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About HVACR Check & Charge

Instant mobile refrigerant charge calculator for HVACR applications.

The HVACR Check & Charge™ mobile app from Emerson Climate Technologies provides an on-site refrigerant charge calculator for air conditioning and refrigeration applications. Based on historic sliding cardboard charge calculators, this app allows contractors to easily calculate the correct system refrigerant charge for R-22, R-410A, R-32, R-407C, R-134a, R-452B, R-454B, R-438A, R-422B, R-427A, R-421A, R-404A, R-290, R-449A, R-448A, and R-407A. Contractors can simply choose Superheat, Subcooling, or Airflow and enter the specified system temperatures along with the latent and sensible environmental loads. These values are then used to determine the proper system charge and whether the charge amount needs to be altered based on these conditions.

• AC & Refrigeration Systems
• Superheat Calculator (non-TXV)
• Subcooling Calculator (TXV)
• Airflow Calculator
• PT Charts (Pressure / Temperature)
• Find a Superheat target using psychometric calculations
• For use with R-22, R-410A, R-32, R-407C, R-134a, R-452B, R-454B, R-438A, R-422B, R-427A, R-421A, R-404A, R-290, R-449A, R-448A, and R-407A
• Imperial and Metric Support

Assists with calculating proper system refrigerant charge based on operating conditions.

Information on this and other Emerson Climate applications is available at https://climate.emerson.com/mobileapps

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Frequently Asked Questions(FAQ)

What is the HVACR Check & Charge mobile app?

The HVACR Check & Charge mobile app is an on-site refrigerant charge calculator for air conditioning and refrigeration applications.

What does the HVACR Check & Charge app do?

The app allows contractors to calculate the correct system refrigerant charge for various types of refrigerants. Contractors can choose Superheat, Subcooling, or Airflow and enter system temperatures and environmental loads to determine the proper system charge.

What refrigerants are supported by the HVACR Check & Charge app?

The app supports R-22, R-410A, R-32, R-407C, R-134a, R-452B, R-454B, R-438A, R-422B, R-427A, R-421A, R-404A, R-290, R-449A, R-448A, and R-407A.

What calculations can be done using the HVACR Check & Charge app?

The app includes Superheat Calculator (non-TXV), Subcooling Calculator (TXV), Airflow Calculator, PT Charts (Pressure/Temperature), and the ability to find a Superheat target using psychometric calculations.

What units of measurement are supported by the HVACR Check & Charge app?

The app supports both Imperial and Metric units of measurement.

Where can I find more information on the HVACR Check & Charge app and other Emerson Climate applications?

More information on the HVACR Check & Charge app and other Emerson Climate applications is available at https://climate.emerson.com/mobileapps.