Refrigeration Circuit › Charging

Core

Measure superheat and subcooling on a running system and use them to set or verify the charge for fixed-orifice and TXV systems.

Target superheat from indoor wet bulb and outdoor dry bulb, subcooling targets from the data plate and the readings that confirm a correct charge.

Before this skill

Required

• Gauges and service valves
• Metering devices

HVAC Excellence competency codes

• RAC-063
• RAC-064
• RAC-073
• SP-016
• SP-017

Courses that teach this

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Career paths that include this skill

• Installation Technician Required
• Service Technician Required
• Maintenance Technician Required
• Commercial & BAS Technician Required
• Refrigeration Technician Required
• Service Manager Recommended
• Installation Manager Recommended
• Instructor Required