TSI Power Corporation MC80023,4,5,6,7,8,9,30
ATS-500 Series Automatic Transfer Switches Rev. 7, September, 2019
TSI Power Corporation Proprietary Information
12
Figure 8: PZ00127-5 Main Control Circuit Board Assembly for ATS-500-8000 and -
9000 models
2.22
DISPLAY CIRCUIT BOARD ASSEMBLY (See Figure 9)
Three colored LEDs are located on the right side of the front panel of the ATS housing
and attached by means of a ribbon cable and connector to the main control board.
These LEDs, as shown in Figure 3 and 12 signify the following:
•
Green “Primary” LED, ON,
indicates Primary is driving the output.
•
Yellow “Backup” LED, ON, indicates Backup
is driving the output.
•
Absence of either primary or backup AC source will be indicated by a red “Alarm”
LED indicator and audible buzzer (beeper) alarm.
Circuit Board
Mounting
Holes for
Snap-On
Standoffs
(4 Corners)
Circuit Board
Mounting Hole
for M3x0.5 PHP
Screw
JP1 (HIGH)
or JP2 (LOW)
