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2
Connect the AC Input and AC
Output Cables
Warning: Use compression type lugs ONLY.
Do not loosen or add cables to any factory preinstalled
cables on busbars. Use the front part of busbar for
connection only.
See Also: For different grounding configurations please
see manual 990-3606.
Single mains
Connect the AC input cables
and the neutral to the input
cable landings.
Connect the AC output
cables and the neutral to the
output cable landings.
Connect the ground cables to
the studs (earth symbol
beneath) using a screw.
Dual mains
Connect the DC Battery Cables
(if applicable)
Connect battery cables BAT+,
BAT–, and N to the battery cable
landings.
Connect the Communication
Cables
Warning: Make sure that the UPS is completely OFF as
the connectors are very close to the power busbars.
J106 (XR Battery Enclosure) and J108 (EPO)
Note: Use only 1-1½ mm² copper wire for the connection of
the Emergency Power Off (EPO) and other optional
equipment.
Note: The UPS must be connected to either a dry contact or
a 24 VDC EPO (Emergency Power Off) switch.
Note: The external EPO +24 VDC, 1500 mA circuit can be
supplied through other vendors.
Note: Always follow the pin connection procedures from
the top and work down: J106 (8-1), J108 (1-6).
Remove the
three busbars A,
B, and C by
removing two M6
screws from each
busbar.
Connect the AC
input cables and
the neutral to the
input cable
landings.
Connect the
bypass cables and
the neutral to the
bypass cable
landings.
Connect the
output cables and
the neutral to the
output cable
landings.
Connect the
ground cables to
the studs (earth
symbol beneath)
using a screw.
J108 pin connections:
1 Normally open EPO
2 Normally open EPO return
3 Normally closed EPO
4 Normally closed EPO return
5 +24 V SELV supply
6 SELV ground
J106 pin connections:
8 Ext. charging control return
7 External control of charging
6 Q3 active return
5 Q3 active
4 Battery measurement supply*
3 Battery unit quantity*
2 Max. battery temperature*
1 Battery measurement return*
* Should be used with MGE Galaxy
3500 XR Enclosures