Hi all,

i need some help here. I just installed an aircon for my room, and i saw that the outdoor compressor unit have no screw to hold the compressor. Is this normal?





The compressor is kinda light and i can simply lift it with 1 hand. What i worry about its because i stay at 7th floor, the wind sometime get stronger, so there is a potential the wind will cause movement to the unit. Another thing is that after a long term of usage, the compressor may start to get vibrate and moving thus cause movement to the unit too. At the end, the outdoor unit may suicide itself from 7th floor. Does my worry sound extra or i should take precaution on it??

You better ask the installer to screw it, just to prevent it accidently move by someone...
Just insist "I want it to be screwed"...

it supposed to be screwed,only irresponsible installer will leave it unscrewed

Lazy man's job la... how much for bolts? Few cents? Better bolt it down or else u might kill someone should the unit 'flew' off.

at least 2 screw.

I asked the person how come dont have screw on it, he said he installed few hundred unit like this and nth happen. Then ask back me "Why other ppl nth happen but u wan to do it?" and keep said the floor that put the outdoor unit cannot put screw, need mounting. I tell him its about safety and even the mounting also mount at floor or wall, any different on that?!

then he said "want screw can, need to add rm 30 for the screw". then at the end he said "need add rm 30 wor, u got the money mah??!!"... i was like WTF, i am the unit owner!~ so i just hang up and gonna find someone else to help me done that.

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Added on September 16, 2011, 7:17 pmAnd another problem is the aircond piping. My room have pre-installed aircond piping where i dont know its original from the unit or installed by the ex-owner. I always hear water dripping inside the wall whenever the aircond is on, not really sure is it the sound between water and pipe or the sound between water and wall..

This post has been edited by UltraConductor_41: Sep 16 2011, 07:17 PM

Another bad contractor spotted!!!From the photo can see clearly if wind blow harder the outdoor unit may fall down even through that unit is weight more than 10kg.

This post has been edited by Becabal: Sep 16 2011, 07:57 PM

Well! You should said "Can...RM30. And I will be the first customer asking you to put a screw. Because RM30 buy your reputation is cheap" hahaha
ANyhow, if really problem I guess a life is more expensive than that, or been suie...

By the way, maybe good to disclose the company so that other could prevent it...or maybe someone know he boss?


This post has been edited by Jo_da48: Sep 16 2011, 08:18 PM

This is what i thinking. I can easily move it with 1 hand, while 1 hand grabbing my window frame (high floor, scary ).

should put the contractor's name or company's name here, just in case we here got ppl go find him install air-con oso.. it's ok la if it fall down and the compressor rosak, can buy new one. what if hit ppl head and die?? pay rm10k oso not enuf

Feel like answer "i can even buy your life with my money" ~ but dont think i wan to waste that money for his life~

Ya, if the thing fall, sure goes serious 1... dont want to take the risk~ His name card as follow:



He is the contractor, not the seller. The things he does:

1) drill my wall without my consent just to avoid the aircon indoor unit. Actually he only need to install the indoor unit 2cm lower then everything will be ok, no need to drill at all. When i found out, he already drill 30% of the wall edi, cant be stop.



2) After the piping, the wall is not fully seal off, still got some uneven surface with visible concrete.



This post has been edited by UltraConductor_41: Sep 16 2011, 08:50 PM

wadafak..that's reli a terrible job leh!! how much u paid him for that?

damn terrible. the installation fees already include in the aircon sale price, free 10 feet piping and wiring. I dont know how much the seller pay him. But the contractor ask for another Rm 20 when he get here. And i just measured the piping and wiring, its only 9.5 feet.

This post has been edited by UltraConductor_41: Sep 16 2011, 08:57 PM

i'll pay RM10 for this kind of work...

very bad installation from my point of view. Im from the air conditioning industry.

Even a person who are not in the industry can tell that its a freaking bad job...Pity u man TS

i see, but since the workmanship already this bad, i better ask someone to come and screw the compressor first. I worry if the piping is not fully tighten up, then it will not strong enough to hold the compressor. Is it mean that all the piping and the wiring should be in trunking? because current 1 he got wrap it with a black color insulator foam.

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Added on September 16, 2011, 9:23 pmBad luck for this. Cant do anything now except find someone to clean up the shit.

This post has been edited by UltraConductor_41: Sep 16 2011, 09:23 PM

For safety reason the compressor should be secured. No question on that.
However, since this is located at high levels, fastening the base of the compressor is also going to pose a high risk.
How is the worker going to reach the base of the compressor?
Later on, when there is a need to service the compressor, how is the worker going to reach the base of the compressor to unfasten the holding down bolts?

A good installer would have install a MS bracket that is attached to the wall. Since the fastening bolts are higher up, they can be access easily from the opened window. The base of the MS brakcet will prevent any slippage and movement of the compressor.

Generally, the installation workmanship is really bad

WTH!!!!Damn man that a really bad shit he does to your house.......... my house also just finish air cond installation few days ago....lucky not so mess......might be i supervising all their job.This kind of job maybe you should ask him to pay you back another rm 20 than you pay him.

This post has been edited by Becabal: Sep 16 2011, 09:46 PM

The cantilever is just outside of my room window and it is about 3m x 0.7m. When he install the compressor and the piping, he already climb out and reach that place from my window easily. Im sure when doing the servicing, worker also need to climb out, disconnect the piping and bring in the compressor also. with screw or without screw shouldn't different much, hope im correct.

The MS bracket that you mentioned will surely give a more easier servicing and security purpose for this~

tell the air con seller about this DAMN installer, so that others won't be another victim......

TS, i experienced with slow/ bad after sales service from Mitsubishi, their technician came to check & confirmed compressor faulty only, not repair on the spot. then waited for another 3 weeks and follow up with numberless of call only they came to repair/ change the compressor

my office use Mitsubishi my house use Mitsubishi and my parent house also use Mitsubishi.Which is from 1hp to 3hp so far so good for me.....might be you choose the one without heavy industries wording??As i know those with heavy industries wording is slightly expensive but worth it.

i didn't know Mitsubishi Mr. Slim A/c got different grade one ler..

I'm been advised not to get Mitsubishi Heavy Industries, as it major are heavy duty aircorn and more noisy than Mitsubishi Electric

Bout noisy i think you are right jo_da little bit noise but at least its wont spoil easily.
skng try check with the seller as i know i need to ask them for heavy industries else they wont recommend but as far as i know mr.slim dont have heavy industries wording it might be some other model

sad to say, many aircond people do installation this way. VERY scary. I insisted on them using the metal frame as a base, at least it there is an edge. but if it does fall......

Yah...I didnt notice it was without the frame at all.
Hmmm...I should insist my a/c contractor when they install for me on near future.

Some seller have their own in-house installers while some contract out the installation to outsiders. Not sure if talking to the seller would help if the installation is done by others. Anyway, no harm trying.

TS should talk to the seller to get them to rectify the problems created by the installers.

If house owners do not insist on having the MS bracket to support the compressor, some installer will avoid using that as it cost them RM20-30 each. These people will try to cut cost...

Even if u dont want to drill the holes, at least use the metal bracket and cement down the bracket. In a condo, it is very likely to encounter strong winds and all.. and you certainly don't want to go to jail for negligence over a fallen compressor unit.. money can earn, life cannot replace even with 1 million insurance..

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Added on September 21, 2011, 1:59 amNo need to fasten every single hole, two or three is enough already provided that they are stainless steel material. Oh ya, anyone ever installed a bracket made from s.steel? Always see only iron (that rusts) being used

This post has been edited by ceo684: Sep 21 2011, 01:59 AM

How much had you bought this Mit Aircon? 1 or 1.5 hp?

Actually I would prefer to ask how much has TS paid for the installation job.

i only pay him extra Rm 20 for the installation as he requested that. I bought Rm 1000 for the aircon + free 10 feet installation~

which shop you buy the air con from?

show the photos to the seller ....

Tell us his name,contact and company, we wont dealing business with him anymore.

TS already given the contact la... look at post #11