1. Introduction
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Webasto Air Top 2000 STC Petrol Gasoline Heater Kit 12V. This kit includes the heater unit, the Digital Multi Control HD 7 Day Timer Controller, and a flat mounting plate, designed to provide reliable heating for various applications. Please read this manual thoroughly before installation and use.
2. Safety Instructions
Adherence to these safety instructions is crucial to prevent personal injury and damage to the heater or vehicle.
- Professional Installation: Installation of this heating system should only be performed by qualified personnel or an authorized Webasto service partner. Incorrect installation can lead to dangerous situations, including fire or carbon monoxide poisoning.
- Fuel Handling: Exercise extreme caution when handling gasoline. Ensure adequate ventilation and avoid open flames or sparks during fuel line installation and maintenance.
- Exhaust System: Ensure the exhaust system is properly sealed and routed to the outside of the vehicle, away from any air intakes or living spaces, to prevent the ingress of exhaust fumes.
- Ventilation: Ensure sufficient fresh air supply to the combustion air intake and adequate ventilation for the heated space.
- Electrical Connections: All electrical connections must be secure and protected against moisture and mechanical damage. Use appropriate fuses as specified by Webasto.
- Flammable Materials: Do not store or place flammable materials near the heater or its exhaust system.
- Maintenance: Regular maintenance and inspections are necessary to ensure safe and reliable operation. Refer to the maintenance section for details.
3. Package Contents
The Webasto Air Top 2000 STC Petrol Gasoline Heater Kit 12V typically includes the following components. Please verify all items are present upon unboxing.
Image 3.1: Overview of the Webasto Air Top 2000 STC Petrol Gasoline Heater Kit 12V components. This image displays the main heater unit, the Digital Multi Control HD controller, various hoses (exhaust, intake, fuel), wiring harnesses, a fuel pump, a fuel standpipe, and mounting hardware including a flat mounting plate.
- Webasto Air Top 2000 STC Heater Unit (Petrol/Gasoline, 12V)
- Digital Multi Control HD 7 Day Timer Controller (Model 9030910A)
- Fuel Pump
- Fuel Line and Fuel Standpipe
- Exhaust Hose and Silencer
- Combustion Air Intake Hose
- Wiring Harnesses
- Flat Mounting Plate
- Various Clamps, Connectors, and Fasteners
- Documentation (Installation Instructions, User Manual)
4. Setup and Installation
Proper installation is critical for the safe and efficient operation of your Webasto heater. It is strongly recommended that installation be carried out by a certified technician or an authorized Webasto service center.
4.1. Planning the Installation Location
Consider the following factors when selecting a mounting location:
- Accessibility: Ensure the heater is accessible for maintenance and service.
- Clearances: Maintain adequate clearance around the heater for air circulation and to prevent heat damage to surrounding materials. Refer to the dimensions diagram below.
- Fuel Supply: The heater requires a direct connection to the vehicle's fuel tank or a separate fuel tank.
- Exhaust Routing: The exhaust pipe must be routed safely to the outside, away from living spaces, windows, and air intakes.
- Electrical Supply: The heater requires a 12V DC power supply. Ensure the wiring is correctly sized and fused.
Image 4.1: Technical diagram illustrating the dimensions and connection points of the Webasto Air Top 2000 STC heater unit. Key elements shown include the hot air inlet (1), hot air outlet (2), combustion air intake (3), exhaust fume outlet (4), fuel intake (5), space requirement for hot air inlet (6), space requirement for removing the heater (7), and cable outlet (8).
4.2. General Installation Steps (Summary)
- Mount the heater unit securely using the provided flat mounting plate.
- Connect the fuel line from the fuel tank to the fuel pump, and from the fuel pump to the heater.
- Install the exhaust hose, ensuring it is properly sealed and routed.
- Connect the combustion air intake hose.
- Connect the electrical wiring harness to the 12V power supply and the heater unit.
- Connect the Digital Multi Control HD controller to the wiring harness.
- Perform a functional test according to the detailed installation manual.
Note: This is a summary. Always refer to the comprehensive installation manual included with your kit for detailed, step-by-step instructions specific to your heater model and application.
5. Operating Instructions
The Webasto Air Top 2000 STC is controlled by the Digital Multi Control HD 7 Day Timer Controller, offering precise temperature management and programmable heating schedules.
Image 5.1: Angled and front views of the Webasto Digital Multi Control HD controller. This controller features a digital display, a rotary knob for navigation and selection, and a power button, allowing users to manage heater settings and programming.
5.1. Basic Operation
- Turning On: Press the power button on the controller. The display will illuminate, and the heater will begin its start-up sequence.
- Setting Temperature: Use the rotary knob to navigate to the temperature setting. Turn the knob to adjust the desired temperature. Press the knob to confirm.
- Turning Off: Press the power button again. The heater will enter a cool-down phase before completely shutting down. Do not disconnect power during the cool-down phase.
5.2. Advanced Functions (7-Day Timer)
The Digital Multi Control HD allows you to program heating times for up to 7 days. Refer to the controller's specific user manual for detailed instructions on setting schedules, boost functions, and diagnostic features.
6. Maintenance
Regular maintenance ensures the longevity and safe operation of your Webasto heater.
- Annual Inspection: It is recommended to have the heater inspected annually by an authorized Webasto service partner.
- Cleaning: Keep the heater unit and its air intakes free from dirt, dust, and debris. Do not use harsh chemicals for cleaning.
- Exhaust System: Periodically check the exhaust pipe for any damage, blockages, or leaks. Ensure all connections are secure.
- Fuel System: Inspect fuel lines for leaks or damage. Ensure the fuel filter (if installed) is clean.
- Electrical Connections: Verify that all electrical connections are tight and free from corrosion.
- Air Ducts: Ensure hot air ducts are clear and unobstructed.
7. Troubleshooting
If your Webasto heater experiences issues, consult the following basic troubleshooting guide. For complex problems or error codes displayed on the controller, refer to the detailed troubleshooting section in the full user manual or contact an authorized service center.
- Heater Fails to Start:
- Check the 12V power supply and fuse.
- Ensure there is sufficient fuel in the tank.
- Verify all electrical connections are secure.
- Check for error codes on the Digital Multi Control HD.
- Low Heat Output:
- Ensure air intake and hot air outlets are not obstructed.
- Check the set temperature on the controller.
- Verify fuel quality and supply.
- Excessive Smoke/Odor:
- Immediately shut down the heater.
- Check the exhaust system for leaks or blockages.
- Contact an authorized service partner for inspection.
8. Specifications
Key technical specifications for the Webasto Air Top 2000 STC heater.
Image 8.1: Detailed technical specifications table for the Webasto Air Top 2000 ST B (Petrol) and Air Top 2000 ST D (Diesel) models. This table provides information on heat output, fuel types, fuel consumption, rated voltage, operating voltage range, rated power consumption, maximum combustion air inlet temperature, adjustment range for interior temperature, delivery rate for hot air, heater dimensions, and weight.
| Feature | Specification |
|---|---|
| Model | Air heater with evaporator burner |
| Heat Output (Control Range) | 1.0 - 2.0 kW |
| Fuel | Petrol (EN 228, DIN 51625) |
| Fuel Consumption (Control Range) | 0.1 - 0.2 kg/h (0.14 - 0.27 l/h) |
| Rated Voltage | 12 V |
| Operating Voltage Range | 10.5 - 16 V |
| Rated Power Consumption (Control Range) | 14 - 29 W |
| Maximum Combustion Air Inlet Temperature | -40 to +20 °C |
| Adjustment Range for Interior Temperature | +5 to +35 °C |
| Delivery Rate for Hot Air (at 0.5 mbar, 4750 rpm) | max. 93 m³/h |
| Heater Dimensions (Length x Width x Height) | 311 ± 2 mm x 120 ± 1 mm x 121 ± 1 mm |
| Weight | 2.6 kg |
| Package Dimensions | 21.4 x 14.9 x 6 inches |
| Item Weight (Kit) | 14.82 pounds |
| Date First Available | August 30, 2019 |
9. Warranty and Support
For warranty information, please refer to the specific warranty documentation provided with your Webasto Air Top 2000 STC kit or visit the official Webasto website. Warranty terms and conditions may vary by region and seller.
If you require technical assistance, spare parts, or service, please contact an authorized Webasto service partner or the retailer from whom you purchased the product. Ensure you have your product model and serial number available when seeking support.
