
Carrier HH57AC080 Sensor
The Carrier HH57AC080 Outside Air Temperature (OAT) Sensor is a critical 10 to 20 mA diagnostic and control component designed for Carrier, Bryant, and Payne commercial rooftop units equipped with Economi$er IV systems. Use this sensor to restore or enable outdoor air dry bulb changeover, allowing the controller to determine when ambient conditions are suitable for free cooling. By providing a precise 4-20 mA signal back to the main control board, the HH57AC080 ensures that dampers modulate correctly to minimize mechanical cooling runtime and maintain building setpoints efficiency.
This OEM-grade sensor features 8 selectable temperature changeover setpoints (ranging from 48°F to 78°F) adjustable via onboard dip switches, with a factory default typically set to 63°F. It is a direct-fit replacement for existing dry bulb sensors and can be used to convert enthalpy-based systems to dry bulb control. In differential dry bulb configurations, it works in tandem with an indoor return air sensor to compare airstream temperatures, ensuring the most cost-effective cooling source is prioritized without taxing the compressor.
Key Benefits:- Optimized Economizer Logic: Enables precise free cooling based on outdoor dry bulb temperature to reduce energy consumption.
- Selectable Changeover Points: Features 8 field-adjustable setpoints for tailored performance in diverse climates.
- Broad Compatibility: Engineered for use with Carrier 50HJ, 48TC, 50TC, and various Economi$er IV equipped rooftop units.
- Reliable Signal Output: Provides a 4-20 mA linear output for accurate communication with the system controller.
- Durable Construction: Built to withstand consistent exposure to outdoor environmental conditions within the intake airstream.
- Does this replace an enthalpy sensor? Yes, it can be used to convert a single enthalpy setup to dry bulb control by connecting it to the "SO" and "SO+" terminals.
- Where is this sensor mounted? It is typically installed in the outdoor airstream, often located behind the economizer hood or on the divider plate.
- What does a 4 mA signal indicate? In this logic, a 4 mA signal usually indicates the outdoor air is above the changeover setpoint, signaling the dampers to maintain a minimum position.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Carrier HH57AC080 Sensor
The Carrier HH57AC080 Outside Air Temperature (OAT) Sensor is a critical 10 to 20 mA diagnostic and control component designed for Carrier, Bryant, and Payne commercial rooftop units equipped with Economi$er IV systems. Use this sensor to restore or enable outdoor air dry bulb changeover, allowing the controller to determine when ambient conditions are suitable for free cooling. By providing a precise 4-20 mA signal back to the main control board, the HH57AC080 ensures that dampers modulate correctly to minimize mechanical cooling runtime and maintain building setpoints efficiency.
This OEM-grade sensor features 8 selectable temperature changeover setpoints (ranging from 48°F to 78°F) adjustable via onboard dip switches, with a factory default typically set to 63°F. It is a direct-fit replacement for existing dry bulb sensors and can be used to convert enthalpy-based systems to dry bulb control. In differential dry bulb configurations, it works in tandem with an indoor return air sensor to compare airstream temperatures, ensuring the most cost-effective cooling source is prioritized without taxing the compressor.
Key Benefits:- Optimized Economizer Logic: Enables precise free cooling based on outdoor dry bulb temperature to reduce energy consumption.
- Selectable Changeover Points: Features 8 field-adjustable setpoints for tailored performance in diverse climates.
- Broad Compatibility: Engineered for use with Carrier 50HJ, 48TC, 50TC, and various Economi$er IV equipped rooftop units.
- Reliable Signal Output: Provides a 4-20 mA linear output for accurate communication with the system controller.
- Durable Construction: Built to withstand consistent exposure to outdoor environmental conditions within the intake airstream.
- Does this replace an enthalpy sensor? Yes, it can be used to convert a single enthalpy setup to dry bulb control by connecting it to the "SO" and "SO+" terminals.
- Where is this sensor mounted? It is typically installed in the outdoor airstream, often located behind the economizer hood or on the divider plate.
- What does a 4 mA signal indicate? In this logic, a 4 mA signal usually indicates the outdoor air is above the changeover setpoint, signaling the dampers to maintain a minimum position.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Carrier HH57AC080 Outside Air Temperature (OAT) Sensor is a critical 10 to 20 mA diagnostic and control component designed for Carrier, Bryant, and Payne commercial rooftop units equipped with Economi$er IV systems. Use this sensor to restore or enable outdoor air dry bulb changeover, allowing the controller to determine when ambient conditions are suitable for free cooling. By providing a precise 4-20 mA signal back to the main control board, the HH57AC080 ensures that dampers modulate correctly to minimize mechanical cooling runtime and maintain building setpoints efficiency.
This OEM-grade sensor features 8 selectable temperature changeover setpoints (ranging from 48°F to 78°F) adjustable via onboard dip switches, with a factory default typically set to 63°F. It is a direct-fit replacement for existing dry bulb sensors and can be used to convert enthalpy-based systems to dry bulb control. In differential dry bulb configurations, it works in tandem with an indoor return air sensor to compare airstream temperatures, ensuring the most cost-effective cooling source is prioritized without taxing the compressor.
Key Benefits:- Optimized Economizer Logic: Enables precise free cooling based on outdoor dry bulb temperature to reduce energy consumption.
- Selectable Changeover Points: Features 8 field-adjustable setpoints for tailored performance in diverse climates.
- Broad Compatibility: Engineered for use with Carrier 50HJ, 48TC, 50TC, and various Economi$er IV equipped rooftop units.
- Reliable Signal Output: Provides a 4-20 mA linear output for accurate communication with the system controller.
- Durable Construction: Built to withstand consistent exposure to outdoor environmental conditions within the intake airstream.
- Does this replace an enthalpy sensor? Yes, it can be used to convert a single enthalpy setup to dry bulb control by connecting it to the "SO" and "SO+" terminals.
- Where is this sensor mounted? It is typically installed in the outdoor airstream, often located behind the economizer hood or on the divider plate.
- What does a 4 mA signal indicate? In this logic, a 4 mA signal usually indicates the outdoor air is above the changeover setpoint, signaling the dampers to maintain a minimum position.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.












