A multi-split air-conditioner and an outdoor unit system thereof are provided. The outdoor unit system includes: a compressor (1) having a gas outlet (a) and a gas inlet (b); an outdoor heat exchanger (2) having an inlet (c) and an outlet (d); a switching assembly (3) having first to sixth ports, wh
A multi-split air-conditioner and an outdoor unit system thereof are provided. The outdoor unit system includes: a compressor (1) having a gas outlet (a) and a gas inlet (b); an outdoor heat exchanger (2) having an inlet (c) and an outlet (d); a switching assembly (3) having first to sixth ports, wherein the first port (e) is connected with the gas outlet (a) of the compressor (1), the second port (f) is connected with the gas inlet (b) of the compressor (1), the third port (g) is connected with the inlet (c) of the outdoor heat exchanger (2), the fourth port (h) is connected with the outlet (d) of the outdoor heat exchanger (2), the fifth port (i) is connected with an inlet pipe (4) and the sixth port (j) is connected with an outlet pipe (5).
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1. An outdoor unit system of a multi-split air-conditioner, comprising: a compressor having a gas outlet and a gas inlet;an outdoor heat exchanger having an inlet and an outlet;a switching assembly having first to sixth ports, wherein the first port is connected with the gas outlet of the compressor
1. An outdoor unit system of a multi-split air-conditioner, comprising: a compressor having a gas outlet and a gas inlet;an outdoor heat exchanger having an inlet and an outlet;a switching assembly having first to sixth ports, wherein the first port is connected with the gas outlet of the compressor, the second port is connected with the gas inlet of the compressor, the third port is connected with the inlet of the outdoor heat exchanger, the fourth port is connected with the outlet of the outdoor heat exchanger, the fifth port is connected with an inlet pipe and the sixth port is connected with an outlet pipe,wherein the switching assembly comprises a first four-way valve and a second four-way valve, the first four-way valve has first to fourth valve ports, the second four-way valve has fifth to eighth valve ports, the fourth valve port is connected with the eighth valve port, the first to third valve ports and the fifth to seventh valve ports are configured as the first to sixth ports correspondingly. 2. The outdoor unit system according to claim 1, wherein the first valve port is configured as the first port, the second valve port is configured as the third port, the third valve port is configured as the fifth port, the fifth valve port is configured as the sixth port, the sixth valve port is configured as the fourth port and the seventh valve port is configured as the second port. 3. The outdoor unit system according to claim 2, wherein the first four-way valve and the second four-way valve share a switching assembly capillary which is communicated with the gas outlet of the compressor. 4. The outdoor unit system according to claim 2, wherein the switching assembly is configured as a single reversing valve. 5. The outdoor unit system according to claim 4, wherein the switching assembly comprises: a hollow shell and a sliding block slidably disposed within the shell, the shell defines first to sixth connection ports therein, the first connection port, the third connection port and the fifth connection port are formed in a side wall of the shell in a sliding direction of the sliding block and spaced from one another, the third connection port is located between the first connection port and the fifth connection port, the second connection port, the fourth connection port and the sixth connection port are formed in a side wall of the shell in the sliding direction of the sliding block and spaced from one another, the fourth connection port is located between the second connection port and the sixth connection port, a first channel and a second channel spaced from each other are formed in the sliding block, the first channel is communicated with the third connection port, the second channel is communicated with the fourth connection port, the first connection port is configured as the first port, the second connection port is configured as the second port, the third connection port is configured as the third port, the fourth connection port is configured as the fourth port, the fifth connection port is configured as the fifth port and the sixth connection port is configured as the sixth port. 6. The outdoor unit system according to claim 4, wherein the switching assembly comprises: a hollow shell and a sliding block slidably disposed within the shell, the shell defines first to sixth connection ports therein, the first connection port, the third connection port and the fifth connection port are formed in a side wall of the shell in a sliding direction of the sliding block and spaced from one another, the third connection port is located between the first connection port and the fifth connection port, the second connection port, the fourth connection port and the sixth connection port are formed in a side wall of the shell in the sliding direction of the sliding block and spaced from one another, the fourth connection port is located between the second connection port and the sixth connection port, a first channel and a second channel spaced from each other are formed in the sliding block, the first channel is communicated with the third connection port, the second channel is communicated with the fourth connection port, the first connection port is configured as the fourth port, the second connection port is configured as the third port, the third connection port is configured as the second port, the fourth connection port is configured as the first port, the fifth connection port is configured as the fifth port and the sixth connection port is configured as the sixth port. 7. The outdoor unit system according to claim 4, wherein the switching assembly comprises: a hollow shell and a sliding block slidably disposed within the shell, the shell defines first to sixth connection ports therein, the first connection port, the third connection port and the fifth connection port are formed in a side wall of the shell in a sliding direction of the sliding block and spaced from one another, the third connection port is located between the first connection port and the fifth connection port, the second connection port, the fourth connection port and the sixth connection port are formed in a side wall of the shell in the sliding direction of the sliding block and spaced from one another, the fourth connection port is located between the second connection port and the sixth connection port, a first channel and a second channel spaced from each other are formed in the sliding block, the first channel is communicated with the third connection port, the second channel is communicated with the fourth connection port, the first connection port is configured as the first port, the second connection port is configured as the second port, the third connection port is configured as the sixth port, the fourth connection port is configured as the fifth port, the fifth connection port is configured as the fourth port and the sixth connection port is configured as the third port. 8. The outdoor unit system according to claim 1, wherein the first valve port is configured as the fourth port, the second valve port is configured as the second port, the third valve port is configured as the fifth port, the fifth valve port is configured as the sixth port, the sixth valve port is configured as the first port and the seventh valve port is configured as the third port. 9. The outdoor unit system according to claim 1, wherein the first valve port is configured as the first port, the second valve port is configured as the sixth port, the third valve port is configured as the fourth port, the fifth valve port is configured as the third port, the sixth valve port is configured as the fifth port and the seventh valve port is configured as the second port. 10. A multi-split air-conditioner, comprising an outdoor unit system of a multi-split air-conditioner, wherein the outdoor unit system comprises: a compressor having a gas outlet and a gas inlet;an outdoor heat exchanger having an inlet and an outlet;a switching assembly having first to sixth ports, wherein the first port is connected with the gas outlet of the compressor, the second port is connected with the gas inlet of the compressor, the third port is connected with the inlet of the outdoor heat exchanger, the fourth port is connected with the outlet of the outdoor heat exchanger, the fifth port is connected with an inlet pipe and the sixth port is connected with an outlet pipe,wherein the switching assembly comprises a first four-way valve and a second four-way valve, the first four-way valve has first to fourth valve ports, the second four-way valve has fifth to eighth valve ports, the fourth valve port is connected with the eighth valve port, the first to third valve ports and the fifth to seventh valve ports are configured as the first to sixth ports correspondingly. 11. The multi-split air-conditioner according to claim 10, wherein the first valve port is configured as the first port, the second valve port is configured as the third port, the third valve port is configured as the fifth port, the fifth valve port is configured as the sixth port, the sixth valve port is configured as the fourth port and the seventh valve port is configured as the second port. 12. The multi-split air-conditioner according to claim 11, wherein the first four-way valve and the second four-way valve share a switching assembly capillary which is communicated with the gas outlet of the compressor. 13. The multi-split air-conditioner according to claim 11, wherein the switching assembly is configured as a single reversing valve. 14. The multi-split air-conditioner according to claim 13, wherein the switching assembly comprises: a hollow shell and a sliding block slidably disposed within the shell, the shell defines first to sixth connection ports therein, the first connection port, the third connection port and the fifth connection port are formed in a side wall of the shell in a sliding direction of the sliding block and spaced from one another, the third connection port is located between the first connection port and the fifth connection port, the second connection port, the fourth connection port and the sixth connection port are formed in a side wall of the shell in the sliding direction of the sliding block and spaced from one another, the fourth connection port is located between the second connection port and the sixth connection port, a first channel and a second channel spaced from each other are formed in the sliding block, the first channel is communicated with the third connection port, the second channel is communicated with the fourth connection port, the first connection port is configured as the first port, the second connection port is configured as the second port, the third connection port is configured as the third port, the fourth connection port is configured as the fourth port, the fifth connection port is configured as the fifth port and the sixth connection port is configured as the sixth port. 15. The multi-split air-conditioner according to claim 13, wherein the switching assembly comprises: a hollow shell and a sliding block slidably disposed within the shell, the shell defines first to sixth connection ports therein, the first connection port, the third connection port and the fifth connection port are formed in a side wall of the shell in a sliding direction of the sliding block and spaced from one another, the third connection port is located between the first connection port and the fifth connection port, the second connection port, the fourth connection port and the sixth connection port are formed in a side wall of the shell in the sliding direction of the sliding block and spaced from one another, the fourth connection port is located between the second connection port and the sixth connection port, a first channel and a second channel spaced from each other are formed in the sliding block, the first channel is communicated with the third connection port, the second channel is communicated with the fourth connection port, the first connection port is configured as the fourth port, the second connection port is configured as the third port, the third connection port is configured as the second port, the fourth connection port is configured as the first port, the fifth connection port is configured as the fifth port and the sixth connection port is configured as the sixth port. 16. The multi-split air-conditioner according to claim 13, wherein the switching assembly comprises: a hollow shell and a sliding block slidably disposed within the shell, the shell defines first to sixth connection ports therein, the first connection port, the third connection port and the fifth connection port are formed in a side wall of the shell in a sliding direction of the sliding block and spaced from one another, the third connection port is located between the first connection port and the fifth connection port, the second connection port, the fourth connection port and the sixth connection port are formed in a side wall of the shell in the sliding direction of the sliding block and spaced from one another, the fourth connection port is located between the second connection port and the sixth connection port, a first channel and a second channel spaced from each other are formed in the sliding block, the first channel is communicated with the third connection port, the second channel is communicated with the fourth connection port, the first connection port is configured as the first port, the second connection port is configured as the second port, the third connection port is configured as the sixth port, the fourth connection port is configured as the fifth port, the fifth connection port is configured as the fourth port and the sixth connection port is configured as the third port. 17. The multi-split air-conditioner according to claim 10, wherein the first valve port is configured as the fourth port, the second valve port is configured as the second port, the third valve port is configured as the fifth port, the fifth valve port is configured as the sixth port, the sixth valve port is configured as the first port and the seventh valve port is configured as the third port. 18. The multi-split air-conditioner according to claim 10, wherein the first valve port is configured as the first port, the second valve port is configured as the sixth port, the third valve port is configured as the fourth port, the fifth valve port is configured as the third port, the sixth valve port is configured as the fifth port and the seventh valve port is configured as the second port.
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