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Webasto AT2000STC User Manual

Webasto AT2000STC
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AirTopInstallationGuide‐AT2000STC
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Webasto AT2000STC Specifications

General IconGeneral
Fuel TypeDiesel
Voltage12V
Heater TypeAir
Heating Power/Capacity2.0 kW
ControlDigital Timer

Summary

General Information

Air Top Heater Purpose

Explains the intended use of the Air Top 2000STC heater for various vehicle cabins.

Pre-Installation Considerations

Heater Placement and Airflow

Covers optimal location, ducting length, and return vent requirements for the heater.

Component Installation Locations

Details positioning for electrical, fuel, exhaust, and combustion air systems.

Electrical & Fuel System Prep

Guides on fuse usage, battery connection, and fuel source selection.

Serial Number Labeling & Tips

Installation Site Survey

Recommends loosely attaching the heater for layout predetermination and easy access.

Label Placement Guidelines

Specifies correct placement of serial number labels for accessibility and warranty validation.

Mounting Dimensions and Bracket

Floor Mounting Bracket Specifications

Presents dimensions and an image of the floor mounting bracket for proper installation.

Step-by-Step Installation Process

Heater to Bracket Assembly

Details attaching the heater to the mounting bracket using the gasket and supplied hardware.

Combustion Air Intake Setup

Exhaust System Installation

Electrical System Wiring

Main Harness Connections

Explains the main harness, fuse holder, and battery connections essential for heater operation.

Electrical Components and Fusing

620 Ohm Resistor Integration

Details connecting the 620 Ohm resistor for temperature sensing to prevent error codes.

Fuse Requirements and Types

Explains fuse types (F1, F2) and their correct amperage for heater and controller power.

Fuel Pump and Controller Wiring

Fuel Pump Harness Connection

Guides on connecting the 7m fuel pump harness to the pump and wiring loom.

Control Unit Installation

Explains installing the multi-control or rotary controller in a suitable, accessible location.

Fuel System Installation Details

Fuel Pump Mounting and Resonance Reduction

Describes installing the fuel pump with bracket, clamp, and elbow to minimize vibration.

Fuel Sourcing and Filtering

Fuel Stand Pipe Installation

Details fitting the fuel stand pipe into the tank, ensuring correct length and positioning.

Genuine Fuel Filter Placement

Explains installing the fuel filter between the fuel source and pump for combustion purity.

Fuel Line Connection Guidelines

Heater Ducting Layouts

Single Outlet Configuration

Illustrates a single hot air outlet ducting setup for efficient heat distribution.

Twin Outlet Configuration

Shows a twin outlet ducting setup, including Y-junction and air outlets.

Heater Enclosure and Airflow Management

Initial Heater Startup Procedures

Startup Sequence and Operation

Describes the startup sequence, audible cues, and initial hot air delivery.

Correct Heater Shutdown

Explains the proper method to turn off the heater via the controller, not main power supply.

Fuel Line Bleeding Tip

Provides a method for bleeding the fuel line and troubleshooting F01 fault codes.

Complete Installation Diagram

Heater Reset Procedures

Controller Reset Process

Details the procedure to reset the controller, involving fuse removal and power cycling.

Digital Controller Setup and Use

Initial Controller Configuration

Guides through the initial setup, including selecting the heater model and setting the current time/day.

First-Time Heater Activation

Explains the process for selecting the heater and setting the current day and time.

Manual Reset for Digital Controller

Programmable Timer Functions

Setting Up Timer Schedules

Details programming up to 3 daily timers (21 weekly) for automatic heater operation.

Advanced Controller Features

Altitude Function Control

Explains how to activate and deactivate the altitude function for operation at higher elevations.

Preventive Maintenance Guidelines

Fault Code Diagnosis Basics

Identifying Flash Fault Codes

Instructs how to identify fault codes by counting slow flashes on the rotary control indicator.

Heater Flashing Fault Code Directory

Fault Codes F00 to F11

Lists fault codes, messages, details, and recommended troubleshooting for common heater errors.

Heater Flashing Fault Code Directory (Cont.)

Fault Codes F12 to F15

Details fault codes F12 through F15, including their causes and recommended remedies.

Digital Multi-Control Fault Codes

Fault Codes 00 to 11 (HEX)

Explains fault codes displayed on the digital multi-control, with messages and required actions.

Digital Multi-Control Fault Codes (Cont.)

Fault Codes 12 to 1A (HEX)

Lists fault codes 12 through 1A for the digital multi-control, with causes and solutions.

Digital Multi-Control Fault Codes (Cont.)

Helpful YouTube Tutorial Links

Provides links to YouTube tutorials for heater setup, operation, and troubleshooting assistance.

Digital Controller Error Reference

Controller Error Code Explanations

Lists digital controller error codes, their descriptions, and recommended fault remedies.

Optional Installation Parts List

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