Water circulation system for air conditioning system and control method thereof
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United States of America Patent
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Mar 16, 2021
Grant Date -
Nov 14, 2019
app pub date -
May 10, 2019
filing date -
May 11, 2018
priority date (Note) -
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Abstract
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: S100, starting the water circulation system after receiving a start command; S200, executing a PID control step after initialization and a first preset time period of the water circulation system; S300, executing 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 S400, executing a shutdown step of the water circulation system after receiving a shutdown command.
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