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 the 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 protective film on the screen that can be removed before use. 2. If your original motherboard and controller look the same as ours (all black plugs), you can replace only the faulty 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. When ordering, please note: - Selecting only LCD Switch & Remote does not include the motherboard. - Selecting only Mother Board does not include the controller or remote. - For a complete set, choose the 3PCS SET. 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. Enter the coding interface until "HFR-" appears on the display. 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 setup mode): 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. When correct digit appears, press confirm to proceed. After entering 4 digits correctly, press confirm to continue. If incorrect, it resets to first digit. To exit without changes, press SET until exit or wait 10 seconds. 5. Pump Oil Volume Setting: Use up/down keys to set minimum oil volume. Press confirm, then set maximum volume. Press enter to proceed. 6. Fan Speed Setting: Use up/down buttons to set minimum fan speed. Press enter, then set maximum speed. Press enter to proceed. 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: - 5N-2 if impeller has two magnets with same polarity - 5N-1 if magnets have opposite polarity or only one magnet (default) Incorrect setting may double the speed reading. 9. Ignition Plug Power Selection: Display shows PF-5. Use up/down buttons to select power level: 1=35W, 2=40W, 3=45W, 4=80W, 5=85W, 6=90W (default is 5). Use default unless verified otherwise. 10. Management Password Modification: Default shows oF. Press confirm key to skip.