Emerson ASCO 185 - Manual (Page 9)

Sequence of Operation --- Utility Failure
Series 185
7
381333–319 D
wait 10 sec.
for generator
to warm up
generator runs
unloaded
for 2 min.
generator
starting
Utility fails
(longer than
3 sec.)
generator
stops
wait 5 min.
for utility
to stabilize
observe
these
power
lights
observe
these
switch
lights
waiting for utility
to return
light is on
light is off
utility acceptable
generator off
Utility power good.
Electrical loads on utility
¡
£
electrical loads
switched to generator
start
generator
© electrical loads
switched back
to utility
¥
¢
generator
acceptable ¤
utility
returns
load on utility
utility off
generator acceptable
load on generator
utility off
generator off
load off
utility off
generator
acceptable
load on utility
utility acceptable
generator
acceptable
load on utility
utility
acceptable
generator acceptable
load on generator