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Type: Posts; User: khozema

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  1. Replies
    3
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    596

    thxs, even i thought so. But i had planed to keep...

    thxs, even i thought so. But i had planed to keep supply and return in diagonal opposite for each floor keeping supply throw down with return grill louver at 0 degree at the same level.. is this...
  2. Replies
    3
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    596

    Airconditioning of Atriums

    Hi,

    I want some basic guidlines/check list for estimating heat loads and duct layouts. Working on project for Mall where only Atrium portion is to be aircon. My major concerned is with the duct...
  3. Carrier 5.5 tr Ductable Digital>>liquid and Suction line

    Installing 5.5 tr Ductable for Office, As the expansion is within IDU hence considering of insulating liquid line and suction line together to obtain better refrigerating effect. As per company...
  4. Replies
    1
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    603

    Ductable Units Leak Test

    Installation of Ductable Units of Carrier, 11tr and 17 tr. Piping length from IDU to ODU >150 ft. ODU are pre charge with F22. Leak Test of piping from IDU to ODU is tested with Nitrogen @400 PSI....
  5. Replies
    5
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    639

    Fieldpiece HVAC Guide

    Hi, I am thinking of buying Fiedpiece Instrument HVAC Guide. I would like to know in order to check super heat data required is DB for out door and Return WB. One of videos highlights the same on...
  6. Thread: Hi Wall Units

    by khozema
    Replies
    1
    Views
    274

    Hi Wall Units

    What is the maximum length for Liquid and Suction Pipe recommended for HiWall Splits for 1.5tr. As per site restriction and location i have to install ODU away from IDU by 100 to 125 ft. Worried...
  7. Thread: Scroll ZB66 KQ

    by khozema
    Replies
    8
    Views
    1,057

    :lilhelp:I did the exercise of giving extra...

    :lilhelp:I did the exercise of giving extra charge and maintain the SP upt 65psi and kept under observation for last 48 hrs. :confused::confused:
    but it gets unload. Recent info from my team that...
  8. Thread: Scroll ZB66 KQ

    by khozema
    Replies
    8
    Views
    1,057

    yeap, you are right for temp thermodisc which...

    yeap, you are right for temp thermodisc which unloads the comp. But this should happen with my other units which are working on same SPress and DPres hence before axing the compressor i would like to...
  9. Thread: Scroll ZB66 KQ

    by khozema
    Replies
    8
    Views
    1,057

    Hi It is being used for R22. I checked the TEV...

    Hi
    It is being used for R22. I checked the TEV also serviced the same before revaccum and recharged. I am worried, i have three units of same specs and they running very healthy as per the...
  10. Thread: Scroll ZB66 KQ

    by khozema
    Replies
    8
    Views
    1,057

    Hi Bullgear420, Unload means the comp is...

    Hi Bullgear420,
    Unload means the comp is running with balanced pressured, suction and discharge pressure remains same. The running amperage of the compressor are as recommended by the manufacturer....
  11. Thread: Scroll ZB66 KQ

    by khozema
    Replies
    8
    Views
    1,057

    Scroll ZB66 KQ

    Hi, this is regarding refrigeration system install with Scroll Comp ZB series. the unit trips on unload after cycle of 18 to 20 hrs. Checked the parameters, SP 35 , DP 235psi, with ambient of 30C....
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