Note: Due to logistics restrictions on items containing batteries, the battery has been removed from the remote control. Upon receiving the package, please purchase a CR2032/A27 3V button cell battery separately. We apologize for the 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) 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 connectors), you may replace only the faulty component. If they differ, you must replace both the motherboard and controller together to ensure compatibility. 3. The remote control is designed exclusively for our controller and motherboard. Ordering Guidance: - 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 while 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 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 key 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 key 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. After entering all 4 digits correctly, press confirm to proceed. Incorrect input returns to first digit entry. To exit without changes, press SET button 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 as needed, then 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 as needed, then press enter to continue. 7. Working Voltage Setting: Must be set in shutdown state. Use up/down keys to select U-12 for 12V system or U-24 for 24V system. 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 reading. 9. Ignition Plug Power Selection: Display shows PF-5. Use up/down keys to modify (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 Modification: Initial display shows oF.