Danfoss Compressor SM120A7CK

08/04/2020

Reasons for unstable temperature of refrigerated truck cargo box

In the transportation of frozen and refrigerated food in large supermarkets, refrigerated trucks must be used as carriers.

11/25/2021

As 5G is on the Way, Do You Really Understand the Use of HMI?

What is HMI (Human Machine Interface)? This era is smart and full with information. We have already been placed in the age of smart technology and filled with all kinds of new devices and inventions every day.

07/05/2020

Hitachi heat pump heat source compressor

Hitachi heat pump heat source compressor What is the reason for using a special compressor for heat pump water heaters? Many compressor manufacturers have invested in the development of special compressors for heat pumps in order to provide the core guarantee for the healthy development of heat pump water heaters.

10/14/2025

Differences between a Contactor and a Relay

The contactor and the relay are all control devices used in electric circuit. But they cannot replace each other. The followings are the main differences between the two.

08/05/2020

Issues that need attention when moving air conditioners

1. Preliminary preparation 　　 At least two or more skilled refrigeration repairmen, a set of tools, safety belts and other safety equipment.

09/02/2020

There are 8 reasons for the high fuel consumption of air compressors, some of which can't be thought of!

Run oil 　　 In our daily work, we often encounter the problem of air compressor running oil. In addition to the quality of the oil itself, what other reasons can cause the running oil? In practice, engineers have summed up several reasons that can cause oil running. Let's share with you.

05/10/2023

What is a scroll compressor? Everything You Need to Know

A scroll compressor (also called spiral compressor, scroll pump and scroll vacuum pump) is a device for compressing air or refrigerant. So there are scroll air compressors and scroll refrigeration compressor (refrigeration scroll compressor).

06/29/2020

Several causes of compressor burning

09/17/2022

What is a Miniature Circuit Breaker?

The miniature circuit breaker (MCB) is suitable for overload and short-circuit protection of AC 50/60Hz rated voltage 230/400V

06/14/2020

The principle of air heat pump heating

In our lives, we often say "warm and warm to the house" to our guests. Compared with the cold and wet climate in the southern region, the cold in the northern region is dry and cold. The outdoor working temperature is minus ten or twenty degrees, which is器2䀀
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