Bosch ACS 663 - 7.7 Internal refrigerant identifier maintenance; 7.8 Calibration check (with optional kit)

SP00D00616 2019-11-08| Robert Bosch GmbH
72 | ACS 663 | Maintenanceen
7.8 Calibration check (with optional kit)
This function is used to ensure that the station internal
scale is always calibrated.
To perform this check make use of Bosch calibration kit
(optional) including sample weight and magnet. First
time magnet must be installed.
1. Check that the magnet on the bottom of the station
is clean.
2. Call up the Main Menu.
3. Select
.
4. Select
.
5. Select Maintenance.
6. Select Calibration Check.
 The display shows Place the calibration
weight on the magnet located at the
bottom of the machine
7. Fix the calibration weight to the magnet at the
bottom of the machine.
1
Fig. 23: Calibration check
1 Magnet
8. Select to continue.
 The display shows
Remove the calibration weight from
the magnet located at the bottom of
the machine
9. Remove the calibration weight from the magnet.
10. Select to continue.
 If &DOLEUDWLRQFRQ¿UPHG is displayed on the
display, the scale is calibrated. Select
to return
to the Maintenance Menu.
 If Unsuccessful calibration is displayed, the
scale is not calibrated. Select
to try again. If the
calibration continues to be unsuccessful, contact an
authorized Bosch service center.
7.7 Internal refrigerant identifier
maintenance (optional, standard on
RI variants)
This device analyzes a sample of refrigerant flowing into
the internal tank to check that it is R1234yf and is not
contaminated. Replace the refrigerant identifier pick-up
hose every time the filter is replaced and when an error
message appears on the display indicating the clogged
hose.
1. Turn off the station.
2. Open the rear service door.
3. Remove the rear cover (above the service door)
pushing it up and pulling it out to remove it.
1
2
Fig. 22: Internal refrigerant identifier maintenance
1 Filter
2 Pick-up hose
4. Disconnect the pick-up hose, located between the
rear of the manifold and the refrigerant identifier,
and install a new hose.
i If the filter is of any color other than white, replace it.
5. Pull the filter out of the brackets while
disconnecting its connections from the rubber
fittings.
6. Install a new filter (filter arrow in the same direction
as shown on the refrigerant identifier). Push the
filter connections into the rubber fittings.
7. Insert the rear cover so that the 4 holes on the sides
of the cover fit into the 4 tabs on the station. Push
down to hook the rear cover.
8. Close the rear service door.