66L060

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The 66L060 is a mechanical thermostat which is a type of temperature sensor commonly used in a number of fields. These include HVAC/R and HVAC/P systems, water heaters, process control, and general temperature-based triggering applications. This article will discuss the application field and working principle of the 66L060.

Application Fields

The 66L060 is primarily used in commercial and industrial HVAC/R and HVAC/P systems. In these applications, it is used as a temperature-sensing and control device to regulate the system’s temperature. In commercial and industrial HVAC/R and HVAC/P systems, the 66L060 is often used to control air handlers, rooftop units, fan coils, air conditioners, and other components. In addition to HVAC/R and HVAC/P systems, the 66L060 can also be used in water heaters, process control, and general temperature-based triggering applications.

Working Principle

The 66L060 is a mechanical thermostat which combines a bi-metal temperature sensing element and a mechanical switch to create a temperature-sensing and regulating device. The unit features a single adjustable temperature set-point in the range of 33degreesF to 250degreesF. The temperature set-point is adjustable with an integral knob or with an externally mounted, knob-style resistor. The adjustment range is 0-9.5 on the knob-style resistor.

When the ambient temperature changes, the bi-metal sensing element responds to the heat, expanding or contracting. This causes the mechanical switch to activate or deactivate, allowing for the regulation of temperature. When the set-point is reached, the switch activates and can be used to control other components of the system. For example, in an HVAC/R context, the switch could activate a fan or other component in order to bring the temperature back to the target level.

In addition to the temperature sensing element and the mechanical switch, the 66L060 also has a pair of electrical terminals which are used to connect the device to an electrical circuit and can be used to power the device and other components downstream. As the set-point is reached, the mechanical switch opens or closes, allowing current to pass through the circuit and activating or deactivating other components. This allows for precise control over the system temperature.

The 66L060 is designed to be reliable and long-lasting. Its durable construction helps to protect the unit from corrosion and other environmental hazards which could damage the device or reduce its lifespan. The unit also features a safety shutoff circuit which prevents it from over-heating or causing damage to other components.

Conclusion

The 66L060 is a mechanical thermostat which is commonly used in commercial and industrial HVAC/R and HVAC/P, water heaters, process control, and general temperature-based triggering applications. By combining a bi-metal temperature sensing element with a mechanical switch, the unit regulates temperature according to the adjustable set-point. It also features electrical terminals for connecting to an electrical circuit and a safety shutoff circuit to protect the unit and other components from over-heating or damage.

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