Delta Fan PFB0912DHE-T500

06/18/2020

The main reason for the slow heating of air conditioners

The main reason for the slow heating of air conditioners There are several reasons for the slow heating of air conditioners: 　　 The dirt of the transpiration device and the condenser is too thick, which will cause air flow blockage, affect the heat declaration, and make the air conditioning heating a big discount. The filter is not cleaned for a long time<img src="{{media url=&quot;wysiwyg/The_main_reason_for_the_slow_heating_of_air_conditioners.jpg&quot;}}" alt="" />

04/30/2022

How to test a contactor?

Check the rated voltage of the contactor coil and connect it to the matching power supply. Open the switch and check whether the contactor is closed. If it cannot be pulled in, it indicates that the contactor coil is faulty.

06/29/2020

What is the cause of compressor pipeline vibration

07/05/2023

HVAC Compressor 101: Working Principle, Types, Function

The compressor is a critical component of any HVAC (Heating, Ventilation, and Air Conditioning) system, responsible for compressing and circulating the refrigerant that cools the air.

08/17/2020

The setting of fire damper in HVAC system

In the HVAC design, there are many types of valves for fire prevention and smoke exhaust, and the valve settings are different for different applications.

09/09/2020

Help you calculate how much electricity can be saved by a permanent magnet variable frequency screw air compressor

Nowadays, the energy consumption of air compressors is huge. In general, up to 70% of the electricity bills of factories come from the consumption of air compressors, so energy saving is imperative, so which air compressors are more energy efficient?

08/11/2020

Instructions for the use of ultra-low temperature storage boxes and daily care methods

Instructions for the use of ultra-low temperature storage boxes and daily care methods<br></br> 1. Transportation and storage matters<br></br> 1. When unloading from the truck, use a double forklift and pay full attention to safety.

03/21/2023

Classification and Application of Vacuum Pump

According to the working principle of vacuum pump, there are two types of vacuum pumps.

08/31/2020

Compressed air quality standard verification in the international medical field

Compressed air and gas are vital to the operation of many medical facilities, and are usually used for breathing, sedation, and the operation of medical devices. Medical facilities must rely on these facilities to save lives and treat.

09/26/2025

How Does an Expansion Valve Work?

The expansion valve is installed at the inlet of the evaporator. Its function is to eject the high-temperature and high-pressure liquid refrigerant from the receiver dryer from the small hole of the expansion valve.