1. Киришүү
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. Продукт бүтүп калдыview жана компоненттер
The 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.

2.1-сүрөт: Бүттүview -ныкы 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.
Негизги компоненттер, адатта, төмөнкүлөрдү камтыйт:
- Air Top EVO 40 Heater Unit
- Күйүүчү май насосу
- Күйүүчү май линиясы
- Exhaust Pipe and Silencer
- Combustion Air Intake Pipe
- Электр зымдары
- Плитаны жана жабдыктарды орнотуу
- Air Ducting Components
3. Техникалык шарттар
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.

3.1-сүрөт: Technical data for Webasto Air Top EVO 40 and EVO 55 models, including heat output, fuel type, voltage, power consumption, and dimensions.
| Параметр | Air Top EVO 40 D |
|---|---|
| Type approval: EMC | E1 00 0385 |
| Heat flow over control range [kW] | 1.5ден 3.5ге чейин (4.0) |
| Күйүүчү май | Дизель / биодизель DIN EN 590 / DIN EN 14214 |
| Fuel consumption over control range [l/h] | 0.18 to 0.43 (0.49) l/h |
| Рейтингдүү томtage [V] | 12 / 24 |
| Операциялык томtage диапазону [V] | 10.5тен 16ге / 20.5дан 31кө чейин |
| Rated power consumption over control range [W] | 15ден 40ге чейин (55) |
| Permissible ambient temperature (operation/storage): Heater [°C] | -40тан +40ке чейин / -40тан +85ке чейин |
| Permissible ambient temperature (operation/storage): Fuel pump [°C] | -40тен +20ке чейин |
| Permissible combustion air intake temperature [°C] | -40тен +20ке чейин |
| Setpoint temperature range [°C] | +5дон +35ге чейин |
| 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 классы: Жылыткыч | 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
The 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.

4.1-сүрөт: кесилиши 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.
- Жылуулук алмаштыргыч: Transfers heat from the combustion gases to the circulating air without mixing.
- Hot Air Blower: Circulates the heated air into the vehicle.
- Башкаруу бирдиги: Manages all heater functions, including ignition, fuel delivery, and temperature regulation.
- Күйүүчү май насосу: Delivers precise amounts of diesel fuel to the combustion chamber.
- күйгүзүүчү шам: Ignites the fuel-air mixture during startup.
5. Орнотуу боюнча көрсөтмөлөр
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. Типтүү колдонмолор
The Air Top EVO 40 is versatile and can be installed in various vehicle types, including:
- Эс алуу унаалары (RVs)
- Trucks and Commercial Vehicles
- Boats (with marine-specific installation kits)
- Construction Equipment

5.1-сүрөт: 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.

5.2-сүрөт: 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. General Installation Considerations
- Монтаждоо жери: 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.
- Күйүүчү май менен камсыздоо: 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.
- Электр байланышы: 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.
- Чыгаруу системасы: Route the exhaust pipe safely away from flammable materials and passenger areas. Ensure proper sealing to prevent exhaust fumes from entering the vehicle.
- Combustion Air Intake: Ensure the combustion air intake is clear of obstructions and draws in fresh air from outside the vehicle.
6. Пайдалануу боюнча нускамалар
иштетүү Webasto Air Top EVO 40 is straightforward using the control unit. The specific control panel may vary, but general functions remain consistent.

6.1-сүрөт: Example of a Webasto control knob, typically used for turning the heater on/off and adjusting the desired temperature.
6.1. Starting the Heater
- 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. Температураны тууралоо
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. Shutting Down the Heater
- 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. Техникалык тейлөө
Үзгүлтүксүз техникалык тейлөө сиздин узак мөөнөттүү иштешиңизди жана оптималдуу иштешин камсыз кылат Webasto Air Top EVO 40 heater. Perform these checks periodically.
- Жылдык текшерүү: Have the heater inspected by a qualified technician at least once a year, preferably before the heating season.
- Аба алуу жана чыгаруу: Regularly check that the combustion air intake and exhaust pipes are clear of obstructions (e.g., dirt, ice, debris).
- Аба өткөргүчтөрү: Ensure the warm air ducts are clean and free from blockages.
- Электр байланыштары: Бардык электр байланыштарын бекемдигин жана коррозиясын текшериңиз.
- Күйүүчү май системасы: Күйүүчү май түтүктөрүнөн агып кетүүлөрдү же бузулууларды текшериңиз. Күйүүчү май чыпкасынын (эгер орнотулган болсо) таза экенине ынаныңыз.
- Жалпы тазалоо: Keep the exterior of the heater unit clean. Do not use harsh chemicals.
8. Кыйынчылыктарды
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.
| Көйгөй | Мүмкүн себеп | Чечим |
|---|---|---|
| Жылыткыч иштебейт | Батареянын көлөмү азtage Күйүүчү май жок Күйгүзүүчү Туура эмес зымдар | Батарея зарядын текшериңиз Күйүүчү майдын деңгээлин текшериңиз Inspect and replace fuse Зымдарды байланыштарды текшериңиз |
| Heater starts but shuts down quickly | Күйүүчү май менен камсыз кылуу жетишсиз Blocked exhaust or air intake Ашыкча ысып кетүү | Check fuel lines and pump Clear obstructions from exhaust/intake Ensure proper ventilation around heater |
| No warm air output | Үргүчтүн бузулушу Аба каналынын бөгөлүшү | Тейлөөчү техникке кайрылыңыз Check and clear air ducts |
| Excessive smoke or unusual odor | Improper combustion Күйүүчү май агып жатат | Immediately shut down heater and contact service. Do not operate. |
9. Колдоо жана кепилдик
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 Webсайт: www.webasto-group.com
Always use genuine Webasto spare parts to ensure the safety and performance of your heater.





