ATS-22AG Automatic Transfer Switch
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5
SECTION 3: OPERATION
3.1 General
The four functions of the ATS-22AG:
● In AUTO
● In OFF
● In TEST mode
● Programming
The practical use of each operation under each
category is explained in this section. It is assumed
that prior sections are understood, and the operator
has a basic understanding of the hardware.
3.2 IN AUTO
The AUTO mode of the ATS-22AG controller
provides automatic engine start, stop, and power
transfer and retransfers from source to source as
dictated by the values previously programmed.
The ATS-22AG constantly monitors the condition of
both the grid and/or generator providing the
intelligence for the transfer operations.
3.3 IN OFF
In OFF the ATS-22AG disables all the transfers and
protection functions with all LED indicators OFF
leaving the display screen showing only the time of
day. The user can test the LEDs by touching the
OFF button.
Reset the clock once a year. The wrong time can
affect the schedule exerciser. Without power, the
controller can maintain the clock working for up to a
week.
However, when in programming, the OFF button
allows you to move to the next program line and
then change the values for that line using down (▼)
and up (▲) buttons.
3.4 Manual TEST (TEST)
Touching TEST simulate a loss of normal/grid
power. Permitting the controller to start the engine
and carry out a power transfer UNDER load for 20
min.
After 20 Minutes the Control automatically return to
AUTO.
If at anytime the Generator stops when under TEST
and NORMAL Power is available the ATS return to
Normal.
3.5 Programming Instruction
You program the ATS-22AG from the front
faceplate.
To start, set the controller to OFF and touch & hold
the OFF button for 5 seconds (The screen flashes 3
times). The word “Vr2.0” appears on the display for
2 seconds, showing the software version.
You are ready to start the line-by-line programming
sequence. Always touch the OFF key to move to the
next line, to change the parameters, on each line
use the up (▲) and down (▼) arrows. Repeatedly
touching the up (▲) or down (▼) key, changes the
displayed by one. To change faster, hold the buttons
down.
Remember to always touch the “OFF” button to
move to the next line or until the “End” appears on
the screen. Note: To end and exit at any time, hold
the “OFF” key down for 4 seconds.
If you make an error or need to return to factory
settings, stay or reenter programming and then hold
the AUTO keys down for 4 seconds, until the word
“Au.Po” appears on the screen verifying that all
programming lines are factory reset back like in the
manual. (See line-by-line programming table for
ATS-22AG factory settings).
In AUTO the ATS can starts the generator, using
a normally open dry remote start connection. Next
to the remote is the connections for the Common
Alarms which are activated only for 60 sec. when
the ATS moves to the Emergency Position
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