US Patent 10473340 Indoor unit for air-conditioning apparatus

The present invention provides an indoor unit for an air-conditioning apparatus which can separately control separate air-sending devices according to an operation state of two outdoor units connected with the indoor unit, and can pass winds generated by the separate air-sending devices to separate heat exchangers without any waste. This indoor unit for an air-conditioning apparatus includes; one box-shaped casing having an air inlet and an air outlet; a partition plate part partitioning the inside of the box-shaped casing to form two wind passages; separate air-sending devices provided respectively in the wind passages to suction air through the air inlet into the wind passage and blow out the air through the air outlet; and separate heat exchangers provided respectively in the wind passages between the separate air-sending device and the air outlet, connected respectively with independent outdoor units to configure separate refrigerant circuits, and air-conditioning the air suctioned.