Connections; Connection Points; Connection Diagrams - MGE UPS Systems Galaxy 5000 Installation Manual

3. Connection

3.1 Connection points

A
A

3.2 Connection diagrams

Connection for a type 1 cabinet without insulation monitor (see electrical characteristics table)
QF1 battery
circuit-breaker
battery
circuit-
breaker
cabinet
Galaxy 5000
XMB 08 XMB 07 XMS 06
- Page 6
34002025EN/AA
B- B+
QF1
XR1 XR2
L- L+
to battery
B- B+
L- L+
to inverter
to battery
auxiliaries
to inverter
cubicle
position QF1 tripping:
contact of 24V under
QF1 circuit- voltage coil
breaker
11 14 D1 D4
1 2 3 4
XR1
terminal
block
Cabinet for Galaxy 5000 of 20 kVA to 160
kVA (with battery backup time < or = to 10
mn), and of 20 kVA to 100 kVA (with battery
backup time > 10 mn):
◗
connection to the inverter on 25 x 5 mm
copper terminals with 8.2 mm diameter
holes,
◗
connection to the battery on 25 x 5 mm
copper terminals with 8.2 mm diameter
holes,
◗
earth connection on 8 mm diameter
threaded rod, or on 50 x 5 mm copper
terminal.
Cabinet for Galaxy 5000 of 100 kVA to 120
kVA (with battery backup time > 10 mn):
◗
connection to the inverter on 32 x 8 mm
copper terminals with 12.2 mm diameter
holes,
◗
connection to the battery on 32 x 10 mm
copper terminals with 12.2 mm diameter
holes,
◗
earth connection on 8 mm diameter
threaded rod, or on 50 x 5 mm copper
terminal.
◗
the cross-section of the power cables is
given in the tables in the section entitled
"characteristics of cabinet",
◗
recommended cross-section of auxiliary
conductors: 1 mm 2 (terminal acceptance
capacity: 2.5 mm 2 ),
◗
make sure that the auxiliary conductors and
power cables do not follow the same path,
◗
power cables and auxiliary conductors are
not supplied.
Important: leave the QF1 circuit-breaker in
"off" position until the Galaxy 5000 unit has
been commissioned.