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Table of Contents
Related Manuals for Invest Solar SIC-P-M-3T24-IS
Summary of Contents for Invest Solar SIC-P-M-3T24-IS
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Page 2: Table Of Contents
Table Of Contents Information on this Manual .................................. 1 Validity ....................................... 1 Scope ......................................... 1 Target Group ....................................1 Safety Instructions ..................................1 Introduction ......................................2 Product Overview ..................................... 3 Installation ....................................... 4 Unpacking and Inspection ................................4 Mounting the Unit .................................... 4 Battery Connection .................................. -
Page 3: Information On This Manual
Information on this Manual Validity This manual is valid for the following devices: Off grid solar inverter with MPPT controller, 3KVA, model SIC-P-M-3T24-IS Scope This manual describes the assembly, installation, operation and troubleshooting of this unit. Please read this manual carefully before installations and operations. -
Page 4: Introduction
Introduction Hybrid Power System This is a multifunctional off grid solar inverter, integrated with a MPPT solar charge controller, a high frequency pure sine wave inverter and a UPS function module in one machine, which is perfect for off grid backup power and self-consumption applications. -
Page 5: Product Overview
Product Overview 1. LCD display 2. Status indicator 3. Charging indicator 4. Fault indicator 5. Function buttons Lead-acid Model Lithium Model 6. AC input 7. WiFi/GPRS communication port 8. USB communication port 9. Dry contact 10. PV input 11. Power on/off switch 12. -
Page 6: Installation
Installation Unpacking and Inspection Before installation, please inspect the unit. Be sure that nothing inside the package is damaged. You should have received the following items in the package: The unit x 1 User manual x 1 USB Communication cable x 1 Software CD x 1 Preparation Before connecting all wiring, please take off bottom cover by removing two screws as shown below. -
Page 7: Battery Connection
Amperage capacity value D (mm) L (mm) 1*2AWG 33.2 100AH SIC-P-M-3T24-IS 164A 2~ 3 Nm 200AH 2*6AWG 29.2 Note: The recommended charge current is 0.2C for lead-acid battery. Please follow below steps to implement battery connection: 1. Assemble battery ring terminal based on recommended battery cable and terminal size. -
Page 8: Lithium Battery Connection (Optional)
Lithium Battery Connection (optional) If choosing lithium battery for these series pruducts, you are allowed to use the lithium battery only which have configured. There're two connectors on the lithium battery, RJ45 port of BMS and power cable. Please follow below steps to implement lithium battery connection: 1. - Page 9 LCD setting To connect battery BMS, need to set the battery type as “LI” in Program 05. After set “LI” in Program 05, it will switch to Program 36 to choose battery type. There will be 15 options(LI 01,LI 02…LI 15) under Program 36. AGM (default) Flooded Lithium (only suitable when communicated with BMS)
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Page 10: Ac Input/Output Connection
Suggested cable requirement for AC wires Model Gauge Torque Value SIC-P-M-3T24-IS 12 AWG 1.2~ 1.6 Nm Please follow below steps to implement AC input/output connection: 1. Before making AC input/output connection, be sure to open DC protector or disconnector first. -
Page 11: Pv Connection
To reduce risk of injury, please use the proper recommended cable size as below. Model Typical Amperage Cable Size Torque SIC-P-M-3T24-IS 8 AWG 1.4~1.6 Nm PV Module Selection: When selecting proper PV modules, please be sure to consider below parameters: Open circuit Voltage (Voc) of PV modules not exceeds max. -
Page 12: Communication Connection
Communication Connection Please use supplied communication cable to connect to inverter and PC. Insert bundled CD into a computer and follow on-screen instruction to install the monitoring software. For the detailed software operation, please check user manual of software inside of CD. Dry Contact Signal There is one dry contact available on the rear panel. -
Page 13: Operation
Operation Power ON/OFF Once the unit has been properly installed and the batteries are connected well, simply press On/Off switch (located on the button of the case) to turn on the unit. Operation and Display Panel The operation and display panel, shown in below chart, is on the front panel of the inverter. It includes three indicators, four function keys and a LCD display, indicating the operating status and input/output power information. -
Page 14: Lcd Display Icons
LCD Display Icons Icon Function Description Input Source Information Indicates the AC input. Indicates the PV input Indicate input voltage, input frequency, PV voltage, battery voltage and charger current. Configuration Program and Fault Information Indicates the setting programs. Indicates the warning and fault codes. Warning: flashing with warning code. - Page 15 In battery mode, it will present battery capacity. Load Percentage Battery Voltage LCD Display < 1.717V/cell 1.717V/cell ~ 1.8V/cell Load >50% 1.8 ~ 1.883V/cell > 1.883 V/cell < 1.817V/cell 1.817V/cell ~ 1.9V/cell 50%> Load > 20% 1.9 ~ 1.983V/cell > 1.983 <...
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Page 16: Lcd Setting
LCD Setting After pressing and holding ENTER button for 3 seconds, it will enter setting mode. Press “UP” or “DOWN” button to select setting programs. Then press “ENTER” button to confirm the selection or ESC button to exit. Setting Programs: Program Description Setting Option... - Page 17 If disabled, no matter connected load is low or high, the on/off status of Saving mode disable inverter output will not be effected. Power saving mode (default) enable/disable If enabled, the output of inverter will be off when connected load is pretty low or not detected.
- Page 18 Setting voltage point back to utility source when selecting “SBU priority” or “Solar 24V model: default 23.0V, 22.0V~25.6V Settable first” in program 01 Setting voltage point back to battery mode when selecting “SBU priority” or “Solar first” 24V model: default 27.0V, 24.0V~29.0V Settable in program 01 If this off grid solar inverter is working in Line, Standby or Fault mode, charger source can be programmed as below:...
- Page 19 Bulk charging voltage (C.V voltage). If USE is selected in program 5, this program 24V model: default 28.2V, 24.0V~29.2V Settable can be set up Floating charging voltage. If USE is selected in program 5, this program 24V model: default 27.0V, 24.0V~29.2V Settable can be set up Low DC cut-off voltage.
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Page 20: Display Setting
Display Setting The LCD display information will be switched in turns by pressing “UP” or “DOWN” key. The selectable input voltage, input frequency, PV voltage, MPPT charging current, information is switched as below order: MPPT charging power, battery voltage, output voltage, output frequency, load percentage, load in VA, load in Watt, DC discharging current, main CPU Version and second CPU Version. - Page 21 MPPT charging power=500W MPPT Charging power Battery voltage=25.0V, discharging current=0A Battery voltage/ DC discharging current Output frequency=50Hz Output frequency Load percent=70% Load percentage When connected load is lower than 1kVA, load in VA will present xxx VA like below chart. Load in VA When load is larger than 1kVA (≧1KVA), load in VA will present x.x kVA like below chart.
- Page 22 When load is lower than 1kW, load in W will present xxx W like below chart. Load in Watt When load is larger than 1kW (≧1KW), load in W will present x.x kW like below chart. Main CPU version 013-02-719 Main CPU version checking Secondary CPU version 014-02-719 Secondary CPU version checking...
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Page 23: Operating Mode Description
Operating Mode Description Operation mode Description LCD display Charging by utility and PV energy. Standby mode / Power saving mode Charging by utility. Note: *Standby mode: The inverter is not turned on yet but at this No output is supplied by time, the inverter can charge the unit but it still can battery without AC output. -
Page 24: Warning Indicator
Charging by utility The unit will provide output power from the mains. It Line Mode will also charge the battery at line mode. Power from battery and PV energy. The unit will provide output power from Battery Mode Power from battery only. battery and PV power. -
Page 25: Fault Reference Code
Fault Reference Code Fault Code Fault Event Icon on Fan is locked Over temperature Battery voltage is too high Battery voltage is too low Output short circuited is detected by internal converter components. Output voltage is too high. Overload time out Bus voltage is too high Bus soft start failed Main relay failed... -
Page 26: Specifications
Specifications Table 1 Line Mode Specifications INVERTER MODEL SIC-P-M-3T24-IS Input Voltage Waveform Sinusoidal (utility or generator) Nominal Input Voltage 230Vac 170Vac±7V (UPS) Low Loss Voltage 90Vac±7V (Appliances) 180Vac±7V (UPS); Low Loss Return Voltage 100Vac±7V (Appliances) High Loss Voltage 280Vac±7V High Loss Return Voltage 270Vac±7V... - Page 27 Table 2 Inverter Mode Specifications INVERTER MODEL SIC-P-M-3T24-IS Rated Output Power 3KVA/3KW Pure Sine Wave Output Voltage Waveform 230Vac±5% Output Voltage Regulation Output Frequency 60Hz or 50Hz Peak Efficiency Overload Protection 1s@≥200% load; 5s@150%~200% load; 10s@105%~150% load 2* rated power for 1 second...
- Page 28 Table 3 Charge Mode Specifications Utility Charging Mode INVERTER MODEL SIC-P-M-3T24-IS Charging Current (UPS) 20/30A @ Nominal Input Voltage Flooded Battery 29.2Vdc Bulk Charging AGM / Gel Battery 28.2Vdc Voltage Floating Charging Voltage 27Vdc Overcharge Protection 31Vdc Charging Algorithm 3-Step Charging Curve http://www.investsolar.co.za...
- Page 29 Solar Charging Mode INVERTER MODEL SIC-P-M-3T24-IS Efficiency 98.0% max. Max. PV Array Open 102Vdc Circuit Voltage PV Array MPPT Voltage 30~80Vdc Range Min battery voltage for 17Vdc PV charge Battery Voltage +/-0.3% Accuracy PV Voltage Accuracy +/-2V Charging Algorithm 3-Step...
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Page 30: Trouble Shooting
Trouble Shooting Problem LCD/LED/Buzzer Explanation What to do LCD/LEDs and buzzer Unit shuts down will be active for 3 Re-charge battery. The battery voltage is too low automatically during (<1.91V/Cell) seconds and then Replace battery. startup process. complete off. Check if batteries and the wiring are connected The battery voltage is far too well.
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