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冷庫是通過機械設備等方式實現恒定需求庫溫的庫房環境，利于易腐敗食品等在限度內極大地保持新鮮度和延長新鮮期。那在冷庫使用過程中，會出現冷庫制冷不好或不制冷的情況，造成庫內溫度波動，不利于產品保鮮保存。一旦出現制冷故障，需及時排查原因并解決。冷庫不制冷的主要原因有缺氣、漏氣、堵塞及電動機工作不正常等，這些故障可歸納為制冷系統及控制電路兩個方面。
Cold storage is to achieve constant temperature warehouse demand environment by machinery and equipment etc, to keep perishable food greatly within limits of freshness and prolong fresh period. The use of cold storage in the process, there will be cold storage refrigeration is not good or not the case, resulting in temperature fluctuations within the library, is not conducive to the preservation of fresh products. Once the cooling failure, the need for timely investigation and resolution. Cold storage is not the main reason for the lack of gas, gas leakage, blockage and abnormal motor work, these failures can be summarized into two aspects of refrigeration systems and control circuits.
冷庫缺氣。由于冷庫年久失修，加上制冷劑的自然消耗和滲漏，使得冷庫制冷不好，表現為蒸發器前段銅管結霜、后段銅管基本無霜，此時只需按照前面的工藝給壓縮機充注制冷劑即可。
Cold gas shortage. Because of the cold storage of disrepair, plus the natural refrigerant consumption and leakage, the cold storage refrigeration is not good for anterior and posterior tube evaporator frosting tube no cream, then just to the compressor refrigerant can according to the preceding process.
制冷系統漏氣。由于機組老化，加上維修操作不當，會使制冷系統的接口處如膨脹閥、過濾器、高壓排氣閥及低壓吸氣閥漏氣。此時應先收集制冷劑，然后更換漏氣的部件，接著打壓撿漏、抽空、充氣試機。如果遇到壓縮機閥板上吸排氣閥片漏氣、軸封漏氣時，則應更換相應的部件。
Cooling system leak. Due to the aging of the unit, coupled with improper maintenance operations, will make the cooling system interface such as expansion valves, filters, high pressure exhaust valve and low pressure suction valve leakage. You should first collect the refrigerant, then replace the flat parts, then, to suppress the Jianlou and inflatable test machine. If the compressor valve plate on the suction exhaust valve leakage, seal leak, replace the corresponding parts.
制冷系統堵塞。冷庫運行中，干燥過濾器和熱力膨脹閥最容易堵塞，堵塞的原因商臟堵、泊堵和冰堵。當冷庫使用年限較長時，冷凍油變質、壓縮機活塞磨損產生的金屬粉末及管道內的氧化物流經過濾器時容易把濾網堵塞，將膨脹閥進口處的濾網、出口處的閥孔堵塞，使冷庫不制冷。修理時先收集制冷劑，然后用酒精或汽油清洗膨脹閥和過濾器，更換硅膠，接著抽空、試機。
Cooling system blockage. Cold storage operation, dry filter and thermal expansion valve is the most easily blocked, the cause of the blockage of dirty plug, block and ice jam. When the refrigerator used for a long time, the oxidation of metal powder and oil logistics pipeline deterioration, compressor piston wear resulting in the filter is easy to plug the filter, an expansion valve hole filter, valve inlet outlet plug, the cold is not cooling. During the repair, the refrigerant is collected, then the expansion valve and the filter are cleaned with alcohol or gasoline, and then the silica gel is replaced.
冷凝器過臟。出于冷庫常常工作在環境惡劣的廚房中，廚房內的油煙和灰塵會被吸附在冷凝器的盤管和翅片上，堵塞了通風空間，嚴重影響了冷凝器的散熱，使排氣壓力升高、制冷速度變慢，解決的辦法是用鋼刷和洗衣粉徹底清洗翅片上的灰塵。
Condenser is dirty. For cold storage often work in the harsh environment of the kitchen, in the kitchen fume and dust will be adsorbed on the condenser coil and fins, blocking the ventilation space, seriously affected the condenser heat, the exhaust pressure is increased and the cooling speed slow, the solution is to thoroughly clean the dust on the steel brush and fin washing powder.
控制電路故障
Control circuit fault
控制電路故障的檢修使用冷庫時，如果遇到壓縮機不啟動或啟動頻繁，說明電動機、接觸器、熱繼電器等出了故障。需及時咨詢聯系冷庫工程商專業售后，盡快處理。
When the control circuit is used in cold storage, if the compressor does not start or start frequently, the motor, contactor, thermal relay and so on are out of order. Timely consultation with the cold storage engineering professional after-sales service, as soon as possible.
我們始終保持不斷的開拓創新，盡最大的可能真誠的為廣大客戶提供高品質的產品、最貼心的服務。達到與客戶共贏的目標。
We always keep the continuous development and innovation, as far as possible to provide our customers with high quality products, the most intimate service. Achieve the goal of win-win with customers.