Installation guide
23Installation Guide Silcon DP300E Series 480V 120-160kVA
7OH0006 US rev. 03
Remarks:
X003 and X004, auxiliary contacts:
When switching Q001, Q002, Q010, MCCB1, and MCCB2 from “ON or 1” to “OFF or
0” the auxiliary contacts have to give a signal before the corresponding utility switch
is opened. When switching from “OFF or 0” to “ON or 1” the auxiliary contact has to
be activated with max. 0.5 sec. delay from the corresponding main switch.
When switching Q003 from “OFF or 0” to “ON or 1” the auxilliary contact has to give
a signal before Q003 is closed. When switching from “ON or 1” to “OFF or 0” the
auxilliary contact has to be activated with max. 0.5 sec. delay
X005, output relays:
The battery operation signal is 30 secs. delayed, but inhibited during battery tests.
The common fault relay is delayed. Standard factory setting is 0 sec., however other
periods can be programmed as described in User Guide chapter 4.
Same phase as power source for the output relays is mandatory for voltages above
170V.
Terminals X001, X003, X005, X004, X012:
Cable size AWG18 to AWG14, use solid copper conductors only.
NOTE:
All alarm and signal circuit field
wiring shall be rated 300V
minimum.
Connection
Besides previous mentioned the SII-board also have input facilities for emergency
shut down and temperature compensation of the charge voltage for external battery
(used together with the battery monitor, see also User Guide). “Battery operation”
and “Common fault” are the two main status relay signals also coming from the SII-
board.
4.2.2 Connections
System Integration Interface
NOTE:
When installing UPS systems
with Emergency Power Off
(EPO) all input sources must be
provided with disconnecting
device when activating EPO
X004 X003
X012
X001
S002
X005
S001










