Emerson Static Transfer Switch User Manual
Installation Drawings
35
Figure 22 Control connection location diagram: 800 – 1000 amp Liebert STS2
PROGRAMMABLE
RELAY
SEE
OPTION
LOCATION
DETAIL
BOARD
(OPTION)
SEE
NOTE
2
Liebert IS-WEB/485 Card (Option)
COMMS BOARD FOR LIEBERT
SITESCAN, EXTERNAL MODEM
INTERFACE (OPTION)
FRONT
VIEW
WITH
FRONT
D
OOR
R
EMOVE
D
CONTROL WIRING
PS213800
Rev. 1
OPTION
LOCATION
DETAIL
SELECT
(OPTION)
REMOTE
SOURCE
BOARD
(OPTION)
SEE
NOTE
2
PROGRAMMABLE
RELAY
INPUT
CONTACT
ISOLATOR
BOARD
(OPTION)
OR
PROGRAMMABLE
RELAY
BOARD
(OPTION)
SEE
NOTE
2
RELAY BOARDS CAN BE USED.
2. MAXIMUM OF TWO (2) PROGRAMMABLE
1.
TYPICAL
OPTIONS
ARE
SHOWN.
NOTES
: