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Summary of Contents for ACS 255

Page 1: ...ACS 255 en Original instructions A C service unit ...

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Page 3: ...icle details in the custom database 14 6 3 3 Deleting vehicle details from the custom database 14 6 3 4 Viewing custom database information 14 6 3 5 Transferring the custom database from one ACS 255 to another 14 6 4 Accessing the custom database 14 6 5 Automatic mode 15 6 5 1 Overview of automatic mode 15 6 5 2 Selecting the vehicle from the custom database 15 6 5 3 Setting custom parameters 15 6...

Page 4: ...ot observed DANGER Immediate impending danger Death or severe injury WARNING Possible impending danger Death or severe injury CAUTION Possible dangerous situation Minor injury 1 1 2 Symbols in this documentation Symbol Designation Explanation Attention Warns about possible property dam age i Information Practical hints and other useful in formation 1 2 Multi step operation Instruction consisting o...

Page 5: ... render null and void all warranty claims 2 3 Obligation of contractor The contractor is obliged to ensure that all measures geared towards the prevention of accidents industrial diseases labor related health risks are taken and mea sures towards making the workplace fit for people to work in are carried out The contractor is bound to ensure that all electrical equipment and operating material is ...

Page 6: ...The ACS 255 must always be transported in a verti cal position Do not invert the ACS 255 R R There are no additional safety provisions for protect ing the ACS 255 unit against damage in the event of natural calamities like earthquakes fires floods etc R R Except for maintenance work do not remove any pressurized equipment inside the ACS 255 unit Adhere to the national laws or regula tions for ensu...

Page 7: ...car A C systems that use R134a 3 2 Delivery specification Description ACS 255 Hose HP Hose LP Quick coupler HP Quick coupler LP Can assembly Used oil Can assembly Fresh oil Operating instructions Adapter for filling internal refrigerant tank 3 3 Description of unit 459897_ 159Nkv 1 2 3 4 5 6 7 8 9 11 14 12 13 10 15 Fig 1 Front view 1 Handle x 2 2 HP gauge 3 Status and warning light 4 LP gauge 5 LC...

Page 8: ...s can be done via the keypad The alphanumeric input keys can be used to enter letters and special characters in input fields In an input field pressing a key several times in succession displays all the characters it can be used for upper case letters special characters i i The alphabetical entries can be made in upper case only Keys Description c Function keys The function keys are assigned vario...

Page 9: ...e coupler To attach the coupler to the service connection on the vehicle A C system place the coupler on the service connection and pull back the knurled portion of the coupler Press gently 3 3 5 Brakes The ACS 255 can be prevented from rolling away by ap plying brakes Fig 2 Pos 6 on the rear wheels 3 3 6 Power cable and master switch The power cable is connected to the inlet and then to the mains...

Page 10: ...el 3 Red and blue knobs 5 Open the rear panel Fig 5 Pos 2 6 Ensure that the red and blue knobs on the refriger ant tank are open 7 Close the rear panel 4 2 Before turning on for the first time 1 Remove the hoses HP and LP couplers from the packaging box 2 Apply the brakes on the rear wheels 3 Open the front panel 4 Open the screw cap of the vacuum pump Fig 6 Pos 1 1 2 45989 7_115 Nkv 3 4 Fig 6 Fil...

Page 11: ...o 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 4 Connect the power cable to the mains supply i i Refer chapter 9 for the specifications of power supply 5 Turn on the master switch The self test is initiated automatically After the self test is complete the Date and Time screen is displayed i i When...

Page 12: ...pressure of the external refrigerant tank is displayed on the HP manometer 7 Connect the power cable to the mains supply 8 Turn on the master switch 9 In the main menu select Vehicle A C Service Additional Services Internal Bottle Fill Alter nately press c and select Additional Services Internal Bottle Fill i i To ensure reliable operation it is recommended to use the optimum refrigerant quantity ...

Page 13: ...Contact customer service if the problem persists 7302 PS Sensor failure R R Contact customer service R R For error messages 7501 7502 7503 8000 and C001 contact customer ser vice 9102 FACTORY SETTING Not Complete R R Self test failed See the self test report and take corrective action A101 TANK FILL Service Timeout Check for blockage in the A103 TANK FILL Internal Tank full R R Weight limit reache...

Page 14: ...s and other vehicle details To configure the custom database In the main menu select ACS Settings Custom Database 6 3 1 Adding new vehicle details to the vehicle database 1 Select New 2 Enter the following details Model name R134a quantity 3 Press E to confirm The vehicle details are added to the custom database 6 3 2 Editing vehicle details in the custom database 1 Select Edit The vehicles in the...

Page 15: ... The servicing of the vehicle A C system is complete 6 5 3 Setting custom parameters i i Once set custom parameters are valid only for a single service i i Before starting the service refer to chapter 6 2 i i Refer to the vehicle specific documentation for the A C service parameters Use only new oil to replace the amount removed dur ing the recovery process Used oil should be discard ed as per app...

Page 16: ... only new oil to replace the oil removed during the recovery process Used oil should be discarded as per local regulations 6 6 5 Recharge phase In the recharge phase the following parameters can be set R R Refrigerant quantity R R Hose selection HP hose LP hose HP and LP hoses 6 7 Performing service in manual mode Use only new oil to replace the amount removed dur ing the recovery process Used oil...

Page 17: ...tity of refriger ant is left in the hoses It is necessary to drain the re frigerant from the hoses 1 In the main menu select Vehicle A C Service Additional Services Alternatively press c and select Additional Services 2 Select Hose Drain and press E The Hose Drain menu is displayed 3 Turn the HP LP quick couplers in the counterclock wise direction and disconnect from the service con nections on th...

Page 18: ...messages 7 4 Vacuum pump oil change The vacuum pump oil needs to be changed after every 60 hours of operation When it is time to change the vacuum pump oil the message Replace Vacuum Pump Oil is displayed 1 Perform hose drain refer chapter 6 8 2 2 Disconnect the HP and LP hoses from the respective connectors 3 Turn off the master switch 4 Disconnect the power cable from the mains supply 5 Disconne...

Page 19: ...cket of the ACS 255 i i Use a suitable spanner to unfasten or fasten the nuts 8 Hold the filter drier firmly and loosen the fastening nuts Fig 9 Pos 1 5 9 Detach the filter drier Fig 9 Pos 2 10 Connect the new filter drier Ensure that the O rings are present at the mating part of the filter Ensure that you tighten the fastening nut only after ensuring that the threads of the filter drier are en ga...

Page 20: ...ters You have successfully replaced the inline filters 7 7 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 In the main menu select ACS Maintenance Self Test Press E The self test is initiated i i If the self test fails contact customer service 7 8 Firmware update i i Updating the firmware does not affect the cust...

Page 21: ...no longer be used must be hand ed over to the gas suppliers for disposal The lubricants and oils recovered from the A C systems must be handed back to the designated return points 8 3 Disposal of filter drier Dispose the filter drier through the designated return points or in accordance with local regulations 8 4 Electromagnetic compatibility EMC This product is compliant with EN 61000 6 2 and EN6...

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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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