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Instruction Booklet
Page 20 Effective: April 2006
ATC-300 Automatic
Transfer Switch Controller
4. CHANGE YES
PASSWORD?
Use the Increase or Decrease pushbuttons to select Yes or No,
then use the Step/Enter pushbutton to enter the selection and
move to the next screen. If No is selected, the first Setpoint
screen will appear. If Yes is selected, the following screen will
appear.
5. NEW PASSWORD 0000
(Use Inc/Dec)
Use the Increase or Decrease pushbuttons to scroll to the desired
value (0 - 9) for the first digit of the new password, then use the
Step/Enter pushbutton to enter the value and move to the next
digit. Repeat for remaining three digits.
The user then steps through the setpoint screens and can change
the setpoint values. During this time, the Unit Status LED will
blink at a faster rate. At the end of the setpoint screens, the user
will be prompted to save the setpoints.
6.3 Display Only Mode
In the Display Only Mode, the ATC-300 Controller allows the user
to view all setpoints and their programmed values. Each press of
the Step/Enter pushbutton will advance the program to the next
setpoint. Setpoint values CANNOT be changed while in the Dis-
play Only Mode.
6.4 Change Setpoints Mode
In the Change Setpoints Mode, the user can step through the Set-
point screens and change the Setpoint values using the Increase
and Decrease pushbuttons. During this time, the Unit Status LED
will blink at a faster rate to indicate Program Mode. At the end of
the setpoint screens, the LCD Display will read Save Setpoints?
Either the Increase or Decrease pushbutton may be used to select
either Yes or No”. The Step/Enter pushbutton is then pressed to
enter the selection. If Yes is selected at the Save Setpoints?
Screen, the ATC-300 shall save the Setpoint settings and the
LCD Display shall read Programming Setpoints to confirm entry.
If “No” is selected, then all Setpoints will remain unchanged.
6.5 Programmable Features and Setpoints
CHANGING THE SYSTEM NOMINAL VOLTAGE OR FREQUENCY SET-
POINT WILL AUTOMATICALLY CHANGE ALL THE PICKUP AND
DROPOUT SETTINGS TO THE NEW DEFAULT VALUES.
All ATC-300 Controller programmable features and associated
setpoint possibilities with any required explanations are presented
in Table 2. Remember that only features originally ordered and
factory programmed will appear in the display.
CAUTION
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