IFM Transmitter PL2658

08/13/2020

Refrigeration system 41 essay questions, too comprehensive!

1. What are the three necessary conditions for the safe operation of the refrigeration system? 　　Answer: (1) The refrigerant pressure in the system must not be abnormally high to avoid equipment rupture.

07/03/2020

Air Compressor Market Outlook: World Approaching Demand & Growth Prospect During 2020-2026, Despite COVID-19 Chaos

DataIntelo report titled Global Portable Oil Free Air Compressor Market provides detailed information and overview about the key influential factors required to make well informed business decision. This is a latest report, covering the current COVID-19 impact on the market. The pandemic of Coronavirus (COVID-19) has affected every aspect of life globally.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

06/14/2020

The development history of magnetic levitation central air conditioning

Magnetic suspension centrifugal refrigeration compressors have been in research for 18 years from the beginning of z * to the present. At present, magnetic suspension refrigeration compressors have begun to be put into practical applications in large quanﰸ2

08/11/2020

How to maintain the lubrication system of the chiller

In the operation system of the chiller, more attention is paid to the refrigerant circulation system, the chilled water circulation system and the electrical control system of the refrigerator. The lubrication system is often overlooked. As everyone knows, this system is also very important to the chiller.

08/11/2020

The function and calculation method of air-conditioning ventilation static pressure box

1. What is a static pressure box?<br></br> 　　 Static pressure box, also known as plenum chamber, is a large space box connected to the air outlet. The flow velocity of the air flow in this space decreases to close to zero, the dynamic pressure is converted into static pressure

08/04/2020

Types of surface coolers and maintenance methods

There are two types of surface coolers: one is the heat exchanger of the fan coil, its performance determines the cooling (heat) capacity of the fan coil and the influence on the air volume.

08/04/2020

Several important issues that should be paid attention to when installing and debugging the inverter on site

nverter is an electric energy control device that uses the on-off action of power semiconductor devices to transform industrial frequency power into another frequency.

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.

09/15/2020

Maintenance steps and methods for air filters above GA90

1. Stop the unit and press the emergency button. 2. Clean the surface of the air filter housing. 3. Remove the lock nut and washer from the screw rod. 4. Take out the air filter.