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opti-solar SP5000 Premium User Manual

Solar hybrid pv inverter
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User Manual
Solar Hybrid PV Inverter
SP5000 Premium
Version: 1.0

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Summary of Contents for opti-solar SP5000 Premium

  • Page 1 User Manual Solar Hybrid PV Inverter SP5000 Premium Version: 1.0...

  • Page 2: Table Of Contents

    Table Of Contents 1. Introduction ................ 1 2. Important Safety Warning ............ 2 3. Unpacking & Overview............4 4. Installation ................. 5 5. Grid (Utility) Connection ............7 6. PV Module (DC) Connection ..........9 7. Battery Connection ............12 8.

  • Page 3: Introduction

    1. Introduction SP5000 Premium can provide power to connected loads by utilizing PV power, utility power and battery power. Hybrid inverter Distribution Box PV module Electric grids Load Battery Figure 1 Basic hybrid PV System Overview Depending on different power situations, this hybrid inverter is designed to generate continuous power from PV solar modules (solar panels), battery, and the utility.

  • Page 4: Important Safety Warning

    2. Important Safety Warning Before using SP5000 Premium, 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.
  • Page 5 CAUTION! Under high temperature environment, the cover 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.

  • Page 6: Unpacking & Overview

    3. Unpacking & 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 Mounting plate Fixing screws EMS port Software CD Manual USB cable...

  • Page 7: Installation

    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. Mount on a solid surface This inverter can make noises during operation which may be perceived as a nuisance in a living area.
  • Page 8 Drill six holes in the marked Raise the inverter and place it over the locations with supplied six screws. mounting plate. The reference tightening torque is 35 N.m. 3. Fix the inverter in position by Check if the inverter is firmly secured. screwing the supplied two screws (M4*12) located on the top two sides of the inverter.

  • Page 9: Grid (Utility) Connection

    WARNING! It's very important for system safety and efficient operation to use appropriate cable for grid (utility) connection. To reduce risk of injury, please use the proper recommended cable size as below. Suggested cable requirement for AC wire Model SP5000 Premium Nominal Grid Voltage 230VAC Conductor cross-section (mm AWG no.
  • Page 10 5-3. Connecting to the Generator Step 1: Check the generator 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: Remove insulation sleeve 10 mm for three conductors.

  • Page 11: Pv Module (Dc) Connection

    6. PV Module (DC) Connection CAUTION: Before connecting to PV modules, please install separately a DC circuit breaker between inverter and PV modules. NOTE1: Please use 1000VDC/10A circuit breaker. NOTE2: The overvoltage category of the PV input is II. Please follow below steps to implement PV module connection: WARNING: Because this inverter is non-isolated, only three types of PV modules are acceptable: single crystalline and poly crystalline with class A-rated and CIGS modules.
  • Page 12 Crimping tool and spanner Cable preparation and connector assembly process: Strip one cable 8 mm on both end sides and be careful NOT to nick conductors. Insert striped cable into female terminal and crimp female terminal as shown below charts. Insert assembled cable into female connector housing as shown below charts.
  • Page 13 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 PV module connection.

  • Page 14: Battery Connection

    7. Battery Connection CAUTION: Before connecting to batteries, please install separately a DC circuit breaker between inverter and batteries. NOTE1: Please only use sealed lead acid battery, vented and Gel battery. Please check maximum charging voltage and current when first using this inverter. If using Lithium iron or Nicd battery, please consult with installer for the details.

  • Page 15: Load (Ac Output) Connection

    WARNING! It's very important for system safety and efficient operation to use appropriate cable for AC connection. To reduce risk of injury, please use the proper recommended cable size as below. Model SP5000 Premium Nominal Grid Voltage 230VAC Conductor cross-section (mm AWG no.
  • Page 16 Software Setting Please set up mains output in parameter setting of bundled software. When “Emergency power supply control” is enabled and inverter is working in battery mode, it will cut off AC output and remain energy through EMS port when battery voltage drops down to the setting value in “Battery voltage to cut-off mains output in battery mode”.

  • Page 17: Ems Connection

    9. EMS Connection This port is available to provide a power source (230V/5A) for emergent light and load. 9-1 Interface Configuration There are four pins on this port. However, only Pin 1 (Line) and Pin 4 (Neutral) are worktable. Please use supplied cables to connect Pin 1 and Pin 4 shown as below charts. 9-2.

  • Page 18: Communication

    11. Communication The inverter is equipped with several communication ports and it is also equipped with a slot for alternative communication interfaces in order to communicate with a PC with corresponding software. This intelligent slot is suitable to install with SNMP card and Modbus card.

  • Page 19: Dry Contact Signal

    Dry Contact Signal There is one dry contact available on the bottom panel. It could be used to remote control for external generator. 12-1. Electric Parameter Parameter Symbol Max. Unit Relay DC voltage Relay DC current Note: The application of the dry contact should not exceed the electric parameter shown as above.
  • Page 20 You can set the related parameters in software. Refer to below chart:...

  • Page 21: Relay Control Port

    Relay Control Port This port is available to provide a power source (230V/8A) to trigger external relay. This function is only valid for Grid-tie with backup II mode. 13-1. Interface Configuration There are four pins on this port. However, only Pin 1 and Pin 4 are worktable. Please use supplied cables to connect Pin 1 and Pin 4 shown as below charts.
  • Page 22 Condition 3: 230V Power on When the unit is not working at inverter mode or grid is available. 13-3. Application Below chart is recommended circuit wiring.

  • Page 23: Application With Energy Meter

    Application with Energy Meter With Modbus card II and energy meter, hybrid inverter can be easily integrated into the existing household system. For details please refer to Modbus card II manual. Note: this application is only valid for Grid-Tie with Backup II mode. Equipped with Modbus card II, hybrid inverter is connected to energy meter with RS485 communication port.

  • Page 24: Commissioning

    Commissioning Step 1: Check the following requirements before commissioning: Ensure the inverter is firmly 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.

  • Page 25: Initial Setup

    Initial Setup Before inverter operation, it’s required to set up “Operation Mode” via software. Please strictly follow below steps to set up. For more details, please check software manual. Step 1: After turning on the inverter and installing the software, please click “Open Monitor”...
  • Page 26 SECTION A: Standard: It will list local grid standard. It’s requested to have factory password to make any modifications. Please check local dealer only when this standard change is requested. CAUTION: Wrong setting could cause the unit damage or not working. Nominal Output Voltage: 230V.
  • Page 27 Allow to feed-in to the Grid: This option is only valid under Grid-tie and Grid-tie with backup modes. Users can decide if this inverter can feed-in to the grid. Allow battery to discharge when PV is available: This option is automatically determined by setting in “Load supply source (PV is available)”.
  • Page 28 battery. 2. PV only It is only allow PV power to charge battery. 3. None It is not allowed to charge battery no matter it’s from PV power or grid. Load supply source: When PV power is available: 1 PV, 2 Grid, 3 Battery If battery is not fully charged, PV power will charge battery first.
  • Page 29 PV energy supply priority setting: 1 Load, 2 Battery and 3 Grid. PV power will provide power to the load first. Then, it will charge battery. If there is any remaining power left, it will feed-in to the grid. Battery charging source: 1.
  • Page 30 Grid-tie with backup (III): PV energy supply priority setting: 1 Load, 2 Grid and 3 Battery PV power will provide power to the load first. If there is more PV power available, it will feed-in to the grid. If feed-in power reaches max. feed-in power setting, the remaining power will charge battery.
  • Page 31 battery power is running out, grid will back up the load. NOTE: This option will become ineffective during AC charging time and the priority will automatically become 1 Grid and 2 Battery order. Otherwise, it will cause battery damage. Grid-tie with backup (IV): Users are only allowed to set up peak time and off- peak electricity demand.
  • Page 32 Battery charging source: PV and grid charge battery PV power will charge battery first during off-peak time. If it’s not sufficient, grid will charge battery. Load supply source: 1 PV, 2 Grid, 3 Battery When battery is fully charged, remaining PV power will provide power to the load first.
  • Page 33 Inverter mode. That means the transfer time from inverter mode to battery mode will be less than 15ms. Besides, it will avoid overload fault because grid can supply load when connected load is over SP5000 Premium. Battery charging source: 1.
  • Page 34 That means the transfer time from inverter mode to battery mode will be less than 15ms. Besides, it will avoid overload fault because grid can supply load when connected load is over SP5000 Premium. Battery charging source: 1. PV or Grid: If there is remaining PV power after supporting the loads, it will charge battery first.
  • Page 35 That means the transfer time from inverter mode to battery mode will be about 15ms. If connected load is over SP5000 Premium and grid is available, this inverter will allow grid to provide power to the loads and PV power to charge battery.
  • Page 36 Load supply source: When PV power is available: 1 PV, 2 Battery, 3 Grid PV power will provide power to the load first. If it’s not sufficient, battery power will back up the load. Only after battery power is running, Grid will back up the load. When PV power is not available: 1.

  • Page 37: Operation

    Operation 17-1. Interface This display is operated by four buttons. 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. 17-2.
  • Page 38 Indicates that the fault occurs. Indicates fault code or warning code. Indicates date and time, or the date and time users set for querying energy generation. Indicates solar panels. Icon flashing indicates PV input voltage or is out of range. Indicates utility.
  • Page 39 17-3. Button Definition Button Operation Function Enter query menu. Short press. If it’s in query menu, press this button to confirm selection or entry. Press and hold the button This inverter is able to provide power to ENTER/ON for approximately 1 second connected loads output...
  • Page 40 Setting Display Procedure Input voltage or frequency of AC input Procedure Frequency, voltage, power or percentage of AC output Procedure...
  • Page 41 Input voltage or power of PV input. Procedure Battery voltage or percentage. Procedure...
  • Page 42 Date and time. Procedure Today or total energy generated. Procedure 17-5. Operation Mode & Display Below is only contained LCD display for grid-tie with backup mode (I). If you need to know other operation mode with LCD display, please check with installer.
  • Page 43 Inverter mode with grid connected This inverter is connected to grid and working with DC/INV operation. LCD Display Description PV power is sufficient to charge battery, provide power to loads, and then feed in to the grid. PV power is sufficient to charge the battery first.
  • Page 44 This inverter is disabled to generate power to the loads via AC output. PV power and utility are charging battery at the same time because of insufficient PV power. This inverter is disabled to generate power to the loads via AC output. PV power is feeding power back to the grid.
  • Page 45 Inverter mode without grid connected This inverter is working with DC/INV operation and not connecting to the grid. LCD Display Description PV power is sufficient to charge battery and provide power to the connected loads. PV power is generated, but not sufficient to power loads by itself.
  • Page 46 Standby mode : The inverter is working without DC/INV operation and load connected. LCD Display Description This inverter is disabled on AC output or even AC power output is enabled, but an error occurs on AC output. Only PV power is sufficient to charge battery.

  • Page 47: Charging Management

    Charging Management Default Charging Parameter Note Value It can be adjusted via software from Charging current 10Amp to 100Amp. It can be adjusted via software from Floating charging voltage (default) 54.0 Vdc 50Vac to 60Vdc. Max. absorption charging voltage It can be adjusted via software from 56.0 Vdc (default) 50Vac to 60Vdc.
  • Page 48 If using sealed lead acid battery, please set up the max. charging current according to below formula: The maximum charging current = Battery capacity (Ah) x 0.2 For example, if you are using 300 Ah battery, then, maximum charging current is 300 x 0.2=60 (A).

  • Page 49: Maintenance & Cleaning

    Maintenance & Cleaning Check the following points to ensure proper operation of whole solar system at regular intervals. Ensure all connectors of this inverter are cleaned all the time. Before cleaning the solar panels, be sure to turn off PV DC breakers. Clean the solar panels, during the cool time of the day, whenever it is visibly dirty.

  • Page 50: Trouble Shooting

    Trouble Shooting When there is no information displayed in the LCD, please check if PV module/battery/grid connection is correctly connected. NOTE: The warning and fault information can be recorded by remote monitoring software. 20-1. Warning List There are 17 situations defined as warnings. When a warning situation occurs, icon will flash and will display warning code.
  • Page 51 20-2. Fault Reference Codes When a fault occurs, the icon will flash as a reminder. See below for fault codes for reference. Situation Fault Solution Fault Event Possible cause Code Bus voltage over Surge 1. Restart the inverter. 2. If the error message still remains, please contact your installer.
  • Page 52 GFCI fault Leakage current 1. Check the wire and panels excceds the limit. which may cause the leakage. 2. If the error message still PV ISO fault The resistance remains, please contact your between PV and installer. ground is too low. INV DC current over Utility fluctuates.

  • Page 53: Specifications

    Specifications MODEL SP5000 Premium RATED POWER 5000 W PV INPUT (DC) Maximum DC Power 10000 W Nominal DC Voltage 720 VDC Maximum DC Voltage 900 VDC Working DC Voltage Range 200 VDC ~ 900 VDC Start-up Voltage / Initial Feeding Voltage...
  • Page 54 GENERAL PHYSICAL Dimension, D X W X H (mm) 600X460X204.2 Net Weight (kgs) INTERACE Communication Port RS-232/USB Optional SNMP, Modbus and AS-400 cards Intelligent Slot available ENVIRONMENT Protective Class Ingress Protection Rating IP20 Humidity 0 ~ 90% RH (No condensing) Operating Temperature -10 to 55°C (Power derating above 50°C) Altitude...

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