1. 서론
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Webasto Air Top EVO 40 Diesel Air Heater. This unit is designed to provide reliable heating for RVs, trucks, and other vehicles. Please read this manual thoroughly before installation and use to ensure proper function and safety.
2. 제품 오버view 및 구성 요소
그만큼 Webasto Air Top EVO 40 kit includes the main heater unit and various components necessary for installation and operation. Familiarize yourself with all parts before proceeding.

그림 2.1: 위에view 의 Webasto Air Top EVO 40 Diesel Air Heater kit, showing the main heater unit, exhaust pipes, fuel pump, wiring harness, air ducts, and mounting hardware.
주요 구성 요소는 일반적으로 다음과 같습니다.
- Air Top EVO 40 Heater Unit
- 연료 펌프
- 연료 라인
- Exhaust Pipe and Silencer
- Combustion Air Intake Pipe
- 배선 마구
- 마운팅 플레이트 및 하드웨어
- Air Ducting Components
3. 기술 사양
The following table details the technical specifications for the Webasto Air Top EVO 40 diesel air heater. These values are crucial for proper installation and operation.

그림 3.1: 기술 데이터 Webasto Air Top EVO 40 and EVO 55 models, including heat output, fuel type, voltage, power consumption, and dimensions.
| 매개변수 | Air Top EVO 40 D |
|---|---|
| Type approval: EMC | 이1 00 0385 |
| Heat flow over control range [kW] | 1.5에서 3.5 (4.0) |
| 연료 | Diesel / biodiesel DIN EN 590 / DIN EN 14214 |
| Fuel consumption over control range [l/h] | 0.18 to 0.43 (0.49) l/h |
| 정격 볼륨tag전자 [V] | 12 / 24 |
| 운영 볼륨tag전자 범위 [V] | 10.5에서 16 / 20.5에서 31 |
| Rated power consumption over control range [W] | 15에서 40 (55) |
| Permissible ambient temperature (operation/storage): Heater [°C] | -40 ~ +40 / -40 ~ +85 |
| Permissible ambient temperature (operation/storage): Fuel pump [°C] | -40 ~ +20 |
| Permissible combustion air intake temperature [°C] | -40 ~ +20 |
| Setpoint temperature range [°C] | +5에서 +35까지 |
| Volumetric flow rate with pressure loss in cold/hot air system 0.5 hPa [m³/h] | max. 132 (140) |
| CO₂ in exhaust gas: Rated heating capacity VL [vol%] | 9.2 |
| Heater length [mm] | 423 ± 2 |
| Heater width [mm] | 148 ± 1 |
| Heater height [mm] | 162 ± 1 |
| Heater weight [kg] | 5.9 |
| IP class: Heater | IP5K4K |
| IP class: Fuel pump | IPX6 / IPX7 / IP6K9K |
| Max. length of combustion air line and exhaust line with exhaust silencer [m] | 2 |
| Max. length of combustion air line and exhaust line without exhaust silencer [m] | 5 |
| Max. permissible pressure loss in cold and hot air system [hPa] | 2.0 |
4. System Functionality
그만큼 Webasto Air Top EVO 40 operates as a forced-air diesel heater. It draws in fresh air, heats it using a combustion process, and then circulates the warm air into the vehicle's interior. The system includes a glow plug for ignition, a fuel pump for precise fuel delivery, and a control unit to manage the heating process.

그림 4.1: 횡단면 view of the air heating system, illustrating key internal components such as the glow plug, combustion chamber, heat exchanger, impellers, control unit, and various sensors.
Key functional components include:
- Heater Housing: Encloses all internal components.
- Combustion Air Blower: Supplies air for the combustion process.
- Tubular Combustion Chamber: Where fuel is ignited and burned.
- 열교환 기: Transfers heat from the combustion gases to the circulating air without mixing.
- Hot Air Blower: Circulates the heated air into the vehicle.
- 제어 장치: Manages all heater functions, including ignition, fuel delivery, and temperature regulation.
- 연료 펌프: Delivers precise amounts of diesel fuel to the combustion chamber.
- 글로우 플러그: Ignites the fuel-air mixture during startup.
5. 설치 지침
Proper installation is critical for the safe and efficient operation of your Webasto Air Top EVO 40 heater. It is recommended that installation be performed by a qualified technician. Always adhere to local regulations and manufacturer guidelines.
5.1. 일반적인 응용
The Air Top EVO 40 is versatile and can be installed in various vehicle types, including:
- 레크리에이션 차량(RV)
- Trucks and Commercial Vehicles
- Boats (with marine-specific installation kits)
- 건설 장비

그림 5.1: Illustrative diagram of a Webasto heater installed in a van, showing the placement of the heater unit and the routing of warm air ducts within the vehicle interior.

그림 5.2: Illustrative diagram of a Webasto heater installed in a loader vehicle, indicating the heater unit's position and the distribution of heated air within the cabin.
5.2. 일반적인 설치 고려 사항
- 장착 위치: Choose a dry, protected location, typically under the vehicle, in a storage compartment, or within the cabin, ensuring adequate clearance for air intake and exhaust.
- 연료 공급: Connect the fuel pump to the vehicle's diesel tank or a dedicated fuel tank. Ensure all fuel lines are securely fastened and free from leaks.
- 전기 연결: Connect the heater to a 12V or 24V DC power source as specified for your model. Ensure proper fusing and wiring according to the provided wiring diagram.
- Air Ducting: Install the warm air ducts to distribute heat effectively throughout the desired area. Ensure ducts are not kinked or obstructed.
- 배기 시스템: Route the exhaust pipe safely away from flammable materials and passenger areas. Ensure proper sealing to prevent exhaust fumes from entering the vehicle.
- 연소 공기 흡입구: Ensure the combustion air intake is clear of obstructions and draws in fresh air from outside the vehicle.
6. 작동 지침
운영 Webasto Air Top EVO 40 is straightforward using the control unit. The specific control panel may vary, but general functions remain consistent.

그림 6.1: Examp르의 Webasto control knob, typically used for turning the heater on/off and adjusting the desired temperature.
6.1. 히터 작동시키기
- Ensure the vehicle's battery is adequately charged and there is sufficient diesel fuel.
- Turn the control knob or press the power button on your control panel to the 'ON' position or desired temperature setting.
- The heater will initiate a startup sequence, which includes a self-test, glow plug activation, and fuel pump priming. This process may take a few minutes.
- Once combustion is stable, warm air will begin to flow from the air outlets.
6.2. 온도 조절
Use the control knob or digital interface to set your desired temperature. The heater will automatically adjust its heat output to maintain the set temperature.
6.3. 히터 끄기
- Turn the control knob or press the power button to the 'OFF' position.
- The heater will enter a cool-down cycle to prevent overheating and clear the combustion chamber. Do not disconnect power during this cycle.
- Once the cool-down cycle is complete (indicated by the fan stopping), the heater is safely shut down.
7. 유지관리
정기적인 유지관리는 제품의 수명과 최적의 성능을 보장합니다. Webasto Air Top EVO 40 heater. Perform these checks periodically.
- 연례 검사: 난방기는 자격을 갖춘 기술자에게 최소한 1년에 한 번, 가급적 난방 시즌 전에 점검받으십시오.
- 공기 흡입 및 배출: Regularly check that the combustion air intake and exhaust pipes are clear of obstructions (e.g., dirt, ice, debris).
- 공기 덕트: Ensure the warm air ducts are clean and free from blockages.
- 전기 연결: 모든 전기 연결부의 견고성과 부식 여부를 확인하십시오.
- 연료 시스템: Inspect fuel lines for leaks or damage. Ensure the fuel filter (if installed) is clean.
- 일반 청소: Keep the exterior of the heater unit clean. Do not use harsh chemicals.
8. 문제 해결
This section provides solutions for common issues you might encounter with your Webasto Air Top EVO 40 heater. For complex problems, contact Webasto authorized service.
| 문제 | 가능한 원인 | 해결책 |
|---|---|---|
| 히터가 시작되지 않습니다 | 배터리 용량이 부족합니다tage 연료 없음 퓨즈가 끊어짐 배선 불량 | 배터리 충전 확인 연료량 확인 Inspect and replace fuse 배선 연결을 확인하세요 |
| 히터가 시작되지만 빨리 꺼집니다. | 연료 공급이 부족합니다 Blocked exhaust or air intake 과열 | Check fuel lines and pump Clear obstructions from exhaust/intake Ensure proper ventilation around heater |
| No warm air output | 송풍기 고장 공기 덕트 막힘 | 서비스 기술자에게 문의 Check and clear air ducts |
| 과도한 연기 또는 이상한 냄새 | Improper combustion 연료 누출 | Immediately shut down heater and contact service. Do not operate. |
9. 지원 및 보증
For technical assistance, spare parts, or warranty claims, please contact Webasto customer support or an authorized Webasto service center. Refer to your purchase documentation for specific warranty terms and conditions.
Webasto Official Web대지: www.webasto-group.com
Always use genuine Webasto spare parts to ensure the safety and performance of your heater.





