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13 | AC442 | Description of unit
5.2
Display screen
When unit loads, the home screen will be displayed (Fig.
6). This screen is accessible by pressing (
lower left corner of the screen.
Fig. 7: AC442 Menu Selections
An Automatic or Manual process can be selected by
touching the word on the upper right side of the screen or
by touching the
(MENU) button in the lower left corner
of the screen and selecting which type of process is
desired.
To select a function in the menu, touch finger to option.
If you need to enter free text, the numerical keypad can
be used.
5.3
Main Menu Options
The main menu of the graphical user interface allows user to
select the following functions:
Vehicle Selection
Automatic
Manual
Special functions
Maintenance
Setup
Each of the menu options will be described in detail later in
the manual.
5.4
Unit Features
5.4.1
EcoLOCK
EcoLOCK
) button in
automated procedure in the software enables to:
Fig. 8: EcoLOCK ® Couplers
To connect the coupling, position the coupling on the
parking coupler, pull back the knurled section of the
coupling element and press carefully onto the connection
(Fig. 9).
Fig. 9: Fastening quick release coupling
The service quick-release couplings are connected to the
service connections of the vehicle air conditioning
system during A/C service. When not in use, the service
quick-release couplings can be connected to the
parking/flush couplers
To remove the service quick-release couplings from the
park coupler, press the coupling slightly towards the
connection and carefully pull the knurled section back to
unfasten it from the coupler.
5.4.2
Locking caster brakes
Rolling of the AC442 can be prevented by locking the
caster brakes (Fig. 1, Pos. 8) at the front wheels.
5.4.3
Power supply cable and switch
The power supply cable is connected to the main
power input. When not in operation, the power supply
cable can be disconnected and hung on the handle. The
AC442 is switched on by toggling the rocker switch to
the on position.
couplers (optional)
®
®
is the intelligent coupler that with the suitable
Reduce the amount of non-condensable gases
formed inside the cylinder
Avoid the refrigerant (loss) dispersion in the air
during the disconnection of the couplers (Puff-
effect)
Check possible Schrader valve leaks before
disconnection
1901016-85
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