Nidec Fan A34354-55

08/19/2020

Factors to consider when purchasing a chiller

When purchasing a chiller, many users often think that the chiller is almost the same wherever it is used, and generally consider the price of the chiller. Some important factors when purchasing a chiller are often overlooked.

08/15/2020

Precautions for the installation of refrigeration equipment

For large enterprises that need to use refrigeration equipment, due to the larger scale of the enterprise, the demand for refrigeration will also be greater. Therefore, when selecting and installing refrigeration equipment

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

08/16/2020

Solutions to common system problems of air-cooled chillers

Generally, after companies have used air-cooled chillers for a long time, they are prone to various failures due to lack of necessary maintenance and maintenance. Faced with the occurrence of failures,

08/03/2020

Do you know the five hidden dangers of air conditioning installation

Air conditioning equipment is risky. If there is a problem of negligence during the installation process, for air conditioners, the industry has always had a saying of "three points of quality and seven points of equipment".

06/18/2020

Analysis of the circuit diagram of the two compressors' phase failure protection

Analysis of the circuit diagram of the two compressors' phase failure <br><br> Air compressor phase failure <br><br> circuit In the figure, KP is the electrical contact pressure gauge Ai is the CD4073 AND gate circuit, Az is the ~D4025 NOR gate circuit, and A3 is the CD4071 OR gate circuit. The 7806 three-terminal fixed integrated voltage regulator is used as the control circuit for the DC working power supply. When the AC power fails, the relay KA is released and the motor stops. Circuit diagram of compressor phase failure <br><br><img src="{{media url=&quot;wysiwyg/Analysis_of_the_circuit_diagram_of_the_two_compressors_phase_failure_protection.jpg&quot;}}" alt="" />

11/13/2021

Basics of Industrial Control System and the Use of PLC

The components of industrial control system (ICS) can be roughly divided into two categories according to their location: control center equipment and remote site equipment.

08/19/2020

What are the characteristics of lithium bromide absorption refrigeration units in air conditioning projects

In air-conditioning engineering, most commonly used refrigeration units are vapor compression refrigeration methods, and the refrigerant used in compression refrigeration is halogenated hydrocarbons (ie Freon).

07/16/2020

Heating principle of drying oven

Heating principle of drying oven Everyone knows that the oven is a kind of drying equipment, so how does the oven generate a heat source to quickly achieve the drying effect? Let us take this question to consult some Lutheran.

07/25/2020

90% of the compressor burns down due to these reasons (Refrigeration Oil)

The common faults of compressors mainly include the following three types: 1. Motor burns; 2. Oil shortage caused by refrigerating oil; 3. Liquid shock.