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mini orchard
post Mar 29 2022, 10:06 AM

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QUOTE(kevyeoh @ Mar 29 2022, 09:56 AM)
hi all...noob question here...so assuming for my master bedroom or living room which is quite large in size.... what is the impact of me choosing 1.5hp vs 2hp aircond?

if i choose 2hp, it is supposed to cool faster, and if i use 1.5hp, it cools slower but then it also means 1.5hp uses less electricity than 2hp...

so in the end...can i say power consumption wise, it should be around the same, but 2hp cost more upfront to buy compare to 1.5hp aircond? and it's just the tradeoff of faster/slower cooling time?
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Depends .... sometimes a lower hp will 'never' cool the room no matter the duration.
mini orchard
post Mar 29 2022, 04:18 PM

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QUOTE(PowerGadget @ Mar 29 2022, 03:31 PM)
Hi mini orchard, I bought CU-PU12XKH which is Panasonic 1.5HP inverter but unfortunately it’s not cold at all after install.

Wondering do you have any idea what’s the problem with the unit? They do install about 6 feet extra copper on the outside compressor with 12.70mm diameter dew point brand copper.

I had called them to come and check tomorrow but in the mean time just worry they might say it needs to claim warranty. The installer just installed yesterday around 4pm
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Any blinking light on the indoor unit ?

Auto shut down ?

Cool mode ?

Outdoor fan turning ?

Compressor working ?

This post has been edited by mini orchard: Mar 29 2022, 05:03 PM
mini orchard
post Mar 29 2022, 07:26 PM

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QUOTE(PowerGadget @ Mar 29 2022, 07:16 PM)
Thanks for helping mini orchard

No blinking light.

No auto shutdown

Yes double confirmed it’s on cool mode and 16 degree Celsius And max fan

Outdoor fan turning but not sure whether it’s hot air or not because this unit is second floor, the compressor hang outside which is not accessible easily.

It is normal if the unit is faulty although on the spot I tel them. They just can proceed to claim warranty instead of replace 1 to 1?
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I think the compressor is not working. If gas leaking, it will shut down auto after sometime.

Not sure with warranty claim. Possible Pana will replace new since is new installation. Call Pana Air Cond CS tomorrow @ +60379313442.
mini orchard
post Mar 29 2022, 08:12 PM

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QUOTE(PowerGadget @ Mar 29 2022, 07:57 PM)
Thanks for the info, mini orchard! Let’s see how it goes tomorrow when Techinician comes over to inspect.

So it’s standard nowadays that no one to one replacement even though I complain on the spot it’s faulty right?
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It depends on the fault. If is not worth to repair, then they will replace.

The tech will check the gas level and capacitor.

Since it didnt auto shut down and no blinking light, gas is ruled out. He may change the capacitor to test. If still not cold, then have to send to Pana to check ..... possible compressor motor faulty or the capillary tube clog.
mini orchard
post Mar 30 2022, 05:53 PM

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QUOTE(PowerGadget @ Mar 30 2022, 05:40 PM)
Just an update for my problem.

Technician came over and see nothing wrong. They not sure what to do as the gas level is 140-150.

Then, they said because my copper size is 12.6mm which is bigger than what is required for the aircond, that’s why it’s not cold.

So now they just pump more refrigerator gas and change the input current to 5.2A because my copper tube is bigger in diameter.

I’m quite worried about the 5.2A as my aircond should be operate at 4.9A. The boss said max input is 7.1A so it’s safe.

Boss said if you expect it to be cold in hot weather day, it’s quite impossible.. hmmm… he use thermometer to check, the aircond now is 19 degree Celsius near blower than I set 16 and max fans. And my room temperature is 27 which he said is totally fine. He mentioned an acceptable range is 8 degree Celsius from blower to room.
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This is the problem.

I have a similar unit of a original 1.5hp piping use for a 1hp compressor. Performance drop.

Redo tbe piping.

Attached Image

mini orchard
post Mar 30 2022, 06:56 PM

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QUOTE(PowerGadget @ Mar 30 2022, 06:01 PM)
Ouch. Mine is exactly same as yours. The piping is one size bigger than what is required. Mine is 1.5hp but using 2.0hp piping. I thought of futureproof because currently I install for my tenant and I’ll be installing 2.0hp in the future for myself.

And the boss told me inverter has humming jet sound is normal?
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I dont own an invertor so I cant comment.

Better to redo the piping, otherwise any problem is the 'piping' problem and you cant get the optimum perfornance from the new AC.


mini orchard
post Mar 31 2022, 06:03 AM

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QUOTE(incredibless @ Mar 30 2022, 09:28 PM)
I am using Panasonic Inverter and Sharp Inverter. The humming jet-like sound is normal as it is more apparent on the Sharp unit when I switch on. The fan will run at high speed along with plane/jet sound at high pitch. For the Panasonic similar sound but more tone down.
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The humming jet-like sound is likely from the blower motor which is one of the two moving part in the indoor unit. The flap motor is too small to create that sound.

Attached Image
mini orchard
post Mar 31 2022, 03:24 PM

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QUOTE(Created On 21/1/2021 @ Mar 31 2022, 02:08 PM)
How do you guys find a reliable air cond service man?
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Few reliable tech I know seldom survive in the competitive market. Pricing 'kills' them.
mini orchard
post Apr 2 2022, 10:16 AM

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QUOTE(MicroFury @ Apr 2 2022, 09:16 AM)
Not easy.
The pricing how much difference?
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For 1hp it can range from 80 to 180 depending on the 'type' of service.
mini orchard
post Apr 9 2022, 09:03 PM

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QUOTE(Daydreamer84 @ Apr 9 2022, 10:07 AM)
Hi all, I'm currently in the midst of selecting air conditioning units for my new home and shortlisted some brands with some inputs. Requesting your opinions and advice.

I'm getting 1 unit cassette 2.5/3hp
4 or 5 units split type ranging from 1hp to 2.5hp.
All inverter units

I was looking at reliability and also IOT functions via WiFi.

Brands
1. Daikin - my preferred choice however noticed that the WiFi app has pro and normal(free) subscription. New users get 2 years of pro then need to pay about rm11.99 per unit/Yr. Pro has usage monitoring and also out of home power on ac function ie out home WiFi network. I'm not a big fan of having to pay yearly subscription for an app...
2. Panasonic - I like their features, don't see any requirement for payment for app usage. Heared that their quality had dropped recent years (true?). Price is the most expensive so far.
3. Acson - contractor recommended to me saying Daikin little brother . I don't have much info on this so wanted to know if this brand has any pertinent issues? How's the app usage?
4. Hitachi - contractor informed me hitachi gives longest warranty. Wanted to know more if its a good brand, spare part availability and their IOT app review?

All opinions and advice are much appreciated
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Buy your preferred choice.

The only answer I can advise ... buy only one brand for easy troubleshooting later.

This post has been edited by mini orchard: Apr 9 2022, 10:05 PM
mini orchard
post Apr 10 2022, 08:47 AM

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QUOTE(rae0724 @ Apr 10 2022, 03:17 AM)
hi yo, need advice frm sifus here. my room and my sis room using sharp same model aircond. my room is slightly bigger than hers, maybe 1 more single bed size empty space only. her aircond is working well, mine is like so hard to get cool, it only work like an aircond when i turn it between 16-17. my sis aircond compressor is just outside, then mine at same place too but longer piping to my room (pipe is sealed inside, apartment unit).

may i know what's the problem huh? is it my aircond is faulty model? it happens since day 1, then i ask technician check they said no problem.
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Call authorised Sharp technician to check and NOT any technicians.

Not every 'technician' have the skill and knowledge to troubleshoot a faulty AC.

It can be the module, piping, compressor, sensor, position of outdoor unit, room size, position of bedroom etc.
mini orchard
post Apr 10 2022, 09:07 PM

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QUOTE(heliozguard @ Apr 10 2022, 08:26 PM)
Any advice on conceal aircond? The cons especially for maintenance?

Not the ceiling type, fully conceal one.
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AC works on air circulation system.
mini orchard
post Apr 12 2022, 05:42 AM

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QUOTE(rae0724 @ Apr 11 2022, 10:30 PM)
understand
so the authorised technician can be found if i contact sharp?
nt sure how this work
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I know Pana have their internal technicians to troubleshoot faulty AC as well authorised third party technicians.

As for Sharp, they should have authorised 3rd party technicians but not sure internal.
mini orchard
post Apr 30 2022, 11:53 AM

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QUOTE(safe118 @ Apr 30 2022, 11:11 AM)
Hi. Does the savings of electricity by inverter really significant as claimed by the salesman? Let say use for 6hrs?
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Subject to user.
mini orchard
post May 7 2022, 04:20 AM

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QUOTE(JasonTheGreat @ May 6 2022, 09:32 PM)
Hi.
I have a big living room with poor insulation and will leaked out to upper floors through the staircase. Should I get an inverter or non inverter in this case?
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Hot air rises, cold air sinks.

The staircase leakage is minimal.

Any ac that has not reach the set temperature will continue to operate irrespective if is invertor or non. In an 'open' space like living or dining area, ac seldom reach the set temperature.
mini orchard
post May 7 2022, 07:03 PM

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QUOTE(5p3ak @ May 7 2022, 04:53 PM)
Does that mean for open spaces it doesn't matter much if inverter or non?
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Yes. But cheaper to buy a non.

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