Note: Since the logistics rejects all items with batteries, we can only remove the battery from the remote control. After receiving the package, please purchase the remote control battery separately. The battery specification is 3V CR2032 button cell. 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 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 plastic protective film on the screen that can be removed before use. 2. If your original motherboard and controller look the same as ours with all black plugs, you can replace only the damaged part. If they differ from ours, you must purchase both the motherboard and controller together for compatibility. 3. The remote control is only compatible with our controller and motherboard. 4. Select the 3PCS SET if you need the controller, remote, and motherboard. If only LCD Switch & Remote is selected, the motherboard is not included. If only Mother Board is selected, the controller and remote are not included. Please ensure correct selection to avoid ordering errors. Remote Control Coding Instructions: 1. Press and hold the up button for more than 3 seconds while in the off state. 2. Wait until the display shows HFR- to enter coding mode. 3. Press the up button to launch 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 (display 1oF). Press up to turn on (display 1oN), press enter, then set hour and minute. Countdown mode supports up to 99 hours 59 minutes. 3. Timer Shutdown Setting: Default is off (display 2oF). Press up to turn on (display 2oN), press enter, then set hour and minute. Countdown mode supports up to 99 hours 59 minutes. 4. Management Password Input: Use up/down keys to adjust digits. Press confirm when correct. After entering all 4 digits correctly, press confirm to proceed. If incorrect, it resets to first digit. To exit without changes, press SET until exit or wait 10 seconds. 5. Pump Oil Volume Setting: Adjust minimum oil volume using up/down keys. Press confirm to proceed to maximum volume setting. Adjust maximum volume and press enter to continue. 6. Fan Speed Setting: Adjust minimum fan speed using up/down keys. Press enter to proceed to maximum speed setting. Adjust maximum speed and press enter to continue. 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 magnets with same polarity. Choose 5N-1 if magnets have opposite polarity or only one magnet (default). Incorrect setting may double speed. 9. Ignition Plug Power Selection: Display shows PF-5. Use up/down keys to adjust value (1=35W, 2=40W, 3=45W, 4=80W, 5=85W, 6=90W). Default is 5.