Patent ID: 8991200
Filing Date: 2015-03-31
Classification: F24D,F24F,F25B,Y02B

Abstract:
1. An air conditioner, comprising: at least one indoor device, each having an indoor heat exchanger installed therein; at least one outdoor device connected to the at least one indoor device by a refrigerant flow path, each having a water-refrigerant heat exchanger that provides heat exchange between a refrigerant and heat source water and an outdoor device controller installed therein; a heat source water flow path connected to each water-refrigerant heat exchanger; a pump installed on the heat source water flow path; at least one variable flow valve installed on the heat source water flow path; a central controller that controls the at least one outdoor device; and a variable flow valve control board that regulates an opening degree of the at least one variable flow valve to regulate a flow rate of heat source water, wherein the variable flow valve control board is connected to the outdoor device controller via a first communication line, is connected to the central controller via a second communication line having a different communication method from that of the first communication line, and performs protocol conversion between the central controller and the outdoor device controller.