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3.8.4 Battery and External Battery Breaker connection
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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.
+
Positive pole of the battery
-
Negative pole of the battery
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
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
OPM_SGS_ISG_M22_M30_2US_V010.doc
Q2
Q1
1
2
3
4
Fig. 3.8.4-1 Power connections Battery
Battery connection
Typical installation using
common NEMA two hole lugs
BATTERY
Do not insert the Battery Fuses before the
commissioning!
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.
_
PE
+
Page 28/40
Installation Guide SG Series 225 & 300 UL S2
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