Patent ID: 11874038
Assignee: CARRIER CORPORATION
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 10:
11. A refrigeration system comprising:
a compressor;
a condenser having one or more condenser fans;
an evaporator having an evaporator heater and one or more evaporator fans;
a thermostatic expansion valve;
a fluid path fluidly connecting the compressor, the condenser, the evaporator, and the thermostatic expansion valve; and
a controller configured to:
determine that the refrigeration system shutdown at a time less than or equal to 12 hours prior;
activate the evaporator heater;
monitor a pressure differential within the fluid path;
in response to the pressure differential reaching a predetermined value, deactivate the evaporator heater;
activate the one or more evaporator fans to cause the thermostatic expansion valve to open, and
restart the refrigeration system.