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VACUUM
Use the quick-connect couplings to connect the hoses to the A/C
system, bearing in mind that BLUE must be connected to the low
pressure side and RED to high pressure. If the system is equipped
with a single quick-connect coupling for high or low pressure,
connect only the relative hose.
From the MANUAL PROCEDURE, select VACUUM, the following
screen will be displayed:
R1234yf
VACUUM TIME
TIME OF CHECK
Select VACUUM TIME value box. Use the KEYPAD to insert the
new value of the VACUUM TIME. Press ENTER to confirm. ESC to
return back.
NOTE: Use the VACUUM SETTING to change the duration of the
TIME OF CHECK.
NOTE: If selected VACUUM TIME is lower than 15 minutes the
following popup warning will be displayed:
R1234yf
The selected vacuum time is lower than
15 minutes. The leak check could not be
reliable. Continue?
YES
Press YES to continue, or press NO to go back.
R1234yf
1
2
3
ABC
DEF
Plate number:
4
5
6
GHI
JKL
MNO
___________________
7
8
9
PQRS
TUV
WXYZ
←
.,
0
|_|
Type the plate of the car, press ENTER to confirm. ESC to return
back.
NOTE: the numerical keys include an alphabet that is used similar
MANUAL PROCEDURE
xx
MANUAL PROCEDURE
NO
VACUUM
MANUAL PROCEDURE
Inset vehicle
VACUUM
R1234yf
Connect and open HP and LP coupling to A/C
system Press ENTER
Connect and open the coupling connected to the A/C system,
then press ENTER to start the vacuum phase. Press ESC to return
back.
R1234yf
When time of check is reached, the machine will test for leaks in
the A/C system:
R1234yf
LEAK CHECK
(WARNING! If vacuum time is lower than 15 minutes this test is
not reliable). If leaks are found, the machine will stop
automatically and display the A/C SYSTEM LEAKS alarm.
Detection of micro-leaks is not guaranteed.
At the end of the preset vacuum time, the machine will sound an
alarm and the following screen will be displayed:
R1234yf
Close and disconnect HP and LP coupling from A/C
system and Press ENTER
Close and disconnect HP and LP coupling from A/C system, then
press ENTER , the following screen will be displayed:
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MANUAL PROCEDURE
VACUUM
MANUAL PROCEDURE
A/C Pressure
inHg
VACUUM
MANUAL PROCEDURE
A/C Pressure
inHg
VACUUM
MANUAL PROCEDURE
VACUUM
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