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Household [Home Appliances] Air-con

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ozak
post Dec 15 2011, 11:07 PM

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Macam macam story ada. rclxub.gif how to buy?
ozak
post Dec 16 2011, 08:43 AM

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QUOTE(mell_amir @ Dec 16 2011, 03:12 AM)
my house using daikin inverter 1.0hp since february 2010
i've service once last june..
then early this month the aircond malfunction..
i've call daikin dealer and they checked my outdoor unit was spoilt..
how many years warranty for the daikin outdoor unit?
and 1 more thing they said it spoilt coz 'kena kilat'
i felt weird because before it spoilt, no raining or thunder etc..
how come it spoilt?
and they wanna charge me araound rm900++ including labour
is it reasonable?
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Probably avoid the claim kua.

Normally spare parts is abit expensive than the whole unit. In this case better get a new 1.
ozak
post Dec 16 2011, 10:21 AM

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QUOTE(weikee @ Dec 16 2011, 09:56 AM)
Did the technician show you what was fried? usually when fried by lightning you see some burn marked.
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If they want to avoid, many reason will comeout if you don't no about technical. Unless get a another technician to verify.
ozak
post Dec 18 2011, 11:37 AM

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QUOTE(slackinux @ Dec 18 2011, 11:04 AM)
Free installation if you buy Midea air con from Perfect Living Exhibition October at KLCC convention centre.
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Does it come with a string?

Most of this free installation Have a limitation. No conceal, limit length piping etc. and some will trick you more for cash.
ozak
post Jan 5 2012, 04:57 PM

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QUOTE(zzzxtreme @ Jan 5 2012, 04:39 PM)
hey guys, portable aircond, Ok or not ? the ones without hot air hose. I takut not cold, or use too much power. the room is 16x17 feet.
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There is already a topic for this portable aircond. Search around it.
ozak
post Feb 7 2012, 03:02 PM

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QUOTE(kimsim @ Feb 6 2012, 11:31 PM)
inverter aircond is not you said only saving for operate at 4-5 hours.

there is when you start and faster keep cold and reduce the power consumption from 800w - 200w per hours.

cause the non-inverter may need taking 1 to 2 hours for keep cold down the room temperature.
once is reached and stop the main compressor and most of the time just listen the compressor on & off until next morning or set to lower at 22c to be force the compressor slowly to stop running.

the inverter is when the temperature is reached and to be reduce the minimum speed to keep it same temp. and also reduce the outside fan speed.

so your bill on 1 - 3 hours still payment the minimum of power consumption of 200w per / hr.

cause my house all using the mitsubishi electric on living hall & 3 bedroom for operates at 8-12 per day the bill is less than Rm200< per months.

living hall for 2.5hp & 3 bedroom for 1hp x 3.

why not pay extra fews bucks for installed and keep your monthly bill lower.

NOW GO FOR GREEN AND NO MORE FOR NON-INVERTER FOR YOUR NEW HOUSE.
SAID GOOD BYE OF NON-INVERTER.

everyday & night just on & off for what....  rclxub.gif
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Mostly people like to see the purchasing price cheaper. Imagine buying few non inverter aircon and save thousand already. They never care about the usage cost cause they deal it later.

Mostly experience and 2nd user will try inverter aircon.
ozak
post Feb 7 2012, 04:45 PM

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QUOTE(kimsim @ Feb 7 2012, 04:26 PM)
Cause the non-inverter for salesman can earn better commission.

Once you installed and the rest you will facing the trouble on monthly bill for 1hp at Rm100++ or higher usage.

The inverter only take your bill around Rm30++ for fews monthly later your installed fee and extra cost for inverter to be reback already.
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Mostly people even don't no 1hp aircon for what room size. So you don't expect people to know how to calculate the saving cost. Once they use it and see the bill, they will understand. That is experience user. smile.gif
ozak
post Feb 10 2012, 11:21 AM

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QUOTE(goliath @ Feb 9 2012, 11:19 PM)
I'm planning to change my old air-con soon. Between Panasonic and LG, which should I go for? And what's the street price for inverter air-con now? Thanks for your help. biggrin.gif
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http://forum.lowyat.net/topic/2196858
ozak
post Feb 14 2012, 11:01 PM

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QUOTE(Kiding @ Feb 14 2012, 10:17 PM)
When one set the temp to 22c, does it mean the aircon will make the whole room at 22c? perhaps yes, perhaps no, it depends on your aircond power, room size, number of windows, number of persons, location, the room temperature may not reach 22c even the compressor running all the time.

Human sense temperature differently, there is a term call windchill effect, if you set the temperature at 25c but you are directly facing the aircond blower, you will feel the temperature below 25c probably like 22c, but if your position is quite away from the aircond fan, you will feel it is much hotter.
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It depend on where the aircon blow. Those area not at the aircon area will be 1-2c higher. The air blow out is 22c as set but not the room temperature.

I have a thermometer in my room for many many yrs. always monitor the temperature. After sometime, you will understand the temperature up/ down how it work.
ozak
post Feb 19 2012, 08:29 PM

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QUOTE(phoenix69 @ Feb 19 2012, 05:05 PM)
If you ask specifically, Daikin will prefer the power supply to be near the condenser (outside unit) rather than the internal unit for their Air cond installation.
Of course usual for other brands the power supply are installed near the internal unit.
Usually air-cond installers will know what to do to work around this issue.
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Why is that the power supply for the aircon? Never see before.
ozak
post Feb 20 2012, 11:54 AM

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QUOTE(Kiding @ Feb 19 2012, 09:08 PM)
Hitachi inverter aircon also does the same thing if the temperature is set to higher such as 26c, when the aircon sense the ambient temperature is lower than your room and the aircon doesn't need to cool the room anymore, hence it shutdown to further reduce the energy use, when it start back again, it still under partial load not like traditional aircon which does full load running.
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It doesn't matter is stop or run at low rpm. As long as it save bill, I m happy.

This aircon manufacturing will use many way to program the controller to optimise what best way to save. So different brand have different way to program run the aircon.


Added on February 20, 2012, 11:59 am
QUOTE(phoenix69 @ Feb 20 2012, 09:10 AM)
Dunno, this is what I was told by my concealed piping contractor, my electrician, my wetwork contractor (ex-aircond installer) and Daikin telephone service technician helpdesk.  blush.gif
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Cause so far never see any power supply beside the indoor or outdoor unit. What I see is the wire from the house connect to the indoor electrical terminal. Than another wire go to outdoor unit from the indoor unit.

Normally a power supply is mean a voltage regulator converter from AC to DC or high to low. Or in consumer way we call driver.

This post has been edited by ozak: Feb 20 2012, 11:59 AM
ozak
post Mar 4 2012, 02:03 PM

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QUOTE(spdboyz @ Mar 4 2012, 12:46 PM)
I'm curious about my inverter aircon wiring. Can help me to take a look? Is it done properly? It seems like my power cable is being connected to the indoor unit and the installation manual stated it should be connected to the outdoor unit. Correct me if I'm wrong.
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Yes. it is wrong wiring. Need to correct the wiring. Most probably the protection unit is at the outdoor unit. So your aircon now don't have protection if anything happen.

This post has been edited by ozak: Mar 4 2012, 02:04 PM
ozak
post Mar 4 2012, 03:58 PM

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QUOTE(spdboyz @ Mar 4 2012, 03:21 PM)
Arh!!! I really fed up with the aircon installer. He do job without heart 1... uneducated as well! I think the wrong wiring has something to do with my compressor fan as well coz it operates full load no matter i switch to the lowest temperature or higher temperature.
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Normal lah. Most of this aircon man is by experience. They don't even know how to read manual.

Your manual diagram said have 4 wire to your indoor unit from your outdoor unit. 1-Live, 2-neutral, 4-earth and probably 3-signal.

But your wrong connection is parallel wiring. And missing 1 wire to outdoor unit. Either earth or signal wire which is on no.3. The total whole connection is wrong.
ozak
post Mar 5 2012, 10:47 AM

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QUOTE(donpapachino @ Mar 5 2012, 10:44 AM)
just bought 2 mitsubishi 1hp @ rm1020 each including installation from a shop in bandar puteri near HLK there. 1.5hp quoted @ rm1299.

when read got people bought 1.5hp @ rm850, feel shortchanged. sad.gif
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That 1 delivery wrong item lah.
ozak
post Mar 5 2012, 11:17 AM

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QUOTE(skng03 @ Mar 5 2012, 11:08 AM)
not delivered lar, its CASH N CARRY, i check the invoice is 1.5hp with correct/ tally serial no whistling.gif  whistling.gif
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Tell me where. I go and CASH N CARRY. tongue.gif
ozak
post Mar 7 2012, 04:20 PM

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QUOTE(Eng_Tat @ Mar 7 2012, 04:03 PM)
wta noob question, when doing conceal piping, must the drain pipe be insulated as well? thanks alot
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Better insulate together. the drain water is cold.
ozak
post Mar 24 2012, 08:04 PM

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QUOTE(vetkin_gray @ Mar 24 2012, 07:10 PM)
Is it normal to charge extra if the copper pipe is long? Since the distance between the compressor and ac is quite far like around 7 ft. Nt on the same wall. Or isit included already in the installation charge.
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Over 4ft you have to pay. Not sure still apply or not.
ozak
post Mar 24 2012, 11:42 PM

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QUOTE(weikee @ Mar 24 2012, 11:17 PM)
I thought is 10 ft? and all expose. Conceal extra lots of extra charges.
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10ft very long Loh. The std package is 4ft. Just enough for the outer unit opposite your wall. No conceal. That is why u see a lot of outer unit just outside the wall.
ozak
post Mar 25 2012, 09:13 AM

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QUOTE(weikee @ Mar 25 2012, 09:00 AM)
Not 4tf lah, my previous house more than 4 ft, did not charge. Nearly 10ft.
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They charge me after 4ft. The pipe run more than 10ft. The std package I brought come with free nstallation of 4ft. I have heard few said the same. So assume it is a std.
ozak
post Mar 25 2012, 11:01 AM

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QUOTE(ahter @ Mar 25 2012, 09:44 AM)
10ft for normal aircond...  but for inverter, I noticed some offer std installation up until 5 ft only.
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I have notice many house owner install the outer unit outside front house. It look ugly and spoil the house nice look design. So I ask them. They told me save cost as extra piping need to charge.

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