Gree R410A, Manual

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for North America
5) Connect the unit to specialized grounding device and make sure it is securely grounded. It’s a must to
install air switch and current circuit breaker that can cut off the power of the entire system. The air switch
should include magnetic trip function and thermal trip function so that system can be protected from short
circuit and overload.
6) Air conditioner belongs to class I electrical appliance, so it must be securely grounded.
7) The yellow-green wire inside the unit is a ground wire. Do not cut it off or secure it with tapping screws,
otherwise it will lead to electric shock.
8) Power supply must include secure grounding terminal. Do not connect the ground wire to the following:
Water pipe
；
Gas pipe
；
Drain pipe
；
Other places that are deemed as not secure by professional
technicians.
9.1Wiring Diagram
1) Connection of power cord and communication wire
Separate power supply for Indoor and Outdoor
2) The wiring diagram for power cord of outdoor unit and communication wire.
There are two wiring diagrams for communication wires of indoor/outdoor units and remote monitor:
(1) Real line method;
(2) Broken line method. Please select it based on the actual installation situation.
There are two wiring diagrams for power cord:
(1) Real line method;
(2) Broken line method. Please select it based on the actual installation situation.
Photovoltaic Direct-driven VRF