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Installation of walk-in cooler solenoid valve
author: supermarket refrigerated showcase category: commercial refrigeration Views: 518Time: 2016-08-22
Installation of walk-in cooler solenoid valve
The precautions for installation of walk-in cooler solenoid valve are as follows.
①The solenoid valve should be installed vertically on the underwater pipeline, and the medium flow direction should be consistent with the arrow direction of the solenoid valve shell.
② A filter should be installed before the valve to prevent clogging of the pores.
③The valve location should be a place with less vibration.
④The power supply voltage should be equal to the operating voltage specified on the solenoid valve nameplate.
⑤The operating pressure should be less than the allowable pressure specified by the solenoid valve.
walk-in cooler solenoid valve and other control components need to pay attention to the following two points.
①In the case of a single unit and a single cabinet, the solenoid valve coil is often connected in series with the compressor motor circuit. When the compressor starts to run, the solenoid valve opens immediately: when the compressor stops working, the solenoid valve closes immediately to prevent a large amount of refrigerant liquid from entering the evaporator when the compressor is stopped, and to prevent the compressor from hitting the cylinder when the compressor is restarted.
②In the case of multiple cabinets or multiple cabinets, the solenoid valve is controlled by a temperature relay. When the temperature drops to the set lower limit, the solenoid valve closes and stops supplying refrigerant, allowing the walk-in cooler temperature to rise: when the temperature rises to the set upper limit, the solenoid valve opens to supply refrigerant to cool down.
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