13
2
K7
K8
K9
K4
K5
K6
L1
L3
K1
K2 L5
K3
L4
DL
L2
GB
START-Up AND OpERATION
The panel has two sections:
A - Control unit “NRG” of the compressor
B - Emergency stop button
2.1 - CONTROL UNIT “NRG”
The front panel of the control unit “NRG” comprises:
• compressor programming and
control keyboard.
• Indicator / setting LEDs.
• back-lit LCD display.
Control and programming keyboard
K1 START-button (starting the compressor)
Used to start the machine. If remote control or programming (daily / weekly) are enabled, this key is used to
enable compressor functioning (priority control from keyboard). lf alarm conditions have occurred, pressing
of this key has no effect.
K2 STOP button (stop the compressor)
Permits timed stopping of the machine. If remote control or programming (daily / weekly) have been enabled,
this key can be used to disable compressor functioning (priority control).
It does not operate at emergency level.
K3 RESET button
Makes it possible to reset compressor fault messages after eliminating the causes of these As the faults can
be displayed only in the main screen page, the RESET key is effective only during display of this.
During parameter modification operations, the RESET key-can be used to restore the preset factory (default)
valve for the type of compressor selected.
K4 ESC button
Used to return to the main menu (previous level) or to cancel the modifications made.
If the key is held down, the control unit returns to the main screen page. If OFF, back-lighting of the display is
re-activated the first time the key is pressed without performing any other function.
K5 UP arrow key
Used for upward scrolling of menu items;
during setting of multiple-choice parameters. Makes it possible to select one of the available options.
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