Bosch ACS 255 Original Instructions Manual

A/c service unit
Table of Contents

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ACS 255
en Original instructions
A/C service unit

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Table of Contents
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Summary of Contents for Bosch ACS 255

  • Page 1 ACS 255 en Original instructions A/C service unit...
  • Page 3: Table Of Contents

    Editing vehicle details in the custom database 6.3.3 Deleting vehicle details from the custom database 6.3.4 Viewing custom database information 14 6.3.5 Transferring the custom database from one ACS 255 to another Accessing the custom database Bosch Limited F 002 DG9 432 2014-12-19...
  • Page 4: Symbols Used

    4 | ACS 255 | Symbols used Symbols used On the product In the documentation Observe all warning notices on products and ensure 1.1.1 Warning notices - Structure and meaning they remain legible. Warning notices warn of dangers to the user or people in the vicinity.
  • Page 5: User Information

    Bosch. eyes do not hurt. Warranty Before the ACS 255 is connected to the vehicle A/C Any use of non-approved hardware and software will system or to an external refrigerant tank, ensure that result in a modification to our product and thus to the quick couplers do not leak.
  • Page 6: Safety Devices

    Do not invert the ACS 255. Tripping curve There are no additional safety provisions for protect- ing the ACS 255 unit against damage in the event of Safety devices natural calamities like earthquakes, fires, floods etc. Except for maintenance work, do not remove any...
  • Page 7: Product Description

    A/C systems in manual or automatic mode: Refrigerant recovery Oil recharge Vacuuming and leak tests Refrigerant recharge The ACS 255 should be used with car A/C systems that use R134a. Delivery specification Description ACS 255 Hose - HP...
  • Page 8: Human Machine Interface (Hmi)

    Description  Function keys, The function keys are assigned various func- tions in the ACS 255 software. The functions of the keys are specified in the soft key bar of the ACS 255 software. o or u Navigate up or down...
  • Page 9: Quick Couplers

    To detach the fresh oil bottle, pull the connector 3.3.5 Brakes (Fig. 3, Pos. 1) slightly downwards and pull down the The ACS 255 can be prevented from rolling away by ap- bottle. plying brakes (Fig. 2, Pos. 6) on the rear wheels. 3.3.6...
  • Page 10: Commissioning

    1. Remove the transport packaging. 2. Remove the components placed beneath the ACS 255. 3. Move the ACS 255 out of the packaging palette. 4. Disconnect the power cable from the power inlet. Do not disconnect electrical connections or tamper with the internal components.
  • Page 11: Powering On The Acs 255

    Powering on the ACS 255 1. Move the ACS 255 to a flat, vibration-free surface. 2. Apply the brake to prevent the unit from rolling away. 3. Connect the power cable to the power inlet of the ACS 255.
  • Page 12: Filling The Internal Refrigerant

    4. Connect the adapter to the connection on the external refrigerant tank. 5. Connect the HP quick coupler of the ACS 255 to the connecting adapter on the external refrigerant tank. 6. Open shut off valves on the external refrigerant tank.
  • Page 13: Troubleshooting

    5007 R134A RECHARGE - Perform Perform vacuuming. Vacuuming R Allow the unit to cool for 30 minutes and switch on the ACS 255. Try recovery/ 7100 Safety Switch - SS shutdown hose drain. R Check if the blue knob on the refrigerant tank is closed. Open the blue knob If it is closed.
  • Page 14: Program Description

    2. Select the required vehicle and press E. 3. Edit the vehicle details. 4. Press E to confirm. The ACS 255 should not be used for servicing a vehi- " cle A/C system that has been repaired with a chemi- The vehicle details are edited.
  • Page 15: Automatic Mode

    Program description | ACS 255 | 15 Automatic mode 6.5.3 Setting custom parameters 6.5.1 Overview of automatic mode Serviços em modo automático podem ser realizados Once set, custom parameters are valid only for a das seguintes maneiras: single service. Seleção do veículo a partir do banco de dados per- sonalizado Before starting the service, refer to chapter 6.2.
  • Page 16: Recovery

    16 | ACS 255 | Program description The default values of the parameters in each stage are Use oil grade specified by the vehicle manufacturer. listed in the following table: Use only new oil to replace the oil removed during the recovery process.
  • Page 17: Additional Services

    Program description | ACS 255 | 17 Additional services 3. Turn the HP/LP quick couplers in the counterclock- wise direction and disconnect from the service con- 6.8.1 Refrigerant top up nections on the vehicle A/C system. 4. Press . If there is a decrease in the quantity of refrigerant in 5.
  • Page 18: Maintenance

    F 002 DG1 544 5. Disconnect the power cable from the power inlet. 6. Disconnect the fresh oil bottle and the used oil bottle. Contact your local Bosch dealer for ordering spare 7. Open the front panel. and wearing parts.
  • Page 19: Replacing The Filter Drier

    7. Cut the cable ties (Fig. 9, Pos. 3, 4) that bind the The filter drier removes the moisture and suspended filter drier to the bracket of the ACS 255. particulate matter from the refrigerant. It is recom- mended to change the filter drier after the specified Use a suitable spanner to unfasten or fasten the duration of usage.
  • Page 20: Self Test

    9. Connect the HP and LP hoses to the inline filters. " You have successfully replaced the inline filters. Self test When the ACS 255 is powered on, a self test is initiated automatically. It is also possible to trigger the self test manually. ¶...
  • Page 21: Decommissioning

    Decommissioning | ACS 255 | 21 Decommissioning Technical data Disposal of electronic items Property Value/Range Operating voltage 230 V ± 10 % Frequency 50 / 60 Hz This product is subject to European guidelines Refrigerant R134a 2002/96/EG (WEEE). R134a scale...
  • Page 24 Bosch Limited P.B. No.3000, Hosur Road, Bangalore 560 030 INDIA www.boschindia.com Mailbox.service2@in.bosch.com F 002 DG9 432 | 2014-12-19...

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