Danfoss Compressor HLY70AAb

03/15/2021

ALPHA Alpha Servo Drive Repair

Common faults of Alpha servo drives include: power-on without display, with display without output, overcurrent, overvoltage, undervoltage, overheating, overload, overspeed, phase loss, jitter, encoder abnormality, module damage, ground fault, parameters Errors etc.

03/11/2025

Can Power Surge Damage Refrigerator?

Power surge, also called transient overcurrent, is a short-term current and voltage fluctuation in the circuit, which usually lasts about one millionth of a second in the circuit.

09/19/2023

Ground Source Heat Pump: a Complete Guide

Ground source heat pumps (GSHPs) are a type of renewable energy technology that can be used to heat and cool buildings.

08/20/2020

The difference between cross-flow cooling tower and counter-flow cooling tower

The so-called cross-flow cooling tower is a type of cooling tower that allows air to flow horizontally through the water spray filler, and the water dragon falls vertically from the top of the tower

06/29/2020

Several causes of compressor burning

08/28/2020

How to avoid microorganisms in compressed air

Did you know that microorganisms thrive in humid environments, and humid environments can be created by compressing the atmosphere? This means that in the food and beverage industries,

08/17/2020

The quality of the cooling medium affects the cooling effect of industrial chillers

After enterprises purchase industrial chillers, when the cooling performance of industrial chillers decreases during operation, many enterprises think that it is related to the failure of industrial chillers.

08/14/2020

How to flush reciprocating compressor with refrigerant oil

After the refrigeration equipment and its compressor are used for a period of time, the added refrigerating oil will be naturally lost during the operation of the equipment.

08/09/2020

Do you know the selection criteria of electronic valves for cold storage systems

In the cold storage refrigeration system, the selection of components must strictly abide by the four basic principles of safety, reliability, applicability and economy.

08/18/2020

How to replace the lubricating oil and filter drier of the chiller

After the chiller is used for a long time, the lubricating oil will inevitably be contaminated or acidified. Therefore, we must pay attention to the change of oil quality during the operation of the unit.