Maintenance
99
The equalizing charge time period is adjustable from zero to 72 hours and can be initiated automati-
cally or manually. Refer to Battery Equalizer on page 59.
* To be completed by Liebert Global Services customer engineer at time of start-up.
4.2.5 Torque Requirements
All electrical connections must be tight.
The next Table provides the torque values for the connections in the UPS. Use these values unless the
equipment is labeled otherwise.
Table 9 Battery voltage record
Date
Float Voltage
(Volts DC)
Nominal Voltage
(Volts DC) Ambient Temp. (°F)
NOTE
Refer to battery manufacturer's manual for the proper torque values required for the battery.
(See battery manufacturer’s Website.)
Table 10 Circuit breakers with compression lugs (for power wiring)
Current Rating Lb-in N-m
400 - 1200 Amps 300 34
Table 11 Terminal block with compression lugs (for control wiring)
AWG Wire Size
or Range Lb-in N-m
#22 -- #14 3.5 to 5.3 0.4 to 0.6
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