Bosch ACS 663 - 5.17.2 Configuration; 5.17.3 Operation

ACS 653, ACS 663 Service Manual
SP00D00624 2021-04-08 Robert Bosch GmbH
16
Introduction

The lter is designed to trap acid and particulates,
and to remove water from refrigerant. To meet
this mandate, the lter must be replaced after
(SEE TABLE) of refrigerant has been ltered.
The unit gives a warning when (SEE TABLE) of
the lter capacity has been used; the unit locks
down when the ( SEE TABLE) lter capacity has
been reached and will no longer function.

1. Call up the Main Menu.
2. Select  icon.
3. Select  icon.
4. Select   from the
Maintenance Menu or when the machine
prompts. The machine displays:
REMAINING FILTER CAPACITY: XXX.XYY
REPLACE FILTER NOW?
• The machine displays amount of filter
capacity remaining until the machine
locks down. This message may occur at
anytime during the course of an A/C system
maintenance action.
5. Select  icon to change the lter; Select
 icon to resume using the machine.

1. If  icon was selected to change the lter,
the unit will clear the lter, then prompts for
the new lter code to be entered:
ENTER NEW FILTER SERIAL NUMBER
If SERIAL NUMBER WRONG is
displayed, the serial number has been incorrectly
entered or the lter has already been used in this
machine.
2. Use the keypad to enter the serial number
that appears on the new lter and select 
icon to continue.
• The machine clears the existing lter and
displays:
TURN POWER OFF
AND REPLACE FILTER
1

3. Switch o󰀨 the machine.
4. Open the service rear door.
5. Remove the old filter (1) by turning it
counterclockwise. Refer to Figure 1-4.
6. Look at the new lter. Verify both O-rings
are lubricated and correctly located in the
grooves as shown in Figure 1-5.
7. Install the new filter by threading it
clockwise into place. Verify the filter is
positioned correctly. Tighten the filter to
20 Nm ± 1.
8. Close the service rear door.
9. Switch on the machine.
10. Machine starts with vacuum pump oil
change (Refer to the “Vacuum Pump
Maintenance” in this section).
11. Recycle the lter that was removed from
the machine according to the laws in your
jurisdiction.


.
Model
R134a
Replacement lter at: 68 kg
(alert 56 kg)
Model
R1234yf
Replacement lter at: 150 kg
(alert 138 kg)

O-rings
• Connect a second recovery machine to
the tting (1) located on the side of the
machine. See Figure 1-3. Run a recovery
to remove the refrigerant sampled by the
refrigerant identier in the machine.