EXTERNAL BATTERY CABINET INSTALLATION
Eaton FERRUPS FE/QFE UPS (500 VA–18 kVA) Installation Guide S 164201403 Rev B
www.eaton.com/powerquality
63
S If your external battery cabinet has a DC switch on the front, the
positive and negative cables connect to the terminal strip in the
back of the external battery cabinet. First, find the positive (
+)
cable, and strip 0.5I (1.3 cm) of insulation from the end. Insert
the cable into the positive (
+) external battery cabinet terminal.
Next, strip 0.5I (1.3 cm) of insulation from the end of the
negative (
-) cable, and connect that cable to the negative (-)
terminal in the external battery cabinet. Tighten both terminal
connections securely.
If your external battery cabinet does NOT have a DC switch,
refer to your battery installation diagram. Connect the positive
(
+) cable to the DC fuse, and connect the negative (-) battery
cable to the most negative terminal on your batteries.
NOTE If you have an external DC disconnect switch, refer to the instructions that came
with your disconnect switch.
S Now, connect the battery cables to the UPS by plugging the
removable DC connector into the matching connector on the
back of the UPS.
S If the external battery cabinet has a DC switch, turn the switch
to the ON position.
FE or QFE 4.3–18 kVA
If your external battery cabinet has a DC switch, verify that the
switch is is in the OFF position. Verify that the UPS DC Switch is in
the OFF position; then, find the battery cables that you will connect
between the UPS and the batteries.
Connect the cables to the UPS first; to do this, strip 0.5I (1.3 cm) of
insulation from the end of the negative (
-) and positive (+) cables.
Next, connect the negative (
-) cable to the negative (-) terminal on
the UPS terminal strip; then, connect the positive (
+) cable to the
positive (
+) terminal on the UPS terminal strip. Tighten the terminal
connections securely.
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