Eaton ATC-300 Mode D'emploi page 27

Dual Utility Transfer Switch
Source 1 is available
Close Source 1
(Energize K1)
Source 1 is powering the load
Source 1 becomes unavailable
(or Go To Emergency)
TDNE timer times out
TPRE timer times out
(If Source 1 is Available)
Open Source 1
(Energize K2)
Close Source 2
(Energize K2)
Source 2 is powering the load
IB01602001T
ATC-300 Automatic
Transfer Switch
Controller
No
Is Source 2
Available?
Yes
For more information visit: www.eatonelectrical.com
Instruction Booklet
Effective: January 2006
Note: Programs TDES, TDEC and TDEF
Setpoint to 0 Seconds
Is Source 1
Available?
TDEN timer times out
TPRE timer times out
Open Source 2
(Energize K1)
Close Source 1
(Energize K1)
Source 1 is powering the load
Page 27
No
Yes