UNIMEC Air Cylinder DSA20B200

06/22/2020

Why is the air conditioner not cooling

There are generally two reasons for air conditioning not cooling, one is caused by insufficient internal freon, and the other is caused by clogged filter. When the air conditioner is not cooling, you can clean the filter first, and then replace the freon. If you don't know how to operate, you can ask a professional maintenance staff to clean and replace it. <img src="{{media url=&quot;magefan_blog/Why_is_the_air_conditioner_not_cooling_1.jpg&quot;}}" alt="" />

08/11/2020

Hello everyone, let me introduce to you, what does the standard central air conditioning budget list look like

The standard central air-conditioning budget is roughly composed of three parts: a configuration table, a specific quotation and a detailed list of auxiliary materials.

09/16/2020

Why can't I repair the cold welding machine Easy to fall off

Question: Why can't the patching machine be fixed? Easy to fall off? Answer: The main reasons for the failure to fix are: 1. The surface of the mold is not cleaned, and there are impurities such as oil, dirt, and oxides between the supplement and the mold.

06/29/2020

Compression ratio of American Copeland compressor

06/30/2020

Newly manufactured or overhauled compressors should do these inspections

Newly manufactured or overhauled compressors should do these inspections Newly manufactured or repaired compressors should undergo a test drive test. During the test, check:

08/14/2020

Cold storage management, maintenance, use and troubleshooting methods

Treasury management should set up a special team, pay special attention to waterproof, moisture, heat, cold running, and fluorine escape, and strictly control the five barriers of ice, frost, water, doors, and lights.

08/18/2020

How to judge whether the refrigeration effect of industrial refrigerators is good

The quality of industrial refrigerators can be judged by carefully understanding the cooling performance of the equipment. If during the long-term operation of the equipment, the operation safety and stability of the equipment is very high

03/08/2021

AC servo driver wiring precautions

For signal line and encoder input line, please use shielded wire. Wiring length: the length of signal line from NC to AC servo driver is less than 3m, and the length of input line from AC driver to encoder is less than 20m. The ground wire should be thick wire as far as possible. According to the third grounding standard (grounding resistance < 100 Ω), one point grounding method should be adopted to connect the ground wire. If the motor and the machine tool are insulated, the motor should be grounded.

08/21/2020

Failure Analysis of Air Conditioner Button Circuit

Where is the button circuit in the inverter air conditioner? The first is the function keys on the display panel, and the second is the automatic switch on the main board. The main purpose is to transmit user instructions and achieve the purpose of information interaction.

08/24/2020

Popular science the advantages of water source heat pump central air-conditioning

Water source heat pump technology can use the low-level thermal energy resources formed by the absorption of solar and geothermal energy from the shallow water sources on the earth's surface