10.2. Evacuation Mode
In the evacuation mode the air and moisture in the air conditioning system is removed and
exhausted to the atmosphere. The evacuation pump in the Ariazone system is capable of
developing a vacuum of -0.99 bar (29.99 in hg). The evacuation mode runs for a predetermined
time selected by the operator.
To initiate evacuation mode, press the 'DOWN' key twice, followed by the 'START' key. Select the
desired evacuation duration by pressing the 'UP' key to increase or ‘DOWN’ key to decrease time
duration. Once the desired time has been selected press the 'START' key and the function will
commence.
Note: During evacuation mode manifold hand valves (4) on the console must be
open.
The evacuation time can be set from one minute to eight hours.
At any time the evacuation time can be paused or cancelled by pressing the stop button once to
pause, or twice to cancel the function.
The Ariazone 5001 system has a unique function that if the evacuation function is selected and
there is residual refrigerant in the air conditioning system, greater then 0.6 bar or 9 psi, the unit
would detect this condition, whereby it will beep six times to warn the operator. After this warning
the unit will automatically recover the residual refrigerant once it has recovered the entire
refrigerant it will start the selected evacuation function automatically.
Leak testing: After the evacuation process is completed, close both hand valves on
console (4). By closing the valves the unit is "isolated" from the A/C system to allow for
monitoring of any possible vacuum leak, which may exist in the air- conditioning system.
This is achieved by monitoring the suction and discharge gauges or micron gauge
connected on the vacuum port (18).
After completion of evacuation function, the unit will automatically print the report.
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