Thanks for the input..

Hi I measured the copper piping given by my developer are 12.7mm.. does it mean i can only install those aircond that fit 12.7mm? Most of them are 2hp and above... Can i install a 1hp 9++mm at the 12.7mm existing piping?

Its semi D.. and i already measure all the piping by myself..

Thans for the reply.. I believe 1.5hp piping is the same as 1hp which is around 9++mm.. so still ok to use.. look like i cant use back my old
1hp AC anymore.. haiz..

U still remember ur compressor copper diameter?

Please tell me this is acceptable?? Compressor copper diameter is 15++mm but my installer just use a smaller diameter copper piping as connection to the IDU..

I see alright thanks

My mitsubishi electric non inverter 2hp require 15++mm pipping.. So ya, better check the specification..

By the way, just found out my aircond man use a smaller piping, i think 12.7mm for my above air cond... Facepalm...

What will happen in long run if i keep the same copper pipe?

Is Acson aircond good? Or better of buy china Gree aircond?

Installing 2.5 non inverter aircond soon. Choosing between mitsubishi electric and acson (wifi) which is better? Mit is 7/2 warranty while acs 5/1.. acson have WiFi for remote start, is this even useful??

By the way, my all other airconds are mitsubishi electric..

Yeap its a living hall.. mitsubishi is around 21.9k btu while acson is 22k btu.. around the same.. both are 3 stars too haha..

Remote also can use timer....

Hi guys, what is the difference between these two wiring diagram.. is it a must to connect to outdoor unit first then only can connect to indoor unit? Or different brand have different connection way..

Can we connect indoor and outdoor through main incoming instead of going through indoor/outdoor unit?

How do i check that? Boucher doesn't give any info.. my developer gave the wiring for direct indoor and direct outdoor.. If my AC need to connect through outdoor unit -> indooor, then i will have a big problem..

Ur internal only have a wire? Then how u power up your indoor unit?
What do u mean by 2 sets of connector..

Mitsubishi electric mr slim inverter 2.5HP and 1.5HP..
May i know why usually 1 way? If indoor and outdoor unit is nearby (back to back) then 1 way is pratical to save wiring.. for my house, the indoor and outdoor is quite far..

Is there anything wrong if the wiring is 2 way?

Panasonic XU or XPU? Price difference by RM600.. worth to get XU?

I auto x - faster cooling
Humidity sensor - monitor humidity to keep below 60%
New aerowing - wider longer range

I am comparing 2.5hp.. maybe xpu is cheaper that time

Midea