Abid Engineering

25/12/2025

06/12/2025

শিতের তিন মাস, প্রত্যেক এসি ইঞ্জিনিয়ারের ঈদের মাস, কাজ কাম নাই শুধু চিল। ❤️❤️

28/11/2025

what is this parts name?

30/10/2025

কাজে গিয়ে ৫০ রিয়াল জরিমানা দিলাম কেমনটা লাগে।

08/09/2025

What is this

01/09/2025

What is problem this air coundition?

22/01/2025

Saptco winter season finished 2025 ❤️❤️❤️❤️

18/01/2025

How to charge and unload the air conditioner in detail?
Charging and unloading the air conditioner is essential to maintain cooling efficiency and the air conditioner working efficiently. This process requires precise knowledge to ensure the safety of the system. Here are the detailed steps on how to charge and unload the air conditioner:

Step One: make sure the ac is needed to charge
Before you start charging, make sure the AC really needs to be recharged. You can check this by several signs, such as:

Poor performance: Poor cooling or heating in the room.
Pipes freeze: You may notice an ice or freeze on the pipes.
Low gas pressure: can be checked using a specialized pressure gauge.
Leakage: Ensure there is no leakage in the system, as charging the system with leakage will result in rapid loss of gas.
Step Two: Prepare for Shipping
Measuring Instruments: You need a proper pressure gauge (pressure scope or manometer) to measure pressure in the system.
Proper Gas: Be sure of the type of gas required, such as the R-410A, R-22 or r32, as each type of air conditioner has specific gas.
Hygiene and safety: wear gloves and protective eyeglasses to protect yourself from gases.
Step 3: dumping the old gas
System Shutdown: Turn off the AC and disconnect.
Discharge machine arrived: connect discharge pipes to low pressure valve and high pressure valve in the system.
Pump Run: Use a discharge pump to pull old gas out of the system as a whole. Keep doing this until the internal pressure in the system reaches 30 inches below zero.
Lock Confirmation: After the unloading process, make sure to close the valves tightly.
Step Four: Charging with new gas
Gas connection: Plug the gas cylinder into the low pressure valve.
Slow Gas Opening: Slowly open the gas valve to allow gas into the system. Avoid opening quickly to avoid increasing the entry of gas or liquid in large quantities, which affects the compressor.
Pressure Check: Use a pressure gauge to check pressure during the shipping p

12/01/2025

HVAC is an acronym that stands for Heating, Ventilation, and Air Conditioning. A residential HVAC system is a complete home comfort system that can heat and cool your home, as well as provide improved indoor air quality and humidity control. There are many different types of HVAC systems.