Multi-air conditioner for heating and cooling operations
The present invention provides a multi-air conditioner for cooling and heating, which comprises: at least one indoor unit installed in an indoor space and having an indoor heat exchanger and an indoor expansion valve; an outdoor unit connected to the indoor unit through a refrigerant pipe and having...
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| Format: | Patent |
| Sprache: | eng ; kor |
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| Zusammenfassung: | The present invention provides a multi-air conditioner for cooling and heating, which comprises: at least one indoor unit installed in an indoor space and having an indoor heat exchanger and an indoor expansion valve; an outdoor unit connected to the indoor unit through a refrigerant pipe and having an outdoor heat exchanger, a compressor, an outdoor expansion valve, and a four-way valve; and at least one leakage blocking valve formed on the refrigerant pipe to block a flow of a refrigerant of the refrigerant pipe when the refrigerant is leaked from the refrigerant pipe in the indoor space. The outdoor reduces pressure of the refrigerant pipe when the refrigerant is leaked from the refrigerant pipe. Therefore, when the refrigerant is leaked to the indoor space, the present invention can minimize an amount of the leaked refrigerant.
본 발명은 실내에 설치되며, 실내열교환기 및 실내팽창밸브를 포함하는 적어도 하나의 실내기; 상기 실내기와 냉매배관을 통해 연결되며, 실외열교환기, 압축기, 실외팽창밸브 및 사방밸브를 포함하는 실외기; 및 상기 냉매배관 상에 형성되어, 상기 실내에서 상기 냉매배관으로부터 냉매 누설이 발생하면, 상기 냉매배관의 냉매 흐름을 차단하는 적어도 하나의 누설차단밸브를 포함하며, 상기 실외기는 상기 냉매배관으로부터 냉매 누설이 발생하면 상기 냉매배관의 압력을 낮추는 냉난방 멀티 공기조화기를 제공한다. 따라서, 실내에 냉매가 누설될 때, 누설되는 냉매량을 최소화할 수 있다. |
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