The book is divided into seven tasks, the main content of which is the use of basic tools for refrigeration maintenance; refrigeration system vacuuming; refrigeration system leak detection and refrigerant filling; the structure, detection and replacement of compressor components; daily maintenance and upkeep of split air conditioners and refrigerators; judging the quality of refrigerator electrical components; welding of copper pipes in the refrigeration system; daily maintenance and upkeep of split air conditioners and refrigerators, etc. This book can be used as a teaching book for secondary vocational and technical colleges, five-year higher vocational colleges and secondary vocational refrigeration and air-conditioning technology majors and related majors organized by higher vocational colleges, higher vocational colleges, adult colleges, private colleges and universities, and undergraduate colleges. It can also be used as a business reference book and training book for relevant professional and technical personnel.
