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Type: Posts; User: kazimj

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  1. Replies
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    They do have a replacement for r-12 its called...

    They do have a replacement for r-12 its called cold spot, but I cant get my hands on it. I have to buy a 30lbs jug for nearly $$$, i dont need to spend that kind of money. looking to spend $$$ to $$$...
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    can I use R-134A instead of R-12

    Can any one advise me, I have a friend that has an old coke machine that use to have r12 in it, however over the years, the r-12 has leaked out and not is not cooling any more. I was thinking of fill...
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    They are like ants!!!!, All over the place.

    It's become so rediculous that the price of service is down to $35.00 here in Orlando,Fl.How are we to make an HONEST living???.
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    guys, thakx a lot for those that have tried to...

    guys, thakx a lot for those that have tried to answer my question. But my main concern is that will the by pass vlave in the compressor close after the system when the liquid line pressure go down or...
  5. Thread: duct design

    by kazimj
    Replies
    4
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    796

    One of the ways to design duct system is the...

    One of the ways to design duct system is the equal friction method. Unfortunately, most of the designers interpret that as using the same friction factor during the design. I disagree with that...
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    shut the condensor immediately. If the system is...

    shut the condensor immediately. If the system is off, irrespective of the fan, the compressor is should not be working. Unless the wiring is incorrect, the indoor fan setting has noting to do with...
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    I have several evaporator coild that need to be...

    I have several evaporator coild that need to be removed and cleaned then put back. I am planning on doing a lock out on the liquid line and allow the suction to get down to about 20psi then do a...
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