Oct 11 2017, 12:01 AM
QUOTE(Richard @ May 3 2016, 11:19 PM)
Its a discussion, my brother installs aircon and (copy pasted)
What is not mentioned is R410a used in Inverter Air conditioners runs at a higher pressure than R22 thus the need for thicker copper tubes..
But the regular R22 copper tube can still withstand that higher running pressure only it doesn't have the same safety factor of not springing a leak..
I would advice save money, use back the existing conceal copper tubes with the inverter aircon.. a properly installed R22 copper tube can easily handle the pressure ..
Edit* Just to add..
If you have an installer asking you to replace R22 piping it's not because there's anything wrong with the existing pipes..
My brother says the same thing to his customers all the time.. the installer (like my brother) makes more money ...
like i said he installs aircon..
hi there, since it's 2017, mind to ask are all current aircons sold in market (inverter/non-inverter) all using R410A gases? or by chance non-inverters still using CFC gas?What is not mentioned is R410a used in Inverter Air conditioners runs at a higher pressure than R22 thus the need for thicker copper tubes..
But the regular R22 copper tube can still withstand that higher running pressure only it doesn't have the same safety factor of not springing a leak..
I would advice save money, use back the existing conceal copper tubes with the inverter aircon.. a properly installed R22 copper tube can easily handle the pressure ..
Edit* Just to add..
If you have an installer asking you to replace R22 piping it's not because there's anything wrong with the existing pipes..
My brother says the same thing to his customers all the time.. the installer (like my brother) makes more money ...
like i said he installs aircon..
and anyway to check current piping if they are inverter ready? non-inverter pipes they use pvc, normal metal? inverter pipes use brass? so inverter pipes should look gold/bronze color?
and to figure out it's spec for R22 or R410a, we have to measure the inner diameter & thickness of the pipe (can only measure the outlet since bends are hidden).
and can you tell us the recommended inner diameter & thickness for both R22 & R410A gas? can R22 run efficiently on the bigger & thicker R410A pipe?
also i would assume it's safer to run smaller hp AC with R410A on R22 pipe as smaller AC have lower pressure output?
This post has been edited by advocado: Oct 11 2017, 12:06 AM
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