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Bosch ACS 251 - User Manual

Bosch ACS 251
24 pages
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ACS 251
en
Original instructions
A/C service unit

Table of Contents

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Bosch ACS 251 Specifications

General IconGeneral
BrandBosch
ModelACS 251
CategoryService Equipment
LanguageEnglish

Summary

Symbols Used

In the Documentation

Explains the meaning and structure of warning notices and symbols within the manual.

On the Product

Details warning notices and symbols displayed directly on the A/C service unit itself.

User Information

User Group

Defines the skilled and instructed personnel authorized to use the A/C service unit.

Agreement

Outlines copyright, liability, and warranty conditions for using the product.

Obligation of Contractor

Details the contractor's responsibility for safety measures and proper equipment setup.

Safety Instructions

Provides critical safety guidelines for handling refrigerants, vapors, and connecting the unit.

Safety Devices

Explains the function of safety devices like pressure switches, safety valves, and fuses.

Product Description

Application

Outlines the basic services the ACS 251 performs for passenger car A/C systems.

Delivery Specification

Lists all components and items included with the ACS 251 unit.

Description of Unit

Details the physical components and parts of the ACS 251 unit.

Description of Function

Explains the core functions performed by the ACS 251, such as recovery, vacuuming, and recharging.

Commissioning

Removing the Transport Packaging

Steps to safely unpack and prepare the ACS 251 unit for initial use.

Before Turning on for the First Time

Procedures to follow before powering on the ACS 251 for the initial operation.

Powering on the ACS 251

Instructions for connecting power and starting the ACS 251 unit.

ACS Settings

Configuration options for the ACS 251, including automode service parameters.

Filling the Internal Refrigerant Tank

Procedure for filling the internal refrigerant tank with R134a before operation.

Viewing System Information

How to access and view system information, software version, and serial numbers.

Troubleshooting

Program Description

ACS 251 Operating Modes

Explains the automatic and manual modes for performing A/C service.

Preparations for A;C Service

Outlines essential preparatory steps before servicing a vehicle's A/C system.

Configuring the Custom Database

Details how to manage a custom database of vehicles for the ACS 251.

Accessing the Custom Database

Steps to access and select vehicles from the custom database for service.

Automatic Mode

Explains how to perform A/C service in automatic mode using custom or preset parameters.

Setting Custom Parameters

Describes how to set specific parameters for a single automatic mode service.

Manual Mode

Explains how to perform A/C service by selecting individual phases in manual mode.

Performing Service in Manual Mode

Step-by-step guide for executing service phases using the manual mode.

Refrigerant Top Up

Procedure for adding refrigerant when the level is low.

Hose Drain

Instructions for draining residual refrigerant from hoses after service.

A;C Performance Test

Guide for testing the performance of the vehicle's A/C system.

Maintenance

Spare and Wearing Parts

Lists necessary spare parts and wearing parts for the ACS 251.

Refilling the Refrigerant Tank

Refers to chapter 4.5 for instructions on refilling the internal refrigerant tank.

Service Record

How to view records of past services, self-tests, and errors.

Vacuum Pump Oil Change

Procedure for changing the vacuum pump oil based on operating hours.

Replacing the Filter Drier

Step-by-step guide for replacing the filter drier unit.

Replacing the Inline Filters

Instructions for changing the inline filter inserts within the unit.

Self Test

How to initiate and interpret the automatic and manual self-test results.

Firmware Update

Procedure for updating the ACS 251 firmware using a USB disk.

Decommissioning

Disposal of Electronic Items

Guidelines for the proper disposal of electronic components according to WEEE.

Disposal of LCD Display, Refrigerants, Lubricants and Oils

Instructions for disposing of specific materials like LCDs, refrigerants, and oils.

Disposal of Filter Drier

How to dispose of the filter drier according to local regulations.

Electromagnetic Compatibility (EMC)

Information on the unit's compliance with EMC standards.

Technical Data

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