Single Ups Installation - LEGRAND NUMERIC ONFINITI User And Installation Manual

2-3. Single UPS Installation

Installation and wiring must comply with local electrical laws and regulations. Ensure that the following instructions
are executed by professional personnel.
Step 1
Ensure that the mains wire and breakers in the building comply with the standard rated capacity of the
UPS to prevent electric shock or fire hazards.
NOTE:
Do not use the wall receptacle as the input power source for the UPS, as its rated current is
less than the UPS's maximum input current. Otherwise, the receptacle may be burned and destroyed.
Step 2 Switch off the mains switch in the building before installation.
Step 3
Turn off all connected devices before connecting to the UPS.
Step 4
Prepare wires according to the following table:
Model
Input
6KVA 4
10KVA 10
NOTE:
1) It is recommended to use suitable wire in above table or thicker for safety and efficiency.
2) The selections for color of wires should be followed by the local electrical laws and regulations.
Step 5
Remove the terminal block cover on the rear panel of the UPS. Then, connect the wires according to
the following terminal block diagrams. Remember to connect the earth wire first when making wire
connections and disconnect the earth wire last when making wire disconnections.
Output Neutral
8
Wiring spec (SQMM)
Output Battery
4
10
Output Line
Terminal Block wiring diagram
NOTE: 1) Make sure that the wires are connected tightly with the terminals.
2) Please install the output breaker between the output terminal and the load, and the
breaker should be qualified with leakage current protective function if necessary.
Step 6 Put the terminal block cover back to the rear panel of the UPS.
Ground
4 4
6 6
Input Neutral
Input Line
Ground