OBO Surge Protection Device PS4-VA TT+FS

07/31/2020

Apply these 5 parameters to easily determine whether the refrigeration and air conditioning system is operating normally!

Condensing pressure is the pressure at which the refrigerant condenses into liquid in the condenser. Since the pressure inside the condenser in the refrigeration system cannot be measured, in fact, the pressure drop of the refrigerant in the exhaust pipe and the condenser is actually very small.

07/07/2022

Proportional Solenoid Valve - How They Work

A proportional control valve is a valve used to control fluid flow rate by varying the size of the flow passage via a restrictor.

07/15/2020

CO2 Air Source Heat Pump Heating Technology

CO2 air source heat pump heating technology has the characteristics of strong adaptability to outdoor temperature in cold areas and high outlet water temperature. It has a high heating coefficient under the condition of large temperature difference between supply and return water.

03/25/2022

How Does a Circuit Breaker Work?

Circuit breakers are an essential part of any electrical system. Circuit breakers protect homes from various electrical hazards (such as overloading) and cut off power if the current becomes unsafe.

08/06/2024

Excavator Repair Case Study: Speed Drop + Slow Action of the Excavator Stick

The stick and boom of the excavator are the "arms" of the construction machine. Whether it is used for loading, leveling slopes or digging trenches, any operation is inseparable from the precise tacit cooperation of them.

08/19/2020

How to use refrigerant in industrial refrigerator

Refrigerant is an indispensable part of industrial refrigerators, and it acts like blood in the human body. Since various refrigerants have different physical and chemical properties, they have different saturation pressures at different temperatures.

08/08/2020

How to prevent freezing of central air conditioning in winter

How to prevent freezing of central air conditioning in winter In winter, the temperature is getting lower and lower, even exaggeratedly saying that there is a feeling of freezing, so you should not hesitate to prepare for the cold.

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

08/17/2020

Why is the meter still running after the air conditioner is shut down

In the process of using home appliances, friends will always encounter some weird problems more or less. For example, the air conditioner makes strange noises, the soymilk machine suddenly stops turning, and so on

01/14/2021

compressor! Oscillating compressor: In the usual sense, a rotary compressor uses a jack to push the rotor to work.

compressor! Oscillating compressor: In the usual sense, a rotary compressor uses a jack to push the rotor to work. The biggest disadvantage is that the contact point between the jack and the rotor is prone to aging and wear due to the small contact surfac器2䀀
ￜ皥
䖒皦즠Ʋ㉄ᰙ㲈Ʋ
䌁皦
ᮔDž༬皧㉎ᰙЀ呄ᠾ鹨់༹皧
ࠄ
00령ꐱ댁珵뛐珵Љ
䕄ྦ￿￿뤂ᐱ뚜珵ᴴᏩ呄ᠾ퍘ᒥ鹨់ᩄꋔྦ
瑉浥巠皱㙲皦抐皱巠皱੨皦柘皱ￜ皥
ب巠皱㙲皦忈皱੨皦柘皱
즠Ʋǜ勁皦즠ƲبǜV /펔B䌁皦
ᮔDž'鱤džၜ먢䇨珵呈ᠾ뤂ᐱ⿇⬿먲僧ᐱ