POWLSOJX BL917 Series Bluetooth/WiFi Solar Charge Controller User Manual

1. Introduction

This manual provides comprehensive instructions for the installation, operation, and maintenance of your POWLSOJX BL917 Series Bluetooth/WiFi Solar Charge Controller. This intelligent MPPT controller is designed to efficiently manage power from your solar panels to charge 12V/24V battery systems, featuring an LCD display, dual USB outputs, and smart control via a mobile application.

2. Key Features

• High-Definition LCD Display: Large, clear display for improved human-computer interaction and real-time monitoring.
• Large-Area Wiring Port: Designed to support large-current thick wires for secure connections.
• Dual USB Output: Provides 5V/2A Max output for charging mobile phones, tablets, cameras, and other digital devices.
• Efficient Heat Dissipation: Features a thickened metal heat dissipation back plate for stable operation in high ambient temperatures.
• Intelligent Multi-Protection: Built-in safeguards against overheating, overcurrent, short circuit, and open circuit. The controller automatically recovers from faults without damage.
• Smart Control via APP: Real-time viewing and setting of controller parameters through a dedicated mobile application (Bluetooth/WiFi models).
• MPPT Charging Technology: Utilizes Maximum Power Point Tracking for efficient charging, continuously detecting and tracking the optimal power point of the solar panel.

3. Specifications

The following table details the specifications for the BL917 series solar charge controllers. Please refer to the specific model for exact values.

Image: Detailed specification table for POWLSOJX BL917 series solar controllers, including charge/discharge current, equalization, max solar input, float/discharge stop/reconnect voltages for various battery systems, USB output, operating temperature, and physical dimensions.

4. Package Contents

Upon opening the package, you should find the following item:

• 1 x POWLSOJX Bluetooth/WiFi Solar Charge Controller

5. Safety Information

• Ensure all connections are tight and correct before operation.
• Do not attempt to disassemble or repair the controller yourself. Contact qualified personnel for service.
• Install the controller in a well-ventilated area, away from direct sunlight, high temperatures, and moisture.
• Keep out of reach of children.
• Always connect the battery first, then the solar panel, and finally the load. Disconnect in reverse order.
• Use appropriate fuses for all connections to prevent damage from overcurrent.

6. Installation and Wiring

Follow these steps for correct installation and wiring of your solar charge controller.

6.1 Connection Order

It is crucial to connect the components in the correct order to prevent damage to the controller and other equipment.

1. Connect the Battery (1): Connect the battery to the controller first. Ensure correct polarity (+ to + and - to -). The controller will automatically detect the system voltage (12V or 24V).
2. Connect the DC Load (2): Connect your DC loads to the controller's load terminals. Ensure correct polarity.
3. Connect the PV Panel (3): Finally, connect the solar panel to the controller's PV input terminals. Ensure correct polarity.

To disconnect the system, follow the reverse order: PV Panel → DC Load → Battery.

6.2 Wiring Diagram

Image: Wiring diagram illustrating the connection sequence for the solar controller, battery, DC load, and PV panel. An inverter and fuse are also shown as optional components.

6.3 Wiring Port Details

The controller features large-area wiring ports. To connect wires, open the bottom cover, insert the wires into the appropriate terminals (marked with + and - for Battery, Load, and PV), and tighten the screws securely.

6.4 Supported Battery Types

The controller supports various battery types, including Lead-acid (Gel, Flood) and Lithium batteries. The specific battery type can be selected and adjusted via the APP or controller settings.

7. Operating Instructions

7.1 LCD Display Overview

The high-definition LCD display provides real-time information about your solar system's performance.

Image: Front view of the solar controller, highlighting the LCD display, USB ports, and control buttons.

Image: Close-up view of the LCD display, showing indicators for recharging current, discharge current, and cumulative power generation.

The display typically shows:

• Input Current (from PV panel)
• Battery Voltage
• Recharging Current
• Discharge Current
• Cumulative Power Generation (KWh)
• Load Output Status

7.2 Button Functions

The controller features several buttons for navigation and settings:

• Up/Down Arrows: Navigate through display screens or adjust parameter values.
• Settings Button (Gear Icon): Enter/exit settings menu, confirm selections.
• Power Button: Turn load output ON/OFF (if configured for manual control).

7.3 USB Output

The dual USB ports provide 5V/2A Max output for charging external devices. These ports are active when the controller is powered.

8. Mobile Application (APP) Control

For models equipped with Bluetooth and/or WiFi, you can monitor and control your solar system remotely using the dedicated mobile application.

8.1 APP Installation Process

1. Download the "ZhiJinPower" APP:

• Scan the QR code provided in the manual or on the product packaging.
• Alternatively, download from: https://st.app02.com/73g5l or http://zhijinpower/id6450771899

2. Register an account and log in.

3. Add your equipment: Input the device number (usually found on the controller or packaging) and the installation password (default is 123456). Name your equipment and confirm its location.

Image: Instructions for ZhiJinPower App installation, including QR code, download links, and screenshots of the app's main interface, settings, and editing screens.

8.2 APP Features and Interface

Image: Screenshots of the ZhiJinPower App, showing the Main Interface for monitoring, the Settings screen for configuration, and the Editing Interface for naming and locating the controller.

The APP provides three main interfaces:

• Main Interface: Displays various states of the controller, such as temperature, charging/discharge current, battery voltage, accumulated power generation, wind state, photovoltaic state, and load state.
• Settings Interface: Allows you to configure controller functions, including:
  • Battery type selection (Lithium, Gel, Flood).
  • Load output mode (e.g., timing output, manual mode).
  • Voltage settings (Full voltage, Restore discharge voltage, Cutoff voltage).
  • Time settings for load output.
• Editing Interface: Used to name your controller and confirm its physical location.

Note: The WiFi setting function is only available on WiFi-enabled controllers.

8.3 Remote Control and Data Acquisition

• The device is equipped with Bluetooth and/or WiFi for network connection.
• For Bluetooth connection, ensure the controller is within range. The APP will automatically copy the WiFi used by the current phone if connected via Bluetooth.
• Data collection corresponds to 5, which displays accumulated power generation, charging current, and discharge current.
• Parameter configuration can modify the solar control parameters.
• Accumulative total capacity, four is accumulated power generation, and solar power control screen synchronization.

8.4 Solar Controller Remote Adjustment

• Battery Type Setting: Select B01 for Lithium, B02 for Gel, B03 for Flood.
• Timing Output Mode: Turn off the light by minute, after the light is off, turn on the light by minute. This allows for precise control of the load output.
• Voltage Settings: Adjust full voltage, restore discharge voltage, and cutoff voltage according to your battery's specifications.
• Time Period Output Function: The time-segmented output function is available for setting specific load operating times. This requires the controller to be connected to the internet.

9. Maintenance

• Regularly inspect all wiring connections to ensure they are tight and free from corrosion.
• Keep the controller clean and free from dust and debris. Use a dry cloth for cleaning.
• Ensure adequate ventilation around the controller to prevent overheating.
• Periodically check the battery's state of charge and overall health.

10. Troubleshooting

11. User Tips

• MPPT Functionality: This controller utilizes true MPPT (Maximum Power Point Tracking) technology to optimize solar panel efficiency. Ensure your solar panel voltage is within the recommended input range for your battery system (e.g., 18V panel for 12V battery, 36V panel for 24V battery) to maximize performance.
• Battery Type Selection: Always ensure the correct battery type (Lithium, Gel, or Flood) is selected in the controller settings or via the app to ensure proper charging algorithms and prolong battery life.
• Wiring Sequence: Strictly follow the connection order (Battery → Load → PV Panel) during installation and the reverse order for disconnection to prevent damage.

12. Warranty and Support

This POWLSOJX product comes with a 12-month warranty from the date of purchase, covering manufacturing defects. For technical support, troubleshooting assistance, or warranty claims, please contact your retailer or the manufacturer directly. Please have your product model and purchase information ready.