| 摘要 |
<p>PURPOSE: A multi air conditioner is provided to minimize noise, and to prevent the generation of condensed water by attaching a sound insulation member. CONSTITUTION: A multi air conditioner comprises outdoor units(5), indoor units(1,2,3,4), and a distributor(6). The outdoor units comprise a compressor(22), an outdoor heat exchanger(50), a cooling-and-heating switching valve(60). The indoor units comprise an expansion unit and an indoor heat exchanger. The distributor connects the indoor units and outdoor units The distributor comprises a lower pressure valve(74), a high pressure valve(76), and a controller. The low pressure valve controls the flow of the refrigerants in low pressure. The high pressure valve controls the flow of the refrigerants in high pressure between the distributor and the indoor units. The controller controls the opening angles of the high and low pressure valves.</p> |
