Technical data, tools and notes for refrigeration and electronics technicians.





not recommended to replace compressor (Jiaxipera N1113Y) with (ACC HTK70AA).

Category: Refrigeration | Date: 2026-01-26

I charged the compressor CAJ4519Z with R407 gas, and upon startup, some frost appeared on the return line and expansion valve, even though the cooling was fine. Is this normal? Note that it’s a refrigeration room, not a freezer.

Category: Refrigeration | Date: 2026-01-26

compressors: L58CZ1 (1/6HP), L65CZ1 (1/5HP), L72CZ1 (1/4HP), K270CZ1 (1/3HP), and K375CZ1 (1/2HP

Category: Refrigeration | Date: 2026-01-22

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