1. Introduction
Thank you for choosing the Sunster TB10pro 8KW Toolbox Diesel Air Heater. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your new heater. Please read this manual thoroughly before use and keep it for future reference.
Key Features:
- Adaptive Plateau Mode: Automatically adjusts combustion for optimal performance at altitudes up to 4,500 meters (16,404 ft).
- Automatic Start & Stop: Intelligent thermostat maintains a set temperature, ensuring constant heat and energy efficiency.
- Ventilation Function: Circulates air without heating, improving air quality.
- Turbo Heat Mode: Provides rapid heating when needed.
- 24-Hour Timer Function: Allows scheduled operation.
- Low Noise Operation: Ultra-quiet oil pump ensures noise levels are β€35 dB.
- Low Fuel Consumption: Highly efficient 8KW heater, consuming approximately 1 gallon of fuel per night for heating up to 20 γ‘.
- Innovative CO Alarm System: Built-in CO sensor with alerts and auto shut-off for enhanced safety.
- Smart APP Control: Control your heater via the "Sunster" application.
- Versatile Power Options: Supports DC 12V/24V and AC 110-240V.
2. Safety Information
Always prioritize safety when operating the diesel air heater. Failure to follow these instructions may result in property damage, injury, or death.
- Ensure adequate ventilation when operating the heater, especially in enclosed spaces.
- Never block the air intake or exhaust outlets.
- Keep flammable materials at a safe distance from the heater.
- Do not operate the heater if any part is damaged or malfunctioning.
- Only use diesel fuel. Do not use gasoline or other volatile fuels.
- Regularly check the CO detector for proper function and ensure its battery is charged.
- Keep children and pets away from the operating heater.
- Disconnect power before performing any maintenance or refilling fuel.
3. Package Contents
Verify that all items listed below are included in your package:
- 1 x Air Diesel Heater (Toolbox unit)
- 1 x Remote Control
- 1 x AC110-240V Power Adapter
- 1 x Silencer
- 1 x Exhaust Pipe
- 1 x Flexible and Stretchable Air Outlet Pipe
- 1 x Set Screw Accessory Kit
- 1 x User Manual
- 1 x DC Battery Power Cable
- 1 x Heat Protection Sleeve
- 1 x Oil Filter
- 1 x 4m Switch Extension Cable

4. Product Overview
The Sunster TB10pro is a compact and portable diesel air heater designed for versatile use. It integrates the heater unit, fuel tank, and controls into a durable toolbox-style casing.
Main Components:
- Heater Unit: The core component responsible for combustion and heat generation.
- Fuel Tank: Integrated 6L diesel tank with a visible fuel level indicator.
- LCD Control Panel (A2409PRO): Located on top of the unit, featuring a digital display for temperature, mode, altitude, and fault codes. It has 6 buttons for operation.
- Air Outlet: For directing heated air into the desired space.
- Exhaust Outlet: For expelling combustion gases.
- Power Input: Connects to various power sources (DC 12V/24V or AC 110-240V).



5. Setup
Follow these steps to set up your diesel air heater for the first time.
5.1 Fueling the Heater
- Open the top lid of the toolbox heater.
- Unscrew the fuel tank cap.
- Carefully pour diesel fuel into the 6L tank. Do not overfill.
- Securely close the fuel tank cap and the top lid.

5.2 Connecting Exhaust and Air Outlet
- Attach the exhaust pipe to the exhaust outlet on the heater. Use the provided screw accessory kit to secure it.
- If desired, attach the heat protection sleeve over the exhaust pipe.
- Connect the flexible and stretchable air outlet pipe to the air outlet on the heater.
- Direct the air outlet pipe towards the area you wish to heat. Ensure the exhaust pipe is directed outdoors and away from any windows or vents to prevent carbon monoxide buildup.


5.3 Power Connection
The TB10pro offers multiple power options:
- DC 12V/24V: Use the provided DC battery power cable to connect directly to a vehicle battery or other compatible DC power source.
- AC 110-240V: Use the AC110-240V power adapter to connect to a standard wall outlet.

6. Operating Instructions
Your TB10pro heater can be controlled via the integrated LCD panel, remote control, or the Sunster mobile application.
6.1 Using the LCD Control Panel
- Power On/Off: Press the ON/OFF button on the LCD panel to turn the heater on or off.
- Mode Selection: The LCD panel offers one-click access to three modes:
- Ventilation Mode: Circulates air without heating.
- Gear Mode (Max Mode): Provides maximum heating power.
- Temperature Mode: Allows setting a target temperature.
- Temperature Adjustment: In Temperature Mode, use the UP/DOWN buttons to set your desired temperature (46β-95β / 8β-35β).
- Timer Function: Use the timer switch button to set a 24-hour schedule for automatic power on/off.
- Language Selection: The panel supports German, English, and Russian voice announcements.
6.2 Using the Remote Control
The included remote control allows for convenient operation from a distance.
- ON/OFF: Press the ON or OFF button to control the heater's power.
- Temperature/Gear Adjustment: Use the + and - buttons to adjust temperature or heating gear, depending on the selected mode.
6.3 Using the Sunster Mobile App (Bluetooth)
Download the "Sunster" application to your smartphone for advanced control features.
- Pairing: Follow the app's instructions to pair your smartphone with the heater via Bluetooth.
- Control Functions: The app allows you to:
- Set timing functions.
- Adjust language settings.
- Control heating gear.
- Enable/disable automatic start & stop.
- Activate blow mode.

6.4 CO Detector (A2422)
The wireless CO detector continuously monitors carbon monoxide levels. It features:
- Built-in temperature sensor.
- CO detection function with configurable alarm and overload shutdown.
- Remote control capabilities for the heater.
- Battery level display and time display.
Ensure the CO detector is always in an area where it can accurately monitor air quality and is within range of the heater for remote functions.
7. Maintenance
Regular maintenance ensures the longevity and safe operation of your heater.
7.1 Fuel Management
- Always use clean, high-quality diesel fuel.
- Monitor the fuel level using the visible indicator on the side of the toolbox.
- Refill the tank before it runs completely dry to prevent air from entering the fuel lines.
7.2 Cleaning
- Periodically clean the exterior of the heater with a damp cloth.
- Ensure the air intake and exhaust ports are free from dust, debris, or obstructions.
- Inspect the air filter and clean or replace it as necessary.
7.3 Storage
When storing the heater for extended periods, ensure the fuel tank is empty and the unit is clean and dry. Store in a cool, dry place.
8. Troubleshooting
If you encounter issues with your heater, refer to the following common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Heater does not turn on. | No power, low fuel, faulty connection. | Check power supply and connections. Ensure sufficient diesel fuel. |
| Heater produces insufficient heat. | Blocked air intake/outlet, incorrect mode, low fuel quality. | Clear obstructions. Select Turbo Heat Mode if needed. Use recommended diesel fuel. |
| Excessive smoke from exhaust. | Poor fuel quality, clogged fuel filter, combustion issues. | Use clean diesel. Check and clean fuel filter. Contact support if problem persists. |
| CO alarm sounds. | High carbon monoxide levels, detector malfunction. | Immediately ventilate the area. Turn off the heater. Check detector battery. If CO levels persist, evacuate and seek professional help. |
| Automatic mode not working. | CO controller not present or malfunctioning. | Ensure the CO controller is present, powered, and functioning correctly as it is crucial for automatic mode operation. |
9. Specifications
| Attribute | Value |
|---|---|
| Brand Name | Sunster |
| Model | TB10pro |
| Item Type | Heating & Fans |
| Heater Power | 8KW |
| Fuel Type | Diesel Only |
| Rated Voltage | DC 12V&24V ;AC 110-240V |
| Adapter Input | AC110-240V 50-60Hz |
| Adjustable Temp. Range | 46β-95β/8β-35β |
| Heater Working Temperature | -40β~+20β/-40β~+68β |
| Oil Pump Working Temperature | -40β~+20β/-40β~+68β |
| Control Method | LCD+Remote Control+Bluetooth App |
| Language Selection (Voice) | German, English, Russian |
| Pump Oil Volume Setting | Automatic Pump Oil |
| Temperature Control Conversion | Gear/Temperature |
| Noise Level | < 35db (Ultra Quiet Mode) |
| Material | Aluminum + Plastic |
| Item Weight | 10 kg |
| Item Dimensions (L x W x H) | 15.77cm x 10.09cm x 10.28cm |
| Certification | RoHS, FCC, CE |
| High-concerned chemical | None |
10. User Tips
- For optimal performance at high altitudes, ensure the Adaptive Plateau mode is active. The heater will automatically adjust its combustion.
- To maintain a consistent temperature without manual adjustments, utilize the Automatic Start & Stop feature.
- If you need to quickly warm up a space, engage the Turbo Heat Mode.
- The CO controller is essential for the automatic mode to function correctly. Ensure it is always present and operational.
11. Warranty and Support
Your Sunster TB10pro Diesel Air Heater comes with a manufacturer's warranty. For detailed warranty information, please refer to the warranty card included in your package or contact Sunster customer support.
If you require technical assistance, have questions about operation, or need to report a defect, please contact our customer support team through the official Sunster website or the contact information provided in your purchase documentation. Please have your model number and purchase date ready when contacting support.





