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    Classification of air conditioner

    Classification of air conditioner Classification of air conditioner 1. According to the purpose of use, which types of air conditioners can be divided? Comfortable air conditioning: It requires a suitable temperature and a comfortable environment, and has no strict requirements on the accuracy of temperature and humidity adjustment. It is used in housing, offices, theaters, shopping malls, stadiums, automobiles, ships, and aircraft. Process air-conditioning: there are certain requirements for temperature regulation accuracy, and the cleanliness of the air also has higher requirements. Used in electronic device production workshop, precision instrument production workshop, computer room, biological laboratory, etc. 2. According to the air treatment method, which categories can be divided? Centralized air conditioning: Air treatment equipment is concentrated in the central air conditioning room, and the treated air is sent to the air conditioning system of each room through the air duct. It is suitable for places with large area, concentrated rooms, and relatively close heat and humidity load in each room. Semi-centralized air-conditioning: an air-conditioning system that has both a central air-conditioning and a terminal device for handling air. This kind of system is more complicated and can achieve higher adjustment accuracy. It is suitable for workshops and laboratories that have high requirements on air accuracy. Localized air conditioning: Each room has its own equipment to handle air conditioning, such as split air conditioners. It can also be a system consisting of fan-coil air conditioners with pipes centrally supplying cold and hot water, and each room can adjust the temperature of this room as needed. 3. Which types can be divided according to the cooling capacity? Large air-conditioning units: such as horizontal assembly water-spraying, surface-cooled air-conditioning units, used in large workshops, movie theaters, etc. Medium-sized air conditioning units: such as chillers and cabinet air conditioners, etc., used in small workshops, machine rooms, conference venues, restaurants, etc. Small air-conditioning unit: Split air conditioner, used in offices, homes, guest houses, etc. 4. According to the amount of fresh air, what types of air conditioners can be divided? Direct current system: The treated air is fresh air, sent to each room for heat and moisture exchange, and then discharged to the outside, without return air duct. Closed system: all the air processed by the air conditioning system is recirculated, and it does not supplement the fresh air system. Hybrid system: The air processed by the air conditioner is composed of return air and fresh air. 5. Classification according to the air supply speed? High-speed system: The wind speed of the main air duct is 20-30m / s. Low speed system: The wind speed of the main air duct is below 12m / s.

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    Basic knowledge of central air conditioning

    Basic knowledge of central air conditioning 1. Basic knowledge of central air conditioning 1. What is refrigerant and what is its working principle? A working substance that transfers heat between the object to be cooled and the environmental mediu器2䀀ￜ皥䖒皦즠Ʋ奌ི㲈Ʋ䌁皦ᮔDž༬皧奖ིЀ呄ᠾ鹨់༹皧ࠄ00령ꐱ댁珵뛐珵Љ䕄ྦ￿￿뤂ᐱ뚜珵ᴴᏩ呄ᠾ퍘ᒥ鹨់ᩄꋔྦ瑉浥巠皱㙲皦抐皱巠皱੨皦柘皱ￜ皥ب巠皱㙲皦忈皱੨皦柘皱즠Ʋǜ勁皦즠ƲبǜV /펔B䌁皦 ᮔDž'鱤džၜ먢

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    York screw and centrifugal compressor overhaul case and on-site repair and maintenance

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    Why do central air-conditioning compressors often fail？

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