Note: Due to logistics 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. 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. A transparent protective film is on the screen and can be removed 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 motherboard and controller must be replaced together for compatibility. 3. The remote control is compatible only with our controller and motherboard. 4. Choose the 3PC SET if purchasing controller, remote, and motherboard together. Selecting only LCD Switch & Remote does not include the motherboard. Selecting only Mother Board does not include 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 off state. 2. Wait until the display shows HFR-, entering coding mode. 3. Press the up button to launch the remote code. 4. The heater turns on if the code is successful; otherwise, it will not start. 5. The code exits automatically after timeout. Parameter Setting Procedure (press 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 Shutdown 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. When correct digit appears, press confirm to proceed. After 4-digit password is entered correctly, press confirm to continue. If incorrect, re-enter from first digit. 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 buttons. Press enter to proceed to maximum speed setting. Adjust as needed, then press enter to continue. 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 magnets with same polarity. Choose 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 buttons to modify value (1=35W, 2=40W, 3=45W, 4=80W, 5=85W, 6=90W). Default is 5. Recommended to keep default unless specified.