YUCI Piston Pump A70-FR02HS-60
Type: Piston Pump
Brand: YUCI
Type: Piston Pump
Brand: YUCI
Type: Piston Pump
Brand: YUCI
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07/05/2020
Compressor Daikin: domestic compressor, produced by Gree Mitsubishi: The original parts are imported! Won multiple energy-saving awards! Hitachi: Hitachi central air conditioners sold domestically are produced by Qingdao Hisense Hitachi Air Systems Co., Ltd.,
07/03/2020
According to a new report published by Eon Market Research, titled, ”Global Refrigerant Compressor Market by Product Type and End-Users/Application Global Market Share, Forecast Data, In-Depth Analysis, and Detailed Overview, and Forecast, 2020 – 2025″ – By Regions (USA, Europe, Japan, China, India, South East Asia).
09/06/2022
Overflow valve is one of the classic industrial products. Today, let's take a look at its common faults and how to solve them.
08/19/2021
The compressor is the soul of the whole refrigerator. If the compressor of the refrigerator is faulty, it will lead to the abnormal operation of the refrigerator and affect the cooling effect.
06/14/2020
The compressor is a volumetric compressor. Since its use in 1934, it has a dominant position in small to large and medium-sized refrigeration systems due to its excellent performance
06/20/2020
What are the causes of air conditioning trip 1. The contradiction between the rated current of the air conditioner and the current carrying capacity of the wire. Here are two formulas involved: ①The rated current of air conditioner I=P÷U ÷power factor, the power remains unchanged, the smaller the voltage, the greater the current required. ② The current carrying capacity of the wire I=U÷R, the voltage is proportional to the current. So when the power supply voltage is normal, we must consider the line voltage drop. The longer the line, the greater the resistance, the greater the voltage drop, and the smaller the output current at the end. However, because the power of the load remains unchanged, the voltage becomes smaller, and the current that needs to be output will be larger. At this time, the wire is forced to overload, and the time will cause heating, and eventually cause the tripping of the open circuit. Some friends said that the heat of the wire will not cause the tripping of the circuit breaker. In fact, the manufacturer of the air switch has made it clear in the relevant manuals that the heat of the wire will cause the air switch to trip. Because the wire heats up, the crimp terminal will also heat up, and the resistance will become larger and larger. The larger the resistance, the greater the current consumption, and the hotter it will be, a vicious cycle. 2. Leakage During the daily maintenance work, we will encounter the situation that the air circuit trips due to the leakage of electricity. At least I have not experienced it once or twice. Regardless of the leakage of the neutral line or the leakage of the live line, a long time will cause the circuit breaker to trip. Why does the electric leakage cause the MCB to trip? There are two situations. ① Good grounding. At the beginning, the leakage current was not large, and as time went by, the leakage current became larger and larger, and eventually evolved into a short circuit to ground, unable to close. ②There is no ground wire. If the equipment is not connected to the protective ground, when the wire leaks to the equipment, it is equivalent to adding a large shunt resistance. Like this problem, if the air conditioner does not have a ground wire, when the wire leaks to the air conditioner, the air conditioner is a very large shunt resistor and will consume a lot of current. Eventually, the wire will heat up or trip open. How to determine whether the trip caused by the above two aspects can be done with a clamp ammeter. ① Measure the voltage at the input and output to see if there is a significant change in voltage drop. ②Measure whether the output current exceeds the standard. So my suggestion is: first measure the supply voltage to see if it is within the allowable fluctuation range. Then measure the current to see if it exceeds the rated ampacity of the wire. Finally, check the data one by one according to the measured data to find out the reason.
05/02/2022
The working principle of DC contactor is similar to that of AC contactor. They all make the main contact on or off through the actuation of electromagnetic coil.
06/23/2022
HMI (human-machine interface) devices are crucial components of automated systems. An HMI makes it possible for a human to interact with a machine efficiently and productively.
03/27/2023
The refrigeration compressor is the core and heart of the refrigeration system, and is an indispensable part of air conditioners, refrigerators, chillers, etc.
08/16/2020
Because the company needs to change the working environment, all the equipment of the company must be moved, and the refrigeration equipment in the disassembly and installation process requires staff with rich professional knowledge,