ABB Controller Module PMA323BE

07/20/2020

Analysis of circuit diagrams of two compressors' phase failure protection

Analysis of circuit diagrams of two compressors' phase failure protection Air compressor phase failure protection circuit Protection circuit diagram Air compressor phase failure protection circuit

08/15/2020

Cold storage operation maintenance and management methods

1.Booting and preparation before booting Before starting up, check whether the valves of the unit are in normal starting state, check whether the cooling water source is sufficient, and set the temperature according to the requirements after the power is turned on.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

08/31/2022

How to Calculate the Breaking Capacity?

The breaking capacity of the circuit breaker is an important indicator of the circuit breaker, which refers to the ability of the circuit breaker to safely cut off the fault current. There are 36KA, 50KA and other specifications.

06/08/2023

What Does a Bad AC Compressor Sound Like?

Your air conditioning (AC) system is designed to keep you cool and comfortable during the hot summer months.

05/05/2025

What are the Signs of a Bad Refrigerator Compressor?

The compressor is the soul of the whole refrigerator. If the compressor of the refrigerator is faulty, it will lead to the abnormal operation of the refrigerator and affect the cooling effect.

09/04/2020

How to determine the oil content of air compressor exhaust

The air compressor should indicate the exhaust oil content in the rated exhaust state on the nameplate or user manual.

09/10/2020

Summary of features and failures of scroll compressors Deep analysis

The scroll compressor is a positive displacement compressor, and multiple compression chambers are formed by the meshing of the scroll rotor and the scroll stator. With the translation and rotation of the vortex rotator, the volume of each compression chamber continuously changes to achieve gas inhalation and compression.

08/19/2020

How to operate cold storage to save electricity

How can the cost of cold storage operation be reduced is a point of concern for many people. The operation cost of cold storage is mainly composed of electricity, maintenance, management fees and other miscellaneous items. Today, let's talk about how cold storage can save electricity.

08/09/2020

Why is the application of frequency conversion technology slow in freezing and refrigeration

In household air conditioners, inverter technology has become popular. Compared with household air conditioners, the use of frequency conversion technology in refrigeration and refrigeration systems is of greater significance