HEAT SOURCE-SIDE UNIT AND AIR CONDITIONING DEVICE

摘要

A heat-source-side unit 100A includes a body case 120A having an air inlet 121 A and an air outlet 122A, a heat exchanger 103A1 contained in the body case 120A and disposed to an air passage between the air inlet 121 A and the air outlet 122A, and a damper 143A disposed above the heat exchanger 103A1 and configured to open and close the air passage. The damper 143A is closed in a defrosting operation that removes frost on the heat exchanger 103A1.