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 Aircon Discussion V3, Home Appliance

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keyser soze
post May 6 2016, 08:53 PM

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QUOTE(aeiou228 @ May 6 2016, 08:34 PM)
That's his famous trademark "ninja escape". When cornered, he simply post a link or ask ppl to read more newspaper then poooof .....! He disappeared.
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Haha, ninja escape, I like that one.
keyser soze
post May 6 2016, 08:56 PM

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QUOTE(supersound @ May 6 2016, 08:49 PM)
Basically I don't see any reason to reply to copy and paste stuffs that means nothing. What I need to know(where others also) is what is the test condition's environment.
Rather than joining the retards on personal attacks, why not you do your self a favor by digging how the test were conducted?
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Which units use more power, go to read the technical manual lah. If can't find let me know. I upload and send you the link.

Now start to answer my questions.
keyser soze
post May 7 2016, 08:36 AM

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QUOTE(JnkTfk @ May 6 2016, 11:01 PM)
The meter wiring is very simple. only 1 wire from terminal 1 to the meter that's all.
i don't think this stuffs is pre approved as the meter is not sirim approved i think haha
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He install the meter near indoor or outdoor?
The terminal 1 you means is from the outdoor or indoor?One wire from terminal 1 going into the meter, any going out from meter to the indoor?

Definitely no way it is from the DB, like what our mighty supersound was asking. (He still can't get the idea of multisplit and don't know how to read the wiring diagram.)
I also don't know what he was asking about the fuse or 2 AC.

BTW, our mighty supersound, common man, I type "ninja escape" you also report me for what?

This post has been edited by keyser soze: May 7 2016, 08:55 AM
keyser soze
post May 7 2016, 01:57 PM

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QUOTE(JnkTfk @ May 7 2016, 12:25 PM)
the meter is installed near indoor. terminal 1 from the indoor unit.
all i know is that only. i need to go back there to do a detailed check
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Case 1
Attached Image

Case 2
Attached Image

As above, which case?

Do you know how to use multimeter to measure Amp? if yes, then you can actually check the standby current for that blower and compare with other blower. If standby current have no different, the the meter is either not setting correctly or defective.
If not very sure, better don't do it, worry you might end up frying something, including yourself.

This post has been edited by keyser soze: May 7 2016, 01:58 PM
keyser soze
post May 8 2016, 01:47 AM

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QUOTE(KageBunshi @ May 7 2016, 08:45 PM)
Guy. Is the any problem if i install 1hp aircon on a copper piping for 2hp? Will it function as normal?
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No problem.
keyser soze
post May 8 2016, 01:51 AM

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QUOTE(TXSim @ May 8 2016, 12:57 AM)
I don't dare to try.

I hate Samsung.

My last old Samsung Washing Machine and Refrigerator gone.

Both spoil after 20 years usage.

Samsung Washing Machine PCB board problem. Controller board unable to get control

Samsung Refrigerator leaking water and freezer stopped working. Ice melt after a few days.
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To be honest 20 years is very good already.
keyser soze
post May 9 2016, 08:45 AM

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QUOTE(Freakystein @ May 8 2016, 11:42 PM)
really? I tot it is not recommended to do so?

Some even told me not to use 1.5 hp on 1 hp piping...
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My understanding is small AC use big pipes is ok. For sure cooling capacity might be affected. Big AC use small pipes is not.
keyser soze
post May 9 2016, 09:38 AM

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QUOTE(JnkTfk @ May 8 2016, 06:02 PM)
after i visited the house today, i saw that they have changed the meter to a more advanced one. the old meter is case 2. but now, the new meter uses card type like Tune Hotel, where the cable to terminal 1 from the outdoor unit goes to the meter and there will be another cable that goes to terminal 1. another cable is for terminal 3 which i believe is the signal cable goes to the meter first and another cable from the meter goes to the indoor unit.

Outdoor terminal 1 --> meter --> indoor terminal 1
Outdoor terminal 3 --> meter --> indoor terminal 3

so when the tenant didn't tap their card, the meter shuts of both terminal 1 and 3.
the credit will be loaded into the card.
so when the credit empty, then the meter will shut off terminal 3.

i didn't bring a multimeter with me just now. but will go another time to measure it.
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So seems like it no longer a meter, it is key card system. If that's the case, it should solve your tenant problem already, since they count by tapping your card, not detecting how long the indoor run. My opinion is touching terminal 3, the signal cable is always a bad idea. Just cut off signal like that might cause error code at outdoor.

BTW if don't mind, next round can snap some photo on the meter for me, I just interested to see how they do it.


This post has been edited by keyser soze: May 9 2016, 09:48 AM
keyser soze
post May 9 2016, 02:42 PM

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QUOTE(JnkTfk @ May 9 2016, 10:38 AM)
it still works like a meter where there's a credit counter. when u tap a card with credit, the credit will transfer to your meter, then the card will be empty alrd. then the meter will deduct the credit per hours used. the problem of my tenant still persists where the meter is still running even the AC is off. there's a little star symbol appear in the meter's screen when it is running. it is still counting by hours and still the same rate. what will be the worst case of the error code? actually i am frustrated as well with the management body. appointed the wrong team alrd.

sure i will take a pic but can't really take the internal as they have tamper proof system the alarm will sound. i don't have a master card for it.
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Try to check the priority switch at outdoor first.
Can't understand the logic behind, why they need to tap the signal cable. Unless the meter is so smart that it can mimic the off signal to outdoor once it disconnect the terminal 1.
I have never disconnect the signal cable before, can't tell what error code will occur and what is the consequences. Worse case is you void warranty of your AC unit.
Don't know Tune hotel using this kind of system. If same as Tune Hotel, then most probably the AC manufacturer approved it.
keyser soze
post May 10 2016, 07:51 AM

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QUOTE(cooldownguy86 @ May 10 2016, 12:48 AM)
My room size is about 12x16x11ft. Based on btu calculator the recommended hp is 1.2HP. However mine is an old house with poor insulation - with large ventilation holes above the window. From an energy efficiency point of view,  Should i over compensate -  I.e go for 1.5hp inverter?  Or under compensate -  I.e opt for 1hp inverter, since the insulation is poor anyway? I expect to use the aircon 4-6hrs a day at 24 degrees.
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For long run I suggest you seal off those holes.

This post has been edited by keyser soze: May 10 2016, 07:56 AM
keyser soze
post May 10 2016, 07:55 AM

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QUOTE(Leon be here now @ May 10 2016, 03:07 AM)
Fujiaire vs LG air con?
currently torn between the 2, please help, welcome to suggest other alternative, Hisence etc...

1.5, 2.0 and 2.5hp
I heard LG air con are made in Korea and their compressors are bigger, compared to  Fujiaire?
Is fujiaire made in China?

Is Fujiaire actually Fuji Japan?
or is it an imitation like Panasonic (Japan) vs Pansonic (Malaysia)?
Can only find Fujiaire in Malaysia
Fujiair (not Fujiaire)= Fuji Japan? any in Malaysia market?
Local prices suggest that LG is cheaper then Fujiaire?

Whats the market price of instillation for a typical 1.5, 2.0 and 2.5hp?
are copper piping different size for the above?
how much per feet is instillation on a typical 1.5, 2.0 and 2.5hp? unit?
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My understanding Fujiaire actually made in Indonesia own by Malaysian.
If I were you I'll go for LG. My colleague next room using LG for around 3 years already. So far no complaints.
But the parts for LG should be more expensive or difficult to get.

This post has been edited by keyser soze: May 10 2016, 08:08 AM
keyser soze
post May 11 2016, 04:17 AM

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QUOTE(kelvyn @ May 10 2016, 08:28 PM)
Has anyone installed the new Panasonic Sky series inverter airconditioner?
Any review?

Also, if my current airconditioner is non- inverter, will there be any problem if I were to install an inverter without replacing the existing copper piping? I was told that the existing copper piping has to be cleaned first.
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I did installed 1&1.5hp R410a ac with old R22 piping. Just need to flush the pipes with nitrogen and change the flare nut connector part to thicker piping.
keyser soze
post May 12 2016, 06:19 AM

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QUOTE(stinky @ May 11 2016, 03:19 PM)
Mine is non-inverter R22, 0.6mm Piping. Read somewhere that need 0.8mm to use R410....any idea?
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AC manufacturer usually recommend thicker piping which is not necessary from my opinion. 0.6mm is good enough. If 1hp the pipes can withstand around 500psi is more than enough.
keyser soze
post May 12 2016, 06:21 AM

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QUOTE(ck2chan @ May 12 2016, 12:11 AM)
Can share contact and how much they charge? Where is this flare nut connector?
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The pipe joints at indoor and outdoor unit. All installer can do that.
keyser soze
post May 26 2016, 11:29 AM

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QUOTE(makky @ May 25 2016, 11:10 PM)
Anyone here use Gree aircond before? My place got promotion rm1798 for 2hp inverter unit...should i go for it..
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Gree is quite reputable China brand, check with them how much is the spare parts especially inverter PCB. The price is very attractive (2hp inverter for other brand will cost RM3k plus.) , reliability I can't comment.

This post has been edited by keyser soze: May 26 2016, 11:30 AM
keyser soze
post May 31 2016, 03:07 AM

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QUOTE(Maxieos @ May 31 2016, 01:04 AM)
oh , really , I though you confirm it have.Out of your best knowledge on aircon , do you know any aircon which have less than 70cm width ?
like a compact for small apartment room ?
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Try to search Mitsubishi SRK05CM, SRK09CM, SRK05CMP and SRK09CMP, by MHI, but those are R22.

http://www.sec.com.my/mitsubishi-10hp-9000...ircond-standard

This post has been edited by keyser soze: May 31 2016, 03:20 AM
keyser soze
post Jun 1 2016, 05:28 PM

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QUOTE(lhgoon @ Jun 1 2016, 01:01 PM)
Running a 1hp ac in a living room and set the temp to 24C. The compressor will run from the time u turn it on until you turn it off because the AC is undersize.

Running a 2hp ac in a living room and set the temp to 24C. The compressor will run from the time u turn it on and the compressor will turn off once the temp of 24C is reached and turn on again once the temp rises. 2 hp AC will reach the set temp of 24C easier.

So it is totally depending on the size of the space you want to cool. This is based on a daily use of 8 hours.

If you plan to use it for 1 or 2 hours, then using a 1hp ac in living room will save you electricity bill but  you wont get much cooling effect.

Ask your AC contractor for better advise ya.

Thank you
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This quite unlikely 2hp consume less electricity compare 1hp. Unless the heat load is very small (eg, slightly above 1hp capacity)
Example for 2hp consume less than 1hp,
if you use the AC 8hr per day. You definitely have to use it at night (outside temperature is 26 or 27C) so the conductive and infiltration heat load is smaller.
The 2hp is able to cool the room to 23C and it takes a very long time for the room to reach 25C so the 2hp can shut down for very long time and reduce the start up frequency. My estimation is the shut down time for the 2hp have to be around 70% of the time, very unlikely in the real world. If 1.5hp vs 1hp then is easier to achieve.
keyser soze
post Jun 4 2016, 11:21 PM

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QUOTE(XxlicolexX @ Jun 4 2016, 06:33 PM)
Anyone know what is the latest price for daikin urusara7 ?
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I think around 5k for 1hp.
keyser soze
post Jun 5 2016, 06:26 PM

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QUOTE(blacktubi @ Jun 5 2016, 03:30 PM)
I have not. I don't thin my unit is still covered under warranty.
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No warranty also can call. Just the repair is chargeable.
keyser soze
post Jun 22 2016, 12:32 AM

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QUOTE(biatche @ Jun 21 2016, 06:43 PM)
also, is getting r32 of any benefit? r32 models cost more than their r410 counterparts.
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R32 efficiency is generally higher.

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