Instructional Booklet
Page
18
Effective: March 2010
O&M Manual for the Eaton ATC-100
Automatic Transfer Switch Controller
For more information visit: www.eaton.com
IB01602019E
Appendix A: Operational Flowchart (Continued)
*
I
s
Utility
a
v
a
il
ab
le yet?
TDEN timer time
s
o
u
t
No
Ye
s
S
ync timer time
s
o
u
t
Open Gener
a
tor
S
witching Device
(Momentarily energize K1)
S
o
u
rce
s
s
ynchronized
b
efore
S
ync timer
time
s
o
u
t
No
Ye
s
a
nd Clo
s
e Utility
S
witching Device
Utility is powering the load
TDEC timer time
s
o
u
t
Remove “Gener
a
tor
S
t
a
rt”
S
ign
a
l
(De-energize the gen start relay)
Open Gener
a
tor
S
witching Device
(Momentarily energize K1)
TDN timer time
s
o
u
t
(If enabled for 3-position
contactor type ATS)
Clo
s
e Utility
S
witching Device
(Momentarily energize K1)
