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008CC3

3 - Mounting and wiring

9. Plug the DC cables into the corresponding inputs on the MICRO inverters and install the photovoltaic
modules.

It is 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.

See the CDD product manual or Quick Installation Guide for the procedures.

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Содержание MICRO-0.25-I-OUTD-US-208/240

Страница 1: ...ABB solar inverters Product manual MICRO 0 25 0 3 0 3HV I OUTD US 208 240 ...

Страница 2: ...WKH UHVSRQVLEOH SDUW FRXOG YRLG WKH XVHU DXWKRULW to operate the equipment FCC REMARKS The equipment has been tested and found to comply with the limits for a Class B digital GHYLFH SXUVXDQW WR 3DUW RI WKH 5XOHV 7KHVH OLPLWV DUH GHVLJQHG WR SURYLGH UHDVRQDEOH SURWHFWLRQ DJDLQVW KDUPIXO LQWHUIHUHQFH LQ D UHVLGHQWLDO LQVWDOODWLRQ 7KLV HTXLSPHQW JHQHUDWHV XVHV DQG FDQ UDGLDWH UDGLR IUHTXHQF HQHUJ DQG...

Страница 3: ...ntroduction 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 OUTD US 208 240 Product Manual BCG 00612 1_AA NA Rev 1 1 Copyright 2014 ABB All Rights Reserved ...

Страница 4: ...check of installation location 14 Installation position 15 Choice of AC cable 16 Mounting and wiring 19 Assembly diagram 19 Assembly instructions 20 DC grounding electrode conductor coupling all the MICRO inverters 21 DC grounding electrode conductors for each MICRO inverter 22 Installing the AC trunk end cap 26 Use of the AC trunk unlock tool 26 Wiring details 27 Load protection switch AC disconn...

Страница 5: ... 39 Making a service call 40 Maintenance 41 Routine maintenance 41 Storage and dismantling 42 Appendix 43 The MICRO inverter system 43 Characteristics of MICRO inverters 43 Functionality of the equipment 44 Protective devices 44 Efficiency curves 45 Power reduction curves 46 Block diagram 49 Wiring diagram 208Vac three phase 50 Wiring diagram 240Vac split phase 51 Template for system diagram of in...

Страница 6: ... 6 002TC ...

Страница 7: ... 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 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...

Страница 8: ...his connection must be made RQO E TXDOL HG WHFKQLFDO SHUVRQQHO Wiring methods used should be in accordance with the National Electric Code ANSI NFPA 70 and or any prevailing local codes and 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 ElectricCo...

Страница 9: ...FKQLFDO VSHFL FDWLRQV 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 practi...

Страница 10: ...e or 208Vac single phase AC grid connection All model dimensions are 10 5 x 9 7 x 1 37 and weigh 3 1 2 lb 1 65kg Output power Model number DWWV MICRO 0 25 I OUTD US 208 240 DWWV MICRO 0 3 I OUTD US 208 240 DWWV MICRO 0 3HV I OUTD US 208 240 Regulatory label 7KH ODEHO VKRZQ LV DI HG WR WKH LQYHUWHU DQG SURYLGHV WKH IROORZLQJ LQIRUPDWLRQ HUWL FDWLRQ 2 Product origin 3 Model number 1 2 3 4 DC input r...

Страница 11: ... 004CC1 1 Introduction and safety 5 AC output ratings 5 6 Environmental rating 6 7 Serial number 8 MAC address 7 8 ...

Страница 12: ...HU 6HULDO 1XPEHU QYHUWHU 3DUW 1XPEHU HHN HDU RI PDQXIDFWXUH QYHUWHU 0 DGGUHVV QYHUWHU PRGHO 7KH LGHQWL FDWLRQ ODEHO RQ WKH LQYHUWHU LV VKRZQ EHORZ GXSOLFDWH LGHQWL FDWLRQ ODEHO 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 fo...

Страница 13: ...to discard any equipment parts or manuals Call the delivering carrier if damage or shortage is detected If inspection 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 TRUNK SPOOL 67 inches 32 plugs AC TRUNK SPOOL 8...

Страница 14: ...ed degree of protection temperature humidity altitude etc The maximum operational ambient air temperature MUST be considered when choosing the inverter installation location QVWDOOLQJ WKH LQYHUWHU ZKHUH RSHUDWLQJ WHPSHUDWXUHV H FHHG WKH VSHFL FDWLRQV ZLOO UHVXOW LQ SRZHU OLPLWLQJ LW LV UHFRPPHQGHG WKH LQYHUWHU EH LQVWDOOHG ZLWKLQ WKH VSHFL HG WHPSHUDWXUH UDQJH 7R DYRLG RYHUKHDWLQJ DOZD V PDNH VXUH...

Страница 15: ...ules 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 Ensure that the safety distances are correct for normal test and maintenance operations The distance between MICRO inverters installed on ...

Страница 16: ...echnical 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 Ideal for 60 cell or 96 cell PV modules AC Trunk Spool 81 inches 27 plugs Ideal for 72 cell PV modules The AC TRUNK SPOOL will contain a number of connecto...

Страница 17: ... 006CC2 2 Installation location 7KH JXUH EHORZ VKRZV WKH FDEOH DYDLODEOH IRU YHUWLFDO RULHQWDWLRQ RI WKH 39 PRGXOHV AC Trunk Spool 41 inches 50 plugs Ideal for 60 cell 72 cell 96 cell PV modules 41 ...

Страница 18: ... 006CC2 2 Installation location ...

Страница 19: ... 007CH3 Assembly diagram 3 Mounting and wiring ...

Страница 20: ...nverter fasteners to the values shown below do not over torque 6 mm 1 4 mounting hardware 5 N m 45 to 50 in lbs 8 mm 5 16 mounting hardware 9 N m 80 to 85 in lbs 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 legis...

Страница 21: ... 008CC3 3 Mounting and wiring DC grounding electrode conductor coupling all the MICRO inverters 7KH FRQGXFWRU PXVW KDYH D PLQLPXP FURVV VHFWLRQ RI Tighten with 2Nm 17 7 in lb torque ...

Страница 22: ...linking the assembly to the grounding distribution structure must be at OHDVW Tighten with 2Nm 17 7 in lb torque Ensure that the quality of the bond made between the conductor and the structure is secure 2QO D UDFNLQJ V VWHP WKDW LV FHUWL HG IRU XVH DV D JURXQGLQJ VWUXFWXUH LV SHUPLWWHG WR XVH this method ...

Страница 23: ...ated to 75 C 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 3URWHFW DQ XQXVHG 7581 FDEOH FRQQHFWRUV E WWLQJ WKH 7581 3 8 3 RQ WKHP WR NHHS WKHP watertight The temporary caps are...

Страница 24: ...l foglio Azimuth Tilt F E D C B A 1 Orientation N W E S N W S W S E N E 2 Affix the detachable label of each inverter to the applicable field on the map 3 4 5 MICRO 0 XX I OUTD VVV PN PPPPPPPPPPP SN YYWWSSSSSS MAC AA BB CC DD EE FF GG HH MICRO 0 XX I OUTD VVV PN PPPPPPPPPPP SN YYWWSSSSSS MAC AA BB CC DD EE FF GG HH MICR O 0 X X I O UT D VV V PN PPP PPP PPP PP SN YYW WSS SSS S MAC AA BB CC DD EE FF...

Страница 25: ...tly 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 a...

Страница 26: ...w the ring nut to 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 t...

Страница 27: ... 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 WKH FDEOH FURVV VHFWLRQ 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 10A 16A 20A Max number ...

Страница 28: ...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 line 87 21 7R UHGXFH WKH ULVN RI UH FRQQHFW RQO WR D FLUFXLW SURYLGHG ZLWK PD LPXP bra...

Страница 29: ...le TheAC cables from the MICRO inverters have four conductors with different colors to identify the function of each conductor L1 red L2 black Neutral white Ground Green AC trunk spool 41 inches 50 plugs 41 AC cable 4 conductors wheelbase 41 40 connectors AC trunk spool 67 inches 32 plugs 67 AC cable 4 conductors wheelbase 67 32 connectors AC trunk spool 81 inches 27 plugs 81 AC cable 4 conductors...

Страница 30: ... 008CC3 3 Mounting and wiring ...

Страница 31: ...ed Sequence of operations 7KH VWHSV WR WDNH IRU FRQ JXULQJ WKH DFTXLULQJ WKH 0 52 LQYHUWHUV LQ WKH V VWHP and registering at the AURORAVISION 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 Verity that all inverters are operational and harves...

Страница 32: ...ard CS issue ON OFF Continuous OFF 50 DUTY CYCLE PERIOD 2SEC 7 Alarm Generic Alarm ON OFF Continuous 50 DUTY CYCLE PERIOD 2SEC 50 DUTY CYCLE PERIOD 2SEC 8 Normal DC present no alarm no Grid Conn ON OFF Continuous 50 DUTY CYCLE PERIOD 2SEC OFF 9 Normal DC present Grid Con nected ON ON Continuous 10 DUTY CYCLE PERIOD 10SEC OFF Phase description 1 0 52 QRW HW DFTXLUHG E UVW FRQQHFWLRQ RI 2 MICRO acqu...

Страница 33: ... c Faulty MICRO inverter 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 SKRWRYROWDLF PRGXOH VSHFL FDWLRQV DUH compatible with the inverter c If conditions a and b have been YHUL HG DQG WKH HUURU SHUVLVWV WKH PDO function may be caused by an internal inverter fault E004 blinking red V...

Страница 34: ...een OverTemp 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 a Verify the installation conditions exposure to sunlight and c...

Страница 35: ...ion 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 Verify the grid parameters and if the grid voltage is strongly distorted please contact your grid ope...

Страница 36: ...on to ensure better radio signal quality E 6 VWHP FRQ JXUDWLRQ PXVW EH 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 LQVXI FLHQW LQSXW YROWDJH JHQHUDWHG E the PV module E501 Blinking green Communication fault The alarm is generated when the CDD device does not receive messages from the MICRO...

Страница 37: ...ck the grid voltage for instabilities in 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 Solid red Vbulk UV Internal fault of the booster circuit inverter Contact customer service Blinking green Pgrid limitation MICRO is limiting AC power...

Страница 38: ...a voltmeter Behavior of a system without leakage XH WR WKH FDSDFLWLYH HIIHFW RI WKH SKRWRYROWDLF PRGXOH GXULQJ WKH UVW PRPHQWV WKDW WKH 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 0V if there is no ground leakage as shown in the graph below The internal resistance of the voltmeter tends to zero the v...

Страница 39: ...OH ZLWK 9RF 9 D YROWDJH RI 9 LV PHDVXUHG 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 Once the short circuit has been made measure t...

Страница 40: ...4 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 HHN RI SURGXFWLRQ State of LED Status of light s 6WHDG RU ÀDVKLQJ Error message or code Identify the System structure QIRUPDWLRQ RQ WKH 39 HOG Brand and model of PV panels Provid...

Страница 41: ... PDLQWHQDQFH UHFRPPHQGHG WR PDLQWDLQ HI FLHQW RSHUDWLRQ RI WKH LQVWDOODWLRQ Annual operations Check that there has been no drastic change in the installation conditions that PLJKW KDYH D QHJDWLYH LQÀXHQFH RQ UDGLR FRPPXQLFDWLRQ ZLWK WKH 0 52 LQYHUWHU Annual cleaning Conduct an annual visual inspection where possible on the various components DC cables MICRO inverters and AC cables to check for dus...

Страница 42: ... 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 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...

Страница 43: ...em then powers all connected electrical devices from lighting to household appliances etc KHQ WKH SKRWRYROWDLF V VWHP LV QRW VXSSO LQJ VXI FLHQW SRZHU WKH SRZHU QHHGHG WR HQVXUH QRUPDO RSHUDWLRQ of the 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 ...

Страница 44: ...f 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 pro...

Страница 45: ...RI WKH HI FLHQF FXUYHV RI DOO WKH PRGHOV RI LQYHUWHU GHVFULEHG LQ WKLV PDQXDO DUH VKRZQ EHORZ 7KH HI FLHQF FXUYHV DUH OLQNHG WR WHFKQLFDO SDUDPHWHUV WKDW DUH FRQWLQXDOO EHLQJ GHYHORSHG DQG LPSURYHG DQG should therefore is considered approximate ...

Страница 46: ...ower 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 temperature such as input voltage grid voltage etc The inverters can decrease power output during certain periods of the day according to these parameters ...

Страница 47: ...e 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 ...

Страница 48: ... 48 013C7 7 Appendix ...

Страница 49: ...f 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 The inverter is controlled by two independent DSPs Digital Signal Processors and a central microprocessor The connection to the power grid is thus kept under control by two independent PRQLWRUV LQ IXOO...

Страница 50: ...BB AC cable Black L1 Red L2 White Neutral Green Ground Meter Equipment Ground Conductor Solar Panel MICRO inverter AC distribution panel Neutral BUS Ground BUS 20A Circuit Breaker per AC TRUNK CDD Power Adapter Main AC load breaker The main AC breaker should be opened prior to disconnecting AC connectors CDD Indoor Up to 30 MICRO inverters Router WiFi or Ethernet Up to 13 MICRO 0 25 I OUTD US 208V...

Страница 51: ...ectrode Conductor Solar Panel MICRO inverter AC distribution panel Conduit or other NEC accepted wiring method Neutral BUS Ground BUS CDD Power Adapter Main AC load breaker The main AC breaker should be opened prior to disconnecting AC connectors CDD Indoor Up to 30 MICRO inverters Router WiFi or Ethernet Up to 15 MICRO 0 25 I OUTD US 240Vac Up to 12 MICRO 0 3 I OUTD US 240Vac 20A Circuit Breaker ...

Страница 52: ...eet To sheet Azimuth Tilt Page of F E D C B A 1 Orientation N W E S N W S W S E N E 2 the map located on the rear side of the inverter bearing the serial number of the PVI MICRO 3 4 5 To sheet Template for system installation diagram ...

Страница 53: ...arized PV connectors Amphenol H4 Output protection devices Anti islanding protection Meets UL 1741 IEEE1547 requirements Over voltage protection type Varistor Varistor Varistor Maximum AC OCPD rating 20A 20A 20A EfƂEKency Maximum efƂciency 96 5 96 5 96 5 CEC efƂciency 96 96 96 Operating performance Stand by consumption 50mW 50mW 50mW Communication Monitoring system Wireless and web based monitorin...

Страница 54: ...Further information For more information onABB products and services for solar applications navigate to www abb com solarinverters ...

Страница 55: ...Contact us www abb com solarinverters MICRO 0 25 0 3 0 3HV I OUTD US 208 240 Product Manual BCG 00612 1_AA NA REV 1 1 Copyright 2014 ABB All Rights Reserved ...

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