Emptying Pipes; Vacuum - Wow WAC 2200 Manuel D'instructions

Open the high and low pressure taps on the machine and press START to start the refrigerant
recovery/recycle phase.
recovered, expressed in grams.
When recovery is complete the machine stops and discharges and automatically displays the
spent oil extracted by the A/C system during recovery. The oil discharge operation lasts 4 min.
If during this phase some pockets of refrigerant are still inside the A/C system the pressure
increases and the machine automatically starts recovering refrigerant again.
NOTICE: if during recovery STOP is pressed, the following message appears:
When START is pressed the procedure resumes, whereas when STOP or RESET is pressed
you go back to the MAIN MENU.

EMPTYING PIPES

In the RECOVERY AND RECYCLE MENU select EMPTY PIPES and press ENTER to
confirm.
The following screen is displayed:
Open high and low pressure on the machine and press the START button.

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. Select the assisted procedure by pressing ENTER when "Assisted Procedure"
flashes on the LCD. Select the vacuum operation by pressing ENTER when the message
"Vacuum xx min." flashes on the LCD. Set the vacuum time only if different from that previously
used. Press ENTER to confirm. Open the high- and low-pressure taps of the machine and
press START. At the end of the vacuum, the machine will test for leaks in the A/C system
WARNING! If vacuum time < 15 minutes this test could not be 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.
pag.21 - 12/11/2015
INSTRUCTIONS MANUAL
Open high and low
pressure then
Press START
During this phase the display shows the quantity of refrigerant
Procedure in standby
START to continue
STOP to exit
Procedure
RECOVERY / RECYCLE
<PIPE EMPTYING>
Open high and low
pressure then
Press START