TRIAD Transformer VPS20-4000

08/17/2020

The function and setting of the oil trap in the refrigeration system

In the Fuli Subaru refrigeration and air-conditioning system, when the main engine is higher than the end (evaporator), there is a riser pipe between the evaporator and the main suction pipe,

06/25/2020

[Experience] Constant temperature and humidity box refrigeration system

[Experience] Constant temperature and humidity box refrigeration system Constant temperature and humidity box refrigeration system: 1 Two single-stage refrigeration system cascade refrigeration cycle; 2 Cascade refrigeration cycle of two-stage compression system;

04/02/2025

FANUC Servo Amplifier Alarm Codes and Solutions (SV430~SV449)

FANUC Servo Amplifier Alarm Codes and Troubleshooting Methods

08/14/2020

Low-voltage alarm and fault repair methods for precision air conditioners in computer rooms

The low-pressure alarm for the special air conditioner in the data center computer room is a problem we often encounter in daily maintenance. Especially often encountered in winter.

02/09/2023

What is a Blend Door Actuator?

Blend door actuators, also known as Heating, Ventilation, and Air Conditioning (HVAC) actuators, control the position of the vents and the air flowing into the passenger area of the vehicle.

07/28/2025

10 Methods for VFD Troubleshooting

It is important to learn the helpful methods for VFD troubleshooting. In order to let everyone be capable of solving VFD problems, we have summarized 10 methods here.

01/12/2021

Which is better, Copeland compressor and Mitsubishi compressor

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06/29/2020

Compression ratio of American Copeland compressor

06/14/2020

Today, a user who came to repair a display cabinet said that the compressor of the freezer sometimes works and sometimes does not work

Today, a user who came to repair a display cabinet said that the compressor of the freezer sometimes works and sometimes does not work.

08/06/2020

Principles that need to be followed when using antifreeze in industrial chillers

Principles that need to be followed when using antifreeze in industrial chillers<br></br> The role of antifreeze for industrial chillers is to prevent expansion and cracking of heat exchangers, pipes or engine cylinder blocks due to the freezing of the coolant.