Carrier Corporation

Jingwei Sun

Liang Chang

Pei Sun

Jian Ni

Qing Lu

Lishan Wang

A water circulation system for air conditioning system and a control method thereof, wherein the water circulation loop comprises: a main loop provided with air-conditioning indoor units, air-conditioning outdoor units and an actuator, and a bypass branch connected between upstream and downstream of the air-conditioning outdoor units and provided with a bypass valve; the control method comprises: Sstarting the water circulation system after receiving a start command; Sexecuting a PID control step after initialization and a first preset time period of the water circulation system; Sexecuting a feed forward control step when the operating states of the air-conditioning indoor units and/or the air-conditioning outdoor units are changed, and going back to execute the PID control step after a second preset time period; and Sexecuting a shutdown step of the water circulation system after receiving a shutdown command.

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Shanghai, China

Jingwei Sun