KOYO Encoder TRD-SH2500-VD

07/18/2020

Do you know the refrigeration compressor liquid blow?

Liquid shock refers to the situation where the refrigerant fails to absorb heat or evaporates sufficiently, and the refrigerant liquid or wet steam is sucked into the compressor by the compressor. It is called liquid shock.

09/09/2020

Quality judgment of air compressor accessories

Screw air compressor repair and maintenance replacement parts include air filter, oil filter, oil separator, screw air compressor oil. How do we judge the quality of these accessories?

07/07/2020

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

08/02/2020

How to debug McQuay air conditioner noise

Noise caused by thermal expansion and contraction when the wall-mounted machine is working: The noise caused by the stepper motor and the synchronous motor. The main reason is that the internal gears of the motor are poorly matched to form abnormal noise.

08/21/2020

HVAC people collect these data, better than ten years of work experience!

HVAC people, we know that HVAC engineering includes many systems, the situation is complicated, and most of the pipes are hidden in tube wells, walls, ceilings, so the design process is very complicated, but don’t worry, we can step on the predecessors’ Go on your shoulders!

06/14/2020

The cold storage was built in this way, which actually saved nearly half of the electricity bill!

Compared with the ordinary refrigerator, the cold storage has a larger cooling area, and because of the large cooling area of ​​the cold storage, the power consumption is relatively large.

08/24/2020

What should I do if the suction pressure of the refrigeration unit is too low 7 major failure causes to know

In the pharmaceutical, food and other industries, refrigeration units are common equipment, providing reliable protection for various low-temperature environments such as pharmaceuticals.

07/27/2020

The 210,000-kilometer Mercedes-Benz repaired the air conditioner, and the compressor and condenser were replaced. Owner: Looks good!

A few days ago, a Mercedes-Benz E200L came to the factory for inspection. The owner described only one problem, that is: the air conditioning outlet does not blow cool breeze.

07/23/2020

Share┃Causes and solutions for ice block, dirty block, and oil block

Foreword: The blockage of the refrigeration system is mainly caused by the ice blockage, dirty blockage or oil blockage of the capillary tube, or the dirty blockage of the dryer filter.

01/09/2025

SANYO DENKI Servo Amplifier/Drive Common Alarm Codes

Based on SANYO DENKI R series (SANMOTION R) AC servo drives, the following describes the solutions for servo drive fault alarms.