that it is packaged correctly and contact customer service for storage instructions The equipment must be stored in well ventilated indoor areas in a noncorrosive environment Restarting after a long period requires the removal of oxidation and dust that may have settled inside the equipment if not suitably protected ABB CANNOT be held responsible for disposal of the equipment displays cables batteries etc The customer must dispose of these substances which are potentially harmful to the environment in accordance with the regulations
22. ent Temperature 40 to 75 C 40 to 167 F with Output Power Derating Type of Enclosure NEMA 4X DC Ground Fault Detector Interrupter is Provided For More Details Refer to the Instructions Manual Contains FCC ID X6W EMBZ This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any Interference received including interference that may cause undesired operation T Er ES E SERIAL NUMBER D MAC ADDRESS AA BB CC DD EE FF GG HH 11 1 Introduction and safety Product identification label The sample product shown provides the following information Inverter model NM t Inverter Part Number MICRO 0 XX I OUTD VVV Inverter Serial Number P N PPPPPPPPPPP S N SSSSSS WK WW YY Week Year of manufacture MAC AA BB CC DD EE FF GG HH TUTTA EE PU IM suss MEAE AL AE LA O The identification label on the inverter is shown below A duplicate identification label and the product label above are attached to the inverter in a plastic bag as shown below Use the small label to create a map of the system for use with the monitoring software A template to be used for the diagram can be found in part 7 It is recommended to make a copy of the map for the installer Inverter MAC address 7 Xe MICRO 0 XX I OUTD VVV FN PPPPPPPPPPP
23. et by the country of installation causes the inverter to switch OFF The installation technician is responsible for selecting a cable of the appropriate length and cross section refer to the technical data in the appendix Wiring of AC cable The AC cables from the MICRO inverters have four conductors with different colors to identify the function of each conductor AC trunk spool 41 inches 50 plugs AC cable 4 conductors i i 10 AWG L1 A Y 2 11 wheelbase 41 red SL 40 connectors pe AC cable 4 conductors cable 4 conductors black x 10 AWG N wheelbase 67 eutra 32 connectors white Ground AC cable 4 conductors Green 10 AWG l F3 wheelbase 81 L 1 27connectors N The installation technician is responsible for selecting a junction box with the appropriate dimensions and insulation Do not to reverse the phase with the neutral Close the junction box after the wiring is complete Confirm that the seal is tight When connecting the inverter to the distribution grid the configuration is made with the CDD It is required that the CDD be installed with any ABB MICRO inverter in compliance with UL 1741 for the purpose of indication and resetting of ground faults 29 30 3 Mounting and wiring 008CC3 009CH4 Operations Commissioning A The MICRO inverter operating state is controlled through the CDD The MICRO inverters must be acquired using the C
24. ing 13 15 11 12 l 11 12 S uae a A 5 m Input protection devices Reverse polarity protection Yes polarized PV connectors Amphenol H4 Output protection devices Anti islanding protection ree Meets UL 1741 IEEE1547 requirements 1 Over voltage protection lype U U isto U aor C asio 0 Maximum AC OCPD rating 20A U 20A 20A Efficiency Maximum efficiency ne 96 5 s 96 5596 ss re 96 5 sss CEC efficiency x 96 l 96 x 96 Operating performance Stand by consumption lt 50mW I lt 50mW lt 50mW Communication Wireless and web based monitoring through AURORA CDD monitoring system CDD required for comppliance to UL1741 Environmental Ambient air operating temperature range 40 F to 167 F 40 C to 75 C Derating above 149 F 465 C sss Ambient air storage temperature range 40 F to 167 F 40 C to 80 C Relative humidity ccs 02100 RH condensing s Acoustic noise emission level lt 30 db A Q1m Tiu dude MIT SEIS n R a Mechanical specifications Enclosure rating NEMA 4X MM QNM MM ac 775 a NM NM MM MU M Dimensions HX WX D s td X 9 7 X 1 3 Tin 266 x 246 x 86mm asas Weight 3 5lbs 1 65kg 72 G kas ws assaka peut aL ee P Safety Isolation level HF transformer Safety and EMC standard 5 A 1441 CSA 22 2 N 107 1 01 EN61000 6 2 EN61000 6 3 FOC Part 15 77 Safety approval GSA Warra
25. inverter specifi cations In the event of highly abnormal grid voltage please contact your grid operator to address the problem b If no problems are found when checking the grid voltage the alarm may be caused by internal inverter faults Display code LED status Alarm message E006 blinking red Output OC E014 blinking green OverTemp Cause The error appears when the inverter output current exceeds the internal inverter alarm threshold This may be caused by a High impedance grid with significant voltage variations even with small loads b Internal inverter fault High internal temperature recorded by the inverter This parameter depends in part on the power that the inverter must supply as the internal inverter temperature is affected by the heat dis sipated internally by its components This may be caused by a Failure to observe the installation conditions b Internal inverter fault 54 Troubleshooting Solution a Check that the grid voltage is stable mainly upon loading with high current peak loads maximum power generation of the PV system If the grid voltage is unstable verify the appropriate sizing of the line cable s and if correct please contact your grid operator to address the problem b If no problems are found when checking the grid voltage the alarm may be caused by internal inverter faults a Verify the installation conditions exposure to sunligh
26. ion to the PV modules and roof AEG o eie 1 cm 0 4 GEENA Environmental check of installation location See technical data in part 7 to check the environmental parameters to be observed degree of protection temperature humidity altitude etc The maximum operational ambient air temperature MUST be considered when choosing the inverter installation location Installing the inverter where operating temperatures exceed the specifications will result in power limiting it is recommended the inverter be installed within the specified temperature range To avoid overheating always make sure the flow of air around the inverter is not blocked Do not install in places where gasses or flammable substances may be present Avoid electromagnetic interference that can compromise the correct operation of electronic equipment 006CC2 006CC2 2 Installation location Installation position When choosing the installation location and position observe with the following conditions Install only on structures specifically intended for photovoltaic modules supplied by installation technicians Install the inverter underneath the photovoltaic modules so that they work in the shade if this condition cannot be met the inverter could undergo power reduction Any maintenance or replacement of the device could require the technician to dismount the photovoltaic module mounted on the top of the MICRO inverter Ensu
27. ireless connection and the CDD In addition to local monitoring of the system it is possible to have remote data visualization through an internet access to AURORA VISION web portal Single photovoltaic module management benefit There are many advantages of having each MICRO inverter monitor a single photovoltaic module Capability of viewing each module s production Possibility of controlling when to clean each module as necessary Ease of service interventions from the possibility of singling out individual modules or inverter that are down Preservation of production even if there is a malfunctioning module or inverter Protective devices Anti Islanding In accordance with required national standards and laws in the event of a local grid outage by the utility or when the grid equipment is switched OFF for maintenance operations the inverter must be physically and safely disconnected to ensure protection of personnel working on the grid To prevent possible islanding the inverter has an automatic protective disconnection system called Anti Islanding Ground fault in the photovoltaic modules An advanced ground fault protection circuit continuously monitors the ground connection and disconnects the inverter if a ground fault occurs indicating this condition by means of the red GFI LED on the LED panel of the CDD It is required that the CDD be installed with any MICRO inverter in compliance with UL1741 for indicating
28. lt 36 Troubleshooting Solution The firmware in the MICRO inverter s in the installation must be updated to a compatible version Firmware updates are performed via the Internal Web server see the CDD manual with the software package obtained from customer service a Verify on the Internal Web Server as described in the CDD manual the radio communication quality on each MICRO inverter values above 60 indicate good reception If the quality of the received signal is good re configure the installation otherwise consider installing the CDD device ina different position to ensure better radio signal quality b System configuration must be carried out in good irradiance condi tions in order to guarantee the correct operation of the MICRO inverter and to prevent the risk of shut downs due to insufficient input voltage generated by the PV module Consider a new installation position that ensures better communication between the CDD device and the MI CRO inverters Use the CDD Internal Web Server to verify the signal quality refer to the CDD manual for informa tion on the Internal Web Server a Wait for appropriate sunlight to guar antee correct operation of the inverter b Verify that no shadows are present on the PV module when the error is generated c Verify that the PV module voltage characteristics are compatible with the inverter input specifications d If the above checks have yielded po
29. mmediately after the anomaly Making a service call Call technical support at 877 261 1374 The following information is necessary to initiate a call The model number serial number and week of production can be found on the INFORMATION menu of the CDD display and on the product label Model number Serial number Week of production otate of LED Status of light s Steady or flashing Error message or code Identify the System structure Information on the PV field Brand and model of PV panels Provide a description of the conditions 40 Can the fault be reproduced If so how Is the fault cyclical in nature If so how often Was the fault apparent at the time of installation If so has it worsened Describe the atmospheric conditions at the time the fault appears appeared 011C5 012C6 Maintenance Routine maintenance Routine maintenance is recommended to maintain efficient operation of the PV installation For cleaning DO NOT use rags made of filamentary material or corrosive products that may corrode parts of the equipment or generate electrostatic charges The maintenance schedule may vary depending on the environmental conditions of the installation site Maintenance operations must be carried out with the equipment disconnected from N the grid power switch open and the photovoltaic modules obscured or isolated unless otherwise indicated The table below describes routine maint
30. n of communication between the CDD and the MICRO inverters b Systematic occurrence of this error may be due to an inverter fault 35 5 Troubleshooting Solution See the Verification of ground leak age and Measuring the insulation resistance sections for information on how to perform checks and measure ments a If the measured insulation resis tance value is less than 1KQ the PV module has a ground leakage that prevents the grid connection of the inverter In this case the PV module must be replaced b If the measured value exceeds 1KQ try connecting the MICRO inverter to a different PV module If the error persists the alarm may be caused by internal inverter faults To perform this test the MICRO inverter Ground Fault condition must be reset via the Web Server a Verify the grid parameters and if the grid voltage is strongly distorted please contact your grid operator to address the problem If the grid voltage is stable the error may also be due to sudden irradiance variations In this case the inverter will automatically try to reconnect to the grid and no actions are required to solve the problem b If the grid voltage is stable yet the error systematically persists the mal function may be caused by an internal inverter fault a The alarm will automatically reset upon connection of the inverter to the grid and no actions are required to solve the problem b If the error syst
31. ne nn anne u uuu 38 Behavior of a system without leakages 38 Behavior of a system with leakage eere eneene ener nnns 39 Measuring the insulation resistance of the PV module 39 Making a service CAN RC 40 Maintenance 41 Routine maintenance Drs U U U U OU ML M NIME NEP U u uu tec ED CNN 41 Storage and dismantling I U U u u Enden u u u u RC aC 42 101 mm AAA ne ce ape A EA PS 43 The MICRO inverter system I UU U U u u uuu u uuu 43 Characteristics of MICRO inverters u uuu 43 Functionality of the equipment u uu u uu 44 Protective devices 11 U U U u u annia anna sna sa asa asas s 44 Efficiency curves E ee T 45 Power reduction curves eese esee U U U a ansa sna su asa asas u u u sous aso asa annu uasa 46 Block diagram NI RINT 49 Wiring diagram 208Vac three phase 1 esee uuu uuu u u 50 Wiring diagram 240Vac split phase 1 uu
32. ng Behavior of a system with leakage If the voltage measured between one of the two poles and ground does not tend to OV and stabilizes on a value there is a ground leakage from the photovoltaic module Example When the measurement is made between positive pole and ground on a photovoltaic module with Voc 37V a voltage of 7V is measured V t 30V LLL Va voltage measured between pole and QD 7V Vb voltage measured between pole and 27 30V In all measurements with the ground of the inverter is indicated Measuring the insulation resistance of the PV module To measure the insulation resistance of the photovoltaic module compared to ground the two poles of the PV generator must be short circuited using a suitably sized selector and verify that the chassis of the module itself is referred to ground of the inverter FV IG Once the short circuit has been made measure the insulation resistance Riso using a megohmmeter posi tioned between the two shorted poles and ground of the inverter 39 FV Inverter Troubleshooting IG If the measured insulation resistance is less than 1Kohm the inverter does not connect to the grid due to a low insulation of photovoltaic module respect to ground The insulation resistance is affected by the environmental conditions the photovoltaic module is in E g pho tovoltaic module wet from dump or rain therefore the measurement must be made i
33. nput Short Circuit Current P V Panels Output Power Factor 2 0 95 This device complies with part 15 of the FCC Rules Operation is MAC ADDRESS itions 1 This device may not cause AA BB CC DD EE FF GG HH his devi r Max Output Current 1 44 A rms 208V 1 25 A rms 240V subject to the following two conditions UTILITY INTERACTIVE 1 For More Details Refer to the Instructions Manual harmful interference and 2 this device must accept any interference received in ause un PEA eri 2 MODEL MICRO 0 3HV I OUTD US 208 240 at al a Ra st eh a i cluding interference that may caust desired operation Max Output Overcurrent Protection 20A 1 Certification 2 Product origin 3 Model number AL hip ED PR J ED Made in China C 258813 www abb com solar Ne rsru SOLAR GRID TIED INVERTER UTILITY INTERACTIVE MODEL MICRO 0 3HV I OUTD US 208 240 3 4 DC input ratings Nominal Input Operating Voltage Max Input Short Circuit Current PV Panels 1 For More Details Refer to the Instructions Manual 10 004CC1 004CC1 5 AC output ratings 6 Environmental rating 7 Serial number 8 MAC address 1 Introduction and safety AC RATING Nominal Output Volta 208 V 2W 18 240 V SW SPQ Operating Voltage Range Nominal Output Frequency 60 Hz factory preset perating Frequency Range 57 to 59 8 Adjustable 60 5 Hz 1 44 A rmsi 208V 1 25 A rms 240V Operating Ambi
34. nty Standard warranty 10 years Available models Standard MICRO 0 25 I OUTD MICRO 0 3 I OUTD 3 MICRO 0 HV I OUTD US 208 240 US 208 240 US 208 240 1 With derating below 200V for 208Vac operation 2 This is the maximum input power that the inverter will utilize 3 Only use PV modules that satisfy these parameters under all operating conditions 53 Further information For more information on ABB products and services for solar applications navigate to www abb com solarinverters pamesey supiy Iy aav vLoc 1u6u doo 0 A38 VN VV 1 21900 99 enuejv 3onpoJd Oz g0c Shra Ln0 l AHE 0 60 67 0 OWOTIA www abb com solarinverters Contact us AA HEP ED FADD ID Power and productivity for a better world
35. pensates for the energy drawn from the utilities connected to the grid to which it is linked The solar energy system then powers all connected electrical devices from lighting to household appliances etc When the photovoltaic system is not supplying sufficient power the power needed to ensure normal operation ofthe connected electrical devices is drawn from the utility grid If on the other hand excess power is produced this is fed directly into the grid becoming available to other consumers In accordance with local and national regulations the power produced can be sold to the grid or credited towards future consumption Each inverter will work independently of the others and will supply the grid with the maximum power available from its photovoltaic panel Characteristics of MICRO inverters Unlike systems subdivided into strings controlled by one or several inverters systems of this sort are built for the incorporation of a MICRO inverter for each photovoltaic module Each MICRO inverter works independently of the others and its own photovoltaic module supplies the maximum power available to the grid This setup enables a direct control over the production of a single photovoltaic module consequently optimizing production as much as possible 43 Appendix Functionality of the equipment Data transmission and control The MICRO inverters are monitored remotely through an advanced communications system based on a w
36. re that the safety distances are correct for normal test and maintenance operations The distance between MICRO inverters installed on the same system array depends on the type of photovoltaic modules and orientation horizontal or vertical 15 2 Installation location Choice of AC cable The AC cable is shipped on a reel with the connectors pre mounted The available spacing between connectors is 41 67 and 81 The installer is responsible for choosing the AC cable model with the correct spacing on the basis of the orientation shown below and type of photovoltaic modules N See technical data in the appendix concerning the maximum number of MICRO inverters permitted for installation at each cable section Figures below show AC cable available for horizontal orientation of the PV modules AC Trunk Spool 67 inches 32 plugs e ideal for 60 cell or 96 cell PV modules AC Trunk Spool 81 inches 27 plugs e ideal for 72 cell PV modules The AC TRUNK SPOOL will contain a number of connectors indicated by the number of plugs in the part number The installer can cut the cable to the length needed for the specific installation 006CC2 006CC2 2 Installation location The figure below shows the AC cable available for vertical orientation of the PV modules AC Trunk Spool 41 inches 50 plugs e Ideal for 60 cell 72 cell 96 cell PV modules gt _ _ _ _ oo__2_
37. rt 7 of this manual for further details The following table describes the behavior of the LED during the startup phase and the static phase of the commissioning For MICRO inverters without an LED on the front panel the ground fault and other indications are reported on the CDD display and monitoring webpage 31 4 Operations LED indicators LED behavior of MICRO inverters with LED on front panel System Description DC Grid Duration otatus Power Connection START UP PHASE first 10 seconds during start up followed by STATIC PHASE virgin acquired STATIC PHASE present J4 Alarm Bootissue ON Continuous 50 DUTY CYCLE PERIOD 1SEC refer to CDD 5 Alarm Ground Fault EN O OFF SOLID RED Alarm Country OFF Continuous OFF 50 DUTY CYCLE Standard PERIOD 2SEC CS issue Continuous 50 DUTY CYCLE PERIOD 2SEC Normal DC present Continuous Grid Con nected Phase description MICRO not yet acquired by first connection of CDD MICRO acquired by CDD No DC source MICRO does not load firmware Ground fault detection Loading country standard not compatible with existing firmware Normal DC present no alarm no Grid Conn Alarm Generic Alarm disconnection Grid issue at start up e g voltage or frequency exceeding the limits to connection id MICRO malfunction or grid issue during running e g voltage or frequency exceeding the limits to 9 Normal running exporting power 92
38. s UU U U U u rnv 8 Safety instructions I U U u eee ee ee 8 Thermal and voltage hazard l U U u u uu u u u u u 9 Location of safety notices and labels 9 Appropriate usage 1 U U U uu u uu u 9 Improper or prohibited use U u uu u u u 9 Available models 1 U U U U U u u uu uuu uu asas asa saa sas aus 10 Regulatory label I U U U U U U u uu uu u b 10 Product identification label U uu uuu u u 12 Installation sec ifr ee ee ee ee N E A E E A 13 Transportation and handliig L uu u iS ond c c 13 incoming Ins OC CEO u ere cat int dnd veri E des bd cr Ya a E eas 13 Overall dimensions and minimum clearances u u u uu 14 Environmental check of installation location 14 lucius me A 15 Choice of AC cable t 16 Mounting zig drip NET Em 19 PSSEMDIY diagfalfi uu l lll Al ia Eia Max aaiae EUR DING GV ACE 19 ASSemDIy IBSITIqJICIIORSUUU III CH qu aa ene VU EUN UMEN E EES asni U DC EN 20 DC grounding elec
39. sitive results yet the error persists the malfunction may be caused by the MICRO inverter 011C5 011C5 Display code LED status Alarm message W003 Blinking green Grid Fail W004 Blinking green VAC OV W005 Blinking green VAC UV W011 Solid red Vbulk UV W032 Blinking green Pgrid limitation W033 Blinking green Pgrid Fgrid limitation W034 Blinking green Pgrid VAC high limitation W035 Blinking green Cause This alarm is generated when one or more grid parameters lie outside the permitted range set by the country of installation s grid standard The er ror code will be followed by a suffix in brackets indicating the grid parameter out of range UV Grid voltage below the set lower limit OV Grid voltage above the set upper limit UF Grid frequency below the set lower limit OF Grid frequency above the set up per limit Internal fault of the booster circuit inverter MICRO is limiting AC power due to an external condition not an error but a certain working condition MICRO is limiting AC power due standard frequency regulation MICRO is limiting AC power due to a standard voltage regulation Fgrid problem 97 5 Troubleshooting Solution If the error is generated only on one of the installation MICRO inverters this may be due to an inverter fault If the alarm is generated at multiple inverters in the installation check the grid voltage for instabilities in
40. t and check that air flow to the MICRO inverter is not obstructed so as to permit cooling of the device Check that the ambient temperature measured around the MICRO inverter does not exceed the limits set in the technical data b Verify the MICRO inverter tempera ture readings see the Internal Web Server section in the CDD manual If one of the temperatures remains at a value which is not compatible with the environmental conditions e g 40 C internal temp reading with 20 C effec tive ambient temperature the alarm may be due to internal inverter causes 011C5 011C5 Display code LED status Alarm message E018 blinking green Ground fault E023 Blinking green DC Injection E024 Blinking red Internal Error The error is generated when a ground leakage current is detected in the DC section of the system This may be caused by a PV module ground leakage b Internal inverter fault The error is generated if the DC component of the current supplied to the grid exceeds the threshold set by the country of installation s applicable regulation In any case the inverter will automatically try to reconnect to the grid This may be caused by a Sporadic recurrence of this error is a sign of large grid distortions or sudden changes in irradiance b Systematic recurrence of this error may be due to an inverter fault a The alarm may occur during inverter initialization and is caused by the initializatio
41. tallation warnings The inverter is designed and tested according to international safety requirements UL1741 IEEE1547 however certain safety precautions must be observed when installing and operating this inverter Read and follow all instructions cautions and warnings in this installation manual It is required that the CDD be installed with any MICRO inverter in compliance with N UL1741 for the purpose of indication and resetting of ground faults The wireless communication system inside the MICRO transmits information to the CDD that analyzes and manages data See CDD product manual and or Quick Installation Guide available on the website for a description of the CDD Electrical connection warnings This grid tied inverter system operates only when properly connected to the AC utility grid Before connecting the grid tied inverter to the AC utility grid contact the local power distribution company to receive the appropriate approvals This connection must be made only by qualified technical personnel Wiring methods used should be in accordance with the National Electric Code ANSI NFPA 70 and or any prevailing local codes and N regulations The AC output neutral is not bonded to ground The input and output circuits are isolated from the enclosure and the system grounding must be installed per the requirements of the National Electric Code ANSI NFPA 70 and is the responsibility of the installer It is the responsibilit
42. trode conductor coupling all the MICRO inverters 21 DC grounding electrode conductors for each MICRO inverter 22 Installing the AC trunk end cap 1 u uu 26 Use of the AC trunk unlock tool eeeeeeene ene ere 26 Luego m 27 Load protection switch AC disconnect switch 27 Differential protection downstream of the inverter 20 Choosing the interface protection system and device downstream of the inverter 28 AC grid CONNECTIONS eo ne ne ee ee 28 Characteristics and sizing of the line cable 29 Wiring or A CaDIG usse i eis i ee ee ee 29 Operations 31 GOMMIS SIOM NAG NER 31 Sequence of operations U U u u u uu 31 LLL MICA 32 002TC 002TC Troubleshooting 33 Alarm messages generated by the MICRO inverter 33 Verification of ground leakage 1 u rere eee en
43. u u 51 Template for system diagram of installation 52 Technical data and types 4 1 1 U U enses u u uu u u 53 2 1600 003CH1 Introduction and safety Warnings in this document This is a list of special safety symbols used in this manual that highlight potential safety risks and or useful information The symbol usage is described below CAUTION N The reader should stop use caution and fully understand the operations explained before proceeding DANGEROUS VOLTAGE J The product works with high voltages All work on the inverter must follow the described documentation and must comply with all prevailing codes and regulations associated with high voltages HOT TEMPERATURE some surfaces may become hot do not touch the product while it is in operation P UL1741 Standard for Safety for Inverters Converters Controllers and Interconnection System Equipment for use with Distributed Energy Resources CSA C22 2 No 107 1 01 General Use Power Supplies Equipment safety warnings In addition to the safety and hazard symbols the following symbols are also used in this installation guide system earth conductor equipment ground protective earth Alternating current AC Phase Direct current DC Grounding earth 1 Introduction and safety General ins
44. unless otherwise expressed Cleaning with corrosive products that may corrode parts of the equipment or with products that might generate electrostatic charges 9 1 Introduction and safety Available models There are three models of the MICRO defined by their rated output power 0 25 kW 0 3 kW or 0 3kW high voltage HV Each version is also available for either a 240Vac split phase or 208Vac single phase AC grid connection All model dimensions are 10 5 x 9 7 x 1 37 and weigh 3 1 2 Ib 1 65kg Output power Model number 250 Watts MICRO 0 25 I OUTD US 208 240 300 Watts MICRO 0 3 I DUTD US 208 240 300 Watts MICRO 0 3HV I OUTD US 208 240 Regulatory label The label shown is affixed to the inverter and provides the following information Operating Ambient Temperature Nominal Input Operating Voltage Nominal Output Voltage 208V 2W 10 c AA EP ED nu DEM asas i ania N aon 40 to 75 C 40 to 167 F with Output Power Derating PF IPID nai Operating Voltage Range 183 228V 211 264V eA els il ula U Range of Input Operating Voltage DC Ground Fault Detector Interrupter is Provided Range of Input Voltage Full Power Nominal Output Frequency 60 Hz factory preset www abb com solar Tis aM capone Operating Frequency Range 57 to 59 8 Adjustable 60 5 Hz For More Details Refer to the Instructions Manual Contains FCC ID X6W EMBZ SOLAR GRID TIED INVERTER Max I
45. y and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help 001CV 001CV Product Manual MICRO inverter 1 Introduction and safety 2 Installation location 3 Mounting and wiring 4 Operations 5 Troubleshooting 6 Maintenance 7 Appendix MICRO 0 25 0 3 0 3HV I OU TD US 208 240 Product Manual BCG 00612 1 AA NA Rev 1 0 Copyright 2014 ABB All Rights Reserved Contents Introduction o etri C 7 Warnings in this document IU U U U U U U U u uu uu 7 Equipment safety warnings UU U U u u u 7 General installation warnings U U u u uuu u 8 Electrical connection warning
46. y of the installer to provide external disconnect switches and Overcurrent Protection Devices OCPD as required by National Electric Codes and other prevailing regulations To reduce the risk of fire connect only to a circuit provided with 20A maximum branch circuit overcurrent protection in accordance with the National Electric Code ANSI NFPA 70 Safety instructions Normally grounded conductors may be ungrounded and energized when a ground fault is indicated resulting in risk of electric shock Always test voltage with a voltmeter before touching Install the inverter in accordance with the electrical standards prescribed by the applicable National Electric Code NEC and or by other local codes and regulations 004CC1 004CC1 1 Introduction and safety Thermal and voltage hazard AN Certain parts may be extremely hot immediately following shut down due to normal elevated surface temperatures e g transformers accumulators coils etc Prior to touching any part of the inverter use care to ensure surfaces and equipment are at touch safe temperatures and voltages before proceeding Anytime the inverter has been disconnected from the AC utility grid use extreme caution as some components can retain charge sufficient to create a shock hazard and may need time to dissipate the charge To minimize occurrence of such conditions comply with all corresponding safety symbols and markings present on the unit and in this manual
47. zes and manages all system data All this guarantees optimal operation of the entire unit and high efficiency in all insolation and load conditions always in full compliance with the rel evant directives standards and provisions l l l l l l l l l l l l l l l l L 49 mm ES m 7 Appendix WIRELESS CONTROL CIRCUIT Appendix 208Vac three phase If several MICRO inverters are installed in a three phase AC GRID it is recommended to distribute the inverters between the phases in order to reduce the power unbalances between the phases Refer to the local standards iagram d iring LOEL0 s1ejoAUI ONOIIN 0E 0 dn 1400puj Gao sna ui u 3 95e d 5 po1 5 l3 punoio Je33noN JO I4IM gt SL 2 VINAN BuipunoiS sio 599uuo5 Sv Buno uuoosip aa al o Jod V e peuedo eq pjnous qay 1 depy JoxeaJq oy ulew u L JaMOd ado r1 sd v 29 dd90 OU CIC z DDD 2 OOUOU0UOUO0O 2 b e lqe1 s 989 T ad20 K E OO K a OO jA ae MND211 2V Jed 0o00 0o00 1 ye i1g 1JIn52119 YOZ ogogogggggg oggggoggggog ogogo mimimisimisisjimisja 1 F be lqe1 Jed d v dd90 m 1a Jayeaiq OS N eo ule K HIR K di m peo OV ule OOO ae OOO OOU ogoggogoggogg DDD ooog JD JD oeAg0z Sn q 1nO I 0 O3OII LL 03 dn 2eA80Z SN
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