Banner Sensor PBP48

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

08/19/2020

Tips for quick air conditioning

1: The press does not start, there is no problem with the temperature setting, but there is no response after power on<br></br> 　　 The compressor does not turn, the fan turns, you must first look at the capacitor

08/16/2020

How to clean the evaporative condenser chemically

Heat exchanger is an energy-saving equipment that realizes heat transfer between materials between two or more fluids at different temperatures. It transfers heat from a higher fluid to a lower temperature fluid,

08/05/2020

Issues that need attention when moving air conditioners

1. Preliminary preparation 　　 At least two or more skilled refrigeration repairmen, a set of tools, safety belts and other safety equipment.

08/18/2020

Causes that affect the low evaporation temperature of the refrigeration system of the constant temperature and humidity box

Recently, some netizens asked about the main factors for the low evaporation temperature of the refrigeration system of the constant temperature and humidity box.

05/04/2022

How to Deal With 6 Common Faults of Contactor?

Cause: The short-circuit ring of AC contactor is broken or the end faces of dynamic iron cores and static iron cores are uneven; Skewed or dirty.

08/14/2020

Introduction to the three most common classification methods of refrigeration compressors

The evaporation temperature of the single-stage refrigeration compressor is in the range of -45~10℃. Divided by evaporation temperature:

08/18/2020

Failure analysis and solutions of various configuration components of refrigeration unit

Reasonably match the refrigeration capacity and refrigeration load of the refrigerator. Adjust the number of operating refrigeration compressors appropriately according to the size of the refrigeration load.

09/14/2020

Technical standards for silent oil-free air compressors

Technical standard for silent oil-free air compressor 1. Subject content and scope of use　　 1. This standard specifies the terminology, technical requirements, test methods and inspection rules of silent oil-free air compressors.　

08/13/2020

What are the thermal state parameters of the refrigerant

In the refrigeration cycle, the working fluid continuously changes its thermal state. The physical quantity describing the thermal state of the working fluid is called the thermal state parameter of the working fluid