How does a fridge capillary thermostat work

The first step to understanding how a cooling thermostat (also called a cooling controller) works is to understand an opposite fact about the physics of cooling:
Cooling is achieved by blowing in and removing warm air, not by adding cold air.
The thermometer then measures the amount of heat. When the heat reaches a certain level, the cooling mechanism kicks in and the coolant begins to move through the labyrinth of intestinal coils and hot air is expelled.
So let’s continue to understand the operation of the capillary thermostat in the refrigerator?
Your refrigerator thermostat / refrigerator controller is basically the brain of your refrigerator’s cooling system – it is responsible for everything.
The thermostat is usually found in the refrigerator and has a knob that allows the user to adjust the temperature setting. Once the user sets the desired temperature, the thermostat maintains it by controlling the electric current in the compressor. If the thermostat is the brain, the compressor is the heart of the operation, responsible for pumping the refrigerant into the coil.
When the air in the refrigerator reaches the desired temperature, the thermostat cuts off the power to the compressor. When the thermostat detects too much heat, it allows electricity to flow, which turns on the compressor.
In most commercial refrigerators, the thermostat has a gas-filled capillary tube. As the temperature of the refrigerator rises, the gas expands and presses against the diaphragm, which activates a series of contacts that then operate the compressor.

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Post time: Aug-14-2023