Note: Since logistics regulations restrict the shipment of items containing batteries, the battery has been removed from the remote control. After receiving the package, please purchase a CR2032/A27 3V button cell battery separately for the remote control. We apologize for any inconvenience. 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 (excluded due to shipping restrictions) Fitment: Compatible with 3KW, 5KW, and 8KW air diesel parking heaters. Important Notes: 1. A transparent protective film is applied on the screen. Please remove it before use. 2. If your original motherboard and controller match ours (all black plugs), you may replace only the faulty component. If they differ, both the motherboard and controller must be replaced together to ensure compatibility. 3. The remote control is designed exclusively for use with our controller and motherboard. 4. Select the 3PCS SET if purchasing a complete set including controller, remote, and motherboard. Choosing only LCD Switch & Remote does not include the motherboard. Choosing only Mother Board does not include the controller or remote. Please ensure correct selection to avoid incorrect orders. Remote Control Coding Instructions: 1. Press and hold the up button for more than 3 seconds while the device is off. 2. Wait until the display shows HFR- to enter coding mode. 3. Press the up button to initiate remote code transmission. 4. The heater will turn on if the code is successfully received; otherwise, it will remain off. 5. The coding mode exits 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 digit appears. Enter all 4 digits correctly to proceed. Incorrect input returns to first digit entry. To exit without saving, press SET or wait 10 seconds. 5. Pump Oil Volume Setting: Adjust minimum oil volume using up/down keys, confirm, then set maximum volume. Press enter to continue. 6. Fan Speed Setting: Adjust minimum fan speed, confirm, then set maximum speed. Press enter to proceed. 7. Working Voltage Setting: Set only when powered off. Use up/down keys to select 12V (U-12) or 24V (U-24). Ensure oil pump, motor, and ignition plug are compatible before operation to prevent damage. 8. Speed Signal Selection: Display shows 5N-1. Use up/down keys to select 5N-2 if impeller has two magnets with same polarity; select 5N-1 if polarities differ or only one magnet exists (default). Incorrect selection may double speed reading. 9. Ignition Plug Power Selection: Display shows PF-5. Use up/down keys to select power level (1=35W, 2=40W, 3=45W, 4=80W, 5=85W, 6=90W). Default is 5. Recommended to keep default unless verified otherwise. 10. Management Password Change: Initial display shows oF. Follow password input steps to modify.