Note: Due to shipping restrictions, batteries cannot be included in the package. The remote control will be shipped without a battery. After receiving the item, please purchase a CR2032/A27 3V button cell battery separately. Package Included: - 1x LCD Switch & Remote - 1x Mother Board - 1x Wire Harness - 1x Remote - 3PCS SET: 1x LCD Switch & Remote & 1x Mother Board - 5PCS SET: 1x LCD Switch & Remote & 1x Mother Board & 1x Wire Harness & 1x Temp Sensor Specification: - Color: As shown in the picture - Remote Distance: Within 10m - Voltage: 12V/24V - LCD Connector Pin: 3 Pins Triangle Plug - Remote Control: 4 Button - Battery: 1PC 27A 12V (Not Included) Fitment: For 3KW, 5KW, 8KW Air Diesel Parking Heater Important Note: 1. There is a transparent protective film on the screen that can be removed before use. 2. If your original motherboard and controller match ours (all black plugs), you may replace only the faulty part. If they differ, you must purchase both the motherboard and controller together to ensure compatibility. 3. The remote control is only compatible with our controller and motherboard. 4. If purchasing a complete set, choose the 3PCS SET. Selecting only the LCD Switch & Remote does not include the motherboard. Selecting only the Mother Board does not include the controller or remote. Please ensure correct selection before ordering. Remote Control Coding Instructions: 1. Press and hold the up button for more than 3 seconds while in the off state. 2. Wait for the display to show HFR-, entering the coding interface. 3. Press the up button to send the remote code. 4. The heater will turn on if the code is successful. If the code fails, the heater will not start. 5. The coding mode will exit automatically after timeout. Parameter Setting Procedure (Press the setting key to enter): 1. Time Setting: Use up/down keys to adjust hour (24-hour format), minutes, and other parameters. Press enter to confirm and proceed. 2. Timer Power-On Setting: Default is off (1oF). Press up to turn on (1oN), press enter to set hour and minute. Countdown mode, up to 99 hours 59 minutes. 3. Timer Shutdown Setting: Default is off (2oF). Press up to turn on (2oN), press enter to set hour and minute. Countdown mode, up to 99 hours 59 minutes. 4. Management Password Input: Use up/down keys to adjust digits. Press confirm when correct. After 4-digit password is entered correctly, press confirm to proceed. If incorrect, it returns to first digit. To exit without saving, press SET until exit or wait 10 seconds. 5. Pump Oil Volume Setting: Use up/down keys to set minimum oil volume, press confirm, then set maximum volume. Press enter to proceed. 6. Fan Speed Setting: Use up/down keys to set minimum fan speed, press enter, then set maximum speed. Press enter to proceed. 7. Working Voltage Setting: Must be set in shutdown state. Use up/down keys to select 12V (U-12) or 24V (U-24). Ensure oil pump, motor, and ignition plug are compatible before operation. 8. Speed Signal Selection: Display shows 5N-1. Use up/down keys to set. Choose 5N-2 if impeller has two same-polarity magnets. Choose 5N-1 if polarity differs or only one magnet (default). Incorrect setting may double speed reading. 9. Ignition Plug Power Selection: Display shows PF-5. Use up/down keys to select value (1=35W, 2=40W, 3=45W, 4=80W, 5=85W, 6=90W). Default is 5. Recommended to keep default unless verified. 10. Management Password Change: Initially shows oF. Press confirm key to skip.