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 Aircon Discussion V3, Home Appliance

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VeeJay
post Oct 6 2017, 10:35 PM

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QUOTE(gkl83 @ Oct 6 2017, 08:12 PM)
hi guys, any place i can buy remote control for panasonic A/C beside of online store and panasonic service center?
All the third party remote control that i found are no supported with horizontal swing.
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I bought mine at Ace Hardware, it works fine
Bigblock
post Oct 9 2017, 12:04 AM

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Hi guys I need a suggestion. need to install a 1HP air-con in my study.
What brand and models do you suggest? Been using non inverter Panasonic in my house
lowyatjoe
post Oct 9 2017, 03:40 AM

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Guys i use aircond around 7 to 8 hours a day. Shouldni get an inverter or non inverter aircond?
andrekua2
post Oct 9 2017, 06:17 AM

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QUOTE(halcyon27 @ Sep 26 2017, 12:24 PM)
No worries but hope you don't misunderstand that I'm not against nanoe or Plasmacluster or Samsung plasma (Splasma) or LG etc. They are truly beneficial esp when integrated in AC.

However, maintaining high humidity works cross purposes to how an AC works. There's a compromise needed. Hence in my home, if AC is turned on the house rule is no colder than 26°C and lightly dressed e.g.singlet and sleeping shorts and fleece blanket. Normally it would be 27°C AUTO with 2 speed ceiling fan which brings the humidity down to 65% and temperature 25°C owing to windchill. Everyone needs to drink at least two cups of water before they sleep. Colder than that is harmful long term.

My own preference is Sharp inverters with plasma cluster and self clean (mould prevention) and their upward air throw such was introduced in 2008-2009, way before Panasonic Skyair entered the market. The newer models had long throw out 14m as of 2015.

Any recommendation have take a wider view that just AC hp.

Hence, all the questions I raised earlier should be the primary driver first to determine the cooling load in BTU/hr from which you then derive the AC's HP required.

I've lived both in landed and condo, some afternoon sun facing, some morning sun facing and am familiar with the seasonal variation of sunlight on the buildings over the year where I live.

Basically it's the compass points where the room is oriented that matters when calculating. Trees over the frontage of the room adds to solar shading. Insulation over the roof matters as it brings down the heat load factor. Living in the top floor of a condo matters if the roof is not covered ie bare concrete exposed to the elements. Facing W,SW,NW will increase heat load. Ground floor is more insulated than top floors typically but that depends if there's a garden (affords better ground heat insulation) or fully paved front yard (living room becomes an oven by 1pm if there's no awning), etc.

Don't rush into which model....just work out the factors affecting the room that needs cooling than based on that go for the features or requirements that matters. Good piping and installer handiwork matters and don't stinge on that. The AC will be operating for a long time if maintained well as long as the brand is reputable and the product reliably engineered.
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Just like what I tried and it works. Many people told me 1HP wouldn't work for living room. I thought what a waste to threw it away since I have an extra after changing my room unit to inverter. Just set to 26C and with the help of a stand fan to blew the cooler air around the house, it was really comfortable even when the direct sun hit the living room in the evening.

andrekua2
post Oct 9 2017, 06:28 AM

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QUOTE(starz92 @ Oct 6 2017, 12:02 PM)
Guys, need air cond brand and model recommendation for 1hp inverter.
My samsung inverter just die on me after 3 years+.
The repair guy told me not worth to repair and ask me dont buy samsung anymore. lols.
To me 3 years+ with operation almost every night is kinda reasonable?
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Did you service yearly? I also install a Samsung triangle inverter last year.

How hard did you use it? I usually set it around 26-27C cool or dry mode, depending on the reading on the hygrometer. Recently my office also face same situation where the technician said we push the unit too hard when it was not cool. The compressor overloaded and now is not working well. There's even leak from it.


halcyon27
post Oct 9 2017, 08:08 AM

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QUOTE(andrekua2 @ Oct 9 2017, 06:17 AM)
Just like what I tried and it works. Many people told me 1HP wouldn't work for living room. I thought what a waste to threw it away since I have an extra after changing my room unit to inverter. Just set to 26C and with the help of a stand fan to blew the cooler air around the house, it was really comfortable even when the direct sun hit the living room in the evening.
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It usually depends on how large an area that requires cooling and more importantly the amount of heat that needs dissipating. If the living room is partitioned into it's own space distinct from dining ie without an open flow layout, it tends to be easier to cool. The degree of shading helps also: if there's a porch, a garden with tall trees or even shading facade, the amount of heat absorbed tends to be lower.

And most importantly, the type of flooring also affects perception of thermal comfort wrt humidity control. Marble/terrazo > wood > glazed ceramic tiles

This post has been edited by halcyon27: Oct 9 2017, 08:23 AM
lowlowc
post Oct 9 2017, 09:39 AM

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Hi, may I know if I replace my aircon (which was installed 6 years ago, repair cost is not worth it), do I need to replace the pipings too? I am going for same HP, same non-inverter. I am planning to change from Mitsubishi to Daikin.

This post has been edited by lowlowc: Oct 9 2017, 09:45 AM
spreeeee
post Oct 9 2017, 09:49 AM

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QUOTE(lowlowc @ Oct 9 2017, 09:39 AM)
Hi, may I know if I replace my aircon (which was installed 6 years ago, repair cost is not worth it), do I need to replace the pipings too? I am going for same HP, same non-inverter. I am planning to change from Mitsubishi to Daikin.
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yes, u can re-use back, unless leaking spotted?
lowlowc
post Oct 9 2017, 10:14 AM

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QUOTE(spreeeee @ Oct 9 2017, 09:49 AM)
yes, u can re-use back, unless leaking spotted?
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My piping is from aircon directly to outside wall. So far no leaking detected.
I recently went to Harvey Norman (just for surveying purpose, not planning to buy there) and was told that regardless if I install a new aircon + pipping, or just need their technician to put my indoor and outdoor units to the rack, they will charge the full installation. Is it true for all installations out there?
halcyon27
post Oct 9 2017, 11:27 AM

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QUOTE(lowlowc @ Oct 9 2017, 10:14 AM)
My piping is from aircon directly to outside wall. So far no leaking detected.
I recently went to Harvey Norman (just for surveying purpose, not planning to buy there) and was told that regardless if I install a new aircon + pipping, or just need their technician to put my indoor and outdoor units to the rack, they will charge the full installation. Is it true for all installations out there?
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If it's not troublesome, can take a picture of your current pipes as it would appear connected to the compressor outside? Just the connection will do.
lowlowc
post Oct 9 2017, 11:32 AM

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QUOTE(halcyon27 @ Oct 9 2017, 11:27 AM)
If it's not troublesome, can take a picture of your current pipes as it would appear connected to the compressor outside? Just the connection will do.
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Ok, I will take it after back from work.
halcyon27
post Oct 9 2017, 11:43 AM

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QUOTE(spreeeee @ Oct 2 2017, 04:39 PM)
any recommendation where to buy something similar as below?

http://www.lazada.com.my/air-wing-slim-the...0.0.6zusof&ff=1

basically want to deflect the air flows to blow higher..
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You can check it out at Homefix too but Malaysian Cybersale week also has started today from 9th -13th October.
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This post has been edited by halcyon27: Oct 9 2017, 11:47 AM
starz92
post Oct 9 2017, 03:28 PM

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QUOTE(andrekua2 @ Oct 9 2017, 06:28 AM)
Did you service yearly? I also install a Samsung triangle inverter last year.

How hard did you use it? I usually set it around 26-27C cool or dry mode, depending on the reading on the hygrometer. Recently my office also face same situation where the technician said we push the unit too hard when it was not cool. The compressor overloaded and now is not working well. There's even leak from it.
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At night 16~18C with boost. lols...I guess I push it hard as well haha.
Anyway bought the Panasonic inverter with econavi to replace it. 3 years+ of usage sounds ok to me

This post has been edited by starz92: Oct 9 2017, 03:29 PM
Bigblock
post Oct 9 2017, 04:46 PM

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daikin or panasonic what models recommended? non inverter models
halcyon27
post Oct 9 2017, 05:33 PM

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QUOTE(Bigblock @ Oct 9 2017, 04:46 PM)
daikin or panasonic what models recommended? non inverter models
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Daikin. Also check out the Johnson Controls managed York which is based on Hitachi technology but marketed by York team. Very impressive and locally produced.
halcyon27
post Oct 9 2017, 05:41 PM

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QUOTE(starz92 @ Oct 9 2017, 03:28 PM)
At night 16~18C  with boost. lols...I guess I push it hard as well haha.
Anyway bought the Panasonic inverter with econavi to replace it. 3 years+ of usage sounds ok to me
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The lower the temperature, the harder the AC is pushed. If you can, refer to the installation manual and have the installer to give more clearance to compressor's placement so that it doesn't suffer "heat stroke" easily. Although Japanese brand usually have better tolerances to heat dissipation clearances (maintain x cm distance left right up down away from wall, ceiling or from another compressor, etc) than Korean brand, it's better to revisit this parameter. I had to do that for my Samsung and it's been ok so far.
Bigblock
post Oct 9 2017, 06:43 PM

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QUOTE(halcyon27 @ Oct 9 2017, 05:33 PM)
Daikin. Also check out the Johnson Controls managed York which is based on Hitachi technology but marketed by York team. Very impressive and locally produced.
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Thank you, my aircond man came by and recommended FTN-P Series from Daikin. Its for my study room. Issue is I asked about inverter airconds and he says there are many issues with inverter air conds. Why is that?
halcyon27
post Oct 9 2017, 06:57 PM

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QUOTE(Bigblock @ Oct 9 2017, 06:43 PM)
Thank you, my aircond man came by and recommended FTN-P Series from Daikin. Its for my study room. Issue is I asked about inverter airconds and he says there are many issues with inverter air conds. Why is that?
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We hear that a lot and it boils down to varying factors. Rest assured I've used them for over 10 years of various models in various places I've stayed. It's generally ok so long as it's regularly serviced at least once a year.

Also inverter AC pipes needs to be thick 0.8". Some models have extra communication cable between compressor and indoor blower. Manufacturers also specify safe distance from compressor to wall/roof/other so that they don't overheat and konk so easily. Some are specific that the pipe must curl one round esp Korean brands. Then there are workmanship and how skilful they install esp piping to compressor. Then there's piping and drainage placement, etc.

Most times, it's a combination of these.

This post has been edited by halcyon27: Oct 9 2017, 11:42 PM
kenlui
post Oct 9 2017, 11:09 PM

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Anybody has contacts of reliable aircon service technician in kl? Need to do service for all 5 units in my house.
Bigblock
post Oct 10 2017, 08:58 AM

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QUOTE(halcyon27 @ Oct 9 2017, 06:57 PM)
We hear that a lot and it boils down to varying factors. Rest assured I've used them for over 10 years of various models in various places I've stayed. It's generally ok so long as it's regularly serviced at least once a year.

Also inverter AC pipes needs to be thick 0.8". Some models have extra communication cable between compressor and indoor blower. Manufacturers also specify safe distance from compressor to wall/roof/other so that they don't overheat and konk so easily. Some are specific that the pipe must curl one round esp Korean brands. Then there are workmanship and how skilful they install esp piping to compressor. Then there's piping and drainage placement, etc.

Most times, it's a combination of these.
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Makes sense, entirely up to the installer. The product cant be so defected.

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