1. Introduction
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your HCALORY 8KW Diesel Heater. Please read this manual thoroughly before using the product to ensure proper function and to prevent potential hazards.

The main components of the HCALORY 8KW Diesel Heater, including the compact heater unit, wireless remote control, and wired LCD monitor for comprehensive control.
2. Safety Information
Your safety is paramount. Adhere to all warnings and instructions to prevent injury or damage.
- Ensure proper ventilation when operating the heater, especially in enclosed spaces, to prevent carbon monoxide buildup.
- Do not operate the heater near flammable materials or liquids.
- Always use the specified diesel fuel type.
- Keep children and pets away from the heater during operation.
- Regularly inspect the exhaust system for leaks or blockages.
- Disconnect power before performing any maintenance or cleaning.
- The heater is equipped with multiple safety protections including short circuit, reverse connection, over-voltage, and over-heat protection.

An internal diagram of the heater highlighting its multiple safety mechanisms, including protections against overheating, short-circuits, reverse connection, and over-voltage.
3. Package Contents
Verify that all items listed below are present in your package:
- 1x HCALORY 8KW Diesel Heater Unit
- 1x 10L Fuel Tank
- 1x Remote Control
- 1x LCD Monitor
- 1x Instruction Manual
- Mounting Plate
- Air Outlet Pipe
- Exhaust Tube with Muffler
- Wire Harness
- Fuel Line
- Air Filter
- T-Connector
- Fuel Pump
- Assorted Fixtures and Zip Ties for Installation
4. Setup
Follow these steps for initial setup and installation:
4.1 Mounting the Heater Unit
Select a stable, flat surface for mounting. Ensure adequate clearance around the unit for proper airflow and heat dissipation. Use the provided mounting plate and hardware to secure the heater firmly.
4.2 Fuel Tank Installation
Position the 10L fuel tank in a secure location, ensuring it is easily accessible for refueling but protected from damage. Connect the fuel line from the tank to the fuel pump, and then from the fuel pump to the heater unit. Ensure all connections are tight to prevent leaks.
4.3 Exhaust and Air Intake Setup
Connect the exhaust tube to the heater's exhaust port and route it safely away from the heated area, ensuring no blockages. Install the muffler for reduced noise. Attach the air intake pipe and air filter to the respective ports. Ensure the air intake is clear of debris.
4.4 Electrical Connections
Connect the main wire harness to the heater unit. Connect the LCD monitor and remote control receiver to the designated ports on the wire harness. Ensure the power connections are secure and match the specified 12V input.

A cutaway view of the heater's internal structure, emphasizing its design for maximizing energy efficiency and complete diesel combustion, with a comparison of fuel consumption rates.
5. Operating Instructions
Your HCALORY Diesel Heater offers multiple control options for ease of use.
5.1 Powering On/Off
- LCD Monitor: Press the power button on the LCD monitor to turn the unit ON or OFF.
- Remote Control: Use the ON/OFF buttons on the remote control to power the unit.
5.2 Temperature and Power Adjustment
- Use the up/down arrows on the LCD monitor or remote control to adjust the desired temperature or heating power (8KW adjustable).
- The heater achieves rapid heating (100 degrees) in less than 10 minutes.
5.3 Smart APP Control (Bluetooth)
The heater supports Bluetooth connectivity for control via a smartphone application (iOS and Android compatible). Download the official HCALORY app to access features such as timing function, thermostatic control, temperature adjustment, and voice broadcasting.

This image highlights the dual control methods: a wireless remote for convenience and an LCD panel for detailed settings and monitoring.

An illustration of the diesel heater's internal mechanism, demonstrating the rapid heating process and efficient hot air distribution.
5.4 Plateau Mode
The diesel air heater is equipped with a plateau mode for high altitudes (up to 18,045 ft). It automatically adjusts to different altitudes to ensure efficient heating performance.

This image illustrates the heater's capability to operate effectively in high-altitude environments, featuring a vehicle in a snowy landscape and an altitude reference graph.
6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your heater.
- Air Filter: Periodically check and clean the air filter to ensure unrestricted airflow. Replace if heavily soiled or damaged.
- Fuel System: Inspect fuel lines for any signs of wear, cracks, or leaks. Ensure the fuel tank is clean and free of contaminants.
- Exhaust System: Check the exhaust pipe and muffler for any blockages or damage. Ensure exhaust gases are safely vented away.
- General Cleaning: Keep the exterior of the heater clean and free of dust and debris. Do not use abrasive cleaners.
7. Troubleshooting
If you encounter issues with your HCALORY Diesel Heater, refer to the common problems and solutions below:
| Problem | Possible Cause | Solution |
|---|---|---|
| Heater does not turn on | No power, loose connection, faulty control panel/remote | Check power supply, ensure all cables are securely connected, test control panel/remote. |
| No heat output | Low fuel, clogged fuel line, air in fuel system, blocked air intake/exhaust | Check fuel level, inspect fuel lines, bleed air from fuel system, clear air intake/exhaust. |
| Excessive smoke | Incorrect fuel, carbon buildup, faulty combustion | Ensure correct fuel, perform maintenance to clear carbon, contact support if problem persists. |
| Unusual noise | Loose components, fan obstruction | Inspect for loose parts, check fan for obstructions. |
8. Specifications
- Brand: HCALORY
- Model: SKUK63123
- Power: 8KW (Adjustable)
- Voltage: 12V DC (Compatible with 110V/220V AC with appropriate adapter, not included)
- Fuel Type: Diesel
- Fuel Tank Capacity: 10 Liters (approx. 2.64 Gallons)
- Fuel Consumption: 0.04 - 0.12 gal/hour
- Heating Time: Rapid heating (100 degrees) in less than 10 minutes
- Altitude Mode: Supports up to 18,045 ft
- Safety Protections: Short circuit, reverse connection, over-voltage, over-heat (≥270 °C/518 °F)
- Control Methods: Remote Control, LCD Panel, Smart APP (Bluetooth)
- Item Weight: 15.52 pounds
- Package Dimensions: 18.15 x 17.5 x 10.3 inches

The HCALORY 8KW Diesel Heater is suitable for a wide range of applications including RVs, trucks, garages, boats, and small houses.
9. Warranty and Support
For warranty information, technical support, or any inquiries regarding your HCALORY 8KW Diesel Heater, please contact the manufacturer directly through their official channels or the retailer where the product was purchased.
Manufacturer: Hcalory





