ATS 420 ATS CONTROLLER USER MANUAL
15
If withstanding voltage test is conducted after the controller has already been
installed onto the control panel, please unplug all controller terminal connections in
order to prevent high voltage from damaging it.
Panel and display
Key Function Description
KEYS
NAME
Main Function
Open
Under running status. Press this key to stop the
generator set and operate all partial brakes;
Pressing this key can cancel the setting and back to
upper class under edition.
Under the setting mode with checking data, the data can
be saved and system will exit after pressing.
Manual
Test
Pressing this key will set the module into manual mode.
Press this key for 3 seconds to enter into genset manual
start/stop operation interface.
Auto
Pressing this key will set the module into auto mode.
S1 Close/Open
Active in Manual mode. Press this key, if S1 load is
opened, then the S1 closing relay will be energized; if S1
load is closed, then the S1 opening relay will be energized.
S2 Close/Open
Active in Manual mode. Press this key, if S2 load is
opened, then the S2 closing relay will be energized; if S1
load is closed, then the S2 opening relay will be energized.
Up
Under display mode, parts of the page can move up.
Under edition mode, pressing this key to move the digit
or increase the numbers.
Open
Auto
Manual/Test
LCD
OK/Setting
Down
S2 Close/Open
UP
S1 Close/Open
Running
Warning
Alarm
