SOLARMG SG-3KWHB Installation And Operation Manual
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SOLARMG SG-3KWHB Installation And Operation Manual

Hybrid inverter
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Hybrid Inverter
Installation and Operation Manual
SOLARMG S.R.L
+39-055-9110077
support@solarmg.it
Via Enrico De Nicola, 952025 Montevarchi AR Italy

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  • Page 1 Hybrid Inverter Installation and Operation Manual SOLARMG S.R.L +39-055-9110077 support@solarmg.it Via Enrico De Nicola, 952025 Montevarchi AR Italy...

  • Page 2: Table Of Contents

    Contents Contents 1. About This Manual ..... . 1.1 Scope of Validity ......1.2 Target Group .
  • Page 3 Contents 5. Operation ......5.1 Control Panel ....... 5.2 Menu Overview .

  • Page 4: About This Manual

    This manual mainly describes the product information, guidelines for installation, operation, maintenance and troubleshooting. And this manual applies to Single Phase Hybrid Inverter. SG-3KWHB Please keep this manual available all the time in case of any emergency. 1.2 Target Group This manual is for qualified personnel.

  • Page 5: Explanations Of Symbols

    2.2 Explanations of Symbols The inverter strictly comply with relevant safety standards. Please read and follow all the instructions and cautions during installation, operation and maintenance. Danger of electric shock The inverter contains fatal DC and AC power. All work on the inverter must be carried out by qualified personnel only.

  • Page 6: Introduction

    3. Introduction 3.1 Basic Instruction The SG-HB series hybrid inverters are designed to increase energy independence for homeowners. Energy management is based on time-of-use and demand charge rate structures, significantly reduce the amount of energy purchased from the public grid and optimize self-consumption. Hybrid Inverter PV Array Meter...

  • Page 7: Chgfst

    Energy flow: PV → Load → Battery → Grid Note: Advance Setting When select 0 W under P_Feed menu, the inverter will export zero energy to the grid. When select xx W under P_Feed menu, the inverter will export customized energy to the grid.

  • Page 8: Maintain

    3.2.4 Maintain The Maintain mode is suitable for situations where the battery capacity is small, and the battery is charged and discharged at the specified power. Warning: Energy flow: The Maintain mode is only PV → Load → Grid → Battery available for some inverter.

  • Page 9: Extems

    3.2.6 ExtEms ExtEms mode requires customized external control accessories that can remotely control the operation of the inverter. It is not recommended to use it without professional personnel. 3.2.7 PeakShave In PeakShave mode, the charging and discharging of the battery are controlled by setting the AC power to reduce the peak load of the power grid.
  • Page 10 A. Charge Setting PV Charge Mode 4 periods of time charge setting. Energy flow: PV → Battery → Load → Grid AC Charging 4 periods of time charge setting. Energy flow: PV and Grid → Battery → Load Note: The elect AC charge, the AC will also charge the battery when the PV is low or no PV.
  • Page 11 B. Forced Discharging 4 periods of time discharge setting Energy flow: Battery and PV → Load → Grid C. Forbidden Discharge 4 periods of time discharge setting, the battery will be charged firstly. Energy flow: PV → Battery → Load → Grid...

  • Page 12: Installation

    4. Installation 4.1 Pre-installation 4.1.1 Unpacking & Package List Unpacking On receiving the inverter, please check to make sure the packing and all components are not missing or damaged. Please contact your dealer directly for supports if there is any damage or missing components. Package List Open the package, please check the packing list shown as below.

  • Page 13: Product Overview

    No. Qty Items No. Qty Items Hybrid Inverter Battery Connector Certificate Of Inspection Monitor Module Quick Installation Instructions DC Connector Warranty Card Mounting Bracket Screw Monitoring Quick Installation Instructions Plastic Expansion Tube Smart Meter (Opitional) Battery wire AC Waterproof Cover Security Screw Meter Conncetors Communication T568B...

  • Page 14: Mounting Location

    Inverter Terminals Items Items DC Switch CT/Meter Communication Port DC Connectors ( + ) For PV Strings BAT Communication Port DC Connectors ( − ) For PV Strings AC Port & EPS Port Battery Port Monitor Module Port Generator Communication Port 4.1.3 Mounting Location The inverters are designed for indoor and outdoor installation (IP65), to increase the safety, performance and lifespan of the inverter, please select the mounting...
  • Page 15 The inverter should be installed vertically on the wall, or lean back on plane with a limited tilted angle. Please refer to below picture. <15° >0° Leave the enough space around inverter, easy for accessing to the inverter, connection points and maintenance. 300mm 300mm 300mm...

  • Page 16: Mounting

    4.2 Mounting Step 1 219mm 17mm 264mm Step 2 Step 3 Security screw...

  • Page 17: Electrical Connection

    4.3 Electrical Connection Grid PV Array Load PV Array Smart Load Cri�cal Load Smart meter Communication Adapter pin assignment COM1 COM2 COM3 +3_3V CT-U SGND DRM1/5 RS485-A DRM2/6 CT-N 485-A2 DRM3/7 RS485-B CANH_BAT1 DRM4/8 CANL_BAT1 12345678 DRM0 485-B2 SELV12 BAT-485-A RPSD BAT-485-B Note:...

  • Page 18: Pv Connection

    4.3.1 PV Connec�on The hybrid inverter has one/two MPPT channels, can be connected with one/two strings of PV panels. Please make sure below requirements are followed before connecting PV panels and strings to the inverter: • The open-circuit voltage and short-circuit current of PV string should not exceed the reasonable range of the inverters.

  • Page 19: Battery Connection

    Step 2 Note: Please use PV connector crimper to pinch the point of the arrow. Note: You’ll hear click sound when the connector assembly is correct. Step 3 4.3.2 Ba�ery Connec�on The hybrid inverters are compatible with lithium battery. For lead acid battery or batteries with other brands, please confirm with local distributor or for technical support.
  • Page 20 Step 1 Rotate counterclockwise and remove mounting bracket screw nut. Step 2 Pass the battery wire with the correct polarity through the nut and installation bracket. Note: Battery cable suggestion Cross - section 4 AWG Please make sure the battery polarities are correct.
  • Page 21 Step 3 Insert the battery wire into the corresponding terminal and lock it with a hexagon wrench. Step 4 Insert the battery connector into the inverter, if hear a “click”, it means the battery connection is finished.

  • Page 22: Bat-Can/Rs485

    4.3.2.1 BAT-CAN/RS485 12345678 T568B Assignment CANH_BAT1 CANL_BAT1 P i n 87 65 43 2 1 P i n 12 3 4 54 6 7 8 CAN-485 CAN/RS485 Lithium 12345678 T568B Assignment BAT-485-A BAT-485-B P i n 87 65 43 2 1 Pi n 1 2 34 5 4 6 78 BAT-485 CAN/RS485...

  • Page 23: Multi Inverter Parallel

    4.3.3 Mul� Inverter Parallel Smart Load Cri�cal Load 12345678 Grid Meter RJ45 Plug Assignment Load 485-A2 485-B2 Smart Load Cri�cal Load 12345678 RJ45 Plug Assignment 485-A2 485A 485B 485-B2 Smart Load Cri�cal Load 12345678 RJ45 Plug Assignment 485-A2 485-B2 Note: The meter only communicates with the host and does not communicate with the machine.

  • Page 24: Ac Connection

    4.3.4 AC Connec�on The AC terminal contains “GRID” and “EPS”, GRID for load, and EPS for emergency load. Before connecting, a separate AC breaker between individual inverter and AC input power is necessary. This will ensure the inverter be securely disconnected during maintenance and fully protected from current of AC input.
  • Page 25 Note: The wiring terminals should be wrapped with insulation tape, otherwise it will cause a short circuit and damage the inverter. Note: The Max. power load connects to EPS port should not exceed the inverter's EPS Max. output power range. Step 2 EPSL EPSN...

  • Page 26: Ct Or Meter Connection

    4.3.5 CT or Meter Connec�on Meter and a current sensor(CT for short below) are used to detect current power direction of the local load and the grid. The output control function of the inverters will be activated based on the detected data. Meter Install the CT Main...
  • Page 27 Install the Meter Inverter Meter Main Breaker Grid Load Grid 1 2 3 4 5 6 7 8 Assignment 485 A 485 B...

  • Page 28: Communication Connection

    4.4 Communication Connection The monitoring module could transmit the data to the cloud server, and display the data on the PC, tablet and smart-phone. Install the WIFI / Ethernet / GPRS / RS485 Communication WIFI / Ethernet / GPRS / RS485 communication is applicable to the inverter. Please refer to "Communication Configuration Instruction"...
  • Page 29 Step 2 Wifi/GPRS Turn on the DC switch and AC circuit breaker, and wait until the LED indicator on the monitoring module flashes, indicating that the monitoring module is successfully connected.

  • Page 30: Operation

    5. Operation 5.1 Control Panel ○ ○ ○ ○ ○ ○ ○ ○ Items Items LCD Display UP Touch Button POWER LED Indicator DOWN Touch Button GRID LED Indicator BACK Touch Button ENTER Touch Button FAULT LED Indicator Note: Hold UP/DOWN button can be rolling quickly. Sign Power Color...

  • Page 31: Menu Overview

    5.2 Menu Overview Hybrid inverter has a LCD for clearly operating, and menu of the LCD can be presented as following: PV Info Bat Info Inv Info Run Info Grid Info Safty Load Info Model EPS Info Prated Err Record Temp Info Vrated Run Record...

  • Page 32: Time & Date

    5.3.1 Time & Date Sys Param System parameters setting Date &Time Date YYYY-MM-DD Time 24:00:00 5.3.2 Safety Sys Param System parameters setting Safty Safety Specifications Com-50Hz Com-60Hz China Japan-50 Japan-60 Note: US_240S Select the safty according to the US_240D requirements of the installation site. US_208S US_208D Australia...

  • Page 33: Lithium Battery

    5.3.3 Lithium Battery Operating parameters setting Run Param 5 4 3 2 * * * * Bat Param Lithium Auto Match 1.Automatically identify the connected battery 2. Designated battery brand Sel Lith Brand Lithium Aoboet ApoLLo Note: Sel Lith Brand CALB When using batteries, Dyness...

  • Page 34: Lead Acid

    5.3.5 Lead Acid Operating parameters setting Run Param 5 4 3 2 * * * * Bat Param LeadAcid 1.Professional personnel are required Brand: COMMON/SACRED to choose a battery brand. Capacity： 0-1000Ah 2.Capacity range RComp: 0.0-5000.0mΩ 3.Resistance compensation TComp: 0.0-±500.0mV 4.temperature compensation VChgMax：...

  • Page 35: Timing Of Use

    5.3.7 Time of Use Operating parameters setting Run Param 5 4 3 2 * * * * Energy management EMS Param system parameters setting Chg/DChg Chg Cmd Charge / discharge. Stop Charge / discharge power Chg Pwr PChg： range -10000W~10000W. Chg Range Battery charge / discharge setting.

  • Page 36: Ac Charging

    5.3.8 AC Charging Run Param Operating parameters setting 5 4 3 2 * * * * Energy management EMS Param system parameters setting AC Chg AC charging ACChg: 1. ACChg — AC charging enable. MaxP%: 00.0% 2. MaxP% — AC charging Percentage. MaxSoc: 00.0% 3.

  • Page 37: Forced Discharging

    Force Chg Forced charging ForceChg: PForce: 000.0% 1. ForceChg — Force charging enable. MaxSoc: 000.0% 2. PForce — Forced charging power percentage. TimOn1: 00:00 3. MaxSoc — Forced charging Max Soc. TinOff1: 00:00 4. TimOn1 — Forced charging start time 1. TimOn2 : 00:00 5.

  • Page 38: Protection Parameters

    5.3.11 Protection Parameters Operating parameters setting Prot Param 5 4 3 2 * * * * VH1： 100.0-400.0V 0.00-300.00S 1.Voltage upper limit VH： 100.0-400.0V OverVoltProt 2.Voltage upper limit time 0.00-300.00S VH10minEN: VH10min: 100.0-400.0V VL1： 50.0-300.0V 1.Voltage lower limit 0.00-300.00S UnderVoltProt VL2：...

  • Page 39: Multi-Machine In Parallel

    5.3.12 Multi-machine in Parallel Communication parameters setting Com Param ComPar Parallel 1. Address ComPar Parallel Addr 1-150 2. Band rate Baud 9600-115200 P Enable 1. Parallel enable 1. Inverter parallel amount InvAmount 1-255 2. Master / Slave Master/Slave 3. Address of slave Addr 1-254 4.

  • Page 40: Power On/Off

    Diese1GenEn 1. Diese1GenEn — Diesel generator enable. TimeCtr1En 2. TimeCtr1En — Time control enable. StartSoc 0.0-100.0% 3. StarSoc — Battery power percentage when EndSoc 0.0-100.0% diesel generator start charging the battery. TimeDelay 0-1000S 4. EndSoc — Battery power percentage when TimOn1 00:00 diesel generator stop charging the battery.

  • Page 41: Power On

    6.1 Power ON • Turn on DC switch. • After LCD lighting, hybrid inverter should be set following Chapter 5.3 at the first time. • When inverter running under normal mode, Running indicator will light up(Ref. to Chapter 5.1). 6.2 Power OFF •...
  • Page 42 Fault Code and Trouble Shooting Type of Fault Code Name Description Recommend Solution • Check PV modules connection PV connection type PvConnectFault • Check PV Mode setup Ref. different from setup Chapter 5.3. • Check PV modules wires, those wires are soaked or damaged, and then carry ISO check among PV out rectification.
  • Page 43 Type of Fault Code Name Description Recommend Solution PV7ReverseFault PV8ReverseFault PV9ReverseFault PV10ReverseFault PV11ReverseFault PV12ReverseFault Pv1AbnormalFault Pv2AbnormalFault Pv3AbnormalFault Pv4AbnormalFault Pv5AbnormalFault Pv6AbnormalFault Pv7AbnormalFault Pv8AbnormalFault PV Fault Pv9AbnormalFault Pv10AbnormalFault • Check PV modules partial occlusion or Pv11AbnormalFault cells damaged. PV(+) and PV(-) reversed •...
  • Page 44 Type of Fault Code Name Description Recommend Solution • Check inverters connected battery lines PcsBatOverVoltFault and connectors broken or loose connect. • Carry out rectification if broken or Battery voltage over or PcsBatUnderVoltFault loose. under • Checking battery voltage is abnormal or not, then maintenance or change new PcsBatInsOverVoltFaul battery.
  • Page 45 Type of Fault Code Name Description Recommend Solution BatPreChaFault BmsBatChgMosFault BmsBatDChgMosFault BMSVolOVFault BMSVolLFault VolLockOpenFault VolLockShortFault ChgRefOVFault • Inverter will restart automatically when the grid return to normal. GridLossFault Grid lost (islanding) • Check inverter connected with grid connectors and cable normal or not. •...
  • Page 46 Type of Fault Code Name Description Recommend Solution • Reduce loads. • If sometimes overload, it can be ignored, when generation power enough UpsOverPowerFault 0ff-grid load over can be recovery. • If those faults occurs continuously and frequently, please ask help for local distributors.
  • Page 47 Type of Fault Code Name Description Recommend Solution Pv9SwOverCurrFault Pv10SwOverCurrFault Pv11SwOverCurrFault Pv12SwOverCurrFault Boost1SelfCheck(boost)Fault Boost2SelfCheck(boost)Fault Boost3SelfCheck(boost)Fault Boost4SelfCheck(boost)Fault Boost5SelfCheck(boost)Fault • Power off, then restart (Ref. Chapter8). PV boost circuit abnormal Boost6SelfCheck(boost)Fault • If those faults continuously and when self checking frequently, please ask help for local Boost7SelfCheck(boost)Fault distributors.
  • Page 48 Type of Fault Code Name Description Recommend Solution • Change fuse. BDCFuseFault BiDC fuse broken • Power off, then restart (Ref. Chapter8). • If those faults continuously and BDCRelayFault BiDC relay abnormal frequently, please ask help for local distributors. All over current/ voltage by HwOverFault protection hardware Ac over current by protection...
  • Page 49 Type of Fault Code Name Description Recommend Solution UpsOverVoltFault Off-grid output voltage over or under UpsUnderVoltFault • Power off, then restart (Ref. Chapter8). • If those faults occurs continuously and UpsOverFreqFault AC Fault Off-grid output frequency frequently, please ask help for local over or under distributors.
  • Page 50 Type of Fault Code Name Description Recommend Solution UpsSCurAdChanFault UpsTCurAdChanFault GenRCurAdChanFault GenSCurAdChanFault GenTCurAdChanFault UpsRDcvAdChanFault UpsSDcvAdChanFault UpsTDcvAdChanFault All temperature sensors TempAdChanFault abnormal The sample value of PV, VoltAdConflictFault battery and BUS voltage • Power off, then restart (Ref. Chapter8). inconsistent • If those faults occurs continuously and frequently, please ask help for local The sample value between distributors.
  • Page 51 Type of Fault Code Name Description Recommend Solution EnvirTempAdChan- Warning • The warnings are not matter influence. • Power off, then restart (Ref. Chapter8). Some temperature sensors CoolingTempAdChan- • If those faults occurs continuously and abnormal Warning frequently, please ask help for local distributors.

  • Page 52: Specifications

    8. Specifications SG-3KWHB PV Input Max. Input Power (kW) Max. PV Voltage (V) MPPT Range (V) 80 - 500 Full MPPT Range (V) 170 - 500 Normal Voltage (V) Startup Voltage (V) Max. Input Current (A) 18.5 x 1 Max. Short Current (A) 26 x 1 No.

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