Johnson Controls Sensor TM-2191-0000

08/05/2020

Simple estimation and measurement of indoor and outdoor wind pressure difference in fresh air system

At present, most of the fresh air systems we use follow the design philosophy of large air volume and slight positive pressure, but many people are also confused about this. How to detect the pressure in the room on site?

07/21/2023

Heat Pump vs Air Conditioner: Which One is Right for You?

When it comes to cooling your home, you have two main options: a heat pump or an air conditioner. Both of these systems work to keep your home comfortable during hot weather, but there are some key differences between the two.

06/14/2020

About the basics, principles and classification of air-conditioning compressors, 90% of them will definitely collect them after reading!

About the basics, principles and classification of air-conditioning compressors, 90% of them will definitely collect them after reading! Basic knowledge 1. Installation location The compressor is installed on the right side of the outdoor unit and 器2䀀
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06/14/2020

Does the amount of refrigerant cause frost in the return air pipe and the compressor

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07/27/2020

How much do you know about air conditioning Remove the air-conditioning mystery layer by layer

The working principle of air conditioning supplements the fourth and fifth points:<br></br> Compressor<br></br>

08/18/2020

Installation method of ventilation and air conditioning system

1.Installation of ventilation ducts<br></br> 1) The duct can be manufactured on site or prefabricated in the factory. The duct manufacturing methods are divided into bite connection, rivet connection, and welding.

08/15/2022

Top 10 Brands of Linear Motors

There are many brands of linear motors in the world. The following are some well-known brands of linear motors from countries and regions like Europe, America, Japan, Asia, etc. Hope it will be helpful to you.

07/22/2025

Mitsubishi air conditioner E1, E2, E3, E4, E5, E6 and other faults, how to troubleshoot and repair?

Whether there is a fault in the indoor and outdoor units can be known by the access code of the remote control, the content of the green LED

08/22/2025

Rosemount 3144P temperature transmitter FF fieldbus manual!

power supply Rosemount temperature transmitter FOUNDAIION fieldbus uses standard fieldbus power supply. The operating voltage of the transmitter is 9 to 32Vdc with a maximum of 11 mA. The rated voltage at the transmitter end is 42.4V dc, Wiring diagram

07/07/2020

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