Savant Power System Deployment Guide - Sol-Ark
Copyright 2022 Savant Systems, Inc
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Appendix A: ASCO ATS Grid Loss Behavior
The behavior of the ASCO ATS when access to the normal source is lost described below.
Automatic start of
emergency source
2
Emergency acceptable
3
Normal source acceptable
5
Load switched back
to Normal source
6
Normal source acceptable
Load on Normal
1
Electrical loads
switched to emergency
source
4
LEGEND
LIGHT ON
LIGHT OFF
TIME DELAY
Normal source
unacceptable
Emergency
source
starting
Feature 2B time
delay, if used
Feature 31F time
delay, if used
Load on
emergency
light comes on
Waiting for Normal
source to return
Feature 31M time
delay, if used
Normal source accepted
light come on
Feature 3A time
delay, if used
Feature 31G time
delay, if used
Load on Normal
light comes on
(Generator Source) runs unloaded
for Feature 2E time delay
Feature 31N time
delay, if used
Observe the indicator lights
STATUS
MESSAGES
Generator
stops
NORMAL
SOURCE
ACCEPTED
LOAD ON
NORMAL
LOAD ON
EMERGENCY
EMERGENCY
SOURCE
ACCEPTED
Emergency
accepted light
come on
All lights off