Module M.07 · Paid · 12 hours

Sealed Systems.

Understand the circuit and verify the complete repair. Twelve units on diagnosis, refrigerant handling, leak integrity, dehydration and precision charging, with EPA Core and Type I study support.

EPA Section 608Refrigeration cycleRefrigerantsRecoveryEvacuationLeak detectionCharging

Twelve teaching units · Thirteen original diagrams · Forty questions · Two cases · Four worksheets · Practical assessment rubric
US residential appliance context · Expanded learner edition

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The compressor supplies work, the condenser rejects heat, the restriction lowers pressure and the evaporator absorbs heat. Arrows show refrigerant flow in a simplified capillary system.

This module is part of the complete AR-101 course

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Service Trade Institute · AR-101 Module 7 Sealed Systems · Built from field practice at Appliance Intervention (Mechanicsburg, PA).

Educational use only. This module does not confer electrical, gas, refrigerant, or manufacturer authorization. Follow local code, employer procedures, and manufacturer instructions.