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Thread: Bought Split AC from MBBS

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    Default Bought Split AC from MBBS

    Hi fellows.

    just wanted to share my experience with you, i bought a samsung split AC from MBBS (another pakwheeler) and he confirmed that it was a brand new box pack unit.

    However upon installation it was revealed that it was a used AC.

    I have asked for an explanation from MBBS (Talha Dar) and havent got any and i have asked for a refund too.

    This is just to let you all know for your information.

    Regards,

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    Quote Originally Posted by babarhyd View Post
    After your comment, I went on to read more about installation of split ac's. Seems like purging air from pipes is old school method and was being used during 60s and 70s. After that vacuum pump is being used. Now SALUTE to KENWOOD and ORIENT manuals mentioning the decades old purging method for air and humidity. In fact the use of vacuum pump in modern split ac's is extremely easy.

    Will soon be buying vacuum pump now for installation of split ac's when needed.

    Thank You
    Does this mean that we need to learn and start installing ACs ourselves. Seems difficult to me but would be surely confirming that the unit is at it optimum performance level atleast.

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    Quote Originally Posted by Xulfiqar View Post
    the mechanic installing the lineset and condensing and evaporating units needs to pull a vacuum from a vacuum pump or at least an old fridge compressor to make sure there is absolutely nothing to compromise the refrigerant.

    Once the vacuum is applied - the gas block valves can be opened and the system checked for run pressure on both liquid and vapour side. If your AC has a TXV on the inner air handler the superheat is already managed, you need to set the subcooling.

    subcooling means the difference of the actual liquid line temperature and the saturation temperature according to the refrigerant being used. e.g. liquid line pressure after condenser at 278 psi means that the saturation temperature is 51C on the liquid line, We now measure the actual temperature of the liquid line with a thermocouple. We should be seeing about 47 C - that shows that the condenser removed 6C heat from the refrigerant.

    AC installation does not simply mean - laga ke thok do - gess daalo - paisay pakro aur faraar hojao.




    Please bear in mind - if the refrigerant has been exposed to an install like that in the past and then it was pumped down again to enable removal of the unit - the refrigerant is adulterated. You can somewhat verify this from measuring the run pressure vs temperature. If that is the case, you need to evacuate the charge and fill fresh refrigerant in there after vacuuming it out.

    I did fix such issues in Karachi in my aunt's house - its been a long time now but that AC still performs like a champ.
    Lets Teach People How To Charge A/C SPLIT Unit......And Hijack The Thread

    Joke A Part.....I Think Seller And Buyer Both Should Calm And Agree On Settlement...Else There's A Thing Called GRUDGE Will Be Left In Your Hearts Which Will Disturb Both Of You...

    So Settle It Down And EJOY The Thandi Hawaaa
    TOYOTA Sprinter 86- AE80 DOHC 20v'D TOYOTA Corolla 98- AE101 4AFE 16v

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    Quote Originally Posted by SER_GTR View Post
    Lets Teach People How To Charge A/C SPLIT Unit......And Hijack The Thread

    Joke A Part.....I Think Seller And Buyer Both Should Calm And Agree On Settlement...Else There's A Thing Called GRUDGE Will Be Left In Your Hearts Which Will Disturb Both Of You...

    So Settle It Down And EJOY The Thandi Hawaaa
    This thing.......
    haters gonna hate, potatoes gonna potate

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    For The Very Same Reason Of " HAWAAA Milli GAS Charge"

    I Bought Myself Equipment For Evactuation/Charging GAS.....Car/SPLIT

    Now I Don't Wanna See Faces Nor Wanna Bear Their DRAMA TOPI Nor I Get Khuaari AT Car A/C Shops Anymore
    TOYOTA Sprinter 86- AE80 DOHC 20v'D TOYOTA Corolla 98- AE101 4AFE 16v

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    Quote Originally Posted by SER_GTR View Post
    For The Very Same Reason Of " HAWAAA Milli GAS Charge"

    I Bought Myself Equipment For Evactuation/Charging GAS.....Car/SPLIT

    Now I Don't Wanna See Faces Nor Wanna Bear Their DRAMA TOPI Nor I Get Khuaari AT Car A/C Shops Anymore
    How much does it cost you ?
    Boy Badnam hua LIANA tery liya

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    Quote Originally Posted by hasooboy View Post
    How much does it cost you ?
    15k -20k to be exact...can Vary with brand and build quality
    TOYOTA Sprinter 86- AE80 DOHC 20v'D TOYOTA Corolla 98- AE101 4AFE 16v

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