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Need some feedback on Mitsubishi StarMEX Air-con booest Aug 18th, 08, 05:02 PM #1
I bought a system 3 some 15months ago.
My family is a heavy user.. so far at exactly 12months 1 unit faulty,
they had to replace some parts on the unit.. compressor was fine.

within warranty period so no charge.

Just 2 days ago.. another unit KO-ed.
Blowing out only warm air...

This time I esstimate the repair will cost like S$160~200 inclusive of labor and parts.. (Cross fingers that it will not be more)..

Damn ! is StarMEX THAT badly build?

I used to have a Daikin.. super work horse! after which switched to a Sanyo.. also very good. but since it was not an Inverter series the bills were very high.. so after like 5 years I had it change to the Mitsubishi StarMEX..

Bills drop quite a bit.. happy man.. until now.. after this repair if the OTHER unit KO-ed also.. it will basically tell me that the 3 units life is about 12~18months life span only... which is pretty abd considering all my older air-con lasted more then 5 years without any repairs.. just regular maintenance...

anyone got this issue?



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Philip Aug 18th, 08, 05:06 PM #2
Aircon better stick with Daikin and Sanyo.

My 8-year old Sanyo still going very strong. Only 1 fan coil leaked so far due 2 lack of maintenance. I don't believe in regular servicing one.. hahaha…

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eleewhm Aug 18th, 08, 05:26 PM #3
I BUY SAMSUNG!!!... good aircon.. but non inverter... i not heavy user





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DragonFire Aug 18th, 08, 05:37 PM #4
Hmmm I had a compressor blowout after much 24x7 use. Main board had to be replaced. Lucky under warranty. Other than that no issues so far.

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dxter Aug 18th, 08, 05:37 PM #5
If blowing out hot air, means a need to pump in refrigerant. This tends to be used up quite frequently if u r a heavy user.
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floppy Aug 18th, 08, 06:08 PM #6
my starmex 4 years liao, usage about 80 days a year apart from one fan coil leak everything else still ok.
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fiery_dragon89 Aug 18th, 08, 09:15 PM #7
blow out warm air probably is the refrigerant pipe crack. gas leak.

I trust fujitsu anyway. haha
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tak3shi Aug 18th, 08, 09:19 PM #8
my Sanyo 10+ years......Its truely the best !
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-Guyver- Aug 18th, 08, 09:23 PM #9
Quote:
Originally Posted by dxter View Post
If blowing out hot air, means a need to pump in refrigerant. This tends to be used up quite frequently if u r a heavy user.
bro . have to pt out ur mistakes there.. as a newbie a/c tech myself.. i knw refrigerants dun get lost in the systems copper pipe line. Heavy user or not doesnt affect . ONLY when u newly installation tat time . u didnt get the correct BTU for ur room meaning space in ur room against the cooling capacity . if room is small , ur cooling capacity is big . Its oversized. ur compressor will cut in and out very often. and of course u get gd cooling . BUt . if ur room is big and ur cooling capacity is small . den die lor. u will be overworking ur compressor to meet ur indoor temp set point .

only leaks in piping , poor maintenance of outdoor condenser unit coils , ur condenser fan motor failing thus unable to dissipate the heat away or compressor jammed , running high current thus tripping the compressor overload. if installation is well done , only faults lies to the manufacturing .

hmmm ..
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-Guyver- Aug 18th, 08, 09:29 PM #10
btw lah .. for current models and brands in the market .. very hard to find gd quality a/c
Most likely is SANYO , Mitsubishi industrial model is pretty gd . china and malaysia made are very common these days .

for me .. i been using toshiba inverter meaning controlling compressor load and fan spd at condenser fan using DC current . . made in japan . been used for 5 yrs but now since past few mths . condenser fan getting noisy .. if do replacement is $200 plus. so i have decide to change or not .

most impt for ur a/c to last . do chemical wash every 2 mths at least if u check ur indoor coil every wk for dirtyness .. if still ok .. maybe 3 mths one time .

as for outdoor unit . do washing of coil at least 6 mths once . also u have judge ur area if dusty or not .

noe why u need to do all these ? maintaining the coils is most impt cuz if its dirty , ur compressor and condenser fan runs longer and harder thus increasing ur electricity bills. u wont noe the diff if by days .. but when u start to reduce the setttings on the rm temp which u have been comfortable at 28 .. and its really cold already den nw u had to reduce to 26 .. cuz u dun feel tat cold at 28 anymore.

tat shws the warnings of ur a/c systems not performing .

DAMN... i typed alot .. -.-"
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Philip Aug 18th, 08, 09:31 PM #11
Quote:
Originally Posted by Guyvr111 View Post
bro . have to pt out ur mistakes there.. as a newbie a/c tech myself.. i knw refrigerants dun get lost in the systems copper pipe line. Heavy user or not doesnt affect . ONLY when u newly installation tat time . u didnt get the correct BTU for ur room meaning space in ur room against the cooling capacity . if room is small , ur cooling capacity is big . Its oversized. ur compressor will cut in and out very often. and of course u get gd cooling . BUt . if ur room is big and ur cooling capacity is small . den die lor. u will be overworking ur compressor to meet ur indoor temp set point .

only leaks in piping , poor maintenance of outdoor condenser unit coils , ur condenser fan motor failing thus unable to dissipate the heat away or compressor jammed , running high current thus tripping the compressor overload. if installation is well done , only faults lies to the manufacturing .

hmmm ..
Pro siah... If ask u service my compressor got discount bor? kekeke..

Phil

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Clearing watercooling and misc parts!
Quote:
Originally Posted by Gollum View Post
is ns really that hard???

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-Guyver- Aug 18th, 08, 09:33 PM #12
bad installation is main part of causing ur unit to fail prematurely .

i am working currently under a warranty team for a particular brand of a/c . i work direct for agent . i saw alot of cases are installation faults. yet some are factory faults. cuz my brand of a/c is cheap yet quanlity not gd de.. -.-" china made .. mostly .
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-Guyver- Aug 18th, 08, 09:36 PM #13
Quote:
Originally Posted by Philip View Post
Pro siah... If ask u service my compressor got discount bor? kekeke..

Phil
compressor cannot be serviced one . only ur outdoor unit coils and indoor unit coils can be serviced. u dun see ppl repairing compressor. most likely will change de.

maintaining the coils are very very impt . gd heat exchange saves electricity .

i dun do servicing de lor . i do troubleshooting and repair.. i was not in a/c warranty group one.. just transferred here.. i was frm HVAC chiller group . the unit is much bigger . as tall as 2 m and above .. its mainly to cool the water and water will travel to the Airhandling unit to give cool air to the rooms and offices. LOL ..
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-Guyver- Aug 18th, 08, 09:38 PM #14
oh .. if brands frm china , most likely u get a poor a/c systems where it will die pretty fast . haha.. i knw one .. cuz my brand is like tat . LOL .. either indoor unit very fast motor noisy or the compressor dies within 5 yrs . or even 2 yrs .LOL
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MeDiC Aug 18th, 08, 10:05 PM #15
Quote:
Originally Posted by Guyvr111 View Post
compressor cannot be serviced one . only ur outdoor unit coils and indoor unit coils can be serviced. u dun see ppl repairing compressor. most likely will change de.

maintaining the coils are very very impt . gd heat exchange saves electricity .

i dun do servicing de lor . i do troubleshooting and repair.. i was not in a/c warranty group one.. just transferred here.. i was frm HVAC chiller group . the unit is much bigger . as tall as 2 m and above .. its mainly to cool the water and water will travel to the Airhandling unit to give cool air to the rooms and offices. LOL ..
fan coil got outdoor de??

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