SP00D00490 2020-01-08| Robert Bosch GmbH
Instructions for use | ACS 763/863 | 63 en
6.2.4 Unsuccessful refrigerant identifier operation
test
1. If the test determines that the refrigerant identifier
incorporated into the machine is not working
correctly, the display shows
REFRIGERANT
IDENTIFICATION IS FAULTY CONTACT THE
APPLIANCE MANUFACTURER SERVICE PRESS OK
TO END
2. Select to end the function.
3. The display shows DISCONNECT THE A/C UNIT
AND DRAIN THE SERVICE HOSES PRESS OK AT
THE END OF THE OPERATION
4. Disconnect the high and low pressure connections
from the external refrigerant cylinder or from the
vehicle.
5. Drain the service hoses.
6. Select
.
7. The station will cancel the required function.
i Contact an authorized Bosch service center for
repair.
6.2.5 Removing contaminated refrigerant from the
station
The refrigerant in the source tank or in the vehicle A/C
system is either contaminated or it is not R1234yf.
In either case, it should not be added to the internal
storage vessel in the station.
The contaminated refrigerant sampled by the station
refrigerant identifier must be removed.
1
Fig. 17: Removing contaminated refrigerant
1 Contaminated refrigerant recovery outlet
Procedure of contaminated refrigerant removal
through a second dedicated recovery station for the
management of contaminated refrigerants
1. With the station connected to the vehicle and the
couplers open, connect the low-side (blue) coupler
from the second recovery station to the contaminant
recovery port on the station.
2. Open the coupler valves.
3. Connect the discharge hose from the second
recovery machine to a tank designed to receive
contaminated refrigerant.
4. Start the second recovery station and run a recovery
according to instructions supplied with the station.
5. Upon achieving a vacuum in the vehicle, disconnect
the second recovery station from the station.
6. Clear the vehicle of residual contamination
according to the vehicle manufacturer’s instructions
before continuing service.
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