Vertiv Liebert STS2 - 9.1.2 Source Transfer

Vertiv™ | Liebert® STS2/PDU
™
User Manual | Rev. 6 | 10/2017 62
Figure 52 Control wiring for Comms board
TB51 TB55 TB56
J81
Customer-Supplied
Interconnecting
Cable to Liebert SiteScan
3
2
1
J1A
PS213003
Rev. 4
Notes
1. Maximum cable length 1000 ft. (300m)
with twisted pair cable #22 AWG 300V minimum.
2. All control wiring (by others) must be run
separate from power wiring. Control wiring
runs should not be combined in the same conduit.
3. Refer to control connection location diagram
of static transfer switch for location of Comms Board.
4. All wiring must be in accordance with national
and local electrical codes.
COMMS BOARD
02-810015-XX
TB55
Detail A
Liebert Sitescan
See Detail A
No Customer
Connection
No Customer
Connection
See
Note 1