IB01602009E For more information visit: www.eatonelectrical.com
Instruction Booklet
Effective: April 2004 Page 21
ATC-300 Automatic
Transfer Switch
Controller
The following setpoints are programmable if the corresponding feature is programmed.
Table 2. Programmable Features and Setpoints
Setpoint Optional
Feature
Setpoint Units Description Range Factory Default
New Password Four Digits Set New Password 0000 to 9999 0300
TDES Minutes: Seconds Time Delay Engine Start 0 to 120 seconds 0:03
TDNE Minutes: Seconds Time Delay Normal to Emergency 0 to 1800 seconds 0:00
TDEN Minutes: Seconds Time Delay Emergency to Normal 0 to 1800 seconds 5:00
TDEC Minutes: Seconds Time Delay Engine Cool-off 0 to 1800 seconds 5:00
NOM FREQ Hertz Nominal Frequency 50 or 60 Hz As ordered
NOM VOLTS Volts Nominal Voltage 120 to 600 volts As ordered
S1 UV DROP Volts Source 1 Undervoltage Dropout 97% to 50% of NOMV 80% of NOMV in volts
S2 UV DROP Volts Source 2 Undervoltage Dropout 97% to 50% of NOMV 80% of NOMV in volts
S1 UV PICK Volts Source 1 Undervoltage Pickup 99% to (1UVD + 2%) 90% of NOMV in volts
S2 UV PICK Volts Source 2 Undervoltage Pickup 99% to (2UVD + 2%) 90% of NOMV in volts
S1 OV DROP X Volts Source 1 Overvoltage Dropout 105% to 120% 115% of NOMV in volts
S2 OV DROP X Volts Source 2 Overvoltage Dropout 105% to 120% 115% of NOMV in volts
S1 OV PICK X Volts Source 1 Overvoltage Pickup (1OVD - 2%) to 103% 110% of NOMV in volts
S2 OV PICK X Volts Source 2 Overvoltage Pickup (2OVD - 2%) to 103% 110% of NOMV in volts
S1 UF DROP X Hertz Source 1 Underfrequency Dropout 90% to 97% of NOMF 94% of NOMF in hertz
S2 UF DROP Hertz Source 2 Underfrequency Dropout 90% to 97% of NOMF 94% of NOMF in hertz
S1 UF PICK X Hertz Source 1 Underfrequency Pickup (1UFD + 1Hz) to 99% 96% of NOMF in hertz
S2 UF PICK Hertz Source 2 Underfrequency Pickup (2UFD + 1Hz) to 99% 96% of NOMF in hertz
S1 OF DROP X Hertz Source 1 Overfrequency Dropout 103% to 110% of NOMF 106% of NOMF in hertz
S2 OF DROP X Hertz Source 2 Overfrequency Dropout 103% to 110% of NOMF 106% of NOMF in hertz
S1 OF PICK X Hertz Source 1 Overfrequency Pickup (1OFD - 1Hz) to 101% 104% of NOMF in hertz
S2 OF PICK X Hertz Source 2 Overfrequency Pickup (2OFD - 1Hz) to 101% 104% of NOMF in hertz
TDN Minutes: Seconds Time Delay Neutral 0 to 120 seconds 0:00
PLANT EXER Days Plant Exerciser Programming OFF, DAILY, 7-DAY, 14-
DAY or 28 DAY
OFF
PE LOAD XFR Plant Exerciser Load Transfer 0 or 1 (1 = yes) 0
PE DAY Days Plant Exerciser Day of the Week SUN, MON, TUE, WED,
THU, FRI or SAT
PE HOUR Hours Plant Exerciser Hour 0 to 23 0
PE MINUTE Minutes Plant Exerciser Minute 0 to 59 0
TEST MODE Test Mode 0, 1 or 2 (0 = No Load
Engine Test, 1 = Load
Engine Test, 2 = Disabled)
0
TER Minutes Engine run test time 0 min to 600 min 5:00
TPRE Seconds Pretransfer delay timer 0 sec to 120 sec 0:00
PHASES Three phase or single phase 1 or 3 AS ORDERED
VOLT UNBAL X Volts Voltage Unbalanced 0 or 1 (1 = Enabled) 1
UNBAL DROP % X Percent Percent for Unbalanced Voltage
Dropout
5 to 20% of Phase to
Phase Voltage Unbalance
20%
UNBAL PICK % X Percent Percent for Unbalanced Voltage
Pickup
Dropout minus (UNBAL
DROP % -2) to 3%
10%
UNBAL DELAY X Seconds Unbalanced Delay Timer 10 to 30 20
TDEF Seconds Time Delay Emergency Fail Timer 0 sec to 6 sec 0:06
IN-PHASE X In-phase Transition 0 or 1 (1 = Enabled) 0
IP FREQ DIFF X Hertz In-phase Transition Frequency
Difference
0.0 Hz to 3.0 Hz 1
SYNC TIME X Minutes In-phase Transition
Synchronization Timer
1 min to 60 min 5
PHASE REV X Phase Reversal OFF, ABC, or CBA OFF