Flushing (With Optional Accessories); Hoses Drain; Special Test; Ac Performance Test - MAHLE ACX150 Manuel D'utilisation

EN | 25 | ACX150/250 | Special test
o
o
o
o
Connect the couplers to the vehicle
fittings and follow the instructions on the
screen page.
Press START to begin the refrigerant
filling phase.
POSSIBLE ERROR INDICATION:
The amount of refrigerant in the

A/C service units tank is less than
that required. Closed hoses, charge
impossible.
THIS
CARRIED OUT EXCLUSIVELY
ON A/C
VACUUM (AFTER A VACUUM
PHASE HAS BEEN PULLED).
12.4 Flushing (with optional
accessories)
After performing a lot of charge cycle or
after replacing components or parts of
the /AC circuit on a vehicle it is advisable
to carry out a system flushing.
The system washing (Flushing) consists in
purifying the vehicle cooling system
through several
refrigerant flushes, by recovering it each
time, so that the impurities can be filtered
little by little through the additional filter.
© MAHLE
Charge from HP hose
(red)
Charge from LP hose
(blue)
Charge from HP hose
(red) and LP hose (blue)
Charge from HP hose
(red) on the system low
pressure side. Specific
for some
models.
PHASE HAS TO
SYSTEM
R1234yf/R134a
Thanks
ACX150/250 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.
Renault 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

BE
UNDER

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:
to its specific
1. Turn on the A/C system
2. Set temperature
minimum level.
3. Set fan speed at maximum
level; close all the flaps
except the central one and
design,
at