Because this ice cube maker rejects advanced single-chip control technology and export parts are rigid and stable, with low malpractice rate. Because the manufacturer is applying a layer of waterproof glue on the printed circuit board when leaving the factory, the model of the single-chip computer cannot be verified. However, this model has never hinted a case of controller damage for nine years of rigid operation. It is implied that the disadvantages are mostly triggered by the central component and the sensor. The serious central component is that the water supply and power supply are cut off or even rigidly unable to work properly. The drawbacks of sensors have swept across the drawbacks of ice thickness detectors, water level detectors and cabinet switches. The honing of the ice cube case switch The ice cube case switch is to place a round magnet in the lower left corner of the water curtain plate. Just place a rectangular plastic shell in the corresponding position of the box, and the shell is encapsulated with epoxy resin. A reed pipe. The water curtain board is sliding down the ice cubes. Turn it on and off, so that the reed switch will be disconnected and turned on. It will be sent to the controller as a flag indicating the end of ice harvesting. At the same time, the box switch 'CURTAIN' indicator will burn and light up. . The resistance value of the normal box switch is less than 70Ω when it is on, and it is more than 30KΩ when it is off. If the resistance of the box switch is between 70Ω-30KΩ, it indicates that the box switch is broken. It can be replaced by turning on the reed switch from time to time. When replacing, pay attention to adjust the position of the box switch to ensure that the switch is turned on and off when the magnet is close. For example, the “CURTAIN” indicator of the ice cube box switch is not broken and should light up. First check that the magnet is not lost. Refrigerant injection. Because CFC refrigerants can deal with the ozone in the atmosphere and the ozone in the atmosphere, there is a severe destructive effect, and even the midline of the sun purple strengthens and destroys the immune system of the human body. It has been in developed countries in 1995 to follow the Monterey Protocol 》Interrupted production and operation, as a transitional refrigerant HCFC will also be spared from being used in developed countries in 2030. Manitowoc's QD0662
cbfi ice machine rejected the HFC refrigerant-R404A, which is extremely small against ozone destruction. R404A is a non-azeotropic hybrid refrigerant composed of R125, R134a, and R143a following the ratio of 44:52:4. Due to the different boiling points of the three components, it is necessary to consciously constitute three types of refrigerants, such as rejecting supplements and subtractions when the refrigerant is revealed. If the ratio of the components changes, it is advisable to dismiss the posture of emptying and reducing the injection. When the refrigerant is being reduced, it is necessary to follow the reduced injection quality on the nameplate and use the liquid equipment to reduce the injection from the lower pressure side. Since the R404A compressor needs to reject polyol ester lubricants, the refrigeration tools such as fluoride meters, vacuum pumps, etc. cannot be used. Mixed with other refrigerant tools, a refrigerating worker in my unit mistakenly reduced the R22 refrigerating oil to the R404A system to cause compressor damage. The compressor was repaired after frequent cleaning of the system and replacement of the compressor and the dead plate filter. The mass range of the lower fluorine pressure gauge should be greater than 3.0MPa.
ice maker machine
cold room supplier is generally used to ice maker machine.
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