3
EPO wiring – pin connections J108. Connect the EPO cable using
one of the following four wiring configurations.
Pin connections J106 (UPS).
Note: When connecting the Q3 auxiliary signal, use gold-
plated N/C auxiliary switch.
Note: Reinstall the cable landing cover.
Connect APC communication options
Note: The cable routing of the power chute software and
the temperature sensor is identical.
Note: The temperature sensor is provided in a plastic bag
attached to the front of the UPS behind the front panel.
Front panel removal.
Use a coin or similar to
turn the two black lock
devices on either side of the
display in the direction of
each other to a vertical
positon.
Push the front panel
upwards and pull it outwards
to disengage the locking
device at the top of the
enclosure.
Lift the front panel free of
the two slots at the bottom of
the enclosure.
J108
1: Dry Contacts Normally Open
J108
EPO circuit
J108
EPO circuit
J108
EPO circuit
2: +24 V Normally Open
EPO is activated when an isolated SELV 24
VDC voltage is supplied on pin 1 with
reference to pin 2.
Connections: 3-5 and 4-6.
3: Dry Contacts Normally Closed
EPO is activated when a connection from
pin 3 to pin 5 is opened.
Connections: 4-6.
4: +24 V Normally Closed
EPO is activated when a SELV 24 VDC
voltage is removed from pin 3 with
reference to pin 4.
EPO circuit
+24 V
0 V
+24 V
0 V
EPO is activated when pin 1 is connected
to pins 3 and 5.
Connections: 2-4-6,
3-5 and 1 ( )
J106
Q3 switch
Charging control
switch
J200 (XR
Batteries)
Pins 1 to 4 are for battery measurement (only applicable to
MGE Galaxy 3500 XR Battery Enclosures (see J200 drawing).
Pins 5 and 6 are for external maintenance bypass Q3
(auxiliary switch N/C type).
When Q3 is closed, signals are fed back to the UPS controller
(see Q3 drawing).
Pins 7 and 8 are for external charge control. When 7 and 8 are
closed, the UPS charges batteries with a pre-defined
percentage (0-25-50-75-100%) of the maximum charging
power. To be used in generator applications, or if special
codes require control of charging.
When Q3 is closed, signals are fed back to the UPS
controller.
Model:
Serial:
BATTER
Y U
NIT
Model:
Serial:
BATTER
Y U
NIT
Model:
Serial:
BATTER
Y U
NIT
Model:
Serial:
BATTER
Y U
NIT
Model:
Serial:
BATTER
Y U
NIT
Model:
Serial:
BATTERY U
NIT
Model
:
Serial:
BATTER
Y U
NIT
Model:
Serial:
BATTERY U
NIT
(28 pages)
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