NSK Bearing N 252 EW

06/25/2020

How to solve if the air conditioner is not cooling

If it is not in the cooling state, we can adjust it to the cooling mode; if the dust accumulation of the air conditioner severely reduces the cooling function, we can find professional personnel to disassemble the evaporator, fan blade, and filter. Completely clean up; if it is because no refrigerant is added, then we can add refrigerant.

02/26/2021

Reasons and solutions for refrigerator not cooling

Refrigerator non-refrigeration is a problem often encountered during the use of refrigerators. Refrigerator non-refrigeration always occurs suddenly. A large number of things that need to be refrigerated suddenly become unpredictable, which greatly affects daily life and wastes time to find.

08/20/2020

How to prevent high temperature alarm of industrial chiller

In the hot and hot summer, the frequency of use of industrial chillers is the highest in a year, and summer is also the season when industrial chillers have the most frequent high temperature alarms.

06/14/2020

About the basics, principles and classification of air-conditioning compressors, 90% of them will definitely collect them after reading!

About the basics, principles and classification of air-conditioning compressors, 90% of them will definitely collect them after reading! Basic knowledge 1. Installation location The compressor is installed on the right side of the outdoor unit and 器2䀀
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01/18/2023

What is Variable Valve Timing?

VVT refers to variable valve timing. It adjusts the amount of intake (or exhaust), as well as the timing and angle of solenoid valves opening and closing according to the operating conditions of the engine.

08/18/2020

Refrigeration system purge and clean up after installation

When the refrigeration system is installed, the system should be purged and cleaned first, because the refrigeration process is completed in a closed and clean system.

08/15/2020

The peak of air-conditioning installation is coming

"The free installation was stated at the time of purchase, but not only did the on-site installation charge for materials such as external machine brackets and copper pipes, but also charge for labor.

08/20/2020

Safe use and maintenance of air conditioning pressure control device in computer room

Pressure controller, also known as pressure relay, is an electrical switch controlled by a pressure signal. When the suction and discharge pressures of the air-conditioning compressor in the computer room exceed their normal working pressure range,

08/03/2020

Tips that businesses don’t want you to know Identifying fake and shoddy refrigeration equipment installation materials

The main installation materials commonly used in refrigeration and air conditioning installations are: refrigerant copper pipes, thermal insulation cotton, condensate pipes, splitters, signal lines, and refrigerants.

07/07/2020

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