Technical data

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  • Embraco EM2Z 80HL.C compressor requires approximately 150 ml Oil

    The Embraco EM2Z 80HL.C is a robust hermetic reciprocating compressor engineered for refrigeration efficiency. Featuring a 1/4 HP motor and optimized for R134a refrigerant, this Brazilian-made unit delivers reliable Low Back Pressure (LBP) performance. This guide details its 150ml oil charge, electrical specs, and competitive advantages for technicians.

  • Scroll Compressor Internal Components Explained

    When technicians open a scroll compressor casing, the real engineering lives in internal mechanisms invisible at first glance: the floating seal preventing vacuum damage, the motor protector monitoring temperature and amperage, the pressure relief valve, the discharge check valve preventing reverse rotation, and the optimized bearing system. Understanding these core components transforms your diagnostic confidence.

  • Donper K400CZ1 R134a compressor

    The Donper K400CZ1 is a hermetic reciprocating compressor designed for commercial refrigerators and chest freezers operating with refrigerant R134a on 220‑240V 50Hz single‑phase power. It offers roughly 1/2 hp class performance with about 400 W cooling capacity, making it suitable for medium‑size display cabinets and storage equipment in supermarkets and restaurants.

  • Start Run Capacitor Failure, Causes

    An AC motor run capacitor such as the CBB65 SH usually explodes when it is forced to work beyond its electrical or thermal limits, or when the start‑assist components fail and leave it in the circuit too long. This overstress breaks down the dielectric, creates internal gas and pressure, and finally ruptures the can.

  • Danfoss Compressor HP Chart – TFS, FR, SC Model Reference

    When a refrigerator or freezer arrives with a worn nameplate, identifying the compressor becomes difficult. The Danfoss and Secop model codes—such as TFS 4 AT, FR 8.5A, or SC 18B—tell you exactly what you’re dealing with. This chart breaks down those codes into horsepower, watt consumption, and amp ratings for fast diagnosis.