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)
