06/02/2020 Vers. 0.0 49
10.2 Pressure test
To run a pressure test in the AC machinery the two taps of high and low pressure have to be closed.
Connect the high and low pressure hoses to the vehicle.
Start the vehicle at a speed of 1500rpm/min.
Enter the A/C system.
Check the pressures on external gauges (img. 6-a and img. 6-c), with reference to the following table:
NB: the pressure values in the table are indicative and they could change depending on the AC
system of the vehicle.
ATTENTION: the operation has to be performed with engine on and with air conditioning inserted.
To add gas at the AC system program the gas quantity by manual mode (Charge Gas function par. 10.3.1) and
open only the low pressure tap (LP)
To remove gas from the AC system, open only the high pressure tap (HP) and do a recovery (Recovery function
see par. 10.3.1).
NB: Never open simultaneously the two taps (LP and HP), during the pressures test!
At the end of the test, disconnect the couplings of the AC system, open the taps of the station and do the recovery
of the gas (Recovery function see par. 10.3.1).
10.3 Manual cycle
At first select the desired refrigerant (R134 or HFO1234YF) from the page Home.
ATTENTION! Before selecting the system type make sure that the two HP and LP rapid couplings present at the
end of the hoses are connected to the two male couplings present on the station!
NB: to change the type of gas you have to place the rapid couplings in the appropriate sites and click on the
desired refrigerant, confirm the choice with Enter. Do not perform the refrigerant changing if the rapid couplings are
connected to the vehicle!!
NB: if a gas type different from the last one used is selected, the station will perform an internal flushing. In this
case, connect the hoses to their seats on the side of the station and wait for the flushing to be completed.
NB: the operator must wait that the flushing step is over before proceeding with other operations. If the
flushing gets stopped, the machine will require to perform the flushing again before allowing any other
operations.
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