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Instruction Booklet IB0162064EN
Effective January 2014
O & M Manual for the EGS Service
Entrance Automatic Transfer Switch
Eaton Corporation www.eatoncanada.ca
7.4 Component Replacement
Certain components within the ATS are field replaceable. Table 5
lists the part numbers to use when ordering replacement compo-
nents. To order replacement components, contact an authorized
Eaton Sales Representative.
Table 5. Field Replaceable Components.
Component Part Number ATS Model
Contactor 99-5638 100A
Contactor 99-5702 200A
RTC-100 Controller RTC100 100/200A
Service Entrance Breaker CSR2100 & MCBK225 100A
Service Entrance Breaker CSR2200 & MCBK225 200A
WARNING
HIGH VOLTAGES ARE PRESENT IN AND AROUND TRANSFER SWITCH
EQUIPMENT. BEFORE ATTEMPTING TO REPLACE ANY COMPONENT,
DISCONNECT THE LINE POWER FROM THE EQUIPMENT BEING SERVICED
BY OPENING AND LOCKING OUT, IF POSSIBLE, THE NEXT HIGHEST
DISCONNECT DEVICE. FAILURE TO FOLLOW THIS PROCEDURE COULD
CAUSE SEVERE PERSONAL INJURY AND/OR DEATH.
ALWAYS TURN THE UTILITY (SOURCE 1) POWER OFF AND TURN THE
GENERATOR (SOURCE 2) CONTROL SELECTOR SWITCH TO THE “OFF”
POSITION BEFORE ATTEMPTING TO REPLACE ANY COMPONENTS.
NOTICE
APPLY UTILITY (SOURCE 1) POWER AND PLACE THE GENERATOR CON-
TROL SELECTOR SWITCH IN THE “AUTO” POSITION AFTER THE COMPO-
NENT HAS BEEN REPLACED. TEST THE SYSTEM FOR PROPER FUNCTION-
ALITY.
7.5 Troubleshooting
Table 6 contains troubleshooting information for the EGS ATS. If a
problem still exists after completing the troubleshooting procedures,
contact an authorized Eaton sales representative.
Table 6. Troubleshooting Chart.
Problem Cause Correction
The automatic transfer switch does not transfer to the generator. 1 The generator breaker is open.
2. The generator voltage is not acceptable.
1. Reset the generator circuit breaker.
2. Refer to the generator User’s Manual
The automatic transfer switch does not transfer to the utility. 1. The service disconnect breaker is open.
2. The utility voltage is not acceptable.
1. Reset the service disconnect breaker.
2. Wait for the utility voltage to return to normal
The generator is still running after the transfer switch transfers to the utility. Engine cool down period. The engine should stop after the cool down.
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