Bosch ACS 251, Original Instructions Manual, Page: 15 / 24

F 002 DG9 425 2014-03-20
|
Bosch Limited
Program description | ACS 251 | 15 en
6.4 Accessing the custom database
1. In the main menu, select " A/C Services " and press
E . Alternatively, press the AUTO button on the
keypad.
i
If you press the AUTO button, skip to step 3.
2. Select " Automatic Mode " and press E .
3. Select " Custom DB " and press E .
4. Select the vehicle and press E . Alternatively, enter
the vehicle model name.
"
The vehicle model and the R134a quantity are dis-
played.
6.5 Automatic mode
6.5.1 Overview of automatic mode
Automatic mode service can be performed in any of the
following ways
:
R
Selecting the vehicle from the custom database
R
Setting custom parameters
6.5.2 Selecting the vehicle from the custom data-
base
!
Use only new oil to replace the amount removed dur-
ing the recovery process. Used oil should be discard-
ed as per applicable regulations.
i
Before starting the service, refer to chapter 6.2.
1. Execute the procedure in chapter 6.4 to access the
vehicle database.
2. Press E .
 The automode parameters are displayed.
i
To change the automode parameters, refer to
chapter 4.4.
3. Check the type of service connection on the vehicle
A/C system.
!
Do not use any tools to tighten the couplers.
4. Connect the appropriate coupler/s to the service
connection on the vehicle A/C system.
5. Press E .
 The service begins in the automatic mode. Each
phase is executed automatically. After the ser-
vice is complete, the
Hose Drain menu is dis-
played.
6. Turn the HP/LP quick couplers in the counterclock-
wise direction disconnect from the service connec-
tions on the vehicle A/C system.
7. Press

.
8. Press

to start draining refrigerant from the
hoses.
 Once the refrigerant is drained, a summary
screen is displayed.
"
The servicing of the vehicle A/C system is complete.
6.5.3 Setting custom parameters
i
Once set, custom parameters are valid only for a
single service.
i
Before starting the service, refer to chapter 6.2.
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 applicable regulations.
1. In the main menu, select " A/C Services " and press
E . Alternatively, press the AUTO button on the
keypad.
i
If you press the AUTO button, skip to step 3.
2. Select " Automatic Mode " and press E .
3. Select " Custom Parameter " and press E .
 The AUTOMODE PARAMETER screen is dis-
played.
i
To change the automode parameters, refer to
chapter 4.4.
4. Check the type of connection on the vehicle
A/C system.
5. Connect the appropriate coupler/s to the service
connection on the vehicle A/C system.
!
Do not use any tools to tighten the couplers.
6. Press E .
 The service begins in the automatic mode. Each
phase is executed automatically. After the service
is complete, the
Hose Drain menu is displayed.
7. Turn the HP/LP quick couplers in the counterclock-
wise direction disconnect from the service connec-
tions on the vehicle A/C system.
8. Press

.
9. Press

to start draining the refrigerant from the
hoses.
 Once the refrigerant is drained, a summary screen
is displayed.
"
The servicing of the vehicle A/C system is complete.