Delta H9E Operation And Installation Manual

Grid-tie transformerless hybrid inverter

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Grid-tie Transformerless Hybrid Inverter
H9E
Operation and Installation Manual
www.deltaww.com

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Summary of Contents for Delta H9E

  • Page 1 Grid-tie Transformerless Hybrid Inverter Operation and Installation Manual www.deltaww.com...
  • Page 3: Table Of Contents

    Contents ........1 General Information ........ ...
  • Page 4 ........37 7 System application ......8 Turning the PV inverter on/off .
  • Page 5: 1 General Information

    1 General Information 1.1 Scope of delivery Congratulations on the purchase of your Delta H9E grid-tied hybrid inverter.This manual will assist you in becoming familiar with this product. Please observe all safety regulations and take into account the connection requirements by your local grid utility.
  • Page 6: Validity

    Failure to comply with the instructions in this manual may void the warranty. 1.3 Validity This user manual describes the installation process, maintenance, technical data and safety instructions of H8E/H10E under the DELTA brand. 1.4 Product Description This device is a single-phase grid-tie hybrid inverter. It converts DC electricity from the PV array with the stored energy into single phase AC to supply power to the load and feed the excess generated power back to the local grid.
  • Page 7 (optional) (optional) Figure 1-1 : System diagram H9E supports operating under both grid-interactive mode and off-grid (stand- alone) mode. Only the manufacturer’s authorized representatives can get software tools via a single use password supplied by the manufacturer to change the operating mode before commissioning. The unit can’t auto transfer Grid-interactive mode to Stand-alone mode.
  • Page 8: 2 Installation And Wiring

    Installation and Wiring 2 Package Inspection 2.1 Instruction before Installation Due to the variety of users and installation environments, you must read this manual thoroughly before installation. Installation of the unit and start-up procedures must be carried out by an accredited technician. 2.2 Unpacking Unpacking process is shown as Figure 2-1.
  • Page 9: Package Inspection

    To mount the solar inverter securely on the wall. ④ Antenna For Wi-Fi communication Power meter is necessary function for H9E to meet the requirements of AS 4777. The length of current sensor cable is available at 10m or 30m.The Meter needs to be purchased separately ①...
  • Page 10: Identification Label

    Ambient Temperature: -25 - +65°C Topology of Inverter: Non-isolated IEC 62109-1,-2 AS/NZS 4777.2:2020 5min RPI902H240000 Rev.:XX Date Code:YYWW PIN: PPPP S/N:MMMYYWWRRZZZZ Delta Electronics (Netherlands) B.V. Zandsteen 15, Made in China 2132 MZ Hoofddorp, The Netherlands Figure 2-4 : The identification label...
  • Page 11: 3 Product Overview

    Product Overview 3 Product Overview 3.1 Dimensions unit: mm Figure 3-1 : Dimensions 3.2 Function Introduction The Inverter’s exterior is shown in Figure 3-2. Product label LED indicator M20 COMM. gland Antenna port M25 AC gland M25 Battery gland Reset button M25 DC gland x2 DC switch Figure 3-2 : Inverter exterior objects...
  • Page 12: Led And Button

    Product Overview 3.2.1 LED and Button There are 5 LEDs in the front side of the inverter, from left to right, it is used for indicating status of operation, battery, communication, information and fault. Table 3-1 : LED and Reset button function Color Action Status...
  • Page 13: 4 Installation

    Installation 4 Installation 4.1 Installation Location The inverter can be installed in indoors / outdoors. Only the manufacturer’s authorized representatives can get software tools via a single use password supplied by the manufacturer to change the operating mode before commissioning. The unit can’t auto transfer Grid-interactive mode to Stand-alone mode.
  • Page 14 Installation CAUTION ! • The bracket supplied with the unit is specially designed and should be the only mounting device used for the unit. • It is recommended to install the inverter in a suitable location which offers easy and safe access for service and maintenance. •...
  • Page 15 Installation 90° Figure 4-2 : Correct and incorrect installation illustration Please ensure the spacing requirement to allow for sufficient convective cooling. It is essential to ensure sufficient space for product operation as shown in Figure 4-3. >50.8cm >15.2 >15.2 >100cm Figure 4-3 : Adequate installation gap...
  • Page 16: 5 Wiring

    Wiring 5 Wiring 5.1 Preparation before Wiring 1. Ensure voltage values and polarities are correct. 2. Ensure PV Switch is set to OFF, and BX6.3_DD system is shutdown. 3. When grounding the solar array positive or negative terminal, an isolation transformer is required due to the inverter has no galvanic isolation between the DC-input and AC-output.
  • Page 17: Opening The Wiring Box Cover

    Wiring 5.2 Opening the wiring box cover 1. Place DC Disconnect switch in “OFF” position. Please note the cover cannot be removed when the DC Disconnect switch is in the “ON” position. 2. Remove the 4 cover screws indicated above with a T20 Torx screw driver. 3.
  • Page 18: Ac Grid Connection : L + N + Pe

    Wiring 5.3 AC Grid Connection : L + N + PE WARNING ! Before commencing AC wiring, please ensure all AC circuit breakers are switched off. Power rating Upstream AC circuit breaker 9 kVA Table 5-1: Recommended upstream protection The AC wire connection with the inverter can be used with flexible or rigid copper cable. When calculating the cross section of the cable, consider: ●...
  • Page 19: Dc Connection

    Wiring Installation of the AC Cable Gland ② ③ ① * Cable range: 14 - 18 mm 1. Loosen the front cover ① counterclockwise. 2. Remove the rubber washer ② from the fastening ring ③. 3. Connect the cable with the terminal. 4.
  • Page 20 Wiring DC cables connection The PV compatible wiring gauge is 4mm^2 - 6mm^2, should have an ampacity based on AS/NZS 4777.1, it is recommended to use 90°C(194°F) Connection PV cables according to following: 1. Route the PV wires through the conduit, and strip the wire end to 12mm. 2.
  • Page 21: Battery Connector

    Wiring 5.5 Battery connector The BAT compatible wiring gauge is 4mm^2 - 6mm^2, should have an ampacity based on AS/NZS 4777.1, it is recommended to use 90°C(194°F) Connection PV cables according to following: 1. Route the BAT wires through the conduit, and strip the wire end to 12mm. 2.
  • Page 22: Grounding

    Wiring 5.6 Grounding Six Grounding Electrode Conductors are installed inside the wiring box , they are torx head screw type connectors. The terminals accept solid or stranded copper 6mm^2 - 22mm^2 wire, recommend screw torque is 18 in-lbs (2N-m). A: Grounding B: Additional grounding * Screw torque: 2 N-m...
  • Page 23: Communication Module

    Wiring 5.7 Communication Module The communication module of H9E is shown below. It provides VCC(12V), RS-485, CAN and digital input terminals for various applications. Connect battery BMS communication cable to inverter communication ternimal of CAN-L-DD, CAN-H-DD. Please refer to Chapter 6.3 for the information of digital input.
  • Page 24: Wi-Fi

    Wiring 5.8 Wi-Fi The communication module supports the inverter to communicate with devices (such as smartphones, tablets, etc.) via Wi-Fi (base WPA2-PSK). There is an antenna for Wi-Fi in the package (item 4,Table 2-1), which must be mounted on the plastic carrier as shown below. Reset button Figure 5-10 : Installation of Wi-Fi antenna Reset button...
  • Page 25: 6 Active/Reactive Power Control

    (f ), Delta ULCO H9E inverter will reduce the power output linearly with the increase in frequency until f is reached. When a disturbance results in an increase in frequency that...
  • Page 26: Fixed Reactive Power Mode

    For response to a decrease in frequency, when a disturbance results in a decrease in frequency below the continuous operation range (f ), Delta LLCO H9E inverter will increase the power output linearly with the decrease in frequency until the lower limit frequency range (f ) is reached. When a Pmax...
  • Page 27: Reactive Power Control

    Active/Reactive Power Control 6.2 Reactive Power Control 6.2.1 Fixed Power Factor mode Users can set the power factor from Cap 0.80 to Ind 0.80 (inverter would stop reactive power control if output power is below 25% rated power). This mode is disabled by default. 6.2.2 Fixed Reactive Power mode Once user enables this method, the inverter will deliver reactive power (i.e.
  • Page 28 Active/Reactive Power Control • Australia and New Zealand: The inverter support the demand response mode (DRMs). DRM 0 - Operate the disconnection device. DRM 1 - Do not consume power DRM 2 - Do not consume at more than 50% of rated power DRM 3 - Do not consume at more than 75% of rated power and source reactive power DRM 4 - Increase power consumption (subject to constraints from other active DRMs)
  • Page 29: Power Meter

    Active/Reactive Power Control Figure 6-2 : Digital input on COMM. module 6.4 Power meter Connecting the current sensor in the following steps: 1. Attach a current sensor to the L cables of the main earth leakage circuit breaker, Clamp the current sensor and make sure that the direction is correct. 2.
  • Page 30: Operation Mode

    Active/Reactive Power Control 6.5 Operation Mode The H9E hybrid system has 6 operation modes for users to choose and 2 passive operation modes. Each mode has different behavior between battery, grid, and home load. In some area, the detail behavior of each operation mode may be different due to the local electricity regulations.
  • Page 31: Peak Cut Mode

    Active/Reactive Power Control 6.5.2 Peak cut mode In this mode, the home load will consume the power from the PV inverter in priority. When the home load consume more power than the power generated by the inverter, it will consume the power from the grid. Then, battery will only discharged to the supply the extra load after the power consume from the grid exceeds the “peak cut power”...
  • Page 32: Selling First Mode

    Active/Reactive Power Control 6.5.3 Selling first mode Selling first mode is a standard mode combining with 6 time settings. In this mode, the system is operated in following priority: 1. If users have set the time settings, inverter will change behavior in these time intervals 2.
  • Page 33: Charge First Mode

    Active/Reactive Power Control 6.5.4 Charge first mode In this mode, battery will be charged by PV or grid in priority, after battery is fully charged, the remaining PV power then feed-in to home load and grid. Battery will not be discharged in this mode even there is demand in the home load. Feed-in / Purchase Solar Panel Main...
  • Page 34: Discharge First Mode

    12:00 19:00 24:00 H9E supports operating under both grid-interactive mode and off-grid (stand- alone) mode. The factory default setting mode is grid-interactive mode. Only the manufacturer’s authorized representatives can get software tools via a single use password supplied by the manufacturer to change the operating mode before commissioning.
  • Page 35: Standalone Mode

    Active/Reactive Power Control and LVRT 6.5.6 Standalone mode H9E supports operating under both grid-interactive mode and off-grid (standalone) mode. Only the manufacturer’s authorized representatives can get software tools via a single use password supplied by the manufacturer to change the operating mode before commissioning.
  • Page 36: Balance Mode

    Active/Reactive Power Control and LVRT 6.5.8 Balance mode This operation is passive mode and only applied to H9E+BX6.3_DD+BX6.3_EX system. During the installation, the battery voltage of BX6.3 series might be different. Due to the specifications of the battery module, the system will be switched to this mode automatically to balance the voltage of BX6.3 series.
  • Page 37 System application 7 System application 1. PV only The Delta hybrid inverter can be used purely as an inverter without a battery connected to it. Solar Panel Main Grid Board Wi-Fi Chargeing Refrigerator Light RS-485 Ethernet Home Load MyDeltaSolar Cloud Service (Monitoring)
  • Page 38 System application 2. Hybrid To optimise self-consumption in your PV system, you can use a battery as a storage system. In this system, the inverter can store the excess PV energy and provide energy to the load when the PV power is insufficient. Solar Panel Main Grid...
  • Page 39 Turning the PV inverter on/off 8 Turning the PV inverter on/off WARNING ! The internal temperature may exceed over 70°C while operating. To avoid injury, do not touch the surface of the inverter whilst the unit is in operation. After installation, please ensure the AC, the DC and communication connection are correct.
  • Page 40 Turning the PV inverter on/off 8.1.3 Starting up the Inverter 1.Switch on the PV Array switch and DC switch (with DC switch model) to connect PV Array. 2.Switch on AC circuit breaker to connect electricity grid. 3.Communication Module (Wi-Fi or RS-485) The Communication Module supports the communication with the device with Wi-Fi function.(e.g., smart phone, tablet ect.) Wi-Fi communication...
  • Page 41 Maintenance 9 Maintenance In order to ensure normal operation of the inverter, please check the unit regularly. Check that all terminals, screws and cables are connected and appear as they did upon installation. If there are any impaired or loose parts, please contact your solar installer immediately.
  • Page 42 Error Message and Trouble Shooting 10 Error Message and Trouble Shooting Table 10-1 : Error Message Error Message Possible cause Action 1. Actual utility frequency is higher than the OFR setting E01: OFR 2. Incorrect country setting 1. Check the utility frequency on the 3.
  • Page 43 Error Message and Trouble Shooting Table 10-2 : Fault Message Error Message Possible cause Action 1. The ambient temp. is over 65℃ F05: NTC OTP 2. Detection circuit malfunction 1. Check the installation ambient F06: 1. Ambient temp. >130℃ or <-45℃ temperature and environment NTC0 Circuit Fail 2.
  • Page 44 Error Message and Trouble Shooting Error Message Possible cause Action 1. Check the driver circuit for boost inside the inverter 1. Driver for boost is defective 2. Modify the solar array setting, and F35: Bus Over 2. Voc of PV array is over 550Vdc make the Voc less than 540Vdc 3.
  • Page 45 De-Commissioning 11 De-Commissioning If necessary to put the device out of operation for maintenance and/or storage, please follow the instructions below. WARNING ! To avoid injuries, please follow this procedures 1. Switch off AC circuit breaker to disconnect from electricity grid. 2.
  • Page 46 Technical Data 12 Technical Data Table 12-1 : Specifications Model DC INPUT (SOLAR SIDE) Max. input voltage 600 V Nominal voltage 380 V Max. operating voltage 540 V Start-up voltage 50 V Operating MPPT voltage range 50 V - 480 V Full power MPPT voltage range 280 V - 480 V Max.
  • Page 47 Technical Data Model Adjustable power factor range 0.8 ind - 0.8 cap Inrush current 25.6 Apk, 1ms Maximum overcurrent protection 45 A AC OUTPUT (STANDALONE) Nominal voltage 230 V / 240 V Max. continuous current 36 A Max. continuous power 9 KVA(Linear load)/7.2 KVA(RCD Load) Nominal operating frequency 50 Hz...
  • Page 48 Technical Data Model Protective class Class I Over voltage category OVC II (PV) and OVC III (mains) MECHANICAL DESIGN Dimensions (W x H x D) 425 x 590 x 160 mm Display LED indicators Weight 21.6 kg Cooling Natural convection STANDARDS Enclosure protection rating IP 65...
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This manual is also suitable for:

H8eH10e

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