Banner Sensor Q20PDW

11/27/2023

CPU Fan Replacement HP Laptop with Figures and Detailed Steps

Recently, the HP notebook for personal use prompts that the fan is broken when it is turned on. I decisively placed an order online and bought a replacement fan.

08/18/2020

Solution to water leakage of fan coil ceiling

The fan-coil system is supplied with chilled water by the chiller, and the water temperature is usually only about 8°C. Therefore, the chilled water supply and return pipes, condenser pipes and condensate trays are all relatively low in temperature.

05/09/2022

How to Clean Automobile Solenoid Valve?

Before removing the valve body from the bottom of the transmission, take extra care when removing the flat wire of the external solenoid valve.

08/13/2020

Acceptance standards after the cold storage design and installation are completed

A newly built cold storage, when it's time for acceptance, it will definitely be anxious. How can it be accepted to ensure quality and quantity? The editor of okmarts.com will briefly introduce it below.

09/08/2020

The function and basic performance of the pressure reducing valve of the compressed air filter

The filter, pressure reducing valve and lubricator together form a pneumatic triplet. The filter is mainly responsible for filtering the liquid water, oil and impurities in the compressed air, the pressure reducing valve is mainly responsible for controlling the system pressure, and the oil mist device is responsible for the oil lubrication of the back-end components.

08/03/2020

What are the thermal state parameters of the refrigerant

The working fluid is constantly changing its thermal state. The physical quantity describing the thermal state of the working fluid is called the thermal state parameter of the working fluid, referred to as the state parameter.

12/23/2024

Rexroth Servo Drive Fault Codes and Troubleshooting Methods

Common faults of Rexroth servo drives / servo controllers include: no display, phase loss, overcurrent, overvoltage, undervoltage, overheating, overload, grounding, parameter errors, display but no output, module damage, etc.

06/29/2020

Compression ratio of American Copeland compressor

07/26/2020

The influence of temperature on refrigeration compressor

In summer, the discharge temperature of the compressor is relatively high and cannot be touched by hands. According to national standards, the exhaust temperature of the R22 refrigeration system should not exceed 150 degrees Celsius.

07/04/2020

Five damage situations known to the compressor

Five damage situations known to the compressor Air conditioning has always been an indispensable "good companion" to accompany the hot summer! The reason the air conditioner can bring us cool is because of its internal compressor. If the air conditioner is used more and more frequently, then its internal compressor is prone to malfunction or even damage.