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Battery Cabinet Installation
59
Powerware
®
FERRUPS FE/QFE UPS (500 VA–18 kVA) Installation Guide : Rev A www.powerware.com
NOTE If you have an external DC disconnect switch between the UPS and batteries,
see the instructions that came with your disconnect switch.
8. Clean the cable and battery post (terminal) before you make
the battery connection. Apply a thin coating of
high-temperature conductive grease on the post and cable
terminals to slow corrosion. If you use a nonconductive grease
like petroleum jelly, do not apply any grease before you make
the connections. Instead, make the connection first; then,
torque it to the torque values shown below for your battery.
After you have made the connection, apply a coating of the
nonconductive grease to the hardware at the battery terminals.
When you make battery terminal connections, use the torque
wrench to tighten the battery terminal connections securely.
For most batteries, you can find out what torque value to use
by finding the battery number (BAT-XXXX) on the top of the
battery. Then, use Table 28 to find the torque value for that
battery.
Table 28. Battery Torque Value
Battery Type Torque
BAT-0046 Torque to 65 in lb (7.3 Nm)
BAT-0048 Torque to 65 in lb (7.3 Nm)
BAT-0050 Torque to 75 in lb (8.4 Nm)
BAT-0053 Torque to 40 in lb (4.5 Nm)
BAT-0103 Torque to 40 in lb (4.5 Nm)
BAT-0122 Torque to 65 in lb (7.3 Nm)
Other batteries do not have a battery number on the top. To
find the torque value for these batteries, check the battery
terminal type; then, use Figure 23 to find the torque value for
that terminal type.