OPERATOR MANUAL
19
9.4. 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:
Before start refrigerant
charge A/C system MUST be
properly evacuated and leak tested.
To initiate charging mode, press the 'UP' key
four times, followed by the 'START' key. The
display will shows the following
Select the desired charging mode MANUAL or FROM DATABASE and set the amount of
refrigerant to be charged into the a/c system (with 'UP' key to increase or ‘DOWN’ key to
decrease in manual mode, or by selecting the vehicle make and model from database). The
smallest increment of refrigerant charge weight is 0.01 kg.
Holding the 'UP' or 'DOWN' keys for longer than two second will cause the increments of weight
change to increase or decrease rapidly.
Important:
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 (if the A/C system is
OFF
or
ON
).
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.
9.4.1. Conditions that will stop refrigerant charging
- If there is little or no refrigerant in cylinder (12). The operator will not be able to select the
desired amount of refrigerant required.
- If the cylinder (12) valve is closed.
- If the hand manifold valve (4) is closed.
- If the A/C system service port Schrader valve is not depressed
