KROAK Diesel Air Heater User Manual

1. Product Overview

The KROAK Diesel Air Heater is a versatile and efficient heating solution designed for various applications, including cars, trucks, boats, RVs, and indoor spaces like storerooms, workshops, and factories. It utilizes a sandblasting aluminum heat exchanger for rapid heat production and transfer, ensuring a comfortable environment quickly.

2. Specifications

Dimensions and Weight

• Item Length: 33.5cm (13.2in)
• Item Width: 13.5cm (5.3in)
• Item Height: 13.5cm (5.3in)
• Item Diameter (Air Outlet): 7.5cm (2.95in)
• Item Weight: 7kg (15.4 lbs)

3. Package Contents

The contents of your package may vary slightly depending on the specific model (K-H, K-S, K-U5) purchased. Please refer to the list below for common inclusions.

K-H Package includes:

• 1 x Heater Host
• 1 x LCD Switch
• 1 x Remote control
• 1 x Manual
• 1 x Exhaust Silencer
• 1 x Exhaust pipe
• 1 x Intake pipe
• 1 x Air Outlet Pipe
• 1 x Air Filter
• 1 x Connection holder
• 1 x Fixture Accessories set

K-S Package includes:

• 1 x Heater Host
• 1 x LCD Switch
• 1 x Remote control
• 1 x Manual
• 1 x Fixture Accessories Set
• 1 x Exhaust silencer
• 1 x Exhaust pipe
• 1 x Intake pipe
• 1 x Air Outlet Pipe
• 1 x Air Filter

K-U5 Package includes:

• 1 x Heater Host
• 1 x LCD Switch
• 1 x Remote control
• 1 x 10L fuel tank
• 1 x Manual
• 1 x Fixed cable
• 1 x Tubing
• 1 x Fixture Accessories set
• 1 x Oil Filter
• 1 x Oil Pump
• 1 x Vents
• 1 x Air Filter
• 1 x T Connector
• 1 x Oil Pump Clip
• 1 x Exhaust Silencer
• 1 x Intake/Exhaust pipe
• 1 x Air Outlet pipe
• 1 x Wire harness
• 1 x Fixed Plate

4. Setup and Installation

The KROAK Diesel Air Heater is designed for relatively straightforward installation. It can be easily installed and fixed in your vehicle (car, RV, boat, truck) or indoors. Ensure all components are securely connected before operation.

General Installation Steps (Consult your specific model's manual for detailed diagrams):

1. Mounting: Choose a stable and secure location for the heater unit. Ensure adequate clearance for air intake and exhaust.
2. Fuel Connection: Connect the fuel line from the heater to the diesel fuel tank (internal or external, depending on model). Ensure all connections are tight to prevent leaks.
3. Exhaust System: Install the exhaust pipe and silencer, directing exhaust gases safely away from the heated area and any flammable materials.
4. Air Intake/Outlet: Connect the intake and air outlet pipes. Ensure the air intake is clear of obstructions and the heated air can circulate effectively.
5. Electrical Connection: Connect the heater to a 12V or 24V power source, ensuring correct polarity and a stable power supply.
6. Control Panel/Remote: Mount the LCD switch in an accessible location and ensure the remote control is paired (if applicable).

Important: Proper ventilation is crucial. Never operate the heater in an enclosed space without adequate ventilation to prevent carbon monoxide buildup.

5. Operating Instructions

The KROAK Diesel Air Heater offers intelligent dual control via an LCD panel (rotary switch) and a remote control.

Starting the Heater:

1. Ensure the heater is properly installed and connected to power and fuel.
2. Using the LCD panel or remote control, press the power button to turn on the unit.
3. The heater will initiate a startup sequence, including preheating.

Adjusting Settings:

• Temperature Control: The temperature can be adjusted from 8°C to 36°C (46°F to 96.8°F) using the controls on the LCD panel or remote.
• Speed Control: The heater features 6-speed control settings to manage fan speed and heat output.
• Timers: Utilize the timer function to schedule heating periods.
• Altitude Mode: For operation at higher altitudes (below 3000m / 9843ft), activate the altitude mode for optimized performance.

Stopping the Heater:

1. Press the power button on the LCD panel or remote control to turn off the unit.
2. The heater will enter a cool-down phase to prevent damage from residual heat. Do not disconnect power during this phase.

6. Safety Features and Precautions

The KROAK Diesel Air Heater is equipped with multiple safety features to ensure reliable operation.

Integrated Protection:

• Overheating Protection: The unit will automatically shut down if temperatures exceed 270°C (518°F).
• Short Circuit Protection: Safeguards against electrical short circuits.
• Reverse Connection Protection: Prevents damage from incorrect power polarity.
• Overvoltage Protection: Protects the unit from excessive voltage input.

General Safety Precautions:

• Always ensure proper ventilation when operating the heater, especially in enclosed spaces.
• Keep flammable materials away from the heater's exhaust and hot surfaces.
• Do not block the air intake or outlet.
• Regularly inspect fuel lines and electrical connections for wear or damage.
• Do not attempt to modify the heater or its components.
• Keep out of reach of children and pets.

7. Maintenance

Regular maintenance ensures the longevity and efficient operation of your KROAK Diesel Air Heater.

• Cleaning: Periodically clean the exterior of the heater. Ensure the air intake and exhaust ports are free from dust, debris, or blockages.
• Fuel System Check: Inspect fuel lines and filters for any signs of leakage or clogging. Replace fuel filters as needed.
• Electrical Connections: Check all electrical wiring and connections for tightness and signs of corrosion or damage.
• Exhaust System: Ensure the exhaust pipe and silencer are intact and free from blockages.
• General Inspection: Before each use, perform a visual inspection for any loose parts, unusual wear, or damage.

8. Troubleshooting

If you encounter issues with your KROAK Diesel Air Heater, refer to the following basic troubleshooting steps. For complex problems, contact customer support.

• Heater Not Starting:
  • Check power supply (12V/24V) and connections.
  • Ensure there is sufficient diesel fuel in the tank.
  • Verify the LCD panel and remote control are functioning.
• Low Heat Output:
  • Check for blockages in the air intake or exhaust.
  • Ensure the fuel filter is not clogged.
  • Verify the selected temperature and fan speed settings.
• Unusual Noise/Smell:
  • Turn off the heater immediately.
  • Inspect for any loose components or obstructions.
  • Ensure proper ventilation.
• Error Codes on LCD:
  • Refer to the specific error code in your detailed product manual (if provided) or contact customer support for interpretation and resolution.

9. User Tips

• AC Adapter: The product does not ship with an AC adapter. If you intend to use the heater with a 220V AC power source (e.g., indoors), you will need to purchase a compatible 12V or 24V DC power supply/adapter separately. Contact the seller for recommendations if needed.
• Preheating: Use the remote control to preheat your vehicle or space before entry for maximum comfort.
• Fuel Quality: Always use high-quality diesel fuel to ensure optimal performance and prevent clogging.
• Altitude Adjustment: Remember to activate the altitude mode when operating in mountainous regions to maintain efficient combustion.

10. Warranty and Support

KROAK products are designed for quality and reliability. In the event of any issues, please refer to the following information:

Product Quality:

• The product is guaranteed for quality. If the product is found to be defective, a full refund or replacement may be provided.

Returns:

• Returns are accepted for products in perfect condition. Please consult your purchase platform for specific return policies and timelines.

Customer Support:

For further assistance, technical support, or warranty claims, please contact the seller or KROAK customer service through the platform where you purchased the product.