Powerware Uninterruptible Power Supply SOLA 4000 - Manual (Page 49)

SOLA 4000 - Installation and Initial Start-Up
JUE 401265 49
Connection Between UPS and Additional
Battery Cabinets
Important: Open all battery switches IB before connecting the
cables. Observe the indicated wiring polarity.
• For UPS systems with external batteries: connect the external
batteries as shown in FIG. 1.12.10
• After wiring, check that the external battery is connected with
correct polarity.
FIG. 1.12.10 UPS with additional battery cabinet
Connection of Auxiliary Contacts
For the standard battery cabinet, the terminals C1, C2, C3 and C4
are connected to the corresponding terminals in the UPS cabinet
as in FIG. 1.12.10.
If a battery is installed without standard cabinet(s), then a voltage-
free auxiliary contact (normally closed) should be provided, along
with a dc shunt trip circuit, for the battery circuit breaker / fuse
switch. The auxiliary contact is connected to the terminals C1 and
C2. The shunt trip circuit is connected in series with C3 and C4 and
the appropriate number of batteries in order to achieve the rated
shunt trip coil voltage.
1 Installation