- Hand manifold valves (4) not opened on console.
- Schrader valve on A/C system service port not depressed.
- No oil in the reservoir (10).
10.4. Refrigerant Charge Mode
The purpose of the refrigerant charge mode is to batch a user-defined weight amount of
refrigerant into the air-conditioning system.
Important: Ariazone recommends that the A/C system is always properly
evacuated for a minimum time of 30 min and vacuum leak tested, before refrigerant
is charged in to the A/C system. This process will help protect our environment
and the air-conditioning system.
To initiate charging mode, press the 'UP' key twice, followed by the 'START' key. Select the
desired refrigerant amount by pressing the 'UP' key to increase or ‘DOWN’ key to decrease. The
smallest increment of refrigerant charge weight is 0.02 kg. If the units of weight are to lb the
smallest increment of refrigerant charge weight is 0.02lb. The maximum refrigerant weight that
can be set at this point is determined by the actual refrigerant weight available in the cylinder (12).
Holding the 'UP' or 'DOWN' keys for longer than two second will cause the increments of weight
change to increase or decrease rapidly.
Once the refrigerant charge weight has been set, press the 'START' key and open appropriate
hand manifold valve depending on whether you are charging with the engine running or engine
stationary and if the A/C system is OFF or ON.
The display (2) will start from zero and will indicate the amount of refrigerant that has been
charged into the air-conditioning system. This function can be paused at any time, by pressing the
'STOP' key once, or twice, to cancel the function.
If the charge function has been paused, the amount of refrigerant that has been charged to that
point will be displayed, to continue the charge function press the 'START' key.
Once the present refrigerant weight has been charged, the charge function will automatically stop
and the display will indicate 'DONE'. The operator can return the machine to its initial state by
pressing 'STOP' key on the console.
After completion of refrigerant charge, the unit will automatically print the report of the amount of
refrigerant charged into the A/C system.
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