Control method for combined refrigerating multi-split air conditioner system
A multi-connected air conditioner and control method technology, which is applied to air conditioning systems, heating and ventilation control systems, refrigerators, etc., can solve the problems of low utilization rate of natural cold sources and underutilization of natural cold sources, and improve production efficiency and product quality, broaden the working temperature range, and high reliability
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[0059] See figure 1 with figure 2 The structure of the compound refrigeration multi-unit air-conditioning system in this embodiment is set as: two or more outdoor compound refrigeration modules 1 are arranged on the outdoor side to form the cold source system of the multi-unit air-conditioning system, and one or More than one direct evaporative indoor air cooler module 3, the refrigerant storage and delivery unit 2 is connected between the outdoor composite refrigeration module 1 and the indoor air cooler module 3 through the liquid collection pipe 4, the liquid supply header 5 and the return air header 6 to form a closed Circulation system.
[0060] Such as figure 2 As shown, the outdoor composite refrigeration module 1 in this embodiment is composed of a vapor compression refrigeration cycle of the first refrigerant and a composite refrigeration cycle of the second refrigerant through the heat exchanger 14, and the second refrigerant is fed to the indoor air cooler module 3 D...
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