GREE DC Inverter Side Discharge VRF Ⅱ for North America
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1.2.2 Operation Flow Chart of Outdoor Unit
(1) Cooling operation
(2) Heating operation
1.3 Unit Control Functions
1.3.1 Control functions of outdoor unit
(1) Include the following contents.
(2) Compressor capacity output.
(3) Compressor start-up control.
(4) Outdoor fan control.
(5) Defrosting control.
(6) Heating EXV control.
(7) Subcooling valve control.
(8) Refrigerant lacking control.
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