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Connecting indoor unit power wire (single power supply)
Step 1
At the rear of the top/bottom of the indoor unit cabinet, use needle-nose pliers to remove the
knocking-piece at the top/bottom of the cabinet; remove the cable gland from the accessory
package and remove its nut. Rotate and tighten the cable gland on the knocking-piece, and
pass the power wires through it.
(Figure 3-15: In-coming Power Cable Path (Single Power Supply))
Step 2
Pass the external wire through the cable connector to the indoor unit’s Feed A terminal
L1/L2/L3 and fasten it. (Beware of the fact that, when using a single power supply, the power
cable must be connected to the main circuit power source Feed A.)
Step 3
Connect the PE line (Protective Earthling line) to the cabinet ground stud, as shown. It should
be securely locked to prevent injuries from abnormal current.
Cable Gland
Top of the Cabinet
Bottom of the Cabinet
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