MGE UPS Systems STS 600A - Manual (Page 51)

Installation and User Manual
Operation 3 —13 86-504004-00 B03
Figure 3-4: LED Mimic Diagram.
SOURCE #1
AVAILABLE
GREEN LED-LIT
WHEN SOURCE #1
POWER IS APPLIED
TO SOURCE S1 INPUT SOURCE #2
AVAILABLE
GREEN LED-LIT
WHEN SOURCE #2
POWER IS APPLIED
TO SOURCE S2 INPUT
OUTPUT POWER
TO LOAD
GREEN LED-LIT
WHEN OUTPUT
POWER IS ON STS OUTPUT
ISOLATION C.B.
(CB3A AND/OR CB3B)
GREEN LED-LIT
WHEN CLOSED
SOURCE #1
INPUT C.B.
GREEN LED-LIT
WHEN CLOSED
SOURCE #1
BYPASS C.B.
GREEN LED-LIT
WHEN CLOSED
STATIC SWITCH #1
GREEN LED-LIT
WHEN SCR1 ON
SUMMARY
ALARM-RED LED
SOURCE #2
INPUT C.B.
GREEN LED-LIT
WHEN CLOSED
SOURCE #2
SELECTED AS
PREFERRED-
YELLOW LED SOURCE #1
SELECTED AS
PREFERRED-
YELLOW LED
SOURCE #2
BYPASS C.B.
GREEN LED-LIT
WHEN CLOSED
STATIC SWITCH #2
GREEN LED-LIT
WHEN SCR2 ON
IN SYNC-
GREEN LED
SOURCE 1
AVAILABLE
SOURCE 2
AVAILABLE
PREFERRED
SOURCE
IN SYNC
ALARM
LOAD
SWITCH 1 SWITCH 2
CB5 CB4 CB3
CB1 CB2
S1 S2