18 XR Series Installation and Technical Instructions
Wiring
3.1 Wiring the XR 4500, 4500TL or 6500
Power Wiring XR displays are wired for power at the factory. The factory supplied power
cable can be removed for direct AC wiring if necessary.
HIGH VOLTAGE! Only trained
personnel should attempt this
procedure.
AC wiring must be terminated at
the AC Power Terminal Block, not
directly at the Power Supply board.
1. Ensure the unit is disconnected from power and open the enclosure.
Detach the electronics carriage to free up space.
2. Loosen the standoff nuts and remove the terminal block from the
mounting posts.
3. Disconnect the factory supplied power cord from the terminal block
and grounding post. Do not remove the internal ground wire.
4. Loosen the strain relief and pull the power cord through. Run the new
power cable through the strain relief. Leave about 6 inches of wire to
work with and tighten the strain relief.
5. Connect the new ground wire to the grounding post and tighten nut.
The internal ground wire runs from the grounding post to Pin 1 on the
terminal block.
6. Wire the new power cable to the terminal block. See the table below:
7. Replace the terminal block and fasten on mounting posts.
Wiring
AC POWER TO TERMINAL BLOCK
HOT (+) PIN 3
NEUTRAL (-) PIN 2
GROUND (GND) PIN 1
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