1.5KW/2KW PV Inverter User Manual
Contents
1. 1 5KW 2KW PV Inverter Table Of Contents ee AUO Tee ee EA 1 1 1 ONVOIVIEW see ee ee soe seca near een 1 1 2 Affecting Factors for Performance of the Inverter u2uu2s0220nnnn ann nun nn nn nennen 1 Ze Important Sarely Wann wre era 2 3 Unpacking amp OVelvieW ieeeee E 4 SV PICKIGs E ee ne ee ee 4 IE 2 Prod Uct IVI OW snus senun aie toni ennsecamnnna onesie sue a O i EETA iA 4 4 AVS ON Viasat 20er 5 4 1 Selecting MOUNTING Location cece eee eee teres nun ann nn nents nea nn nenne nennen 5 4 2 Mounting Unit with Wall Mounting Bracket ccccecceeseeeeeeeeeeeeeaeeaeeeeseeaeeaeeaes 5 5 Old AC CONMCCUGN nenne 6 FPEO ON ansehe een 6 5 2 Conhecting Othe AC UUl ee 6 6 PV Module DC Comme ction c ccccscsensecessccrsscarcnenscuseecessecrsucarsuenssusersesssersesarsnens 8 Di NMRA ee AU IRI eean a a a aa 11 8 COMMI SONN zensiert Seren E rennen 12 9 OPON en ee ne er ee innere ee 13 k MNCL eel A canta UG A 13 9 2 LCD Information Define ea ana ann nannten anne 13 93 Operation BUOM sera 14 9 4 Query Menu Operation u 2 000000n0 an nn En nn nn nun nun Han nun En nn nn ann nn nn nn an nn En nn nn 14 9 5 Operation Mode amp Display zu2u2senunnnnnnnnnn nn ann nn ann nn nn nn nn nun nn nun nn nn nn nn nn nn nun nennen 15 10 Maintenance amp Cleaning sie ER RDE 16 Te WHOUDIS SMOOUING zen ea nee een see 17 11 1 Warming SICUAUION ae een 17 11 2 Fault Reference COS a ae nee 17 12 SDEE2. Environment temperature affects the power output of PV modules Higher the temperature lower the power output of PV module Comparing with pole mounted PV module array roof mounted PV module array generates less power due to less air circulation and excess heat from roof top Important The inverter will reduce its output generation to protect its electronic circuits from overheating and any damage under high temperature environment For maximum power output in high temperature it s recommended to mount the inverter in a shaded location with good ventilation Angle of the Sun The angle of the sun in relation to the PV array surface the array orientation can dramatically affect the PV array output The array energy output will vary depending on the time of day and time of year as the sun s angle in relation to the array changes Sunlight output decreases as the sun approaches the horizons such as in winter in Europe due to the greater atmospheric air mass it must penetrate reducing both the light intensity that strikes the array s surface and spectrum of the light In general you can expect only four to six hours of direct sunlight per day depending on what part of Europe the inverter is installed Partial Shade Shading on a single PV module of the array will reduce the output power of the entire system Such shading can be caused by something as simple as the shadow of a utility wire or tree branch on part of the array s surface T
3. NOTE If backlight shuts off you may activate it by pressing any button 9 4 Query Menu Operation This display shows current values of your system These displayed values can be changed in query menu via button operation Press INFORMATION SELECT button to enter query menu There are two query selections Frequency or voltage of AC output Power generation today or total power generation since installation Frequency or voltage of AC output Voltage of AC output oo p PV INPUT AC OUTPUT 4 Returns to de AC OUTPUT m a j n m en iis TODAY ENERGY GENERATED see eer aries iu 15 gogg m AC OUTPUT En Vue wu F UTILITY ga TODAY ENERGY GENERATED oOonigd Sn uo Returns to IB 19 I main menu 14 Power generation Power generation today LCD Display 9 5 0 Power on mode PV INPUT Occ bah a bah a bnl OUTPUT o A bah aaah hal a hanl Grid mode Standby mode PV INPUT p i g k I OUTPUT Returns to main menu Returns to main menu Tabar ENERGY GENERATED moo0og III III N AS UTILITY HE TODAY ENERGY GENERATED onmog LILI l kWh TODAY ENERGY GENERATED GETI EI o Ill Il hand 15 PV INPUT AC OUTPUT ojo DE 56 u UM gt us i E Waj TODAY ENERGY GENERATED goug AC OUTPUT 2 10 237 JR rota ENERGY GENERATED PV INPUT OUTPUT 019 36 000 The inverter is initializing The inverter is feeding power to the gr
4. grounding is connected properly after LCD screen completely shuts down If grounding is correctly connected turn on DC brearker After it displays No Utility in LCD screen turn on AC breaker After 60 seconds the system will automatically connect to the grid If the error message still remains please contact your installer Check if the impedance between positive and negative poles to the ground is greater than 1MQ If the impedance is lower than 1MQ please contact your installer Situation Icon Line value consistent fail between MCU amp DSP 17 Connection failure between MCU amp DSP 18 Communication failure between MCU amp DSP 5 No display in LCD screen Time display in LCD screen changes quickly or Slowly Inverter is turned on and turned off in turns 19 Solution Please disconnect AC breaker first and then disconnect DC breaker After LCD screen is completely off turn on DC breaker Until it shows No Utility in LCD display turn on AC breaker After 60 seconds the system will automatically connect to the grid If error message remains please contact your installer Check if the inverter is connected to the ground If ground is properly connected and the error message remains please contact your installer Check input voltage of PV modules If input voltage is higher than 150VDC please contact your installer Please calibrate the timer via software I
5. 4 Picture 3 Picture 4 Crimp contact barrel by using the crimping die and be careful NOT to hurt the second row wings See below pictures 5 and 6 for crimping result Picture 5 Picture 6 Amphenol specified crimp tool can be used in this step The pull out forces requirement is listed as the following Cable size Cable pull out force requirement 2 5 mm Min 230 N 50Lbs Min 310 N 70Lbs Min 360 N 80Lbs Connector assembly process Insert assembled contact cable into back of male and female connector A click should be heard or felt when the assembled contact cable is seated in correct position Contacts cannot be removed once seated See below pictures 7 10 Female coupler a Picture 7 Picture 8 Male Coupler as gt a Picture 9 Picture 10 Back cap must be locked by using a torque between 2 6 and 2 9NM Amphenol specified hand wrench tool can be used in this step or electric torque controlled wrench tool with as well the Amphenol open end back cap spanner or socket wrench See below picture 11 and 12 for hand wrench gt Picture 11 Picture 12 Note Pneumatic wrench tools are NOT recommended since torque control is very difficult Step 2 Check the input voltage of PV array modules The acceptable input voltage of the solar inverter is 125VDC 450VDC for 1 5KW and 125VDC 450VDC for 2KW Please make sure maximum input current should not exceed 11A CAUTION Exceeding
6. 5 C and 60 C to ensure optimal operation The recommended installation position is to be adhered to vertical Unused DC connectors and interfaces must be sealed with sealing plugs to ensure protection class IP65 for the whole system inverter amp cables This inverter is designed with IP65 for outdoor applications with high humidity WARNING Remember that this inverter is heavy Please be carefully when lifting out from the package 4 2 Mounting Unit with Wall Mounting Bracket Please utilize the delivered mounting plate for problem free installation of the solar inverter Installation to the wall should be implemented with the proper screws Mount the wall bracket so that the solar inverter can be easily attached to the wall After that the device should be bolted on securely 1 Mount the mounting plate with 2 Put solar inverter onto the mounting appropriate screws M5 SUS304 into plate four holes to fix the plate in place 3 Screw the inverter in position by screwing 4 Check if the solar inverter is firmly the supplied M5 screw located on the secured underside of the enclosure 5 Grid AC Connection 5 1 Preparation Before connecting to AC utility please install aseparate AC circuit breaker between inverter and AC utility This will ensure the inverter can be securely disconnected under load NOTE1 Although this inverter is equipped with a fuse F1 point on P
7. CB 250VAC 20A it s still necessary to install a separate circuit breaker for safety consideration Please use 250VAC 20A circuit breaker NOTE2 If you want to add a manual RCMU it shall be type B WARNING It s very important for system safety and efficient operation to use appropriate cable for grid connection To reduce risk of injury please use the proper recommended cable size as below Suggested cable requirement for AC wire Diameter mm mm 1 5kW 2kW gt 3 3 5 2 Connecting to the AC Utility Overview of AC Connection Socket Cable gland A AC output terminal on the inverter B Socket element Protective element Threaded sleeve Sealing nut Pressure dome Step 1 Check the grid voltage and frequency with an AC voltmeter It should be the same to VAC value on the product label Step 2 Turn off the circuit breaker Step 3 Insert sealing nut E inside of threaded sleeve D Then screw pressure dome F tightly onto the assembled threaded sleeve Refer to Chart 1 Step 4 Thread the protective element C with assembled cable gland over the utility cable Refer to Chart 1 Chart 1 Step 5 Remove insulation sleeve 8 mm for three conductors And shorten phase L and neutral conductor N 3 mm Step 6 Insert utility cable through socket element B and tighten the screw to fix utility cable And push protective element C onto the socket element B until it audibly snaps into place
8. IEICALONS se ae ae Eee 20 1 Introduction 1 1 Overview This PV inverter is designed to convert solar electric photovoltaic or PV power into utility grade electricity that can be sold to the local power company This inverter is embedded with smart MPP tracker to allow the PV inverter to operate at optimum power output voltage PV module ll DI neran Distribution Box Electric grids PV inverter Figure 1 Basic PV System Overview This inverter is only compatible with PV module types of single crystalline and poly crystalline Do not connect any sources of energy other than these two types of PV modules to the inverter When designing the PV system ensure that the values comply with the permitted operating range of all components at all times See Figure 1 for a simple diagram of a typical PV system with the Inverter 1 2 Affecting Factors for Performance of the Inverter There are a lot of factors to influence the performance of this inverter Rating for PV Modules PV modules are rated at ideal factory conditions such as specified illumination 1000 W m2 spectrum of the light and temperature 25 C 77 F This is called the STC Standard Test Condition rating and is the figure that appears on the spec label of PV module Generally speaking only around 60 to 70 of its peak STC rated output will be produced from your PV modules due to unpredicted environmental factors Temperature and Power Reduction
9. f the problem remains after calibration please contact your installer It s normal situation due to insufficient radiation in the short term time 12 Specifications MODEL Cs s s s s sYSC lt CS Kw TCU Kw Tracker 230 VAC 184 VAC 230 VAC 184 VAC Power Factor gt 50 load FFICIENCY Maximum Efficiency Nominal Voltage uropean Efficiency Nominal Voltage PROTECTION 96 95 96 95 European Efficiency Nominal Voltage 95 9 l es es round Fault Monitoring Yes Yes rid Monitoring Yes es C Short Circuit Protection Yes Yes PHYSICAL Dimension D X W X H mm 410 x 270 x 155 et Weight kgs BEE O 12 NTERACE USB amp RS 232 card USB amp RS 232 card Intelligent Slot Optional SNMP amp Optional SNMP amp Modbus card Modbus card ENVIRONMENT 2I0IO J O 3 AX lt D s W D L i gQ s lt a x O er D O c O m N IP65 Pollution Degree IP65 Pollution Degree 0 100 25 C to 60 C 25 C to 60 C Ititude 0 1000 m 0 1000 m When temperature is above 75 C the unit will de rate according to the below formula P Prating X 110 T 75 x10 umidity 0 100 gt O z gt go 2 3 3 or gt amp S o amp 3 2 g9 D a er Cc qo 20
10. his condition in effect acts like a weak battery in a flashlight reducing the total output even though the other batteries are good However the output loss is not proportionate to shading even a tiny bit of shading will reduce the PV power to the inverter The inverter is designed to maximize its power production in all of the above situations using its proprietary MPPT algorithm Other Factors Other factors to reduce power generation of a solar system are Dust or dirt on the modules Fog or smog Mismatched PV array modules with slight inconsistencies in performance from one module to another Inverter efficiency Wire losses Utility grid voltage 2 Important Safety Warning Before using the inverter please read all instructions and cautionary markings on the unit and this manual Store the manual where it can be accessed easily This manual is for qualified personnel The tasks described in this manual may be performed by qualified personnel only General Precaution Conventions used WARNING Warnings identify conditions or practices that could result in personal injury CAUTION Caution identify conditions or practices that could result in damaged to the unit or other equipment connected WARNING Before installing and using this inverter read all instructions and cautionary markings on the inverter and all appropriate sections of this guide WARNING Normally grounded conductors may be ungrounded a
11. id The inverter is waiting for the DC voltage to reach a certain level so that it can start feeding the grid Fault mode An error occurs inside of the inverter Please inform your installer TODAY ENERGY GENERATED orig Ha kwn 10 Maintenance amp Cleaning Check the following points to ensure proper operation of whole solar system at regular intervals Heat sink of the inverter should be cleaned from dust WARNING Although the inverter is designed in sealed IP65 enclosure it is not recommended to use a pressure washer to clean the inverter or use other high pressure cleaning methods that could allow water or moisture to enter the unit Clean the PV modules during the cool time of the day whenever it is visibly dirty Periodically inspect the system to make sure that all wires and supports are securely fastened in place WARNING There are no user replaceable parts inside of the inverter Do not attempt to service the unit yourself 16 11 Trouble Shooting When there is no information displayed in the LCD please check if PV module connection is correctly connected 11 1 Warning Situation There are 5 situations defined as warnings When a warning situation occurs IN icon will flash and the fault code area will display WR wordings No PV module is connected flash failure Inverter initial failure Line loss Islanding is detected 11 2 Fault Reference Codes When a fault occurs
12. m your installer Step 3 Use supplied USB cable to connect the inverter and your computer and start monitoring software installed in your computer 12 9 Operation 9 1 Interface This LCD panel shows current status and value of your system This display is operated by Information SELECT button NOTICE To accurately monitor and calculate the energy generation please calibrate the timer of this unit via software every one month For the detailed calibration please check the user manual of bundled software 9 2 LCD Information Define T8DAY ENERGY GENERATED Display BE 77 7 77 N nm v Indicates input voltage of PV module C010 V voltage nn Indicates AC output voltage or frequency p u I bah a hana hal V voltage Hz frequency m pm HZ OUTPUT m Ha Hm oe Indicates current feeding power Indicates energy generated today Indicates total energy generated so far Indicates that the warning occurs Indicates that the fault occurs Indicates fault code in fault mode or WR for warning situation 13 Indicates PV module status Each ss indicates 150VDC When input voltage is below 100VDC ss icon will flash When PV module is not connected LJ icon will flash Indicates grid 9 3 Operation Button The INFORMATION SELECT button controls LCD settings and has three functions Function Operation Description changes decrease value seconds confirmed seconds value entry in query menu
13. nd energized when a ground fault is indicated WARNING This inverter is heavy It should be lifted by at least two persons AG CAUTION Authorized service personnel should reduce the risk of electrical shock by disconnecting both the AC and DC power from the inverter before attempting any maintenance or cleaning or working on any circuits connected to the inverter Turning off controls will not reduce this risk Internal capacitors can remain charged for 5 minutes after disconnecting all sources of power CAUTION Do not disassemble this inverter yourself It contains no user serviceable parts Attempt to service this inverter yourself may cause a risk of electrical shock or fire and will void the warranty from the manufacturer CAUTION To avoid a risk of fire and electric shock make sure that existing wiring is in good condition and that the wire is not undersized Do not operate the Inverter with damaged or substandard wiring CAUTION Under high temperature environment heat sink of this inverter could be hot enough to cause skin burns if accidentally touched Ensure that this inverter is away from normal traffic areas CAUTION Use only recommended accessories from installer Otherwise not qualified tools may cause a risk of fire electric shock or injury to persons CAUTION To reduce risk of fire hazard do not cover or obstruct the heat sink CAUTION Do not operate the Inverter if it has received a sharp blow been dropped
14. oftware in your PC personal computer For the details of monitoring software please check with the installer Step 4 Initial your monitoring software and extract data through communication port After completing data acquisition please put the communication port back to the unit 11 8 Commissioning Step 1 Check the following requirements before commissioning 8 Ensure the inverter is firmed secured Check if the open circuit DC voltage of PV module meets requirement Refer to Section 6 Check if the open circuit utility voltage of the utility is at approximately same to the nominal expected value from local utility company Correct connection to grid Full connection to PV modules Unused DC input connectors are sealed with supplied sealing plugs AC circuit breaker and DC circuit breaker are installed correctly Step 2 After switching on the DC circuit breakers it will display No Utility in the LCD screen Then switch on the AC circuit breakers After 60 seconds the system will automatically connect to the grid Then If inverter icon is in the LCD display like below commissioning has been successfully icon flashes the grid voltage or frequency is beyond acceptable range and the inverter is in standby mode Wait for grid voltage or frequency to return to acceptable range Orif icon flashes there has been an error Please check chapter 10 for trouble shooting If the problem still resists please infor
15. or otherwise damaged in any way If the Inverter is damaged called for an RMA Return Material Authorization 3 Unpacking amp Overview 3 1 Packing List Before installation please inspect the unit Be sure that nothing inside the package is damaged You should have received the following items inside of package Inverter unit PV connectors AC connector Mounting Software CD Manual USB cable plate 3 2 Product Overview 1 LCD display panel Please check section 8 for detailed LCD operation 2 Operation button 3 Connectors for solar modules 4 Intelligent slot with USB communication port 5 AC output terminal 4 Installation 4 1 Selecting Mounting Location Consider the following points before selecting where to install Do not mount the inverter on flammable construction materials 6 Mount on a solid surface Although the unit is fitted with UV resistant components direct exposure to sunlight may cause a power reduction due to excessive heating This inverter can make noises during operation which may be perceived as a nuisance in a living area Install this inverter at eye level in order to allow the LCD display to be read at all times For proper air circulation to dissipate heat allow a clearance of approx 20 cm to the side and approx 50 cm above and below the unit Dusty conditions on the unit may impair the performance of this inverter The ambient temperature should be between 2
16. screw Step 7 Connect wires according to polarities indicated on AC output terminal on the inverter and tighten the screws after connection L LINE brown or black 7 G Ground yellow green N Neutral blue Step 8 Twist the gland so that the cable is firmly connected CAUTION To prevent risk of electric shock ensure the ground wire is properly earthed before operating the solar inverter 6 PV Module DC Connection CAUTION Before connecting to PV modules please install separately a 2P DC circuit breakers between inverter and PV modules NOTE Please use 600VDC 15A circuit breaker Please follow below steps to implement PV module connection WARNING This inverter is only compatible to two types of PV modules single crystalline and poly crystalline To avoid any malfunction do not connect any PV modules with possibility of leakage current to the inverter Step 1 Assemble provided PV connectors into PV modules by following below steps Cable preparation and stripping process Strip cable 0 276 inches 7 0 mm and be careful NOT to nick Cable conductors Amphenol specified strip tool can be used in this step Adjust the striper stopper and put the cable in corresponding notch 0 276 inches 7mm to strip the length of 7mm See below picture 1 and 2 Picture 1 Picture 2 Insert striped cable into contact barrel and ensure all conductor strands are captured in the contact barrel See below pictures 3 and
17. the icon will flash as a reminder See below for fault codes for reference Situation Fault Icon Solution Over voltage on Bus Disconnect AC circuit breaker Under voltage on Bus first Then disconnect DC Time out for Bus soft start circuit breaker Time out for Inverter soft Until LCD screen completely start shuts down turn on DC Cm 2 a 5 Inverter over current amma breaker first It will show No an w w EEE 2 3 4 5 7 Relay fault Utility in LCD screen Then Output current sensor turn on AC breaker After 60 failure seconds the system will automatically connect to the DC input over current grid inverter De aumen over If the error message still 1 10 11 14 16 remains please contact your 16 GFCI sensor failure ERROR ea P Y installer Over temperature The internal temperature is higher than specified temperature Leave inverter to be cooled to room temperature If the error message still remains please contact your installer 17 an Ten Fault Icon D voltage on PV module PV insulation failure GFCI failure 18 Solution Check if the open circuit voltage of PV modules is higher than 450VDC for 1 5KW or 500VDC for 2KW If PV open circuit voltage is less than 450VDC for 1 5KW or 500VDC for 2KW and the error message remains pelase contact your installer The ground voltage is too high Please disconnect AC breaker first and then DC breaker Check if
18. the maximum input voltage can destroy the unit Check the system before wire connection Step 3 Disconnect the circuit breaker Step 4 Check correct polarity of connection cable from PV modules and PV input connectors Then connect positive pole of connection cable to positive pole of PV input connector Connect negative pole of connection cable to negative pole of PV input connector WARNING It s very important for system safety and efficient operation to use appropriate cable for grid connection To reduce risk of injury please use the proper recommended cable size as below Suggested cable requirement for DC wire Model Conductor cross section AWGno Temperature Diameter mm mm 125 C CAUTION Never directly touch terminals of the inverter It will cause lethal electric shock 10 7 Communication This inverter is equipped with a slot for communication interfaces in order to communicate with a PC personal computer with corresponding software Follow below procedure to connect communication wiring and install the software Step 1 Take out communication cover by removing 4 screws Step 2 There are two kinds of ports available RS 232 and USB You may use supplied USB cable to connect USB port of this inverter and your PC personal computer Or you may use one network cable RJ 45 to connect RS 232 port of this inverter and your PC personal computer Step 3 Install monitoring s
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