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8
5 – Wiring
DANGER! LETHAL HIGH VOLTAGE HAZARD!
All wiring should be performed by a qualified electrician, in accordance with the warnings in this manual and all applicable
electricalandsafetycodes.Incorrectwiringmaycauseseriouspersonalinjuryandpropertydamage.Read,studyand
understand the warnings listed in Section 2 – Important Safety Instructions before proceeding.
5-1 Wiring Preparation
5-2 Terminal Block Diagram
5-3 Electrical and Cable Data
• De-energizeallinputandoutput(ACandDC)oftheUPSsystemandexternalbatterypack.
• Markallcablesaccordingtotheircorrectpurpose,polarity,phaseanddiameter.
• ReviewthediagraminSection 5-2tofamiliarizeyourselfwiththeterminalblock.
• ConsultthetableinSection 5-3 to find the correct electrical input/output characteristics for the UPS system, including the required input/
outputcabling.(ACcablingisuser-supplied;DCcablingisincluded.)
R-S-T-N1: Terminals for AC utility input power.
G1: Terminal for UPS system input ground.
G2: Terminal for UPS system output ground.
L21-N22: Terminals for UPS system output.
Note: The maximum current for each terminal is 50 amperes.
AC Input and Output (75°C Minimum Copper Wire)
MaximumCurrent ConductorDiameter Torque Force
54.3 amperes 4.6mm(#6AWG) 2.60N•m(23in•lb)