Danfoss Compressor SM084W3CAR

08/02/2020

How to debug McQuay air conditioner noise

Noise caused by thermal expansion and contraction when the wall-mounted machine is working: The noise caused by the stepper motor and the synchronous motor. The main reason is that the internal gears of the motor are poorly matched to form abnormal noise.

03/13/2024

EC Fan: Everything You Need to Know

In the realm of modern ventilation and air circulation systems, Electronically Commutated (EC) fans have emerged as a groundbreaking technology.

07/17/2024

Irrigation Solenoid Valves: Common Faults, Causes and Troubleshooting

Generally, before diagnosing the problem of irrigation solenoid valves (sprinkler solenoid valves), some work needs to be done: such as determining whether the water source is turned on, whether the controller is connected to the power supply and the program setting is correct, whether the flow control handle on the solenoid valve is closed, and then try operating the valve manually.

07/01/2022

Types of Check Valve

Depending on the design of the check valve, they will operate slightly differently. The most common check valve is a spring loaded in-line check valve, however, we will discuss multiple types below.

05/12/2025

A Complete Guide to CPU Liquid Coolers: Composition, Working Principle, Types, and Pros and Cons

With increasing requirements for computer hardware and operating speed, there are higher and higher requirements for the cooling performance of computers.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

08/25/2020

How to correctly take out ammonia refrigerant when repairing refrigeration parts

First, prepare all tools and emergency supplies before operation. Such as ammonia tanks or a certain number of ammonia bottles, scales, connecting pipes, fitter tools, gas masks, rubber gloves and first aid medicines.

07/20/2020

How to eliminate the difficult problems of the salt spray test chamber

Many people will blame the poor quality of the salt spray test box in actual use. However, the relevant departments have used statistical data to tell us that more than 50% of these problems are caused by operation. Only 5% is the quality problem of the salt spray test box itself.

08/20/2020

How to adjust the energy of the compressor of the screw chiller

The compressors used in screw chillers generally have brands such as Taiwan Hanbell and German Bitzer, which belong to the screw compressor series. An obvious feature of this type of compressor is that it can perform an energy adjustment action on it according to different

08/16/2020

How to effectively heat the roof of cold storage

In order to reduce the influence of outdoor air temperature on the interior, the cold storage roof must be insulated. Currently, there are usually the following two approaches.