Calibration Check Kit Installation (Optional); Refrigerant Conversion Kit - Bosch ACS 553 Service Manual

Introduction
Calibration check kit installation
(optional)
For the magnet installation, refer to Figure 1-10.
1. Plug the magnet (1) within the housing
underneath the machine base.
For fix the calibration weight, refer to
"Calibration check" in this section.
1
Figure 1-10. Calibration check kit installation
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ACS 553, ACS 563 Service Manual

Refrigerant conversion kit

WARNING: Disconnect the unit from
the power source before beginning
service work. Incorrect use or
connections can cause electrical
shock.
WARNING: Wear safety goggles
when working with refrigerants.
Refrigerants can cause eye injury.
WARNING: Use extreme caution
w h e n d i s c o n n e c t i n g h o s e s .
Pressurized refrigerant may be
present in hoses. Point hoses away
from you and anyone nearby.
For the conversion kit installation follow
instructions hereby:
1. Call up the Main Menu.
2. Select NEXT icon.
3. Select MENU icon.
4. Select Maintenance
enter password then select OK icon.
5. Select AC unit emptying and select OK
icon to start the function.
NOTE: To empty the A/C unit make use of a
second recovery machine with same refrigerant
and suitable free capacity.
6. Connect the two A/C units as indicated on
display. Turn on the recovery unit and select
OK icon.
7. Start the recovery function from the recovery
unit.
NOTE: In case of recovery machine without
deep-recovery capabilities, perform vacuum for
definitive emptying.
8. Disconnect the recovery machine and
connect hoses as indicated at display.
9. Select OK icon to start the vacuum function.
NOTE: The A/C unit can move to the second
step "Convert unit refrigerant" only if previous
"AC unit emptying" has been completed
successfully.
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Service menu and
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Robert Bosch GmbH