R90 ONLINE USER’S MANUAL
UNINTERRUPTIBLE POWER SUPPLY (UPS)
Xtreme Power Conversion Corporation (Rev 3/7/14)
Page 22
Remote Emergency Power Off (EPO) for Parallel Systems
EPO for parallel systems must be connected in parallel and installed as shown below. Once the EPO
function of one of the UPS in the parallel system is activated, the UPS will send out a remote command
and shut down the other UPS’s in the parallel system.
CAUTION!
The remote emergency kill switch must be voltage-free and “normally open”.
EPO CONNECTIONS FOR PARALLEL SYSTEMS