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  1. Thread: Fujitsu

    by jason12000
    Replies
    11
    Views
    580

    When you are in front of the system call tech...

    When you are in front of the system call tech support. They will have you remove the #3 wire and test wire to terminal and wire to ground both at the indoor and outdoor to determine if communication...
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    1
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    553

    Yes they work. Best if you have a variable speed...

    Yes they work. Best if you have a variable speed blower to circulate air for continuous effect. It will neutralize viruses, bacteria, mold, and odors. Make sure you have a qualified professional...
  3. Replies
    32
    Views
    2,355

    I have one C&D and one Robinair. Used both for...

    I have one C&D and one Robinair. Used both for years and haven't had a problem with either.
  4. Replies
    51
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    3,246

    Up sizing is acceptable to an extent, but...

    Up sizing is acceptable to an extent, but capacitor ratings are to simulate 3 phase operations in a single phase motor. So yes, change it to the right one.

    Sent from my SCH-I535 using Tapatalk
  5. Only qualified professionals should charge...

    Only qualified professionals should charge systems. The pink line has been crossed.

    Sent from my SCH-I535 using Tapatalk
  6. Replies
    12
    Views
    878

    I sent in my sman3 manifold recently. Blank...

    I sent in my sman3 manifold recently. Blank screen, out of warranty. I was totally expecting to bite the bullet and get a new one. They sent me a new one no problem. I originally had the blue and red...
  7. Replies
    32
    Views
    2,075

    I would read the section in your text book about...

    I would read the section in your text book about latent heat, and sensible heat removal. Go over that until it makes sense. Then go to a psychrometric chart and mull over it there as well. Don't...
  8. Replies
    12
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    1,003

    Nylog is great, but it's used to make a seal of...

    Nylog is great, but it's used to make a seal of connections that could be leak proof without it. It's worth a shot, but not a substitute for repair or replace.
  9. Thread: Mini splits

    by jason12000
    Replies
    29
    Views
    1,761

    kklobas, mr_guy, amd mason have giving very good...

    kklobas, mr_guy, amd mason have giving very good info. Mini's are not to be treated like a normal system. If you are doing several at the property over the span of a week or two, you'll have it down...
  10. Thread: Mini splits

    by jason12000
    Replies
    29
    Views
    1,761

    If its multilevel apartments, just carefully map...

    If its multilevel apartments, just carefully map where your line set runs go. Try to color code or label by apt. number, and keep the flare fittings accessible (not in a wall between floors). If you...
  11. Replies
    12
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    966

    When I read the title I thought it was going to...

    When I read the title I thought it was going to be this http://www.eurekalert.org/features/doe/2002-01/dl-nmr061702.php
  12. Replies
    11
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    965

    The compact swag tool by Hilmor has been on my...

    The compact swag tool by Hilmor has been on my list as well. If you get it let me know what you think. If anyone else has one please chime in.
  13. Replies
    20
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    1,334

    I only offer the NCI model. I explain the...

    I only offer the NCI model. I explain the difference to the home owner and let them decide. Yes, I offer it to every gas appliance owner. I wouldn't sell them something that i wouldn't put in my own...
  14. Replies
    44
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    4,023

    Most of the general public isn't aware of NATE....

    Most of the general public isn't aware of NATE. Also, most people aren't aware of NCI, ACCA, ASHRAE, HVAC Excellence, or BPI. That doesn't mean they aren't important. Our company has landed quite a...
  15. Replies
    44
    Views
    4,023

    Probably not updated yet. Give it time. You'll...

    Probably not updated yet. Give it time. You'll get certs in the mail. If it doesn't change in a week, send them an email. Valerie Briggs will take care of it. Congratulations.
  16. Thread: HSI HELP

    by jason12000
    Replies
    23
    Views
    1,608

    Test the ones you have on you truck. Write those...

    Test the ones you have on you truck. Write those ohm readings down. As you replace with OEM parts, test the bad ones and make a cheat sheet of your own.
  17. Replies
    59
    Views
    4,419

    As your copper line gets ready to receive the...

    As your copper line gets ready to receive the brazing rod you're torch flame turns greenish. Move the torch tip to your stub, still pointing away from your compressor, but heat must be applied to the...
  18. Replies
    5
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    651

    0-1" is best for resi. You can use it for light...

    0-1" is best for resi. You can use it for light com. also, just measure supply and return separately then add results together for TESP.
  19. Replies
    59
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    5,014

    That is a mighty mustache. I understand the cut...

    That is a mighty mustache. I understand the cut back for summer, but heating season is upon us and only a proper roll out can keep the stache short in cold weather. I feel another thread emerging.
  20. Replies
    59
    Views
    5,014

    Shirt pocket: Smart phone and pen Shirt pocket:...

    Shirt pocket: Smart phone and pen
    Shirt pocket: 2 Fieldpiece thermometers, t-stat screw driver
    Pants pocket: keys (duh)
    Pants pocket: misc. paper from back of foil tape, burned fuses, left over...
  21. Replies
    41
    Views
    2,733

    parallel=plus series=subtract and yes, verify...

    parallel=plus
    series=subtract
    and yes, verify with a meter.
    easy peasy.
  22. 10% variation on supplied voltage. The motors...

    10% variation on supplied voltage. The motors don't know if they are heat pump or straight cooling?
  23. Replies
    13
    Views
    937

    replace the 9V.

    replace the 9V.
  24. Replies
    16
    Views
    2,127

    That's very true. My main point is to inform the...

    That's very true. My main point is to inform the customer if it needs to be removed more costs will incur. I've found it's better to charge them up front then to go back a few weeks later and drop...
  25. Replies
    2
    Views
    489

    Thanks Jim, I did mean the 605-H2. I switched it...

    Thanks Jim, I did mean the 605-H2. I switched it back. It made me realize how much I use it.
  26. Replies
    21
    Views
    1,354

    Yes to the RSES book. The Dewalt one is good...

    Yes to the RSES book. The Dewalt one is good also. Taking a class geared for the NATE test is extremely helpful. Knowing the info. is one thing, but knowing how to take the test is another. The...
  27. 30* above ambient, as stated earlier, doesn't...

    30* above ambient, as stated earlier, doesn't apply to all systems, or all conditions. SH and SC tells you so much more. Break the chains of schooling and find other forms of info. This site, NATE...
  28. Replies
    2
    Views
    489

    Testo Hygrometer stuck in C*

    Anyone know how to change the testo 502 Hygrometer from C* to F*. I don't have the manual on me, and it switched in my bag. Thanks
  29. Replies
    16
    Views
    2,127

    If you're installing a Suction line drier, make...

    If you're installing a Suction line drier, make sure you charge for the return trip to remove it in a few weeks. Keep the piece of suction line you cut out and attach it to the drier so you have it...
  30. Replies
    36
    Views
    3,597

    Thanks, you guys made my bad day muuuuch better.

    Thanks, you guys made my bad day muuuuch better.
  31. Thread: zoning

    by jason12000
    Replies
    9
    Views
    715

    Is it just one zone that is short cycling? Did...

    Is it just one zone that is short cycling? Did you install the duct work as well? Could be the sizing of the ducts for the space. You should also check your dip switches and make sure your airflow...
  32. How did you decide on the tonnage and number of...

    How did you decide on the tonnage and number of registers without doing any calculations?
  33. Replies
    10
    Views
    1,014

    Using a short piece of t-stat wire and your...

    Using a short piece of t-stat wire and your alligator clips works in a pinch for most molex plugs, but the ADK7 is the way to go.
  34. Replies
    7
    Views
    1,427

    Check the grounding. From the receptacle through...

    Check the grounding. From the receptacle through your furnace/board/burners. Must have good earth ground.
  35. Replies
    10
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    929

    I was going to ask if the flashing ad to the...

    I was going to ask if the flashing ad to the right of the screen about the field piece jacket has been tested in the field or not? Thanks ch4man.
  36. I agree with woody19. Sounds like the heat strips...

    I agree with woody19. Sounds like the heat strips aren't coming on during defrost.
  37. You can test the RV by just disconnecting the...

    You can test the RV by just disconnecting the control wiring and see which mode it defaults into. Then make sure when you send 24V on your control wiring it switches modes. So whatever t-stat you're...
  38. Duct work should still be insulated. As doc havoc...

    Duct work should still be insulated. As doc havoc said it's now in the envelope. Is the combustion air piped from outside? Does undercutting the door give you enough free space for air changes?
  39. Replies
    2
    Views
    917

    Thanks for the response lash61101. I resolved the...

    Thanks for the response lash61101. I resolved the issue. The communicating system on this furnace has EAC, and HUM wiring in the j-box. It's 120V though. Even the tech. support had me going through...
  40. Replies
    2
    Views
    917

    Trane Communicating System

    I installed a Honeywell TrueSteam Humidifier on a Trane XC80 furnace. Model TUD2C080ACV42AA, 3yrs old. Following the Honeywell installation using an interface module to run my stat (D,R,B), hum, and...
  41. Replies
    7
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    1,150

    I use an Amprobe TMA-20HW Hot Wire Anemometer....

    I use an Amprobe TMA-20HW Hot Wire Anemometer. The vane anemometers work well too, and much easier to carry in your tool bag for a quick ballpark measurement.
  42. Replies
    10
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    1,693

    So what kind of goofy reading where you getting,...

    So what kind of goofy reading where you getting, and what lead you to discover the faulty o ring.
  43. Replies
    10
    Views
    1,693

    Sure, push the blame on the vacuum pump.

    Sure, push the blame on the vacuum pump.
  44. Replies
    23
    Views
    2,487

    Is it possible you have some unwanted debris is...

    Is it possible you have some unwanted debris is the compressor from brazing in the RV? Did you use nitrogen? Safe micron level? Add a drier? Running the compressor backwards for a hot second will...
  45. Replies
    24
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    3,002

    I love my SMAN3. The sight glass is key....

    I love my SMAN3. The sight glass is key. Especially since when charging the low side goes from barely open to very open quickly. It's better to control the charge from the jug. Also the blue padded...
  46. Replies
    69
    Views
    9,235

    I use Fieldpiece LT17A. The hanging magnet comes...

    I use Fieldpiece LT17A. The hanging magnet comes in handy. Comes with amp clamp to attach to the leads so you can take motor readings with the door on.
  47. Replies
    10
    Views
    1,840

    I'm a service technician. I've read the site...

    I'm a service technician. I've read the site rules and thought someone's experience could help. If you know, please share.
  48. Replies
    10
    Views
    1,840

    Thermostat trouble

    I replaced a non programmable t-stat with a Honeywell 6000 programmable t-stat on a Carrier Package Heat Pump. I do not remember the brand of the first t-stat. I checked fan only, heat, and cool...
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