Note: Due to shipping restrictions on 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. 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 (not included due to shipping regulations) Fitment: Compatible with 3KW, 5KW, and 8KW Air Diesel Parking Heaters. Important Notes: 1. A transparent protective film is on the screenplease remove it before use. 2. If your original motherboard and controller match ours (all black connectors), you may replace only the faulty part. If they differ, purchase both motherboard and controller together to ensure compatibility. 3. The remote control is designed exclusively for our controller and motherboard. 4. Choose the 3PCS SET if you need the controller, remote, and motherboard. Selecting only LCD Switch & Remote does not include the motherboard. Selecting 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 in the off state. 2. Wait until the display shows HFR- to enter coding mode. 3. Press the up button to send the remote code. 4. The heater will turn on if the code is successful; otherwise, it will not start. 5. The code 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, etc. Press enter to confirm and proceed. 2. Timer Power-On Setting: Default off (display 1oF). Press up to turn on (display 1oN), press enter, then set hour and minute. Countdown mode, up to 99h 59min. 3. Timer Shut-Down Setting: Default off (display 2oF). Press up to turn on (display 2oN), press enter, then set hour and minute. Countdown mode, up to 99h 59min. 4. Management Password Input: Use up/down keys to adjust. Press confirm when correct digit appears. After correct 4-digit entry, press confirm to proceed. Wrong input returns to first digit. To exit without changes, press SET or wait 10 seconds. 5. Pump Oil Volume Setting: Adjust minimum volume using up/down keys, press confirm, then set maximum volume. Press enter to continue. 6. Fan Speed Setting: Adjust minimum speed, press enter, then set maximum speed. Press enter to proceed. 7. Working Voltage Setting: Must be set 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. 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 for opposite polarity or single magnet (default). Incorrect setting doubles speed reading. 9. Ignition Plug Power Selection: Display shows PF-5. Use up/down keys to set value (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: Initially shows oF. Press confirm key to skip or set new password.