Patent ID: 11732920

Abstract:
An air conditioning system (1) has a heater unit (3) providing a hot water flow (7) and receiving a hot water return (31) in hot water loop, a chiller unit (5) providing a cold water flow (13) and receiving a cold water return (33) in a cold water loop, one or more air to water heat exchangers (17), and one or more control valves (11), each control valve (11) associated with one of the air to water heat exchangers (17) and arranged to receive the hot water flow (7) and cold water flow (13), selectively provide the flow from a one of the hot water loop or cold water loop to the associated air to water heat exchanger (17), receive a return from the associated air to water heat exchanger (17), and selectively provide the return from the associated air to water heat exchanger (17) to the return of the one of the hot water loop or cold water loop.