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 Aircon Discussion V3, Home Appliance

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halcyon27
post Nov 24 2017, 07:15 PM

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QUOTE(aeiou228 @ Nov 24 2017, 05:03 PM)
The 2.5 hp Mitsubishi is pretty powerful, it has the wide and long air flow features. About 5 min to cool the entire ground floor. Setting to <25c is too cold for me. Since one unit 2.5 hp is good for me, I'm sure your 3hp is even more colder. Sharing my experience from actual usage.
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This is the Mr Slim model? I like their features esp the long throw. Same, 25°C is the lowest I go but except when hosting a party.
halcyon27
post Nov 24 2017, 07:29 PM

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QUOTE(deity01 @ Nov 24 2017, 05:26 PM)
anyone use samsung aircon b4? good? bad?
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Triangle inverter user here. Ok quite good and quiet. I prefer the older model that debut in 2013-2014. They have S-ion. The newer generation may not have.
halcyon27
post Nov 25 2017, 11:06 AM

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QUOTE(cuttlefish @ Nov 24 2017, 11:04 PM)
hi there
i believe the teardrop dry mode does not dry the fin and blower.
the teardrop mode is to dry the air of the environment, not of the indoor unit innards
if clean mode is not available, the next closest thing should be running the indoor unit at fan mode only
running the system at teardrop dry mode will cause the fins to be wet due to condensation to reduce the air humidity (therefore dryer)
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You're right! My bad, I was confusing that with fan circulation mode. It was coolkwc's post that detailed how it should be done. I stand corrected.

GamersFamilia, correction note: COOL>FAN (Circulation mode)>OFF TIMER (2hrs)

This post has been edited by halcyon27: Dec 12 2017, 03:18 PM
halcyon27
post Nov 27 2017, 03:02 PM

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QUOTE(lyt25_1234 @ Nov 27 2017, 02:37 PM)
Hi,

I have a 4 years old YORK air cond and it has now starting to produce odour smell when I turn it on every time.

I bought a aircond cleaner from Mr. DIY and spray on it. But still the odour is there. Does this mean that it was the compressor that is dirty instead?
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Mould. Get AC guy to chemical wash and clear the drain of any algae too or gunk that has developed over time. AC must run in fan mode after use for 2 hours to dry the fins and blower to prevent mould build up.

This post has been edited by halcyon27: Nov 27 2017, 03:02 PM
halcyon27
post Nov 27 2017, 03:39 PM

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QUOTE(lyt25_1234 @ Nov 27 2017, 03:08 PM)
The mould build up is inside the aircond unit or the compressor there?
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Indoor unit. Teh ping effect on heat exchanger will collect dust and encourage mould growth over time.
halcyon27
post Nov 27 2017, 03:46 PM

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QUOTE(lyt25_1234 @ Nov 27 2017, 03:41 PM)
Ooo, ok. Thanks for the explanation.
Looks like I need a high pressure water spray to shoot inside the indoor unit...

Maybe I will try mixing the MR DIY spray foam with water and spray it. Hopefully it will remove those mold.
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Better to get AC maintenance guy to do it. There are complex electronics stuff in there. Are you in Klang Valley?
halcyon27
post Nov 28 2017, 05:11 PM

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QUOTE(BboyDora @ Nov 28 2017, 03:25 PM)
Just saw your post.

How if the smell like dead animal? I suspect something died inside but I dunno how to open the whole AC.

only know how to open the filter
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The most I would do is open the cover and see with my own eyes without touching anything except the prefilter and trace to the source from whence the smell emanate.

If never done before, don't sweat it. Get an AC maintenance guy to service and inspect.

Update: notes from the field.

This post has been edited by halcyon27: Nov 29 2017, 07:55 AM
halcyon27
post Nov 28 2017, 07:49 PM

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QUOTE(outpace @ Nov 28 2017, 06:59 PM)
@ halcyon27
Try to follow what you guided, basically insulated separately, rubber pad on the bottom, cable conduit.
user posted image
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Nice. The hole where piping emerges, actually there are sold on line accessories like ports similar to those on office table for wiring but sized to accommodate AC pipes. The concern here is to avoid having the hole big enough for unwanted creatures like birds, cats or rats to access the roof space.

This post has been edited by halcyon27: Nov 28 2017, 07:50 PM
halcyon27
post Nov 28 2017, 10:38 PM

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QUOTE(leesn74 @ Nov 28 2017, 09:59 PM)
Folks,

I am searching for the following aircon type - Split unit 2 blowers/1 compressor or 3 blowers/1 compressor.

Seems like it not a standard item in here - most of the offered unit is 1 blower/1 compressor. My house is in Iskandar Johor

Appreciate sharing if available..Thanks
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Multi split unit aka multi split system 2/3/4. They have combo of all same HP or one of them higher e.g. 2x1HP + 1x2HP.

Daikin. Down across the straits, more common due to HDB AC ledge constraint. Also more choices like Toshiba, Fujitsu, LG, Panasonic, etc. Good insulation and piping important otherwise flooding can happen from condensation. One of the companies I keep hearing about is Coolserve. The rest can read the horror stories of what went wrong etc over there in their forums.

This post has been edited by halcyon27: Nov 28 2017, 10:56 PM
halcyon27
post Nov 30 2017, 06:43 AM

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QUOTE(fixgd @ Nov 30 2017, 05:49 AM)
anybody using lg dual inverter here? really saving electric compared to normal inverter?

if not another choice for me is pana aero series, do comment if u have any.

thanks
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Sold in ME market where extreme outdoor temperature normally kills the compressor. It's rated for 65°C outdoor.

Other than that, the features is quite impressive with comfort sleep and indoor unit cleaning (mould prevention).

This post has been edited by halcyon27: Nov 30 2017, 06:50 AM
halcyon27
post Nov 30 2017, 07:20 AM

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QUOTE(idoblu @ Nov 30 2017, 06:05 AM)
ozak saw this hitachi aircon that cleans itself at bic camera
very canggih. why here dun have?  sad.gif


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From the bottom pic, looks like a Premium X series. The video is demo-ing Freeze washing function. These AC has heating and cooling as with AC sold in four season clime.

This post has been edited by halcyon27: Nov 30 2017, 07:40 AM
halcyon27
post Nov 30 2017, 12:45 PM

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QUOTE(ozak @ Nov 30 2017, 12:13 PM)
Aircon selling in middle east have different spec than others country. Since mostly the climate there is hot, the power wattage is higher to run. Or the differential indoor and outdoor temperature is greater. Like outdoor ambient temperature is 40°C and the aircon indoor must generate 25°C.

We don't need the aircon work that hard here. Our climate not that crazy hot.
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I know. Just clarifying the spec with fixgd. This would be a parallel import as LG site here don't have it.
halcyon27
post Nov 30 2017, 01:48 PM

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QUOTE(fixgd @ Nov 30 2017, 11:02 AM)
» Click to show Spoiler - click again to hide... «


yeah the features is good for the price offered to me for it.

how about in terms of reliability and maintenance and spares parts?

the maintenance should be the same (please correct me if im wrong), but reliability and parts i dont have any contacts that have experience with LG airconds.
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Normally this would be found in ME or India. I'm unsure if the spare parts are common esp anything meant for extreme conditions.
halcyon27
post Dec 1 2017, 08:05 PM

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QUOTE(ozak @ Nov 30 2017, 09:22 PM)
Such too precise temperature doing no good to us.

You will have problem with outdoor or even sleep at other place. My some sort of experience.
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It's the other way round for me bro. My health improved with it. The smaller the fluctuation the better. It's not precise just minute in temp variation. The trick now is to keep at 28°C and 2 speed ceiling fan. The wind chill effect brings it down but the humidity is comfortable enough. We're only sleeping in shorts and shirt and without blanket. But if needed then it's a fleece blanket from Home Harmony.

In order to sleep with a non inverter, the temp swing plus minus must be beyond the discomfort level when temp rises after compressor cut off. The only choice for this is to set it below 23°C. My friends and older relatives does this and wonder why they cough and have dry skin and throat. Old mind set hard to change. The younger friends who are newly parents with kids I'm able to persuade for their baby's and young children sake and their experience bear out if they are willing to change to inverters. For adult and young children (except babies or toddlers), sleep wear is according to climate and weather: Shorts and singlet or tshirt. Blanket too: cotton fleece blanket or summer blanket or sarong. AC use minimal cool at highest humidity as comfortably can aided by ceiling fan to induce wind chill. Or dry mode. Drink lots of water.

Now in my circumstance, AC at this time of the year is not needed having moved back to condo and thank God for moving wind.

This post has been edited by halcyon27: Dec 1 2017, 11:01 PM
halcyon27
post Dec 3 2017, 09:58 AM

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QUOTE(moon1978 @ Dec 2 2017, 10:38 PM)
Dear Sifus,

Does the following quote reasonable for AirCond copper wiring & drain water pipe installation?

[attachmentid=9396100]
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This is condo or landed?
halcyon27
post Dec 3 2017, 09:16 PM

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QUOTE(moon1978 @ Dec 3 2017, 05:09 PM)
Landed. 2.5 storey.
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Wow, that's quite long for landed. Normally those length expected only for condo due to common AC ledge zone to the other rooms.
QUOTE(moon1978 @ Dec 3 2017, 06:00 PM)
Concealed. All inverter airconds.
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If the AC is positioned above the window, it would not need to run so long esp for those in bedrooms with AC ledge. Any problems need not resort to hacking extensively. Unless of course compressors is co-located beside each other for easy reach and maintenance like a semi D. If so, maximum vertical height of the compressor can be an issue as highlighted here.

If really that long a piping, I recommend you get Inaba Denko Paircoil piping at minimum 0.8mm thickness spec-ed according to your AC pipe size. They are sold per box of 20m length. Perhaps get it yourself and ask them to requote just for labour in laying the pipes.

You may want to recalculate for each room the AC HP sizing to see if they're up to spec based on the factors affecting that room. Then from there quantify how many 1HP, 1.5HP etc required.

This post has been edited by halcyon27: Dec 3 2017, 11:27 PM
halcyon27
post Dec 4 2017, 10:36 AM

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QUOTE(ozak @ Dec 4 2017, 06:27 AM)
It is not the health problem. Have no health problem even sleep with aircon for more than 20yrs.

It is adapting to different environment when you getting old.

Almost each day, I m in aircon about 20hr with average temp 24-26. You will have a hard time to adjust yourself to different temperature and take longer time. Will become too sensetive to temperature change.
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No such issue for me. I walk in and out from AC to without and hot cars and AC malls. The difference is knowing to consume water enough: (Body weight in kg x 44ml/kg) + 1000ml. The water makes the difference so the level of hydration in each person will determine whether he's able to adjust. Plain potable water filtered at home office or coconut juice and not any kind of water (tea, coffee, soft drinks, alcohol).

But the constant thing about getting old which I agree that may contribute to the sensitivity to temp change is that our body's sensitivity to thirst is reduced with age and markedly so over 50. That's a given. Compared to a baby or young children, the older we get, our sensitivity to thirst is such that we don't even know our body is dehydrated. Body temp regulation requires water also. So like exercise, replenishing the body by drinking water is something habitually developed. It doesn't come easily for some and it must be enforced intentionally by ourselves.

This post has been edited by halcyon27: Dec 4 2017, 10:59 AM
halcyon27
post Dec 4 2017, 02:51 PM

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QUOTE(rapple @ Dec 4 2017, 02:24 PM)
Bro, should I get someone to service my air-cond. It's newly installed in Oct 2016.

I clean the filter every once a month but how do you clean the dust on the panel behind the filter?
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Call the regular AC maintenance guy to service. It's already one year and overdue.
halcyon27
post Dec 5 2017, 06:49 PM

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QUOTE(fixgd @ Dec 5 2017, 06:32 PM)
my house is hall is connecting with the dining room and kitchen in a straight line. if i would like to minimize energy loss to fully utilized my inverter aircond when the dining room and kitchen is not in used, what is the best option to take, without installing glass panel or install any type of wall?

is using normal curtain sufficient or i need to use the plastic / pvc curtain like the one in supermarket?
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Top hung track sliding folding partition door like this and this. That's what some friends ID I've seen use. It's run along the beam that divides the two spaces in the open flow area which is essentially one large room. What they tell me is most times they don't use but when needed they'll just pull it close.

This post has been edited by halcyon27: Dec 5 2017, 06:55 PM
halcyon27
post Dec 5 2017, 08:09 PM

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QUOTE(voscar @ Dec 5 2017, 07:17 PM)
halcyon27 boss, do you have any good aircond mechanic that can repair power unit board? please recommend me if you know any, thanks.
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They normally don't do that. What your looking for is a guy who knows how to read the schematics of the board and find out what part to repair? Isn't there a guy that does that in Pasar road in the ceiling fan thread? Can head over there to check.

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