DK-3716-F201-TP

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Part Status:	Active

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DK-3716-F201-TP Application Field and Working Principle

DK-3716-F201-TP, developed by Danfoss, is a microprocessor-controlled room thermostat dedicated to cooling applications in small rooms. The device is applicable to control single circuits or several circuits (max. 5) at the same time. It allows user to set time, temperature, circulation speed and several other parameters to optimize comfort and energy conservation.

Applications

The DK-3716-F201-TP is designed to perfectly accommodate cooling applications in small rooms, such as cooling of the bearings in industrial cooling equipment, auto cabin air conditioners, and others. The device is also ideal for systems where the maximum power is different from the nominal power, such as for electric boilers, electric ovens, and electric (or solar) water heaters.

Components and Features

The thermostat is composed of several components in order to meet the cooling requirements. The central microcontroller acts as an interface between the user interface and the external control circuits. Most parts of the device are electromechanical components, such as relays and capacitors, providing protection against corrosion, allowing programming and controlling the external devices. The user interface can be operated manually with switches and displays.

Working Principle

The working principle of DK-3716-F201-TP is based on comparing the temperature settings to that of the actual room. When the room temperature rises beyond the threshold set by the user, the microcontroller will send a signal to the control circuits to switch on the cooling system, thus cooling the room off. Once the temperature is brought to the set point, the microcontroller will command the control circuits to switch the cooling system off. To ensure the temperature stability, the algorithm of the device adopts a PI regulation (proportional-integral) with an adjustable parameters.

Conclusion

The DK-3716-F201-TP microprocessor-controlled room thermostat is a man-machine interface, which is capable of controlling the temperature level in accordance with user requirements. The device is applicable to control the cooling systems in small rooms and is equipped with separate components such as a microcontroller, relays, capacitors and other parts. Its working principle is based on comparing the temperature settings to that of the actual room and sending the signal to the control circuits to switch on the cooling system. To ensure temperature stability, the device adopts a PI regulation (proportional-integral) with adjustable parameters.

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