Eaton EGS Series User Manual

10
Instruction Booklet IB0162064EN
Effective January 2014
O & M Manual for the EGS Service
Entrance Automatic Transfer Switch
Eaton Corporation www.eatoncanada.ca
5.3 Operational Checks
Step 1: Open the service entrance disconnect circuit breaker originally
closed in Step 3 of Section 5.2.
NOTICE
THIS WILL SIMULATE AN INTERRUPTION OF THE UTILITY POWER SOURCE.
Step 2: After a time delay (based on the generator settings), the standby
generator engine will start.
Step 3: Using a voltmeter, measure the line-to-line and line-to-neutral
voltages across the generator line terminals to ensure that the
generator emergency voltage is correct. If necessary, make
adjustments to the voltage regulator on the generator according
to the manufacturer’s recommendations to correct any voltage
deviations. The ATS will only respond to the correct voltage
from the generator power source.
Step 4: The ATS Time Delay Normal (Utility) to Emergency (Generator)
(TDNE) will begin to time after the generator engine begins to
run. After time out, the solenoid will engage and the contactor
will automatically switch from the UTILITY to the GENERATOR
position.
Step 5: Close the service entrance disconnect circuit breaker described in
Step 3 of Section 5.2.
Step 7: The ATS Time Delay Emergency (Generator) to Normal (Utility)
(TDEN) timer will begin timing, and the solenoid will engage
and automatically switch from the GENERATOR to the UTILITY
position and the generator will shut down after a cool down
period.

Eaton EGS Series Specifications

General

Brand	Eaton
Model	EGS Series
Category	Switch
Language	English