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OPM_SGS_ISG_M75_M75_2US_V010.doc
Installation Guide
SG Series 750 UL S2
&
SG Series 750 T12 UL S2
3.9.4 Battery and External Battery Breaker connection
-
+
SGS
_750
_U
PS c
on
nec
tio
n b
at
tery
_GE_
01_U
S
Typical installation using
common NEMA two hole lugs
Fig. 3.9.4-1 SG Series 750 & SG Series 750 T12 power connections Battery
Use
M12x35 bolts
for the cable connections on BATTERY power wiring
Bus Bars
.
Battery Cable Terminations
are to the
Positive
and
Negative Terminals
as shown above.
Connect wire to the
Bus Bars
using appropriate tools and appropriate torque.
Torque specification for two hole lugs on
Bus Bars
: see
Section 3.9.1.
Battery
+
Positive pole of the Battery
–
Negative pole of the Battery
Do not insert the
Battery Fuses
before the commissioning.
NOTE !
To meet standards concerning electromagnetic compliance, the connection
between the UPS and external
Battery
must be done by using a shielded cable or
suitable shielded (steel) conduit!
External Battery Breaker Release
Fig. 3.9.4-2 External battery breaker connection
For connection or disconnection of the Battery,
either an external breaker
CB with UVR
, or external
fuses are required.
In case of the external breaker a release signal, must
be connected to terminal
XA
(see
Fig. 4.1.5-1
).
The release signal will allow, after the Rectifier soft-
start, the manual closure of the breaker.
In either case, fuses or breaker, an auxiliary contact must signalize the closure of breaker or fuse
holder to Input channel 1 of the
P4 - Customer Interface
(see
Section 4.1)
.
Contact must be open with Battery disconnected (Normally open).
