Emerson Liebert Static Transfer Switch - Manual (Page 42)

Installation Drawings
34
Figure 21 Control connection location diagram: 100 – 600 amp Liebert STS2
NOTES
:
1.
TYPICAL
OPTIONS
ARE
SHOWN.
FRONT
VIEW
WITH
FRONT
D
OOR
R
EMOVED
CONTROL WIRING
INPUT
CONTACT
ISOLATOR
BOARD
PROGRAMMABLE
RELAY
SEE
OPTION
OPTION
LOCATION
DETAIL
LOCATION
DETAIL
BOARD
(OPTION)
SEE
NOTE
2
(OPTION)
OR
PROGRAMMABLE
RELAY
COMMS BOARD FOR LIEBERT SITESCAN, E
X
T
E
R
N
A
L
MODEM
INTERFACE OPTION Liebert IS-WEB/485 Card (Option) REMOTE
SOURCE
SELECT
(OPTION)
BOARD
(OPTION)
SEE
NOTE
2
PROGRAMMABLE
RELAY
2. MAXIMUM OF TWO (2) PROGRAMMABLE RELAY BOARDS CAN BE USED.
BOARD
(OPTION)
SEE
NOTE
2
PS213000 Rev
. 2