MASTER Industrial Heater B300

05/01/2022

How to Judge The Model of AC Contactor?

Contactor is the most basic and common electrical component in relay control system. It is mainly used to connect and disconnect lines, or frequently control the operation of motors and other equipment.

09/14/2020

Common troubleshooting methods for twin screw compressors

Common troubleshooting of twin screw compressor 1. Trouble phenomenon The exhaust temperature of the unit is high (over 100 degrees) The coolant level of the unit is too low (should be visible in the oil glass but not more than half) Dirty oil cooler

08/02/2020

Introduction to the knowledge of central air conditioning vents

Introduction to the knowledge of central air-conditioning vents The correct installation and design of central air-conditioning is very important.

08/05/2020

The most common refrigeration method in the market and detailed description

1. Vapor compression refrigeration cycle 　　Using the latent heat generated by the phase change of the working fluid, refrigeration is realized through a closed cycle of compression, condensation, throttling, and evaporation.

09/10/2020

Advantages of air compressor equipped with permanent magnet synchronous motor

1. High efficiency The high efficiency mentioned here does not only mean that the efficiency of the rated power point is higher than that of the ordinary three-phase asynchronous frequency modulation motor, but refers to its average efficiency in the entire speed range. The excitation field of the permanent magnet synchronous motor is provided by the permanent magnet.

01/23/2024

Single Fan and Dual Fan for Household Central Air Conditioning Outdoor Unit: How to Choose?

Central air conditioning generally includes indoor units and outdoor units. For the selection of outdoor units, there are generally single fan and double fan types to choose from. So which one is better to choose?

07/10/2020

Structure and principle of screw air compressor

Structure and principle of screw air compressor 1.Basic Structure Generally, what we call a screw compressor refers to a twin screw compressor, and its basic structure is shown in the figure above. A group of interlocking spiral rotors are arranged in parallel in the main machine of the compressor.

06/09/2022

How to Test Solenoid Coil?

When selecting and using solenoid coils, we should think about the inspection and measurement of the coils, and then judge the quality and advantages and disadvantages of them.

06/29/2020

How the compressor works

06/23/2020

Which refrigerator is better for cooling

Different cooling methods of refrigerators have different advantages, mainly depending on which cooling method is selected. The direct cooling refrigeration type is cheap, relatively energy-saving, and has good fresh-keeping and moisturizing properties, but the temperature is uneven, and it needs to be defrosted frequently.