Program Description; Acs 255 Operating Modes; Preparations For A/C Service; Configuring The Custom Database - Bosch ACS 255 Original Instructions Manual

en 14 | ACS 255 | Program description
6.

Program description

6.1

ACS 255 operating modes

The software in the ACS 255 provides the following
possibilities for performing vehicle A/C service:
R
Automatic mode - In the automatic mode, all the
phases in the A/C service are executed in sequence
automatically.
R
Manual mode - In the manual mode, only the select-
ed phase is executed. For example, upon selecting
"Recovery", only the recovery phase will be
executed.
6.2

Preparations for A/C service

!
The ACS 255 should not be used for servicing a vehi-
cle A/C system that has been repaired with a chemi-
cal sealant. The sealant could damage the ACS 255
and the vehicle A/C system. Non-compliance invali-
dates the warranty.
Before servicing the vehicle A/C system, execute the
following preparatory procedure:
1. Move the ACS 255 to a flat vibration-free surface
close to the vehicle.
2. Apply the brakes to prevent the ACS 255 from rolling
away.
Caution!
Hot engine parts can cause severe burns to
the hands.
¶
Allow the engine to cool down before
work.
3. Connect the power cable to the mains supply.
4. Turn on the master switch.
6.3

Configuring the custom database

The ACS 255 features a programmable database, to
which a maximum of 50 vehicles can be added. The ve-
hicle model and R134a quantity for the vehicles can be
entered at the workshop.
i
Refer to the vehicle documentation for the service
parameters and other vehicle details.
To configure the custom database:
¶
In the main menu, select ACS Settings >> Custom
Database.
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F 002 DG9 432 2014-12-19
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 custom database are dis-
played.
2. Select the required vehicle and press E.
3. Edit the vehicle details.
4. Press E to confirm.
"
The vehicle details are edited.
6.3.3 Deleting vehicle details from the custom
database
1. Select Delete.
2. Select the required vehicle and press E.
"
The vehicle details are deleted from the custom
database.
6.3.4

Viewing custom database information

It is possible to view the number of vehicles stored and
the number of entries available in the custom database.
¶
To view the custom database information select Info.
"
The number of entries used and the number of entries
available in the custom database are displayed.
6.3.5 Transferring the custom database from one
ACS 255 to another
i
Bosch does not accept any liability for the integrity
of data transferred from an ACS 255 to another.
It is also possible to transfer the entries in the custom
database from an ACS 255 to another. Contact Bosch
customer service.
6.4

Accessing the custom database

1. In the main menu, select "Vehicle A/C Service" >>
"Custom Database" and press E. Alternatively,
press  and select "Custom Database".
2. Select the vehicle and press E. Alternatively, enter
the vehicle model name.
"
The vehicle model and the R134a quantity are dis-
played.
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