
19
1.5.2 ATS
START
Turn OFF the upstream
circuit breaker
TIP
: Verify that both the AC and Battery
Breaker are OFF at the TRTC.
Disconnect the UPS OUT Cord
Disconnect the UPS IN cord
Disconnect the INPUT &
OUTPUT cord
Remove and perform
maintenance on the ATS
Perform this procedure in reverse
order to reinstall the ATS
PROCEDURE FINISHED
Auto Transfer Switch