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The purpose of the thermostat OB wire in a heating and cooling system is to control the reversing valve in a heat pump system, which changes the system from heating to cooling mode or vice versa.

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10mo ago

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Related Questions

What is the purpose of a thermostat cable in a heating and cooling system?

The purpose of a thermostat cable in a heating and cooling system is to connect the thermostat to the heating and cooling equipment, allowing the thermostat to communicate with the system and control the temperature in the building.


What is the purpose of the thermostat R wire in a heating and cooling system?

The purpose of the thermostat R wire in a heating and cooling system is to provide power to the thermostat, allowing it to control the heating and cooling equipment in the system.


What is the purpose of an orange thermostat wire in a heating and cooling system?

The purpose of an orange thermostat wire in a heating and cooling system is to connect the thermostat to the heating and cooling equipment, allowing the thermostat to control the temperature settings and activate the system as needed.


What is the purpose of the brown thermostat wire in a heating and cooling system?

The purpose of the brown thermostat wire in a heating and cooling system is to connect the thermostat to the heating and cooling equipment, allowing the thermostat to control the temperature settings and activate the system as needed.


What is the purpose of the thermostat power wire in a heating and cooling system?

The purpose of the thermostat power wire in a heating and cooling system is to provide electrical power to the thermostat, allowing it to control the temperature settings and activate the heating or cooling system as needed.


What is the purpose of the thermostat C wire and how does it function in a heating and cooling system?

The purpose of the thermostat C wire is to provide a continuous source of power to the thermostat. In a heating and cooling system, the C wire completes the circuit and allows the thermostat to communicate with the HVAC system, enabling it to control the heating and cooling functions effectively.


What is the purpose of the RC wire on a thermostat?

The purpose of the RC wire on a thermostat is to provide power to the cooling system of the HVAC (heating, ventilation, and air conditioning) system.


What is the purpose of the W2 wire on a thermostat?

The purpose of the W2 wire on a thermostat is to control the second stage of heating in a heating and cooling system. It is used when additional heating power is needed to maintain the desired temperature in a space.


What is the function of a thermostat transformer in a heating and cooling system?

The function of a thermostat transformer in a heating and cooling system is to convert the standard voltage from the electrical system into a lower voltage that can be safely used by the thermostat to control the heating and cooling equipment.


What is the purpose of the blue thermostat wire in HVAC systems?

The purpose of the blue thermostat wire in HVAC systems is to connect the thermostat to the air handler or furnace, allowing the thermostat to control the heating and cooling system.


What is the purpose of the white thermostat wire in HVAC systems?

The purpose of the white thermostat wire in HVAC systems is to connect the thermostat to the air handler or furnace, allowing the thermostat to control the heating and cooling system.


What is the purpose of a thermostat in a heating system?

The purpose of a thermostat in a heating system is to regulate and maintain the desired temperature by turning the heating system on or off as needed.

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