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16
Installation
2.4 Wiring the UPS
DANGER: Before starting, make sure line power is turned off and that the UPS’s
battery and input circuit breakers are turned off.
If stranded wires are used for the input and output terminal blocks, ferules MUST
be used.
Tools and Materials Required
• Slot head screwdriver to fit the terminal blocks.
• Maximum 12 AWG copper wire rated to at least 90°C for the input and output power
terminal blocks (or as specified by the local electrical code).
Procedure
1. Connect the battery temperature sensor
to the UPS. Attach the sensor end of the
cable to the side of the centre battery as
shown in Figure 2.3.1.
2. If used, connect:
• The Ethernet port.
• The RS-232 port.
• The dry contacts.
• The user inputs.
3. Connect the load line to the UPS’s output
terminal block.
4. Connect the line power line to the UPS’s
input terminal block.
DANGER: Before proceeding,
verify the line wire is attached to
the line terminal block, the ground
wire is attached to the ground
terminal block and the neutral wire
is attached to the neutral terminal
block to prevent accidental shocks
or electrocutions.
5. Connect the external battery.
Wiring Finished