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CHINT NOARK Ex9N-H-15KT Installation And Operation Manual

Hybrid inverter
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Installation and Operation Manual
Hybrid Inverter
Ex9N-H-(15~30)KT

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Summary of Contents for CHINT NOARK Ex9N-H-15KT

  • Page 1 Installation and Operation Manual Hybrid Inverter Ex9N-H-(15~30)KT...
  • Page 2 1. About This Manual ....................4 1.1 Scope of Validity ....................4 1.2 Target Group ....................4 2. Safety & Symbols ...................... 4 2.1 Safety Precautions .................... 4 2.2 Explanations of Symbols ................. 5 3. Introduction ........................ 5 3.1 Basic Instruction ....................5 3.2 Operation Modes ....................
  • Page 3 5.3.6 Energy Management System .............. 34 5.3.7 Time of Use ..................35 5.3.8 AC Charging ..................36 5.3.11 Protection Parameters ............... 38 5.3.12 Multi-machine in Parallel ..............39 5.3.13 Diesel Generator Setting (Diese1 Gen Param) ......... 39 6. Power ON/OFF ......................40 6.1 Power ON.......................
  • Page 4 1. About This Manual 1.1 Scope of Validity This manual mainly describes the product information, guidelines for installation, operation, maintenance and troubleshooting. This manual applies to Noark three-phase hybrid inverter, including:  Ex9N-H-15KT  Ex9N-H-17KT  Ex9N-H-20KT  Ex9N-H-25KT  Ex9N-H-30KT Please keep this manual available all the time in case of any emergency.
  • Page 5 2.2 Explanations of Symbols Noark 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 from the public grid and optimize self-consumption. 3.2 Operation Modes 3.2.1 Self Use (SelfUse) The Self Use mode is for the regions with low feed-in tariff and high electricity prices. The energy produced by the PV system is used to optimize self-consumption needs. The excess energy is used to recharge the batteries;...
  • Page 7 Energy Source Priority: PV ＞ Battery ＞ Grid (Generator) 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. 3.2.2 Charge First (ChgFst) When the grid fails, the system will automatically switch to Charge First mode.
  • Page 8 Energy Source Priority: PV ＞ Battery 3.2.3 Selling First (SellFst) The SellFst mode is suitable for the regions with high feed-in tariff. Solar Energy priority: Load ＞ Grid ＞ Battery...
  • Page 9 Energy Source Priority: PV ＞ Battery ＞ Grid (Generator) 3.2.4 Maintain The Maintain mode is suitable for situation where the battery capacity is small, and the battery is charged and discharged at the specific power Energy Flow: PVLoadGridBattery 3.2.5 Command Charger (cmdChg) In cmdChg mode, within the battery power range, the battery is charged and discharged at the specified power.
  • Page 10 Energy Flow: Discharge: Battery and PV  Load  Grid Charge: Ppv≥Pcharge Set: PV  Battery  Load Grid Ppv≥Pcharge Set: PV +Grid  Battery Load 3.2.6 External EMS (ExtEms) External EMS mode requires customized external control accessories that can remotely control the operation of the inverter.
  • Page 11 Grid Power≥P_Back: Battery and PV  Load Grid Power＜P_Back: Grid and PVBattery 3.2.8 Time of Use The Time of Use mode is designed to reward customers who do their part to reduce demand on the electric grid, particularly during peak usage periods. You could significantly lower your monthly bill.
  • Page 12 Note: After select AC charge, the AC will also charge the battery when the PV is low or no B. Forced Discharge 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.
  • Page 13 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 and check the packing list shown as below.
  • Page 14 4.1.2 Product Overview Inverter Terminals DC Switch Back up port Waterproof ventilating Valve Battery communication port PV connectors (+) Grid port PV connectors (-) Meter communication port Battery Port WiFi Dongle port...
  • Page 15 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 location carefully based on the following rules: The inverter should be installed on a solid surface, far from flammable or corrosion materials, where is suitable for inverter’s weight and dimensions.
  • Page 16 Leave the enough space around inverter, easy for accessing to the inverter, connection points and maintenance. 4.2 Mounting Step 1 Step 2...
  • Page 17 Step 3...
  • Page 18 4.3 Electrical Connection 4.3.1 PV Connection The Ex9N-H-KT series hybrid inverter has 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: ...
  • Page 19 Step 1 Note: PV cable suggestion: Cross-section 4mm². Step 2 Note: Please use PV connector crimper to pinch the point of the arrow. You’ll hear click sound when the connector assembly is correct. 4.3.2 Battery Connection Ex9N-H-KT series hybrid inverters are compatible with lithium battery. For lead acid battery or batteries with other brands, please confirm with local distributor or Noark for technical support.
  • Page 20 Note: Battery cable suggestion cross section 6-8AWAG, Please make sure the battery polarities are correct. Step 2 Pass the crimped battery harness through the waterproof connector and the cover. Step 3 Insert the wire harness into the terminals according to “+” and “-” polarity, make the insulated terminals parallel with the terminals, the crimping screw torque is 2.0±...
  • Page 21 Step 4 Assemble the connector and terminal, there will be a “click” if the assembly is correct. Step 5 Use an open-end wrench to tighten the waterproof lock. Step 6 Insert the battery connector into the inverter. A “click” sound will be heard when the connecting is completed.
  • Page 22 Step 7 Connect Battery communication cable with Inverter. 4.3.3 AC Connection The AC terminal contains “GRID” and “BACK-UP”, GRID for load, and BACK-UP 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 23 An extra AC breaker is needed for On-Grid connection to be isolated from grid when necessary. Below are requirements for the On-Grid AC-breaker  AC breaker: 125A/230V/400V Note: Qualified electrician will be required for the wiring. Cable (mm²) Wire Size Torque Value 8-10AWG 1.2 N.m...
  • Page 24 Step 3 Insert the connector into the inverter, if hear a “click”, it means the connection is finished. 4.3.4 CT or Meter Connection 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.
  • Page 25 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.
  • Page 26 4.4.1 Install the Datalogger WIFI / Ethernet / GPRS / RS485 communication logger is applicable to the inverter. Please refer to "Communication Configuration Instruction" for detailed instruction. Step 1 Connect the logger with the communication port. Step 2 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 27 Step 1 Note: Earth cable suggestion: Cross-section (copper) 4-6mm²/10AWG Step 2 Fix the grounding screw to the grounding point on the machine back cover. Note: Make sure the earth cables on the inverter and solar panel frame are separately. 4.6 Multi Inverter Parallel...
  • Page 29 5. Operation 5.1 Control Panel LCD Display Up touch button Power LED Indicator Down touch button Grid LED Indicator Back touch button Fault LED Indicator Enter touch button Note: Hold up/down button can roll menu quickly. Sign Status Color Description POWER GREEN Inverter stand-by...
  • Page 30 5.3 Inverter Setting The setting is for Ex9N-H-KT hybrid inverter. Any doubts, please contact distributor for more details.
  • Page 31 5.3.1 Time & Date 5.3.2 Safety...
  • Page 32 5.3.3 Lithium Battery...
  • Page 33 5.3.4 PV Mode 5.4.5 Lead Acid Battery...
  • Page 34 5.3.6 Energy Management System Note: For detailed introduction of each mode, please refer to chapter 3.2 of the user manual.
  • Page 35 5.3.7 Time of Use Note: Timed charge and discharge need to complete three settings of “Chg Cmd”, “Chg Pwr” and “Chg Range”, otherwise it will not work properly.
  • Page 36 5.3.8 AC Charging 5.3.9 Forced Charging...
  • Page 37 5.3.10 Forced Discharging...
  • Page 38 5.3.11 Protection Parameters Note: When modifying parameters, you need to pay attention to the unit.
  • Page 39 5.3.12 Multi-machine in Parallel 5.3.13 Diesel Generator Setting (Diese1 Gen Param)
  • Page 40 Note: Diesel generator enable and time control enabled must be on, otherwise the diesel generator can not be started. 6. Power ON/OFF Please check the following requirements before testing:  Installation location is suitable according to Chapter 4.1.3.  All electrical wires are connected tightly, including PV modules, battery and AC side (Such as the grid side, EPS side, Gen side).
  • Page 41 6.3 Restart Restart Hybrid inverter, please follow steps as below:  Shutdown the inverter Ref. to Chapter 6.2.  Start the inverter Ref. to Chapter 6.1. 7. Maintenance & Trouble Shooting 7.1 Maintenance Periodically maintenance are necessary, please follow steps as below. ...
  • Page 42 carry out rectification. If the fault occurs continuously and  frequently, please ask help for local distributors. Pv1OverVoltFault Pv2OverVoltFault Pv3OverVoltFaul Pv4OverVoltFault Reduce the number of PV modules Pv5OverVoltFault connected in series in the PV string until the Pv6OverVoltFault PV string open circuit voltage is not greater PV Voltage over Pv7OverVoltFault than the maximum operating voltage of the...
  • Page 43 Pv16AbnormalFault Pv17AbnormalFault Pv18AbnormalFault Pv19AbnormalFault Pv20AbnormalFault Pv21AbnormalFault Pv22AbnormalFault Pv23AbnormalFault Pv24AbnormalFault 7.2.2 Battery Fault Code Name Description Recommended solution PcsBatOverVoltFault Check whether connection between  PcsBatUnderVoltFault inverter and battery is ok or not. Battery voltage over Check whether connectors between  or under inverter and battery is loosed or not.
  • Page 44 CelTemperatureOverFault CelTemperatureUnderFault BatIsoFault BatSocLowFault BmsInterComFault BatRelayFault BatPreChaFault BmsBatChgMosFault BmsBatDChgMosFault BMSVolOVFault BMSVolLFault VolLockOpenFault VolLockShortFault ChgRefOVFault 7.2.3 Grid Fault Code Name Description Recommended Solution Inverter will restart automatically when  Grid lost the grid return to normal. GridLossFault (islanding) Check whether the AC circuit is ...
  • Page 45 10 Minutes Grid voltage GridOverVoltFault over Grid voltage GridUnderVoltFault under The inverter will restart automatically when Grid line GridLineOverVoltFault the grid three phase return to normal. voltage over Grid line GridLineUnderVoltFault voltage under Grid GridOverFreqFault Frequency over The inverter will restart automatically when Grid the grid three phase return to normal.
  • Page 46 Pv6HwOverCurrFault circuit Pv7HwOverCurrFault Pv8HwOverCurrFault Pv9HwOverCurrFault Pv10HwOverCurrFault Pv11HwOverCurrFault Pv12HwOverCurrFault Pv1SwOverCurrFault Pv2SwOverCurrFault Pv3SwOverCurrFault Pv4SwOverCurrFault Pv5SwOverCurrFault PV overcurrent Power off the inverter, then restart.  Pv6SwOverCurrFault over, triggered If those faults occurs continuously and  by Software Pv7SwOverCurrFault frequently, please ask help for local setting.
  • Page 47 abnormal when self- checking BDCHwOverCurrFault BiDC current over BDCSwOverCurrFault BiDC BDCSelfCheckFault abnormal as Power off the inverter, then restart.  self checking If those faults continuously and  BiDC voltage frequently, please contact installer. BDCSwOverVoltFault over BiDC current TransHwOverCurrFault over BiDC fuse BDCFuseFault Change fuse.
  • Page 48 7.2.6 AC Fault...
  • Page 49 7.2.7 System Fault...
  • Page 50 7.2.8 Inner Warning...
  • Page 51 7.2.9 Outside Warning...
  • Page 52 8. Specifications Ex9N-H- Ex9N-H- Ex9N-H- Ex9N-H- Ex9N-H- 15KT 17KT 20KT 25KT 30KT PV Input Max. DC Input 22.5kW 25.5kW 30kW 37.5kW 45kW Power Max. PV Voltage 1000V Rated DC Input 620V Voltage DC Input Voltage 150-1000V Range MPPT Voltage 150-850V Range Full MPPT Range 500-850V...
  • Page 53 Nominal AC voltage 230/400 (3L/N/PE) Nominal AC 50/60Hz Frequency Power Factor 1(-0.8~+0.8) Current THD ＜3% AC Load Output (Backup) Nominal Output 15kVA 17kVA 20kVA 25kVA 30kVA Power Nominal Output 230/400 (3L/N/PE) Voltage Nominal Output 50/60Hz Frequency Nominal Output 21.8A 24.8A 36.3A 43.5A Current...
  • Page 54 Dimensions 558*535*260mm (HxWxD) Weight 29kg 29kg 29kg 36kg 36kg Topology Transformerless Cooling Concept Intelligent Fan Relatively Humidity 0-100% -25~60℃ Operating Temperature Range Operating Altitude ＜4000m Noise Emission ＜40dB Standby ＜5W Consumption Display & LCD, LED, RS485, CAN, WiFi/GPRS/4G Communication Interfaces Certification &...

This manual is also suitable for:

Noark ex9n-h-17ktNoark ex9n-h-20ktNoark ex9n-h-25ktNoark ex9n-h-30kt