Gree GMV-ND07PLS/A-T(U) Service Manual page 110

Multi Variable Air Conditioners Indoor Unit for North America
◆The yellow and green wire inside the air conditioner is the earthed wire. Do not use it for other
purpose or even cut off it. Do not fix it with tapping screw, Otherwise it may cause electric shock.
◆The earthed resistance must meet the requirements of national standard GB17790.
◆There should be reliable earthed terminal for the power supply. Never connect the earth lead to
the following articles:
①water pipe; ②gas pipe; ③drain pipe; ④unreliable place considered by professionals.
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