Hoses Drain; Special Test; Ac Performance Test; Refrigerant Clean - MAHLE ACX120 Manual

impurities can be filtered little by little
through the additional filter.
Thanks to its
ACX120/220 automatically manage the
flushing process so that the process
becomes fully automatic.
Once the (optional) flushing kit has been
installed, as described in the instructions
included in the kit, and after selecting the
specific function for the kit being used,
start the phase.
In case of problems or errors during this
phase, a message will be displayed,
identifying the type of error.
It is possible to interrupt the phase in
progress at any time.

12.5 Hoses drain

To empty the charge hoses completely
perform the HOSES DRAIN phase.
Select in the menu the HOSES DRAIN
function. Wait the end of the procedure.

13 Special test

13.1 Ac performance test

To check the vehicle A/C system status –
for instance in case there is no flow of
cold air from flaps – pressure values can
be checked.
Connect the HP - LP couplers or the
single coupler to the vehicle system.
Under the sequence guided by the
software perform the following preliminary
operations on the vehicle:
1. Turn on the A/C system
2. Set
minimum level.
3. Set fan speed at maximum
level; close all the flaps
specific design,
temperature at
EN | 24 | ACX120/220 | Special test
except the central one and
set air
central position.
4. Keep engine at accelerated
idle at constant speed for
at least 2 minutes.
5. Check the pressure values
within about 3 - 5 minutes.
In the MANUAL CYCLE menu, select the
AC PERFORMANCE TEST function.
Execute the AC PERFORMANCE TEST
following the instruction.
And at the end make sure that both
values on LP and HP gauges fall within
the values shown on the display.
PRESSURE VALUES CHANGE
CONSIDERABLY
AMBIENT
CHANGES. KEEP THIS IN MIND
WHEN CHECKING PRESSURE
VALUES
It is possible to interrupt the phase in
progress at any time.

13.2 Refrigerant clean

By selecting this function, you can start
the refrigerant clean function, allowing for
a further recycle, which is internal to the
station itself. This mode guarantees a
higher level of the service quality.

14 Maintenance

ACX120/220 is a remarkably reliable unit,
manufactured using the highest quality
components, making use of the most
advanced production techniques.
Please contact an authorized technical
service centre for purchasing original
spare parts. The access to manual cycle
distribution to
WHEN
TEMPERATURE
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