About This Manual
This manual provides detailed information of installation and user instructions for Solar Charger. All information in this manual is intended for the system owner/operation and only qualified
electricians and technicians who are familiar with solar system design and wiring practices should perform the installation.
1. General Information
1.1 Overview
The Sunworld ® MPPT series. Based on common Positive design and advanced MPPT control algorithm, with LCD displaying running status, this product is artistic, economical and practical. Improving the MPPT control algorithm further, Sunworld MPPT series can minimize the maximum power point loss rate and loss time, quickly track the maximum power point of the PV array and obtain the maximum energy from solar modules under any conditions; and can increase the ratio of energy utilization in the solar system by 10%- 30% compared with a PWM charging method. The limitation function of the charging power and current and reducing charging power function automatic improve the stability which works even connecting oversize PV modules and in high temperature, and increase the professional protection chip for the communication port, further improving the reliability and meeting the different application requirements.
With the adaptive three-stage charging mode based on a digital control circuit, Sunworld ® MPPT series controllers can effectively prolong the life-cycle of batteries, significantly improve the system performance and support all-around electronic protection functions, including overcharging and over discharging protection to minimize damages to components of the system caused by incorrect installation or system failure at the utmost, and effectively ensure safer and more reliable operation of the solar power supply system for a longer service time. This modular solar controller can be widely used for different applications, e.g., Communication base stations, household systems, and field monitoring, etc.
Features：
Advanced MPPT technology, with efficiency no less than 99.5%
Ultra-fast tracking speed and guaranteed tracking efficiency
Advanced MPPT control algorithm to minimize the maximum power point loss rate and loss time
Wide MPPT operating voltage range
High quality components, perfecting system performance, with maximum conversion efficiency of 98%
Accurate recognition and tracking of multiple-peaks maximum power point
International famous brands of ST and IR's components of high quality and low failure rate are used, which can ensure the product’s service life
Charging power and current limitation function
Compatible with lead-acid and lithium-P04 batteries
Battery temperature compensation function
Real-time energy statistics function
Overheating power reduction function
Multiple load work modes
The communication port adopts professional protection chip, which can provide 5VDC power supply, and has over-current and short-circuit protection.
With RS-485 communication bus interface and Modbus communication protocol, it is available to meet various communication requirements in different situations.
Monitor and set the parameters via mobile phone APP or PC software
Full-load operation without any drop in capacity within the range of working environment temperature
Extensive electronic protection
General Safety Instructions
1. All electrical works must be done in accordance with local, national, and/or international electrical codes
2. Before installing or using this device, read all instructions and cautionary markings located in (or on) this guide, the unit, the batteries, PV array, and any other equipment used.
3. Shut off all DC breakers before connecting any wiring
4. Copper wiring must be rated at 75° C or higher.
5. Make sure the controller is mounted in a clean, protected environment; free from dirt, insects, nests, and corrosion.
6. Make sure enclosure ventilation and air flow holes are all free from any obstructions
7. Keep cables together (e.g., using a tie-wrap) as much as possible.
8. Confirm that all the terminals have no corrosion, insulation damaged, high temperature or burnt/ discolored sign, tighten terminal screws to the suggested torque.
9. This product is designed for indoor mounting only. Do not expose this unit to rain, snow or liquids of any type.
10. To reduce the chance of short-circuits, use insulated tools when installing or working with the unit or any DC source (such as PV or batteries).
11. Remove all jewellery when installing or working with the unit or any DC source. This will greatly reduce the chance of accidental exposure to live circuits.
12. Check and confirm that lightning arrester is in good condition. Replace a new one in time to avoid damaging of the controller and even other equipment’s.
13. Check all the naked wires to make sure insulation is not damaged for serious solarization, frictional wear, dryness, insects or rats etc. Repair or replace some wires if necessary
14. The following inspections and maintenance procedures are recommended to be carried out at least twice a year for best performance.
Battery Safety Information
1. Always wear eye protection, such as safety glasses, when working with batteries.
2. Remove all jewelries before working with batteries.
3. Never work alone. Have someone assist you with the installation or stay close enough to come to your aid when working with batteries.
4. Always use proper lifting techniques when handling batteries.
5. Always use identical types of batteries.
6. Never install old or untested batteries. Check each battery’s date code or label to ensure age and type.
7. Batteries should be installed in a well-vented area to prevent the possible buildup of explosive gasses. If the batteries are installed inside an enclosure, vent its highest point to the outdoors.
8. When installing batteries, allow at least 1 inch of air space between batteries to promote cooling and ventilation.
9. NEVER smoke in the vicinity of a battery or generator.
10. Always connect the batteries first, then connect the cables to the inverter or controller. This will greatly reduce the chance of sparks in the vicinity of the batteries.
11. Use insulated tools when working with batteries.
12. When connecting batteries, always verify proper voltage and polarity.
13. Do not short-circuit battery cables. A short-circuit may cause damage to the batteries or chances of fire or explosion.
14. In the event of exposure to battery electrolyte, wash the area with soap and water. If acid enters the eye, flood with running cold water for at least 15 minutes and get immediate medical attention.
15. Always recycle old batteries. Contact your local recycling center for proper disposal information.
