3.8.4 Battery and External Battery Breaker connection
_
+
Q1
0 OFF I O
N
Q2
0 OFF I O
N
BATTERY
PE
SGS_225-300_S2_U
PS connection batte
ry_01US
19
17 18
6
7
20
9
8
21
10
22
11
15
14
3 4
16
5
1
2
3
4
1
2
3
4
Typical installation using
common NEMA two hole lugs
Fig. 3.8.4-1 Power connections Battery
Fix the cables on accessory
“A”
with the enclosed cable ties (see
Fig. 3.8.2-1)
.
Battery Cable Terminations
are to the
Positive
and
Negative Terminals
as shown above.
Connect wire to the
Lugs
using appropriate tools and appropriate torque.
Torque specification for
Input/Output
and
DC
power connections on
Bus Bars
:
see Section 3.8.1
.
Battery connection
+
Positive pole of the battery
-
Negative pole of the battery
Do not insert the
Battery Fuses
before the
commissioning!
PE
Battery ground
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. 3.8.4-2 External battery breaker connection
For connection or disconnection of the
Battery an external breaker
CB
with
UVR
is required.
The
UVR
of the external breaker must be
connected to terminal
XA
(see
Fig. 4.1.6-1
).
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).
Modifications reserved
Page 28/40
OPM_SGS_ISG_M22_M30_2US_V010.doc
Installation Guide
SG Series 225 & 300 UL S2
