Liebert POWER PROTECTION STATIC TRANSFER SWITCH User Manual

Page of 152
Installation Drawings
33
Figure 21 Control connection location diagram: 100 – 600 amp STS2
NOTES:
1. TYPICAL OPTIONS ARE SHOWN. 
FRONT VIEW WITH FRONT DOOR REMOVED
CONTROL WIRING
COMMS BOARD FOR SITESCAN,
INPUT CONTACT ISOLATOR BOARD
PROGRAMMABLE RELAY 
    SEE OPTION
OPTION LOCATION DETAIL
LOCATION DETAIL
BOARD (OPTION) SEE NOTE 2
(OPTION) OR PROGRAMMABLE RELAY 
EXTERNAL AND INTERNAL
CARD (NIC) (OPTION)
 
NETWORK INTERFACE
MODEM INTERFACE (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