1. Introducció
The KROAK Diesel Air Heater is a versatile and efficient heating solution designed for various applications, including vehicle cabins, RVs, boats, and even indoor spaces with the included 240V adapter. This all-in-one unit offers adjustable power output from 5KW to 8KW, multiple control methods (LCD switch, remote control, and Bluetooth app), and is engineered for low emissions and fuel consumption. This manual provides essential information for the safe and effective operation and maintenance of your heater.


2. Informació de seguretat
- Ensure proper ventilation during operation to prevent carbon monoxide buildup. Do not block air intake or exhaust vents.
- Keep flammable materials, such as fuel, paper, and fabrics, away from the heater and its exhaust system.
- Always operate the heater in a well-ventilated area. Do not use in completely enclosed spaces without adequate fresh air supply.
- Disconnect power before performing any maintenance, cleaning, or inspection.
- Do not touch hot surfaces of the heater during or immediately after operation. Allow sufficient time for cooling.
- Assegureu-vos que totes les connexions elèctriques estiguin segures i correctament aïllades.
- Mantingueu els nens i les mascotes allunyats de l'escalfador en funcionament.
- Only use diesel fuel as specified. Do not use gasoline or other volatile fuels.
3. Contingut del paquet
Verifiqueu que tots els elements que s'enumeren a continuació siguin presents al vostre paquet:
- 1 x Air Heater Host
- 1 x 240V Adapter (EU Plug)
- 1 x LCD Key Switch
- 1 x comandament a distància (bateria no inclosa)
- 2 x Suction Pipe
- 1 x tub d'escapament
- 6 x Oil Line Connections
- 1 bomba d'oli
- 1 x Wire Harness
- 1 x filtre d'aire
- 1 x Exhaust Pipe Right Angle Interface
- 1 x Vent
- 1 x Fixture Accessories Set (clamps, cargols, etc.)
- 1 x manual d'instruccions

4. Especificacions
| Característica | Especificació |
|---|---|
| Marca | KROAK (Hcalory is a Sub brand) |
| Nom del model | SKUK75858 |
| Tipus | Air-diesel heating |
| Tipus de canvi | Interruptor LCD |
| Mètodes de control | LCD Panel, Remote Control, Smart App (Bluetooth) |
| Combustible | Dièsel |
| Dipòsit de combustible intern | 5L |
| Potència nominal | 5-8KW (ajustable) |
| Voltage | 12V/24V & 240V (Universal automatic conversion) |
| Adaptador | EU Plug (for 240V operation) |
| Consum de combustible | 0.15 L - 0.44 L/hora |
| Distància de control remot | Fins a 100 metres |
| Temperatura de funcionament del radiador | -40~+50°C |
| Temperatura de treball de la bomba d'oli | -40~+40°C |
| Consum d'energia d'arrencada | 9-13A |
| Consum d'energia en funcionament | 1-3A |
| Longitud de l'element | 35 cm |
| Amplada de l'element | 16 cm |
| Alçada de l'element | 30 cm |
| Diàmetre de l'element | 7.6cm (Air Outlet) |
| Pes de l'article | 8.8 kg |
| Certificacions | CE |

5. Configuració
The KROAK Diesel Air Heater is designed as an all-in-one unit for easy installation and portability. Follow these general steps for setup:
5.1 Col·locació inicial
- Col·loqueu l'escalfador sobre una superfície estable i plana.
- Ensure adequate clearance around the heater for proper airflow and to prevent overheating.
- For indoor use, ensure the exhaust pipe is routed safely to the outside and is clear of any obstructions.
5.2 Connexió de components
- Connexió de combustible: Fill the internal 5L fuel tank with diesel. Connect the oil pump and oil lines securely.
- Entrada d'aire: Attach the suction pipe to the designated intake port. Ensure the air filter is installed.
- Escapament: Connect the exhaust pipe to the exhaust port. Use the right-angle interface if needed for routing. Ensure the exhaust is directed away from flammable materials and living spaces.
- Hot Air Vent: Attach the vent to the hot air outlet.
- Connexions elèctriques: Connect the wire harness to the heater and the LCD key switch.
5.3 Engegar la unitat
- For 12V/24V Vehicle Use: Connect the heater to your vehicle's 12V or 24V power supply using the appropriate wiring.
- For 240V Indoor Use: Use the provided 240V adapter (EU Plug) to connect the heater to a standard wall outlet. The heater features automatic voltage conversió.

6. Instruccions de funcionament
Your KROAK Diesel Air Heater offers multiple convenient control options:
6.1 Mètodes de control
- LCD Key Switch: The integrated LCD panel allows direct control over settings such as power (5-8KW), fuel, current, and temperature. It also provides diagnostic information.
- Comandament a distància: Use the included remote control for convenient operation from a distance of up to 100 meters. (Note: Batteries for the remote control are not included).
- Smart APP Control (Bluetooth): Connect your smartphone via Bluetooth to the heater's dedicated app for advanced control, monitoring, and scheduling features.


6.2 Starting and Adjusting
- Press the power button on the LCD switch, remote, or app to turn on the heater.
- Use the controls to set your desired power output (5-8KW) and temperature.
- The heater utilizes volatile technology with a ceramic spark plug for rapid ignition and complete combustion of diesel fuel.
- The advanced automatic control technology ensures reliable operation and can help eliminate frost from windows.

7. Manteniment
Un manteniment regular garanteix la longevitat i el funcionament eficient del vostre escalfador d'aire dièsel KROAK.
- Neteja: Netegeu periòdicament l'exterior de l'escalfador amb un drap suau i sec.amp cloth. Ensure no dust or debris accumulates around the air intake or exhaust ports.
- Filtre d'aire: Check and clean the air filter regularly. A clogged filter can reduce efficiency and potentially cause issues.
- Sistema d'escapament: Inspect the exhaust pipe for any blockages, damage, or leaks. Ensure it is securely fastened and properly routed.
- Sistema de combustible: Check fuel lines and connections for any signs of leaks or damage. Use clean diesel fuel to prevent clogging of the fuel pump and burner.
- Connexions elèctriques: Verifiqueu que totes les connexions elèctriques estiguin ben ajustades i lliures de corrosió.
- Emmagatzematge: If storing the heater for an extended period, ensure the fuel tank is empty and the unit is clean and dry. Store in a cool, dry place.
- The heater is designed with a compact structure and can be easily disassembled for maintenance or transfer to another vehicle.
8. Solució De Problemes
Si teniu problemes amb el vostre escalfador, consulteu els següents problemes i solucions habituals:
- L'escalfador no s'engega: Check power connections (12V/24V or 240V adapter), ensure sufficient fuel in the tank, and verify the LCD switch is properly connected.
- Baixa producció de calor: Check for blockages in the air intake or exhaust pipes. Ensure the air filter is clean. Verify the power setting is appropriate for the desired heat.
- Excessive smoke or unusual odor: Immediately turn off the heater. Check for proper fuel quality, ensure the exhaust system is clear, and inspect for any leaks or damage. Consult a professional if the issue persists.
- Error codes on LCD: Refer to the specific error code in the detailed instruction manual (if provided) for diagnostic steps. The advanced automatic control technology may display codes for abnormal operating conditions.
- El comandament a distància no funciona: Check and replace batteries in the remote control. Ensure you are within the effective range (up to 100 meters).
Per a problemes persistents, poseu-vos en contacte amb l'atenció al client.
9. Consells d'usuari
- Operació a gran altitud: This heater is designed to operate effectively at high altitudes, up to 4,500 meters above sea level.
- Funcionament silenciós: The heater features a silent oil pump and an upgraded silencer to effectively reduce noise during operation, providing a more comfortable environment.
- Preescalfament: For extremely cold conditions, consider running the heater for a short period before full use to ensure optimal performance.
- Qualitat del combustible: Always use high-quality diesel fuel to prevent issues with the fuel system and ensure clean combustion.

10. Garantia i Suport
KROAK products are manufactured to high-quality standards. For warranty information, please refer to the documentation provided at the time of purchase or contact your retailer. If you require technical assistance, have questions about operation, or need to report a defect, please contact KROAK customer support through the official website or your point of purchase. Please have your model number (SKUK75858) and purchase details ready when contacting support.





