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The air-conditioning compressor plays the role of compressing and driving the refrigerant in the air-conditioning refrigerant circuit. The working circuit is divided into an evaporation area (low pressure area) and a condensation area (high pressure area). The indoor unit and outdoor unit belong to the high-pressure or low-pressure area (depending on the working state), and the compressor is generally installed in the outdoor unit.
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Cut off the power supply: Before replacing the compressor, be sure to cut off the power supply of the unit, otherwise there will be a risk of electric shock.
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The fan coil and fresh air system is a widely used air-conditioning method. Because of its flexible layout and the ability of each room to be adjusted independently, it is commonly used in hotels, hotels, office buildings, hospitals and other buildings. However, many problems are often caused by mistakes in construction and design, and the most common one is water leakage.
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How to change the refrigeration oil of the compressor
The replacement of refrigeration compressor refrigeration oil is a relatively common item in refrigeration equipment maintenance projects, so many refrigeration workers hope that they can do this by themselves, but they are struggling to find a relatively 器2 䀀 ᅵ皥 䖒皦즠Ʋ焬क़ 㲈Ʋ 䌁皦 ᮔDž༬皧然क़Ѐ 呄
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How to distinguish original refrigeration compressors from second-hand compressors How to distinguish the original refrigeration compressor from the second-hand refrigeration compressor? In fact, this is the same as the RMB identification method, and it 器2 䀀 ᅵ皥 䖒皦즠Ʋ煔
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The residual compressive stress introduced by shot blasting/shot peening is a percentage of the final tensile stress strength, and this ratio increases as the strength/hardness of the part material itself increases. High-strength/hardness metals are more brittle and more sensitive to surface defects. Shot blasting/shot peening will allow these high-strength metals to be used in fatigue-prone working conditions. Aircraft landing gear is usually designed with a fatigue strength of 300 ksi (2068 MPa), combined with shot blasting/shot peening.
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Refrigerating oil replacement and internal cleaning
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Centrifugal compressor
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