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Bosch ACS 653 User Manual

Bosch ACS 653
120 pages
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en
Repair instruction
A/C Service Unit
ACS 653 - ACS 653-P - ACS 663 - ACS 663-P
ACS 663-RI

Table of Contents

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Bosch ACS 653 Specifications

General IconGeneral
RefrigerantR134a
TypeAir Conditioner
Power220-240V, 50Hz
Air DeliveryNot applicable
Noise Level< 70 dB(A)
Operating ModesAutomatic and Manual

Summary

Safety Warnings

Explanation of Safety Signal Words

Defines safety signal words (DANGER, WARNING, CAUTION) and their meanings.

Explanation of Safety Decals

Explains the meaning of various safety decals used on the machine.

Target group

Service technician qualifications

Outlines the required training and qualifications for service technicians.

Introduction

Control Panel Functions

Explains the functions of the control panel buttons and keys.

Setup Menu

Guides through the initial setup procedure for the machine.

Unit Specifications

Provides detailed technical specifications for the machine models.

Maintenance Schedule

Outlines the recommended maintenance tasks and intervals.

General Maintenance

Tank Fill

Details the procedure for transferring refrigerant from a source tank.

Filter Maintenance

Replace the Filter

Step-by-step instructions for replacing the filter.

Vacuum Pump Maintenance

Calibration Check

Offset Failure

Describes calibration failure related to offset.

Slope Failure

Describes calibration failure related to slope.

Pressure Decay Leak Test

Lockout

Refrigerant R134a to R1234yf conversion kit

Unit Specifications

Maintenance Schedule

Diagnostics and Testing

Functional Check

Guides on performing a functional check of the unit.

Recover Function

Details the procedure for recovering refrigerant from an A/C system.

Charge Function

Explains how to charge the vehicle A/C system with refrigerant.

Service Center Menu

Accesses advanced diagnostic and configuration options.

Depressurizing the Unit

Unit is Functional

Procedure for depressurizing a functional unit.

Unit is Not Functional

Procedure for depressurizing a non-functional unit.

Troubleshooting

Grounding, Noise, and Power Issues

Addresses issues related to grounding, electrical noise, and power supply.

Will Not Power-Up, No Display

Troubleshooting steps for when the unit does not power on.

Fails Leak Test

Troubleshooting steps for when the leak test fails.

Compressor Troubleshooting

Troubleshooting steps for compressor issues.

Error Messages

Electrical System Operation and Repair

Power Board and Power Supply Operation

Explains the operation of the power board and power supply.

Control Board Operation

Explains the function and operation of the control board.

Replacement Power Board

Instructions for replacing the power board.

Plumbing and Mechanical System Operation and Repair

Compressor

Details the compressor component and its function.

Vacuum Pump

Details the vacuum pump component and its function.

Replacement Compressor

Instructions for replacing the compressor.

Replacement Vacuum Pump

Instructions for replacing the vacuum pump.

Component Application Charts

Flow Diagrams

Parts and Components

Notes

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