Schneider VFD Frequency Converter ATV340U75N4

08/18/2020

Selection method of chiller models in different industries

At present, there are more and more chiller manufacturers producing chillers, and there are also many refrigeration equipment that need to be selected in the daily production of many industries,

07/07/2020

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

03/11/2025

Can Power Surge Damage Refrigerator?

Power surge, also called transient overcurrent, is a short-term current and voltage fluctuation in the circuit, which usually lasts about one millionth of a second in the circuit.

08/19/2020

Why can a chiller with superior environmental performance reduce the cost of use

Many companies need a low temperature environment when completing production tasks. Because companies use air-cooled chillers to reduce the environmental temperature, the cost is relatively low, and they are very suitable for long-term use by companies.

08/19/2020

How to design cold storage compressor parameters

The cold storage compressor uses Freon as the cold storage agent. Because Freon has many different characteristics from ammonia, it should adopt different design parameters from

07/16/2020

How to repair the vacuum drying oven

During the use of the vacuum drying oven, the heating tube will accumulate a high amount of heat in a short period of time, so pay attention to the even heat dissipation during use, that is, you must turn on the blower after starting the heating. For heating conditions, first check whether the control instrument is working normally

09/07/2020

Inverters can be used in 32 fields. How many do you know

1. Air conditioning load 　　 Office buildings, shopping malls, some supermarkets, and factories all have central air conditioners. During the peak of electricity consumption in summer, air conditioners consume a lot of electricity. In hot weather,

12/14/2023

Comprehensive Guide to 32 Various Refrigerants (Summary of Characteristics＆ Uses of Commonly Used Refrigerants)

0HFC Series Refrigerants: R134a, R410A, R407C, R417A, R404A, R507, R23, R508A, R508B, R152a

08/15/2020

Energy saving ways and methods for cold storage

1. Optimize energy saving from a design perspective 　　 (1) Reasonably determine the control temperature of the design cold storage, and reduce the temperature difference between the return air.

09/24/2022

How to Choose a Gear Pump?

When selecting and using gear pumps and gear motors, the indicators of various technical performance parameters should be strictly controlled within the specified scope of the instruction manual.