Splitting box, multi-connected air conditioning system and operation method of multi-connected air conditioning system

• Main Authors: DI HAISHENG, YAN FUQIANG, ZHAO ZHANWEN
• Format: Patent
• Language: Chinese; English
• Published: 07.05.2019
• Subjects: BLASTING; COLD ROOMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS; HEAT PUMP SYSTEMS; HEATING; ICE-BOXES; LIGHTING; LIQUEFACTION SOLIDIFICATION OF GASES; MANUFACTURE OR STORAGE OF ICE; MECHANICAL ENGINEERING; REFRIGERATION MACHINES, PLANTS OR SYSTEMS; REFRIGERATION OR COOLING; REFRIGERATORS; WEAPONS

The invention discloses a splitting box, a multi-connected air conditioning system and an operation method of the multi-connected air conditioning system, relates to the technical field of air conditioners, and aims to improve comfort during refrigeration and heating. The multi-connected air conditioning system comprises an outdoor unit, a floor heating tube set and at least one indoor unit, the multi-connected air conditioning system further comprises a liquid pipe splitter which is connected between the liquid pipe end of the outdoor unit and the floor heating pipe set, and between the liquid pipe end of the outdoor unit and at least one indoor unit, an air pipe splitter which is connected between the air pipe end of the outdoor unit and the floor heating pipe set, and between the air pipe end of the outdoor unit and at least one indoor unit, and control valves each of which is arranged on a pipeline between the air pipe splitter and at least one indoor unit, and is used for limitinga refrigerant to flow fr