Cold storage expansion valve installation method

1 before installation check its intact, especially the temperature sensing mechanism part; 2 installation location, must be near the evaporator, the valve body should be mounted vertically, not tilted or upside down installation; 3 installation, should pay attention to the temperature sensing mechanism Of the liquid is always maintained in the temperature package, so the temperature package should be lower than the valve body installed; 4 temperature package as far as possible in the evaporator outlet level return pipe, the general should be away from the compressor inlet 1.5m Above; 5 temperature package can not be placed in the pipeline with liquid; 6 if the evaporator outlet with a gas-liquid exchanger, the general temperature of the package at the evaporator outlet, ie, before the heat exchanger; Wen Bao usually placed in the evaporator back to the trachea, and tight close to the wall wrap, contact should be removed oxide scale clean, revealing the true nature of the metal; 8 when the tracheal diameter is less than 25mm, the temperature of the bag can be tied in the trachea Top; when the diameter is greater than 25mm, it can be tied to the lower side of the return pipe 45 ° Department, to prevent the oil at the bottom of the tube and other factors, the right temperature sensing package temperature.

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