1. Giới thiệu
This instruction manual provides essential information for the safe and efficient operation of your Webasto Thermo Top Evo 5+ auxiliary heater and the T91 HTM remote control system. This system is designed to pre-heat the interior of your Mercedes GLK X204 vehicle and its engine, offering enhanced comfort and reducing engine wear during cold starts.
Please read this manual thoroughly before installation and initial use. Proper installation and operation are crucial for the system's performance and your safety.
2. Nội dung gói hàng
The complete package for your Webasto Thermo Top Evo 5+ auxiliary heater system for Mercedes GLK X204 includes the following components:
- Webasto Thermo Top Evo 5+ Heater Unit
- Vehicle-specific installation kit for Mercedes GLK X204
- Webasto T91 Remote Control
- Webasto T91 Remote Control Receiver
- Associated wiring harnesses, fuel lines, coolant hoses, exhaust components, and mounting hardware.
- Installation and operating documentation.

Hình ảnh 2.1: Quaview hoàn chỉnh Webasto Thermo Top Evo 5+ auxiliary heater kit, including the main heater unit, wiring, hoses, exhaust, and the T91 remote control system components.

Hình ảnh 2.2: Cận cảnh view của Webasto Thermo Top Evo 5+ heater unit, showing its compact design and connection points.

Hình ảnh 2.3: Các Webasto T91 remote control and its receiver unit, packaged in a box, ready for installation and pairing.
3. Thiết lập và Cài đặt
Quan trọng: Cài đặt của Webasto Thermo Top Evo 5+ auxiliary heater system requires specialized knowledge and tools. It is highly recommended that installation be performed by a qualified professional or an authorized Webasto service partner to ensure correct function and safety.
The installation process typically involves:
- Mounting the Heater Unit: Securely mount the Thermo Top Evo 5+ unit in the designated location within the vehicle, typically in the engine bay or under the vehicle.
- Kết nối nhiên liệu: Connect the heater to the vehicle's fuel supply system. This involves tapping into the fuel line and installing a fuel pump.
- Coolant Integration: Integrate the heater into the vehicle's coolant circuit to allow for engine and interior pre-heating.
- Kết nối điện: Connect the heater and the T91 receiver to the vehicle's electrical system, ensuring proper fusing and wiring according to the vehicle-specific wiring diagram.
- Hệ thống xả: Install the exhaust pipe and muffler, ensuring proper routing and clearance from heat-sensitive components.
- T91 Remote Control Receiver Installation: Mount the T91 receiver in a suitable location, typically behind the dashboard or in the passenger compartment, ensuring good signal reception.
- Initial Start-up and Testing: After installation, perform an initial start-up and thorough testing of all functions to ensure correct operation and leak-free connections.
Refer to the detailed vehicle-specific installation documentation provided with your kit for precise instructions and diagrams for the Mercedes GLK X204.

Hình ảnh 3.1: Bìa của Webasto installation documentation, specifically for the Mercedes Benz GLK (X204) model, indicating the vehicle-specific nature of the kit.

Hình ảnh 3.2: A page from the Webasto installation documentation for the Mercedes GLK X204, detailing compatible engine types (e.g., 200 CDI, 220 CDI, 250 CDI) and estimated installation time (approx. 11 hours).
4. Hướng dẫn vận hành
Các Webasto Thermo Top Evo 5+ auxiliary heater is controlled using the T91 HTM remote control. This remote allows you to activate and deactivate the heater from a distance.
4.1. T91 HTM Remote Control Functions
- Activation (ON): Press the "ON" button to start the heating process. The remote will provide feedback on the heater's operating status.
- Deactivation (OFF): Press the "OFF" button to stop the heating process.
- Phạm vi: The T91 remote control operates at a distance of up to 1000 meters in optimal conditions.
- Phản hồi trạng thái: The remote control provides visual feedback on the heater's operational status.
The maximum heating duration is 60 minutes, after which the heater will automatically switch off. You can manually switch it off at any time using the remote control.

Hình ảnh 4.1: Các Webasto T91 remote control, featuring clear ON and OFF buttons for easy operation of the auxiliary heater.
4.2. Khả năng tương thích
The T91 remote control is compatible with other Webasto control units, including the Tele Start T100 HTM, the 1533 comfort timer, and the Thermo Call TC 3, allowing for flexible control options.
5. Bảo trì
To ensure the longevity and reliable operation of your Webasto auxiliary heater, regular maintenance is recommended. Please consult the full operating manual for detailed maintenance schedules and procedures.
- Hoạt động thường xuyên: Operate the heater for approximately 10 minutes once a month, even during warmer periods, to prevent components from seizing.
- Chất lượng nhiên liệu: Ensure that the vehicle's fuel tank contains sufficient and appropriate fuel (Diesel) for the heater to operate.
- Kiểm tra trực quan: Periodically check for any visible damage to hoses, wiring, or the exhaust system.
- Dịch vụ chuyên nghiệp: It is advisable to have the heater system inspected by an authorized Webasto service partner at regular intervals, especially before the start of the cold season.
KHAI THÁC. Xử lý sự cố
Nếu bạn Webasto auxiliary heater is not functioning as expected, consider the following common issues before seeking professional assistance:
- Heater does not start:
- Check the vehicle's fuel level. The heater will not operate if the fuel level is too low.
- Hãy đảm bảo bình ắc quy xe có đủ điện.
- Check the remote control battery and replace if necessary.
- Verify that the remote control is within range of the receiver.
- Insufficient heating performance:
- Hãy đảm bảo tất cả các cửa và cửa sổ xe đều được đóng kín.
- Check the vehicle's climate control settings (e.g., fan speed, temperature).
- Âm thanh hoặc mùi bất thường:
- Immediately switch off the heater.
- Do not attempt to repair the unit yourself. Contact an authorized Webasto service partner.
For complex issues or error codes, consult the detailed troubleshooting section in the complete operating manual or contact an authorized Webasto service center.
7. Thông số kỹ thuật
Technical specifications for the Webasto Thermo Top Evo 5+ auxiliary heater:
| Tính năng | Đặc điểm kỹ thuật |
|---|---|
| Nhà sản xuất | Webgiống như là |
| Kiểu mẫu | Thermo Top Evo 5+ |
| Hoạt động Voltage | 12 vôn |
| Công suất định mức | 5.0kW |
| Loại nhiên liệu | Dầu diesel |
| Áp suất làm việc | tối đa Thanh 2.5 |
| Webasto Part No. (Heater) | 9021036C |
| Webasto Part No. (Kit) | 1316617C |
| Số sê-ri | 4C1422195266 |
| Maximum Heating Duration | 60 phút |
| Mô hình điều khiển từ xa | T91 HTM |
| Phạm vi điều khiển từ xa | Lên đến 1000 m |
| Khả năng tương thích của xe | Mercedes GLK X204 (2.0L+ engine) |
| Thời gian cài đặt ước tính | Xấp xỉ 11 giờ |

Hình ảnh 7.1: Chi tiết view của Webasto Thermo Top Evo 5+ heater unit's label, displaying key technical specifications such as model type, operating voltage, rated output, fuel type, working pressure, part number, and serial number.

Hình ảnh 7.2: The product box label for the Webasto kit, showing the material/item number 1316617C, serial number 1422195266, and description as "Scope of Delivery TT-Evo 5+ Water Heater Diesel 12V" for Mercedes-Benz GLK 220/250CDI.
8. Bảo hành và Hỗ trợ
Cái này Webasto product is covered by the manufacturer's warranty. Please retain your proof of purchase for warranty claims. For specific warranty terms and conditions, refer to the documentation included with your product or visit the official Webgiống như là webđịa điểm.
For technical support, service, or warranty inquiries, please contact your authorized Webasto dealer or the point of purchase. Do not attempt to repair the unit yourself, as this may void the warranty and pose safety risks.