Temperature control system and method for controlling the temperature control system

Abstract

This extends the lifespan of a temperature control system that operates in heater mode, supplying a heat transfer medium heated by the compressor's power to the temperature control equipment when the ambient temperature is low. [Solution] The heat transfer medium circuit 20 includes an indoor air conditioning unit 25, a first pump 21 that pumps the heat transfer medium HM that has passed through the condenser 12, and a second pump 22 that pumps the heat transfer medium HM that has passed through the evaporator 14. The control unit 30 provides a temperature control system 100 that switches between a first heater mode, in which only the first pump 21 is operated to combine the heat transfer medium HM that has passed through the condenser 12 and the heat transfer medium HM that has passed through the evaporator 14 via a connecting passage L5 and supply it to the indoor air conditioning unit 25, and a second heater mode, in which only the second pump 22 is operated to combine the heat transfer medium HM that has passed through the condenser 12 and the heat transfer medium HM that has passed through the evaporator 14 via a connecting passage L5 and supply it to the indoor air conditioning unit 25.

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