1. ບົດແນະນຳ
ຄູ່ມືນີ້ໃຫ້ຂໍ້ມູນທີ່ຈຳເປັນສຳລັບການດຳເນີນງານ, ການຕິດຕັ້ງ ແລະ ການບຳລຸງຮັກສາເຄື່ອງຂອງທ່ານຢ່າງປອດໄພ ແລະ ມີປະສິດທິພາບ 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. ຜະລິດຕະພັນເກີນview ແລະອົງປະກອບ
ໄດ້ 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.

ຮູບທີ 2.1: ເກີນview ຂອງ 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.
ໂດຍປົກກະຕິແລ້ວອົງປະກອບຫຼັກປະກອບມີ:
- Air Top EVO 40 Heater Unit
- ປໍ້ານໍ້າມັນ
- ສາຍນໍ້າມັນ
- Exhaust Pipe and Silencer
- Combustion Air Intake Pipe
- ສາຍເຊືອກ
- ແຜ່ນຕິດຕັ້ງແລະອຸປະກອນ
- Air Ducting Components
3. ຂໍ້ກໍານົດດ້ານວິຊາການ
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.

ຮູບທີ 3.1: Technical data for Webasto Air Top EVO 40 and EVO 55 models, including heat output, fuel type, voltage, power consumption, and dimensions.
| ພາລາມິເຕີ | Air Top EVO 40 D |
|---|---|
| Type approval: EMC | E1 00 0385 |
| Heat flow over control range [kW] | 1.5 ຫາ 3.5 (4.0) |
| ນໍ້າມັນເຊື້ອໄຟ | Diesel / biodiesel DIN EN 590 / DIN EN 14214 |
| Fuel consumption over control range [l/h] | 0.18 to 0.43 (0.49) l/h |
| ປະລິມານອັນດັບtage [V] | ໑໐/໑໔໕ |
| ປະຕິບັດການ voltage range [V] | 10.5 ຫາ 16 / 20.5 ຫາ 31 |
| Rated power consumption over control range [W] | 15 ຫາ 40 (55) |
| Permissible ambient temperature (operation/storage): Heater [°C] | -40 ເຖິງ +40 / -40 ເຖິງ +85 |
| Permissible ambient temperature (operation/storage): Fuel pump [°C] | -40 ເຖິງ +20 |
| Permissible combustion air intake temperature [°C] | -40 ເຖິງ +20 |
| Setpoint temperature range [°C] | +5 ຫາ +35 |
| 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
ໄດ້ 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.

ຮູບທີ 4.1: ພາກກາງ 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.
- ເຄື່ອງແລກປ່ຽນຄວາມຮ້ອນ: Transfers heat from the combustion gases to the circulating air without mixing.
- Hot Air Blower: Circulates the heated air into the vehicle.
- ໜ່ວຍຄວບຄຸມ: Manages all heater functions, including ignition, fuel delivery, and temperature regulation.
- ປໍ້ານໍ້າມັນ: Delivers precise amounts of diesel fuel to the combustion chamber.
- ຫົວສຽບໄຟ: Ignites the fuel-air mixture during startup.
5. ຂໍ້ແນະນຳການຕິດຕັ້ງ
ການຕິດຕັ້ງທີ່ຖືກຕ້ອງແມ່ນມີຄວາມ ສຳ ຄັນຫຼາຍ ສຳ ລັບການ ດຳ ເນີນງານທີ່ປອດໄພແລະມີປະສິດທິພາບຂອງ 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. ຄໍາຮ້ອງສະຫມັກທົ່ວໄປ
The Air Top EVO 40 is versatile and can be installed in various vehicle types, including:
- ພາຫະນະສຳລັບພັກຜ່ອນຢ່ອນໃຈ (RVs)
- Trucks and Commercial Vehicles
- Boats (with marine-specific installation kits)
- ອຸປະກອນກໍ່ສ້າງ

ຮູບທີ 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.

ຮູບທີ 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. General Installation Considerations
- ສະຖານທີ່ຕິດຕັ້ງ: 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.
- ການສະຫນອງນໍ້າມັນ: 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.
- ການເຊື່ອມຕໍ່ໄຟຟ້າ: 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.
- ລະບົບໄອເສຍ: 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. ຄໍາແນະນໍາການດໍາເນີນງານ
ປະຕິບັດການ Webasto Air Top EVO 40 is straightforward using the control unit. The specific control panel may vary, but general functions remain consistent.

ຮູບທີ 6.1: Example ຂອງ 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. ການປັບອຸນຫະພູມ
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. ບໍາລຸງຮັກສາ
ການບໍາລຸງຮັກສາເປັນປົກກະຕິຮັບປະກັນອາຍຸຍືນແລະການປະຕິບັດທີ່ດີທີ່ສຸດຂອງເຈົ້າ Webasto Air Top EVO 40 heater. Perform these checks periodically.
- ການກວດກາປະຈຳປີ: Have the heater inspected by a qualified technician at least once a year, preferably before the heating season.
- ການຮັບອາກາດ ແລະ ໄອເສຍ: Regularly check that the combustion air intake and exhaust pipes are clear of obstructions (e.g., dirt, ice, debris).
- ທໍ່ລະບາຍອາກາດ: Ensure the warm air ducts are clean and free from blockages.
- ການເຊື່ອມຕໍ່ໄຟຟ້າ: ກວດເບິ່ງການເຊື່ອມຕໍ່ໄຟຟ້າທັງຫມົດສໍາລັບຄວາມແຫນ້ນຫນາແລະການກັດກ່ອນ.
- ລະບົບນໍ້າມັນ: ກວດສອບທໍ່ນໍ້າມັນເຊື້ອໄຟເພື່ອຫາການຮົ່ວໄຫຼ ຫຼື ຄວາມເສຍຫາຍ. ຮັບປະກັນວ່າຕົວກອງນໍ້າມັນເຊື້ອໄຟ (ຖ້າຕິດຕັ້ງແລ້ວ) ສະອາດ.
- ທໍາຄວາມສະອາດທົ່ວໄປ: Keep the exterior of the heater unit clean. Do not use harsh chemicals.
8. ການແກ້ໄຂບັນຫາ
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.
| ບັນຫາ | ສາເຫດທີ່ເປັນໄປໄດ້ | ການແກ້ໄຂ |
|---|---|---|
| ເຄື່ອງເຮັດຄວາມຮ້ອນບໍ່ເລີ່ມຕົ້ນ | ຫມໍ້ໄຟຕ່ໍາ voltage ບໍ່ມີນໍ້າມັນ ຟິວເປົ່າ ສາຍໄຟຜິດພາດ | ກວດເບິ່ງການສາກໄຟ ກວດເບິ່ງລະດັບນໍ້າມັນ Inspect and replace fuse ກວດເບິ່ງການເຊື່ອມຕໍ່ສາຍໄຟ |
| Heater starts but shuts down quickly | ການສະຫນອງນໍ້າມັນບໍ່ພຽງພໍ Blocked exhaust or air intake ຮ້ອນເກີນໄປ | Check fuel lines and pump Clear obstructions from exhaust/intake Ensure proper ventilation around heater |
| No warm air output | Blower ເຮັດວຽກຜິດປົກກະຕິ ທໍ່ອາກາດອຸດຕັນ | ຕິດຕໍ່ຊ່າງບໍລິການ Check and clear air ducts |
| ຄວັນຫຼາຍເກີນໄປ ຫຼື ກິ່ນຜິດປົກກະຕິ | Improper combustion ນໍ້າມັນຮົ່ວ | Immediately shut down heater and contact service. Do not operate. |
9. ສະຫນັບສະຫນູນ & ການຮັບປະກັນ
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 Webເວັບໄຊ: www.webasto-group.com
ໃຊ້ຂອງແທ້ສະເໝີ Webasto spare parts to ensure the safety and performance of your heater.





