1. Introduction
This manual provides detailed instructions for the safe and efficient operation, installation, and maintenance of your Sunster All-in-One 5kW Diesel Air Heater, Model XMZ-01. This versatile heating unit is designed for use in various diesel vehicles and indoor environments, offering rapid heating and multiple control options.

An overview of the Sunster All-in-One Diesel Heater's key features, including App Bluetooth function, rapid heating, low noise, smart fuel saving, overheating protection, and intelligent constant temperature control.
2. Important Safety Information
Please read and understand all safety warnings and instructions before installing or operating this heater. Failure to follow these instructions may result in fire, explosion, electric shock, or serious injury.
- Ensure proper ventilation when operating the heater, especially in enclosed spaces, to prevent carbon monoxide poisoning.
- Do not operate the heater near flammable liquids, gases, or other combustible materials.
- Keep children and pets away from the heater during operation.
- Always use the correct fuel type (diesel) for this heater.
- Ensure all electrical connections are secure and comply with local regulations.
- Do not block the air intake or exhaust vents of the heater.
- Turn off and disconnect the heater from its power source before performing any maintenance or cleaning.
- Installation should ideally be performed by a qualified professional to ensure safety and correct operation.
3. Package Contents
Verify that all items listed below are present in your package. If any components are missing or damaged, contact customer support.

An illustration of all components included in the Sunster Diesel Air Heater package.
- Main Heater Unit
- Power Adapter
- Remote Control
- Air Filter
- Fixed Plate
- Air Outlet Pipe
- Intake Pipe
- Exhaust Pipe
- User Manual
- Battery Power Cord
- Fixture Accessories Set (clamps, screws, nuts)
- Silencer
4. Product Overview
4.1. Main Components
The Sunster All-in-One Diesel Air Heater integrates the main heating unit, fuel tank, and control system into a single compact device. Key components include the air intake, hot air outlet, exhaust port, fuel inlet, and control panel.

The Sunster All-in-One 5kW Diesel Air Heater, showcasing its compact design, integrated control panel, remote control, power adapter, and smartphone application interface.
4.2. Dimensions
Understanding the heater's dimensions is crucial for proper installation and placement.

Diagram showing the dimensions of the Sunster Diesel Air Heater (410mm height, 155mm width, 420mm length).
5. Technical Specifications
| Feature | Specification |
|---|---|
| Brand | Sunster |
| Model | XMZ-01 |
| Rated Power | 5 kW |
| Rated Voltage | 12V, 24V, 110V-240V (Universal) |
| Internal Fuel Tank Capacity | 5 Liters |
| Fuel Consumption | 0.16 - 0.48 L/Hour |
| Remote Control Distance | Up to 100 Meters |
| Radiator Operating Temperature | -104°F to 122°F (-40°C to 50°C) |
| Oil Pump Working Temperature | -104°F to 104°F (-40°C to 40°C) |
| Item Weight | 9.94 Kilograms |
| Package Dimensions | 49.1 x 47.9 x 20.8 cm |

An internal view of the heater illustrating its low energy consumption, highlighting efficient diesel oil usage.
6. Setup and Installation
The Sunster Diesel Air Heater comes with a comprehensive mounting kit for flexible installation. Due to the nature of the product, professional installation is recommended to ensure safety and optimal performance.
6.1. General Installation Guidelines
- Choose a stable and level surface for mounting the heater.
- Ensure adequate clearance around the heater for proper airflow and to prevent overheating.
- Position the heater so that the hot air outlet is directed towards the area to be heated, and the exhaust pipe can safely vent outside.
- Avoid installing the heater in areas where it may be exposed to excessive vibration or moisture.
6.2. Fuel System Connection
- Fill the integrated fuel tank with clean diesel fuel. Do not overfill.
- Ensure all fuel lines are securely connected and free from leaks.
- The fuel pump's injection frequency and air intake are precisely controlled by the ECU for efficiency.
6.3. Electrical Connection
- Connect the heater to the appropriate power source (12V, 24V, or 110-240V) using the provided power adapter and battery power cord.
- Verify that the voltage matches the heater's requirements.
- Ensure all electrical connections are tight and insulated to prevent short circuits.
6.4. Exhaust and Air Intake
- Attach the exhaust pipe to the heater's exhaust port and route it safely outside the vehicle or structure. Ensure it is clear of any combustible materials.
- Install the air intake pipe and air filter. Ensure the air intake is not obstructed.
- Attach the hot air outlet pipe to direct heated air into the desired space.
7. Operating Instructions
The heater offers multiple control methods: an integrated LCD panel, a remote control, and a Bluetooth smartphone application.

An illustration demonstrating the three control methods for the Sunster Diesel Air Heater: via the smartphone app (Bluetooth), the integrated LCD panel, and the dedicated remote controller.
7.1. Control Panel (LCD Monitor)
The integrated LCD monitor provides real-time status and allows direct control of the heater's functions.

A close-up view of the Sunster Diesel Air Heater's LCD control panel, displaying various settings and indicators.
- ON/OFF Button: Powers the heater on or off.
- SET Button: Enters the settings menu.
- UP/DOWN Buttons: Navigate menu options or adjust values.
- OK/CONFIRM Key: Confirms selections.
- The display shows information such as current temperature, target temperature, fan speed, voltage, and fault codes.
7.2. Remote Control
The included remote control allows for convenient operation from a distance of up to 100 meters.
- ON/OFF Button: Activates or deactivates the heater.
- +/- Buttons: Adjust temperature or power settings.
- Refer to the remote control section in the full manual for specific pairing instructions if needed.
7.3. Bluetooth APP Control
Control your heater remotely using the 'Airheaterble' smartphone application, available for iOS and Android devices.

A visual representation of the Bluetooth smartphone application used to control the Sunster Diesel Air Heater.
- Download: Search for 'Airheaterble' in your device's app store.
- Pairing: Follow the in-app instructions to pair your smartphone with the heater via Bluetooth.
- Functions: The app allows you to power on/off, set temperature, monitor working status, and select operating modes.
7.4. Starting the Heater
- Ensure the fuel tank is adequately filled and all connections are secure.
- Press the ON button on the control panel, remote, or via the app.
- The heater will initiate a startup sequence, which may include a self-check and pre-heating phase.
7.5. Adjusting Settings
- Use the SET button on the LCD panel or the app/remote to access temperature, fan speed, and timer settings.
- The heater features a 24-hour timer function for scheduled operation.
- Altitude adjustment is available for optimal performance at higher elevations (above 6562 ft).
7.6. Shutting Down the Heater
- Press the OFF button on the control panel, remote, or via the app.
- The heater will enter a cool-down cycle to protect components. Do not disconnect power until the cool-down cycle is complete.
8. Maintenance
Regular maintenance ensures the longevity and efficient operation of your Sunster Diesel Air Heater.
- Cleaning: Periodically clean the exterior of the heater with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Air Filter: Inspect and clean the air filter regularly. Replace if heavily soiled or damaged.
- Exhaust System: Check the exhaust pipe for any blockages, damage, or leaks. Ensure it is securely fastened.
- Fuel System: Inspect fuel lines for cracks or leaks. Ensure the fuel tank is free of contaminants.
- Electrical Connections: Verify that all electrical connections are tight and free from corrosion.
- Storage: If storing the heater for an extended period, drain the fuel tank and store in a dry, protected area.
9. Troubleshooting
This section addresses common issues you might encounter. For problems not listed here, or if solutions do not resolve the issue, contact customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| Heater does not start | No power, low fuel, faulty connection, air in fuel line | Check power supply, refill fuel tank, inspect connections, prime fuel system. |
| Low heat output | Blocked air intake/outlet, incorrect settings, dirty filter | Clear obstructions, adjust temperature/power settings, clean/replace air filter. |
| Excessive smoke | Poor combustion, incorrect fuel, carbon buildup | Ensure correct fuel, check for blockages in exhaust, perform maintenance. |
| Unusual noise | Loose components, fan obstruction, fuel pump issue | Inspect for loose parts, clear fan, consult manual for fuel pump diagnostics. |
| Error code on LCD | Specific system fault | Refer to the manual's error code section (if available) or contact support with the code. |
10. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the contact details provided with your purchase documentation or visit the official Sunster website. Keep your proof of purchase for warranty claims.





