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  1. Replies
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    Apparently I have not been active enough because...

    Apparently I have not been active enough because banner tells me to post.

    Where did that come from? Correct me if I'm wrong but as I recall EN 378 doesn't say that. Every COMPANY has to have at...
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    I have been doing electrical for over 15 years....

    I have been doing electrical for over 15 years. Automation, machines, commercial, household, you name it. There is so much to learn and to keep up with. Codes and overall technical development. Few...
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    That's right. Voltage drop depends on the diode...

    That's right. Voltage drop depends on the diode you use but it usually falls between 0,4-0,8 or something like that.
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    Another trick is to put a normal diode in series...

    Another trick is to put a normal diode in series with the 4-20mA signal. Then you can check the current in milliamp range by simply measuring across the diode. The meters resistance is so small that...
  5. Thread: fluke 179

    by -MAKE-
    Replies
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    958

    Yeah, that's right. And rain sucks. Here's a...

    Yeah, that's right. And rain sucks.

    Here's a little tip about checking the fuses. Put meter in the ohm or diode range, and measure with red or volt/ohm lead against the amp terminal. It will show...
  6. Thread: fluke 179

    by -MAKE-
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    958

    I'm wondering, what are you asking?

    I'm wondering, what are you asking?
  7. Thread: CO2 article

    by -MAKE-
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    2,127

    We had the first co2 supermarket in 2007. It was...

    We had the first co2 supermarket in 2007. It was cascade.
    Now they are building first full co2 dx supermarket. It's supposed to be 15-20% more efficient than conventional system.

    Also we have...
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    I have Fluke Ti-20, Scopemeter123, 335, 52II,...

    I have Fluke Ti-20, Scopemeter123, 335, 52II, 971, 322 and 62 at least, maybe there's more. And like them. Most of them get tossed around in my van and they seem not to care about it. Oldest one I...
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    906

    I have a small lathe and a small mill. Don't use...

    I have a small lathe and a small mill. Don't use them everyday but when needed, "priceless". Lathe is chinese noname but it does it's job. I can get less than 0,1 mm accuracy easily. Even done some...
  10. Why don't you just recover the refrigerant and...

    Why don't you just recover the refrigerant and put it back when you're done?
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    What can I say but we know our stuff

    http://abcnews.go.com/Blotter/car-company-us-loan-builds-cars-finland/story?id=14770875#.TqHVH_t3vRo.twitter
  12. Thread: Vacuum Troubles

    by -MAKE-
    Replies
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    5,438

    OK, where can I get one? I have to see for...

    OK, where can I get one?
    I have to see for myself.
    None of the links from accutools for Europe showed one. I did not even look at Romanian and Italian sites because.... Well... Not gonna order from...
  13. Thread: Vacuum Troubles

    by -MAKE-
    Replies
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    5,438

    Would you explain what POE has to do with this?

    Would you explain what POE has to do with this?
  14. Replies
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    Thermal imager shows a distinct pattern if there...

    Thermal imager shows a distinct pattern if there is a air leak compared to thermal conduction. This is at least here where the norm is having the building in a slight negative pressure. You guys that...
  15. Replies
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    1,613

    DC jack of my Fluke thermal imager busted and the...

    DC jack of my Fluke thermal imager busted and the thing travelled to Washington for repair. They upgraded the jack AND calibrated the imager. Cost me nothing.

    Now keep in mind where I'm...
  16. Replies
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    4,537

    I use torque wrenches all the time on flare...

    I use torque wrenches all the time on flare fittings and machine repairs.
    If fact in Europe there is a refrigeration standard that says what torque to use by the diameter of flare. Must be the...
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    Have your tech read the installation manual....

    Have your tech read the installation manual. There he will find the limits of installation lenght and height difference between units. Also what has to be done to extend those limits to maximum.
  18. Replies
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    Can I have my * now:angel:

    Can I have my * now:angel:
  19. Replies
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    1,305

    And in the mean time fighting russians we just...

    And in the mean time fighting russians we just figured it out that 3phase is the way to go:grin2:
  20. Replies
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    1,305

    Keep in mind that we were the ones who kicked the...

    Keep in mind that we were the ones who kicked the soviet outta here:cheers:
  21. Replies
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    1,305

    Yes, they realized that 3 phase is is better.

    Yes, they realized that 3 phase is is better.
  22. Replies
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    1,305

    Come visit me. All 3 phases except few houses...

    Come visit me. All 3 phases except few houses from the 30's to 40's:grin2:
  23. Replies
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    1,698

    Noup. I would get slapped by moderators.

    Noup. I would get slapped by moderators.
  24. Replies
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    1,698

    Do you think multiple posting will help?

    Do you think multiple posting will help?
  25. Thread: TXV hot swap

    by -MAKE-
    Replies
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    5,420

    So what's the deal? Anyone? Around here you...

    So what's the deal? Anyone?
    Around here you can't vent HFC:s but I'm curious what the EPA says.
    In my world ODP is as much of a factor as GWP. Can't vent and need license.
  26. Thread: TXV hot swap

    by -MAKE-
    Replies
    49
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    5,420

    Forgive me not knowing you EPA codes but this...

    Forgive me not knowing you EPA codes but this sound weird.
    According to this venting of 410A is OK. It has 0 ODP and it is HFC.
  27. Replies
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    1,871

    Anyway, I still think that in order to understand...

    Anyway, I still think that in order to understand electricity is a must to do actual measurements. And to understand calculations it is good to verify by measurements. Many times you will get the...
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    By weight.

    By weight.
  29. Replies
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    Not quite. This here is the next step when you...

    Not quite.
    This here is the next step when you will understand that open/closed contacts are just extremes. You will gain more if you think open contact as very high resistance and closed contact as...
  30. Replies
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    1,871

    I think you need a multimeter and some circuits...

    I think you need a multimeter and some circuits to play with. Then you can try out the things that you read or calculate. It will be enlightning. Use a safe voltage like battery or safety...
  31. Replies
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    Yep, you got it. If you would have bad...

    Yep, you got it.

    If you would have bad contacts on the switch, you would read some voltage across it.

    Open and closed contacts are the extremes.
  32. Replies
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    I would say that I live in a cold climate. And...

    I would say that I live in a cold climate. And here the trend is gshp in new buildings and minisplit in older to supplement existing heating system. During the coldest times (-10F and so) ashp's...
  33. Replies
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    What was this about:putergreet:

    What was this about:putergreet:
  34. Replies
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    Might be in warm climates. OP said up at the...

    Might be in warm climates. OP said up at the lake. I assumed climate where it gets cold. Here at winter we usually see temperatures below 0F. Sometimes below -20F. Around 0F the unit pisses real...
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    The deflector or whatever it is, I have never...

    The deflector or whatever it is, I have never seen in Mitsus papers. I think it will obstruct the airflow. Just like here people want to have some kind of cover on their OD units because they look...
  36. Sticky: I got here just in time. It was the tool area...

    I got here just in time. It was the tool area that lead me to this site. Because of that I have DC:s and allways wondering where to buy stuff you recommend. DC was easy 'couse Brenda shipped it right...
  37. Thread: HVAC calc

    by -MAKE-
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    Oh OK. I just get a 404 page. They must restrict...

    Oh OK.
    I just get a 404 page. They must restrict foreign IP:s
  38. Thread: HVAC calc

    by -MAKE-
    Replies
    2
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    1,599

    HVAC calc

    On the blue bar there is HVAC calc link.
    I have tried it several times over the time and it never seems to work. I've tried with computers running different softwares.
    Is there some kind if...
  39. Replies
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    My original reply has gone somewhere but anyway....

    My original reply has gone somewhere but anyway.

    Insulating both lines separately is allready said but it is important because the metering device is in the OD unit so the lineset is part of the...
  40. Replies
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    And I am getting my post count up to get my *...

    And I am getting my post count up to get my *
    Thats why I didn't post any advice. Still deleted.
  41. Replies
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    As per the AOP Rules only Professional Members *...

    As per the AOP Rules only Professional Members * can reply with advice to the OP. Anyone may post and ask questions. They may even question the * member answer but not give advice or expand on the...
  42. Replies
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    The fan is constantly on because the unit...

    The fan is constantly on because the unit measures room temp from the air it sucks in. If the fan stops measurement would be off quite a bit.

    When it comes close to setpoint the compressor slows...
  43. Replies
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    Actually a lot less. Let's say it's supposed...

    Actually a lot less.

    Let's say it's supposed to be 240A 20A then power is 4800W.
    Now if it's 120V and 10A power is 1200W.

    Resistance remains the same.
  44. Replies
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    What do you mean? I was told 6PM local time.:gah:

    What do you mean? I was told 6PM local time.:gah:
  45. Replies
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    4,171

    Report from Finland at 9:30PM local time. Nothing...

    Report from Finland at 9:30PM local time. Nothing special. Plenty of beer and surfing the net.:putergreet:
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    This is true with zelio also.

    This is true with zelio also.
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    ASHP's are popular because they're good for most...

    ASHP's are popular because they're good for most of the year and they are cheap to buy. Majority are mini splits. Ones sold here are usually quaranteed to work at temperatures of -4F. But they...
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    You got that right. Practically no ac's around...

    You got that right. Practically no ac's around here. But heat pump business is great. We have about 10- -30F temperatures all winter long.
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    Just be careful with the camera head. I had mine...

    Just be careful with the camera head. I had mine cracked into two pieces.
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    All I can say is BUAHAHAA, that looks like early...

    All I can say is BUAHAHAA, that looks like early autumn to me.::DD:
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