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9.3
Recovery process
1. From the main menu, select MANUAL, and then
deselect all options except for RECOVERY.
2. To change the service hose, touch the blue box at the
bottom of the screen that says LP-HP. A menu will pop
up that allows technician to select which hoses to
perform service through.
3. Press green arrow in lower right corner to begin
service.
4. Follow on screen instructions to begin recovery
process.
If no pressure is detected in the system, this function will
not start. Technician should ensure couplers are open. If
the system is empty, operator must exit and select a
vacuum process.
There is potential for unit to display an error during this
service for high internal pressure. This can occur due to
high operating temperatures or hot refrigerant gasses
entering the AC442
9.4
Vacuum process
1 From the main menu, select MANUAL, and then
deselect all options except for VACUUM.
2
To change the service hose, touch the blue box at the
bottom of the screen that says LP-HP. A menu will pop
up that allows technician to select which hoses to
perform service through.
3
To adjust vacuum time, touch in the VACUUM TIME
box. The screen in Figure below will appear.
Fig. 17: Vacuum time adjustment
4
Swipe finger up or down to adjust the hours and
minutes, then press the
time adjustment.
5
If the vacuum test time needs adjusted, touch in the
TEST TIME box.
6
Press green arrow in lower right corner to begin
service.
7
Follow on screen instructions to begin vacuum
process
1901016-85
to accept or the X to cancel
A/C System Service | AC442 | 20 en
9.5
Charge process
1. From the main menu, select MANUAL, and then deselect all
options except for CHARGE.
2. To change the service hose, touch the blue box at the bottom
of the screen that says LP-HP. A menu will pop up that allows
technician to select which hoses to perform service through.
3. To adjust Charge amount, touch in the REFRIGERANT
AMOUNT box. The screen in Figure below will appear.
Fig. 18: Charge amount adjustment
4. Swipe finger up or down to adjust the refrigerant value to the
vehicle manufacturer's recommended value, then press the
to accept or the X to cancel time adjustment.
5. Then click the Oil amount box to adjust oil amount and type.
Fig. 19: Oil amount adjustment
6. Swipe finger up or down to adjust the oil values, then press
the
to accept or the X to cancel oil value adjustments.
7. If desired, turn the Tracer injection on to inject UV Dye into
the vehicle A/C system.
8. Press the green arrow in lower right corner to begin service.
9. Follow on screen instructions to complete charge process.
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