Copeland Compressor ZB29KQE-PWJ-558

09/05/2020

Development of all low-voltage small air separation equipment

In the 1990s, with the deepening of reforms and technological progress, large-scale air separation and liquefaction equipment provided the ability and means to transport liquid products. Tank trucks for liquid oxygen, liquid nitrogen and liquid argon were sold all over the country.

05/15/2024

Purge Valve: Everything You Need to Know

In the intricate ecosystem of modern automobiles, where every component plays a vital role in ensuring smooth functioning, the purge valve stands out as a crucial part of the emissions control system.

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="" />

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,

12/02/2024

AB Kinetix 5500 Servo Drive Indicator Light and Fault Codes Explained

Common faults in AB servo drive maintenance include: no display, phase loss, overcurrent, overvoltage, undervoltage, overheating, overload, grounding, parameter errors, display but no output, module damage and other faults.

01/25/2023

10 Things to Consider when Choosing a Pressure Transmitter

A pressure transmitter is a device that converts pressure into a pneumatic signal or an electric signal for control and remote transmission.

08/15/2020

Refrigeration methods and energy-saving methods of industrial refrigerators

Perhaps many friends are not very familiar with industrial refrigerators. In fact, this kind of equipment is aimed at refrigeration equipment in industrial production and can provide the most

06/29/2020

Compression ratio of American Copeland compressor

06/14/2020

Method and procedure of replacing refrigeration compressor

1. Cut off the power supply: before replacing the compressor, be sure to cut off the power supply of the unit, otherwise there will be a risk of electric shock. When removing the power supply of the compressor, the identification of each wire and the corr器2䀀
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08/02/2023

Step-by-Step Guide: How to Fix Heat Pump Freezing Up in Winter

A heat pump is an essential component of your HVAC system that helps regulate indoor temperatures during the winter months. It is designed to work efficiently even in sub-zero temperatures, but sometimes, it may freeze up, causing discomfort and inconvenience.