User Guide

3-3
Power Cords and Ground Wire Connection
Connecting the AC Power Cord
AC power socket (recommended)
You are recommended to use a single-phase three-wire power socket with a neural point or a
multifunction PC socket. The neutral point of the power in the building must be well grounded. Usually,
the neutral points of power supplies in buildings are already grounded during cabling. Still, you need to
check that the power supply of the building is reliably grounded.
Connecting the AC power cord
Step 1: Connect one end of the ground wire (delivered with the AC) to the grounding terminal on the rear
panel of the chassis and the other end to the near ground.
Step 2: Connect one end of the power cord to either power socket on the rear panel of the chassis, and
the other end to the power supply.
Step 3: Install the power cord retainer for the AC power cord. Insert the two ends of the power cord
retainer into the slots on both sides of the AC power socket, and then set the power cord into the notch
of the power cord retainer.
Figure 3-4 Install the AC power cord retainer
(1) Rear panel of the AC (2) Power cord retainer slots
(3) AC power cord retainer (4) AC power cord
z The AC power cord retainer can prevent the AC power cord from falling off.
z Whether a power cord retainer is needed depends on the power supply system of the country.
Step 4: Check whether the corresponding PWR LED on the front panel of the AC is ON. If the LED is ON,
the power cord is properly connected.
Make sure that the ground wire is properly connected before powering on the AC.