KOA Resistor 1W 100K

07/07/2020

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

01/15/2022

Case Studies of How to Replace a Compressor in Refrigerator (Part Two)

As we have mentioned in the first part, it’s the refrigeration capacity, the clean piping system, and the drying filter that deserve our attention.

09/11/2020

What are the tips for using screw air compressors

The set unloading pressure of the air compressor pressure regulator is adjusted with the upper adjusting bolt. Turn the bolt clockwise to increase the unloading pressure, and rotate it counterclockwise to reduce the unloading pressure. The differential pressure value is adjusted by the differential knob at the bottom. Turn it counterclockwise, the pressure differential value of the air compressor decreases, and clockwise

07/13/2020

Danfoss training-scroll compressor

Danfoss medium temperature refrigeration compressor M series Danfoss MLZ/MLM compressors are specially designed for medium temperature refrigeration applications, using a unique scroll design, providing a variety of refrigerant options (R404A, R134a, R507, R22) cooling capacity covers 2 to 10 horsepower.

03/03/2021

Type selection calculation of servo motor

Confirmation of speed and encoder resolution. Conversion of load torque on motor shaft and calculation of acceleration and deceleration torque.

08/14/2020

Need heat preservation for precision air conditioner cooling pipes

Whether the cooling water pipes of precision air conditioners should be insulated depends on specific conditions. Under normal circumstances, it is not insulated,

08/30/2021

How to Fix a Refrigerator Compressor?

The refrigerator compressor is the core of a refrigerator and achieves the cooling effect. Due to the frequent use of the refrigerator

09/07/2020

Dry air compressor sales, please keep these seven words in mind!

【move】 　　 Work does not raise idlers, and the team does not raise idlers. 　　Go every day, not afraid of thousands of miles; 　　 Do it often, not afraid of everything.

07/19/2020

Refrigerant filling operation method of centrifugal chiller

The centrifugal chiller refrigeration compressor after completing the work procedure of filling the frozen lubricating oil, the next step should be the refrigerant filling operation, the method of operation is: (1) using copper pipes or PVC (polyvinyl chloride) pipes One end is connected with the filling valve at the lower part of the evaporator, and the other end is connected with the top joint of the refrigerant storage tank to ensure good sealing.

09/19/2022

Top Circuit Breaker Brands

Circuit breakers are switching appliances that provide circuit overload and short-circuit protection.