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, EXTERNAL 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. 1