Danfoss Compressor DSH240A4AAD

08/17/2020

The difference between a single-head chiller and a double-head chiller

1. Single-stage refrigeration system 　　1. The single-stage refrigeration cycle refers to the four processes of compression, condensation, throttling,

06/21/2020

The principle of centrifugal compressor structure

The principle of centrifugal compressor structure Structure principle of centrifugal compressor <img src="{{media url=&quot;The_principle_of_centrifugal_compressor_structure.jpg&quot;}}" alt="" /> 　　 Centrifugal compressor is composed of rotor, stator and bearing. The impeller and other parts are sleeved on the main shaft to form a rotor. The rotor is supported on the bearing and driven by the power machine to rotate at high speed.

06/21/2020

Common system failures of refrigeration equipment

Common system failures of refrigeration equipment 1. Liquid return: For refrigeration systems using expansion valves, liquid return is closely related to the selection and use of expansion valves. Expansion valve selection is too large, the superheat setting is too small, the installation method of the temperature sensor is incorrect, the insulation bandage is damaged, and the expansion valve failure may cause liquid return.<img src="{{media url=&quot;Common_system_failures_of_refrigeration_equipment2.png&quot;}}" alt="" />

07/05/2020

Hitachi centrifugal compressor

Hitachi centrifugal compressor Hitachi Industrial System Co., Ltd. is a world-renowned top 500 enterprise with rich product resources and strong technical strength. The products involve air compressor systems, control systems, feng shui systems, power distribution and environmental protection systems and other industrial fields, and have more than 100 years of compressor production experience.

08/13/2020

Several symptoms of fluorine deficiency in refrigerators in summer

In summer, the frequency of use of refrigerators is relatively high, and the intensity of use is relatively high, so fluorine deficiency is prone to occur. How to judge whether the ice water machine is lack of fluoride in summer?

06/29/2020

How the compressor works

06/14/2020

Cold storage operation management and compressor common fault handling

Cold storage operation management and compressor common fault handling 1. Startup and preparations Before starting the machine, check whether the valves of the unit are in the normal starting state, and check whether the cooling water source is suffic器2䀀
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03/15/2022

6 Things about the Ammonia Refrigeration Compressor Maintenance

In the refrigeration system of the cold storage, the refrigeration compressor is the core equipment.

06/14/2020

Refrigeration compressor overheat failure analysis

Refrigeration compressor overheat failure analysis The main reasons for the exhaust temperature overheating are as follows: high return air temperature, large motor heating capacity, high compression ratio, high condensation pressure, and improper refrig器2䀀

09/06/2023

What is an Inverter Heat Pump: Understanding the Technology and Benefits

An inverter heat pump is a type of HVAC system that uses advanced technology to provide efficient heating and cooling for residential and commercial spaces. Unlike traditional HVAC systems, which operate at a fixed speed, inverter heat pumps can vary their output to match the exact requirements of your space.