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Maintenance display cases Ten taboos (four)

Maintenance display cases Ten taboos Do not empty the filling pipe before filling the refrigerant. After the refrigeration system is repaired and evacuated, the air in the filling pipe must be discharged after the refrigerant is filled. Otherwise, the air in the filling pipe will flow into the refrigeration system, resulting in high noise and poor cooling. The method of emptying the filling pi...

display freezerTIME：2016-08-22
display cooler YY series liquid level controller

display cooler YY series liquid level controller YY series liquid level controller is composed of display cooler glass tube liquid level indicator and float switch. The glass tube liquid level indicator is basically the same as the conventional indicator, but in order to prevent the leakage of ammonia when the glass tube is broken, it is equipped with a marble valve that can automatically bloc...

display freezerTIME：2016-08-22
display cases Indirect-acting solenoid valve

display cases Indirect-acting solenoid valve display cases Indirect-acting solenoid valve (two-opening solenoid valve) The structure of indirect-acting solenoid valve is more complicated than that of direct-acting solenoid valve, which is suitable for pipeline communication. Large diameter or high pressure occasions. Working principle: When the coil is connected to the power supply, a magnetic...

display freezerTIME：2016-08-22
What are the fault diagnosis methods for commercial refrigeration

commercial refrigeration fault diagnosis methods Commercial refrigeration refrigeration status Commercial refrigeration failure judgment is actually a process of comparing normal working conditions with actual commercial refrigeration working conditions. By comparing and analyzing the cause of the difference, the specific fault can be determined. Commercial refrigeration is a thermal energy co...

display refrigeratorTIME：2016-08-22
Display cooler inspection sequence

display cooler inspection sequence You must first determine the status of the display cooler through visual inspections such as watching, listening, and touching. View, listen, and touch the diagnostic fault display cooler 80% of the fault diagnosis, by checking the external refrigeration pipeline for oil stains, whether there is rust on the side of the freezer compartment of the middle door...

commercial refrigerationTIME：2016-08-22
Installation of walk-in cooler solenoid valve

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...

commercial refrigerationTIME：2016-08-22
Walk-in cooler mid-check valve

walk-in cooler mid-check valve walk-in cooler mid-check valve, also known as check valve or check valve, is a valve that allows only one-way flow of walk-in cooler refrigerant. In the refrigeration system, it is mainly installed between the outlet of the evaporator and the return pipe of the compressor. According to different working principles, check valves can be divided into direct-acting c...

walk-in display coolersTIME：2016-08-22
How to judge display cases faults from hearing

listen to display cases to diagnose faults ①When the compressor is running, there is a very loud noise of and metal collision, which is the unhooking of the internal spring of the compressor. ②Compressor running sound and 10 collision sounds, 60% of which is that the water receiving box is not fixed. ③The compressor is running with ten grunts, and the refrigeration system is not clean ...

display refrigeratorTIME：2016-08-22
Touch method display cooler diagnosis fault

touch method display cooler diagnosis fault ① Touch the condenser, compressor exhaust pipe, return pipe, capillary tube, water box and other diagnostic faults. ②The temperature of the condenser is overheated locally, and other parts are not hot, which is because the refrigeration system is not well evacuated; the hot area is small but the temperature changes uniformly, which is less cooling;...

commercial refrigerationTIME：2016-08-22
Supermarket refrigerated showcase refrigeration system safety protection and control elements

supermarket refrigerated showcase refrigeration system safety protection and control elements refrigeration system safety protection control elements mainly include compressor high or low pressure supermarket refrigerated showcase controller, pressure difference controller, etc. , As well as safety valves, fusible plugs, emergency ammonia vents for refrigeration system auxiliary equipment and ...

display freezerTIME：2016-08-22

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