EXTERNAL BATTERY CABINET INSTALLATION
Eaton FERRUPS FE/QFE UPS (500 VA–18 kVA) Installation Guide
S
164201403 Rev B
www.eaton.com/powerquality
64
Now, go to the batteries. Find the positive (
+
) and negative (
-
)
cables that come from the UPS and strip 0.5
I
(1.3 cm) of insulation
from the end of each cable. Insert the positive (
+
) cable into the
positive (
+
) terminal at the back of the external battery cabinet.
Next, connect the negative (
-
) cable to the negative (
-
) terminal at
the back of the external battery cabinet. Tighten the terminal
connections securely.
NOTE
If you have an external DC disconnect switch, refer to the instructions that came
with your disconnect switch.
Now, turn the DC ON/OFF switch on the external battery cabinet(s)
to the ON position. Leave the UPS DC switch in the OFF position.
13.
Use the meter to check for proper nominal DC voltage at the UPS
end of the cable. Verify that the polarity agrees with the markings
on the UPS battery terminals.
Table 29. Nominal Battery Voltage
Models
Nominal Battery
Voltage
QFE 500 VA, 700 VA, 850 VA, 1.15 kVA, and 1.4 kVA
12 Vdc
FE
500 VA, 700 VA, and 850 VA
24 Vdc
QFE 1.8 kVA, 2.1 kVA, 3.1 kVA, 4.3 kVA, 5.3 kVA, and 7 kVA
FE
1.15 kVA, 1.4 kVA, 1.8 kVA, 2.1 kVA, 3.1 kVA, 4.3 kVA, 5.3 kVA,
and 7 kVA
48 Vdc
FE and QFE 10 kVA, 12.5 kVA, and 18 kVA
120 Vdc
After you have checked the DC voltage, turn the DC switch on the
external battery cabinet(s) to the OFF position.
14.
Complete the phase check beginning on page 67.
