User manual
2920 1475 00
12
Instruction book
1.4.2 Display
The following is a typical example of the main screen, showing
in short the status of the compressor:
Compressor Outlet 7.0 bar
Automatically loaded ¯
Menu Unload
F1 F2 F3
Fig. 1.10 Example of the main screen
1.4.3 Function keys (5-Fig. 1.9)
The keys are used:
- to call up or program settings
- to reset an active motor overload, shut-down or service
message, or an emergency stop
- to have access to all data collected by the regulator
The functions of the keys vary depending on the displayed menu.
The actual function is indicated on the bottom line of the display
just above the relevant key.
The most common functions are listed below:
Designation Function
Add To add compressor start/stop commands (day/
hour)
Back To return to a previously shown option or
menu
Cancel To cancel a programmed setting when
programming parameters
Delete To delete compressor start/stop commands
Help To find the Atlas Copco internet address
Limits To show limits for a programmable setting
MainScreen To return from a menu to the main screen (Fig.
1.12)
Menu Starting from the main screen (Fig. 1.12), to
have access to submenus
Menu Starting from a submenu, to return to a
previous menu
Modify To modify programmable settings
Program To program modified settings
Reset To reset a timer or message
Designation Function
Return To return to a previously shown option or
menu
Extra To find information regarding the installed
modules
1.4.4 Emergency stop button (S2-Fig. 1.9)
In case of emergency, press the button to stop the compressor
immediately.
Pressing the button breaks the circuit to the drive motor. The
circuit to the control circuit and other electrical components
is not broken.
Warning - Before starting any maintenance or repairs,
wait until the compressor has stopped and open
the isolating switch (customer's installation) to
switch off the voltage to the compressor.
- Close the air outlet valve and open condensate
drain valves (1 and 2-Fig. 3.7)
Apply all relevant safety precautions, including
those mentioned in this book.
1.5 Menu-driven control programs
To facilitate programming and controlling the compressor,
menu-driven programs are implemented in the electronic
module.
A simplified menu flow is shown in Fig. 1.11.
1.5.1 Function of control programs
Program/ Description
Function
Main screen Shows in short the operation status of the
compressor. It is the gateway to all functions.
See Fig. 1.12.
Status data Calling up the status of the compressor
protection functions:
- shut-down
- shut-down warning
- service warning
- warning
Resetting of a shut-down, motor overload and
service condition.
Measured data Calling up:
- actually measured data
- the status of a number of inputs