Air conditioning - Any recommendations please?? - Part 2

[HappyWoodland]

Aircon compressor normally have 5 years warranty. So just ask for warranty repair.

Yes, if compressor spoil but their diagnose fee is $75 & labour around $300. So if you wanted someone to check for you hor i think just ask some contractor to diagnose first lor since it's cheaper.

 

[HappyWoodland]

Anyone changed before outdoor unit alone? What would the price be? My MXY4G33VA2 fan motor is faulty, mitsubishi said might need to change PCB unit. All in all the cost is about $950. Was wondering if just changing the whole outdoor condenser unit would be more feasible and they don't have parts for the PCB, need to wait minimum 2 weeks.

This condenser july 2019, so fast up lorry already. somewhere dec last year already stop working, but manage to switch the jumper and it runs again. now the error code shows fan motor faulty.

Anyone can introduce a reliable contractor to repair? Or is changing the whole condenser unit is better?

Hi still looking for someone to help you? This boy very nice you can try whatsapp him 81890635 James. I ask him quiet alot of question but havent buy from him yet. His willingness to help i believe he can help you out.

 

[LiLAsN]

My mitsubishi aircon (system 3) gas leak
1st march top up gas from 80psi to 150psi
today check left 50psi

any affordable solution to arrest/repair the gas leak? (lot's of conceal ducting)

TIA

If a service person detects that you have a low PSI, the first thing you have to do is quickly contact the original installers. Usually when installing an aircon and having a new piping is that you will also get 1 year's workmanship on the installation. So for example, for the piping, within that one year, you realize the aircon installer company play punk by hiding any opened trunks hidden at the side of the window or at the bottom, you can quickly call them up and request them to have this issue rectified within that 1 year.

Remember, even having any gaps in your trunking which means that it is not sealed will cause warm air from any part of the house that has the trunking to seep through the open gap and can quickly cause your insulation to get overwhelmed by the difference in temperature between the cool pipe and the warm air that is now in the trunking. Thus causing leaking on your trunking more quicker in the future.

Similarly, if there is a case where your gas PSI is lower, it means that there was bad workmanship on the installation of the pipe that cause the leaking. And as per the warranty for workmanship, the aircon installer for the piping MUST come back to fix this issue for free.

Depending on the company that you engage, there are quite a number of these companies that play this game. Because 'gas top-ups' makes them lots of money when you engage their maintenance service next time.

As I've mentioned in a very detailed post earlier this year gas top-ups should not be a common thing. In fact, it should never happen at all. If you know a bit about computers, you should know that like fridges, the gas is in a closed-loop system. Have you ever needed to top up the gas on your fridge? No right? Exactly. It is a sign that there is a leak in your piping. The gas can be toxic to humans especially in an enclosed room. Not to mention, they are knowingly and willingly polluting and damaging the ozone by letting these gases leak into the air just to get more money out of you when you call for maintenance on your not so cooling aircon.
Absolutely disgusting tactics.

Please do check your trunking properly especially at hidden corners where they can leave a gap to make your trunking leak sooner too. Because you seem to be unlucky to have an installer that even caused your piping to leak and knowingly poisoning you along with making Singapore hotter by damaging our ozone layer right above our heads.

 

[WJY]

If a service person detects that you have a low PSI, the first thing you have to do is quickly contact the original installers. Usually when installing an aircon and having a new piping is that you will also get 1 year's workmanship on the installation. So for example, for the piping, within that one year, you realize the aircon installer company play punk by hiding any opened trunks hidden at the side of the window or at the bottom, you can quickly call them up and request them to have this issue rectified within that 1 year.

Remember, even having any gaps in your trunking which means that it is not sealed will cause warm air from any part of the house that has the trunking to seep through the open gap and can quickly cause your insulation to get overwhelmed by the difference in temperature between the cool pipe and the warm air that is now in the trunking. Thus causing leaking on your trunking more quicker in the future.

Similarly, if there is a case where your gas PSI is lower, it means that there was bad workmanship on the installation of the pipe that cause the leaking. And as per the warranty for workmanship, the aircon installer for the piping MUST come back to fix this issue for free.

Depending on the company that you engage, there are quite a number of these companies that play this game. Because 'gas top-ups' makes them lots of money when you engage their maintenance service next time.

As I've mentioned in a very detailed post earlier this year gas top-ups should not be a common thing. In fact, it should never happen at all. If you know a bit about computers, you should know that like fridges, the gas is in a closed-loop system. Have you ever needed to top up the gas on your fridge? No right? Exactly. It is a sign that there is a leak in your piping. The gas can be toxic to humans especially in an enclosed room. Not to mention, they are knowingly and willingly polluting and damaging the ozone by letting these gases leak into the air just to get more money out of you when you call for maintenance on your not so cooling aircon.
Absolutely disgusting tactics.

Please do check your trunking properly especially at hidden corners where they can leave a gap to make your trunking leak sooner too. Because you seem to be unlucky to have an installer that even caused your piping to leak and knowingly poisoning you along with making Singapore hotter by damaging our ozone layer right above our heads.

Thanks, my piping is already almost 20yrs now
I guess it is not the workmanship problem

however may ask another service guy to check the the joint see if they can arrest the leakage.

 

[petetherock]

You reused 20 year old piping?
Not a good idea..

 

[LiLAsN]

Thanks, my piping is already almost 20yrs now
I guess it is not the workmanship problem

however may ask another service guy to check the the joint see if they can arrest the leakage.

Thank goodness your piping is because of old age. 20 years is really a long stretch. It could be better to get it replaced. Better than suffering from an unseen toxic gas leak which you may not know what kind of long term effects it has.

It's like the old MRT tracks. Would you prefer to use duct tape to fix a failing system or just get the whole piping replaced with a fresh new one.
For the price of maintenance by topping up gas while breathing in those toxic ozone gas, it's much more cost saving to do a one-time piping replacement.

 

[WJY]

Thank goodness your piping is because of old age. 20 years is really a long stretch. It could be better to get it replaced. Better than suffering from an unseen toxic gas leak which you may not know what kind of long term effects it has.

It's like the old MRT tracks. Would you prefer to use duct tape to fix a failing system or just get the whole piping replaced with a fresh new one.
For the price of maintenance by topping up gas while breathing in those toxic ozone gas, it's much more cost saving to do a one-time piping replacement.

Noted

after taking into consideration of all feedback, I've arranged gaincity to do a site survey at my home tmr. Hopefully they can give me a good quotation.

any other recommendation for installer?

thank you

 

[niwde82]

Hi. I just bought a resale unit that is around 7 yrs old. Shd I change the existing aircon? How to know if it shd be changed?

 

[petetherock]

Typically if it's working and under 10 yrs, it should work for a few more years. However if you don't like renovations and the aircon units look bad, change it. Avoid the dusty and hassle and get a new one with better energy ratings.

 

[MinMin85]

Hi, I encountered one that workmanship only warranty for 6mths, is it normal?

and is 9k btu enough for 207sqft mbr?

 

[hmsweethm]

My mitsubishi aircon (system 3) gas leak
1st march top up gas from 80psi to 150psi
today check left 50psi

any affordable solution to arrest/repair the gas leak? (lot's of conceal ducting)

TIA

Last time the leak was from the connector point to the compressor.
dunno which aircon tech spoilt the nipple and the pin waspushed inside and stuck Inside....
Youtube got many videos of overseas replacing the nipple. .
But the aircon company told me need to cut and removed and weld back the piping. Few hundred dollars.

 

[meschan]

Got my air con repairs done by Mitsubishi, CU model is MXY-4G33VA2. Fan motor and Control PCB was faulty according to them. Total damage done was $540. CU not even 2 years old, but after repair another problem persist, the CU unit couldn't use the default power saving mode, can only revert to the normal mode which is 2 ticks instead of the 5 ticks. Technician couldn't explain why was it like this and suggest to change the Power PCB for another $415.

Anybody got this issue with this particular model? the CU won't start when using the power saving mode. How did you rectify it?

 

[mkaung2000]

Got my air con repairs done by Mitsubishi, CU model is MXY-4G33VA2. Fan motor and Control PCB was faulty according to them. Total damage done was $540. CU not even 2 years old, but after repair another problem persist, the CU unit couldn't use the default power saving mode, can only revert to the normal mode which is 2 ticks instead of the 5 ticks. Technician couldn't explain why was it like this and suggest to change the Power PCB for another $415.

Anybody got this issue with this particular model? the CU won't start when using the power saving mode. How did you rectify it?

That's really bad. PCBs are dam expensive too.

 

[meschan]

That's really bad. PCBs are dam expensive too.

yeah, i didn't change the power PCB as the technician cannot guarantee it will fix the problem. I don't understand why the power PCB can supply power to run on 2 ticks when 5 ticks is suppose to save electricity, which uses less power. weird af if you ask me. i believe it should more of signal or wiring issues then again i'm not technically incline on this, just based on general knowledge

 

[Mecisteus]

Got my air con repairs done by Mitsubishi, CU model is MXY-4G33VA2. Fan motor and Control PCB was faulty according to them. Total damage done was $540. CU not even 2 years old, but after repair another problem persist, the CU unit couldn't use the default power saving mode, can only revert to the normal mode which is 2 ticks instead of the 5 ticks. Technician couldn't explain why was it like this and suggest to change the Power PCB for another $415.

Anybody got this issue with this particular model? the CU won't start when using the power saving mode. How did you rectify it?

How do you differentiate or change the power saving or normal mode?

They are not on the remote.

If I were you, I will just use the aircon as it is first. Repair this and repair that, you may not know what new problem may arise.

https://www.mitsubishi-electric.co....MSZ-GE35, MSZ-GE42, MSZ-GE50 Remote Guide.pdf

 

[Mecisteus]

Hi. I just bought a resale unit that is around 7 yrs old. Shd I change the existing aircon? How to know if it shd be changed?

Interview the previous owner, visually inspect the condition of the aircon and test the aircon yourself.

 

[GBC]

Hi, I encountered one that workmanship only warranty for 6mths, is it normal?

and is 9k btu enough for 207sqft mbr?

https://silverbackaircon.sg/aircon-btu-calculation-guide/?v=0f177369a3b7
New aircon installation worksmanship warranty is normally 1 year.

 

[WJY]

https://silverbackaircon.sg/aircon-btu-calculation-guide/?v=0f177369a3b7
New aircon installation worksmanship warranty is normally 1 year.

gaincity is 3years warranty iirc

 

[Jackintheboxx]

yeah, i didn't change the power PCB as the technician cannot guarantee it will fix the problem. I don't understand why the power PCB can supply power to run on 2 ticks when 5 ticks is suppose to save electricity, which uses less power. weird af if you ask me. i believe it should more of signal or wiring issues then again i'm not technically incline on this, just based on general knowledge

Maybe something related to this.

Not sure how true but I was told that these 5 tick outdoor units are the same as the old 2 tick starmex, only with different pcb's to electronically throttle back performance and achieve the energy savings. So maybe that's why there's an option to toggle between 2 power modes if higher cooling capacity is prioritised over energy consumption.

 

[Crayon Shinchan]

just curious anyone calculated how much does one night of aircondioning cost for electricity?

e.g. 7hrs, 18¢per kWh