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Type: Posts; User: chander

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  1. Replies
    19
    Views
    616

    I don't know the exact cost difference between...

    I don't know the exact cost difference between the press fittings vs sweat fittings. If you cut out 1 hour labor plus cost of nitro, acetylene, rods and possible safety precautions, the cost may be...
  2. Replies
    19
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    616

    I agree with the brazing at this time, but think...

    I agree with the brazing at this time, but think of the cost of nitrogen, acetylene and brazing rods. Plus the time saved carrying bottles in and out of job, exchanging bottles at supply house. When...
  3. Replies
    19
    Views
    616

    I haven't used any of these products but I...

    I haven't used any of these products but I believe in time they will become more reliable and proven.
    I relate this to Pro-press for plumbing, when I first started all plumbing was soldered or...
  4. Dump valve leaking? Sent from my VS501 using...

    Dump valve leaking?

    Sent from my VS501 using Tapatalk
  5. Replies
    26
    Views
    767

    Are you saying inserting romex inside the...

    Are you saying inserting romex inside the sealtite?

    Sent from my ASUS_P00J using Tapatalk
  6. Replies
    9
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    649

    Do you have a solid 24v at the valve when it...

    Do you have a solid 24v at the valve when it opens?

    Sent from my ASUS_P00J using Tapatalk
  7. Replies
    9
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    649

    What type of gas valve/valves, burner and...

    What type of gas valve/valves, burner and ignition system does this system utilize? If you a model number that will help.

    Sent from my ASUS_P00J using Tapatalk
  8. Replies
    25
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    1,995

    It is like the old saying: auto mechanic drives...

    It is like the old saying: auto mechanic drives the most neglected and beat up cars. You work on them all day you don't want to look at them when you get home.

    Sent from my ASUS_P00J using...
  9. Most people think it is easier to replace with...

    Most people think it is easier to replace with electronics controls than troubleshooting and repairing pneumatic controls. Plus new controls don't require as much maintenance. If you are good at...
  10. Air compressors are used to supply air for...

    Air compressors are used to supply air for pneumatic controls. This type of control system is old technology, very effective if maintained properly.

    Sent from my ASUS_P00J using Tapatalk
  11. Replies
    12
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    855

    I would reach out to the architect/engineer and...

    I would reach out to the architect/engineer and see if this is a general specifications and does it apply to small equipment also.
    I have only seen rubber isolators for small condensers, but there...
  12. Replies
    25
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    1,995

    In my area, new construction is paying by piece...

    In my area, new construction is paying by piece work. No nitrogen, no checking pressures or temperatures, just how many units can be installed in one day.

    Sent from my ASUS_P00J using Tapatalk
  13. Replies
    37
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    2,752

    My boss said install a filter drier on that unit,...

    My boss said install a filter drier on that unit, ok!

    Sent from my ASUS_P00J using Tapatalk
  14. Thread: 407c 3 phase

    by chander
    Replies
    8
    Views
    451

    Three phase or single, same compressor. Follow...

    Three phase or single, same compressor. Follow the same procedures you have been using and you will be fine

    Sent from my ASUS_P00J using Tapatalk
  15. Thread: 407c 3 phase

    by chander
    Replies
    8
    Views
    451

    Have done conversions during compressor...

    Have done conversions during compressor replacements. No problems, what details are you questioning?

    Sent from my VS501 using Tapatalk
  16. Replies
    13
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    570

    I don't want to hijack this thread but, I would...

    I don't want to hijack this thread but, I would like more info on converting from 410 to 407C. I have followed some of your other posts doing this and I have a unit I would like to experiment with. ...
  17. What costs more motor or blower wheel? Cut the...

    What costs more motor or blower wheel? Cut the motor shaft and press shaft out of the hub or destroy wheel and buy new one. Any hammering or prying on wheel could make it out of balance.

    Sent from...
  18. Replies
    7
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    324

    If it has a scroll compressor it will make a...

    If it has a scroll compressor it will make a louder than normal sound and will not pump. It will not hurt the compressor, just reverse the leads and you are done.

    Sent from my VS501 using Tapatalk
  19. Replies
    29
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    835

    I have to agree with on Actech2 on leaking...

    I have to agree with on Actech2 on leaking evaporator. One of you codes is indoor thermister open/short, 2 flash 2 flash. Other code, 6 red flash should have a green flash simultaneously with it....
  20. Replies
    5
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    321

    Does anyone else have access to the system? Could...

    Does anyone else have access to the system? Could that AHU been overridden occupied? Check the priority array of that AHU and see what is controlling it.

    Sent from my ASUS_P00J using Tapatalk
  21. Replies
    7
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    490

    Are you monitoring DP across the barrel? Could be...

    Are you monitoring DP across the barrel? Could be shutting down on lack of flow.

    Sent from my VS501 using Tapatalk
  22. Thread: Air Filter

    by chander
    Replies
    21
    Views
    981

    In my location a lot of things are being...

    In my location a lot of things are being requested by Teacher's union. There definitely should be protocols followed under the CDC guidelines but, they need to be realistic. Do they know what will...
  23. Thread: 3 way bypass

    by chander
    Replies
    8
    Views
    1,124

    Do you have the old 3 way valve, if you do what...

    Do you have the old 3 way valve, if you do what manufacture and what numbers are on the valve? Do you know the specs on the new coil GPM ,etc ? Hopefully WAYNE or one of the other TAB guys see this,...
  24. Replies
    9
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    1,762

    Hey it's a double wide! Sent from my VS501...

    Hey it's a double wide!

    Sent from my VS501 using Tapatalk
  25. What was your compressor amps compared to...

    What was your compressor amps compared to nameplate?

    Sent from my ASUS_P00J using Tapatalk
  26. Replies
    11
    Views
    2,406

    At least they used conduit to run their electric...

    At least they used conduit to run their electric in, oh forget I said anything!
    I am sure they used nitrogen when they brazed those lines too.

    Sent from my VS501 using Tapatalk
  27. What started first communication failure or you...

    What started first communication failure or you replaced a board. What board did you replace?
    Does this machine have the newer style cables or the ribbon cable?
    Have you checked voltage at the com...
  28. Replies
    14
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    2,086

    She's going to blow captain! Sent from my...

    She's going to blow captain!

    Sent from my VS501 using Tapatalk
  29. Replies
    19
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    3,668

    Nice condenser pad

    Found this picture on another web site.https://uploads.tapatalk-cdn.com/20200628/064c7e3c2ee27954bdd8152468bae0b0.jpg

    Sent from my VS501 using Tapatalk
  30. You can use the quick-check on this system. I...

    You can use the quick-check on this system. I usually get good results on the high side tap.

    Sent from my VS501 using Tapatalk
  31. Replies
    33
    Views
    3,044

    I would say that 30 degrees is high for this...

    I would say that 30 degrees is high for this unit, 15 to 20 is more likely. Without having the unit specifications, this is what I would use. What is the compressor amp draw compared to name plate...
  32. Replies
    33
    Views
    3,044

    Why do you believe non- condensables are your...

    Why do you believe non- condensables are your problem? Does your condensing pressure/temp relationship to ambient temp match?


    Sent from my VS501 using Tapatalk
  33. Replies
    33
    Views
    3,044

    Is the txv adjustable? If it is, try opening it...

    Is the txv adjustable? If it is, try opening it up. Your superheat is high, check out restriction or problem with txv.

    Sent from my VS501 using Tapatalk
  34. Replies
    25
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    1,031

    You are familiar what high superheat indicates?...

    You are familiar what high superheat indicates? Did you install the line set, where the ends of the copper capped prior to installation and did you purge nitrogen during brazing?
    If you know how to...
  35. Thread: Chiller

    by chander
    Replies
    7
    Views
    867

    Subcooling measurement, LL sight glass. There are...

    Subcooling measurement, LL sight glass. There are many other measurements and pressures to check before determining the unit is low on gas.

    Sent from my ASUS_P00J using Tapatalk
  36. Thread: Chiller

    by chander
    Replies
    7
    Views
    867

    Are you asking how much total refrigerant does a...

    Are you asking how much total refrigerant does a circuit hold? Or how do you know if the circuit is fully charged (low on refrigerant).

    Sent from my VS501 using Tapatalk
  37. Thread: Oil analysis

    by chander
    Replies
    9
    Views
    639

    Just to be clear on the oil sampling Trane isn't...

    Just to be clear on the oil sampling Trane isn't coming out to the site, if I choose to use them, I would be sending the sample to their lab. If I choose not to give them all of the model and serial...
  38. Thread: Oil analysis

    by chander
    Replies
    9
    Views
    639

    I don't know about stealing anything but they do...

    I don't know about stealing anything but they do offer some type of rebuilding/ renovating service. I am not familiar with this service, I hear it is based on hours/ starts, oil analysis and common...
  39. Thread: Oil analysis

    by chander
    Replies
    9
    Views
    639

    Oil analysis

    My local Trane office is offering oil analysis. Has anyone used their service for oil? Is this testing done by aTrane lab or do they use someone else?

    Sent from my ASUS_P00J using Tapatalk
  40. Replies
    4
    Views
    309

    We use Apollo and Viega, I find that Apollo costs...

    We use Apollo and Viega, I find that Apollo costs a little less in my area, no issues with either manufacturer. Most of my supply houses only carry one brand, so cost could be on distributor markup...
  41. Replies
    18
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    635

    What degree does the spin flare make, 37 or 45?...

    What degree does the spin flare make, 37 or 45? Could you post a picture of a completed flare, sounds like another possible tool purchase.

    Sent from my ASUS_P00J using Tapatalk
  42. Replies
    24
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    976

    You can buy Veto bags directly from them on...

    You can buy Veto bags directly from them on E-bay. Also check out their spring promo, certain bags you buy you get a smaller bag free.

    Sent from my ASUS_P00J using Tapatalk
  43. Replies
    6
    Views
    777

    Is this an evaporator that would be used with...

    Is this an evaporator that would be used with their standard outdoor unit ? Do you install a piston or txv at the indoor unit?

    Sent from my ASUS_P00J using Tapatalk
  44. Replies
    5
    Views
    1,651

    That is a nice video! It looks like they...

    That is a nice video! It looks like they installed the bushing backwards with how far it is sticking out of the valve.

    Sent from my VS501 using Tapatalk
  45. Replies
    12
    Views
    725

    It hadn't dealt with Fugitsu lately, but is it...

    It hadn't dealt with Fugitsu lately, but is it possible to change out the condenser only? Or do the high heat units have separate indoor units just for that application?

    Sent from my ASUS_P00J...
  46. Did you install circuit setters on the units with...

    Did you install circuit setters on the units with the new control valves?

    Sent from my VS501 using Tapatalk
  47. Thread: Pinhole Leaks

    by chander
    Replies
    7
    Views
    916

    I have brazed and even just soldered over the...

    I have brazed and even just soldered over the spot. This is usually a temporary fix for me because if there is a pin hole, there is usually many more spots that will show up soon.
    I have used pipe...
  48. Replies
    7
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    1,579

    This is sad, but many contractors are competing...

    This is sad, but many contractors are competing against this crap.
    As a licenced, bonded, insured and skilled contractor, you show up to give the store a quote on this unit.
    This hack gave a much...
  49. Replies
    7
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    1,579

    At least it isn't a Goodman:::::: oh wait! ...

    At least it isn't a Goodman:::::: oh wait!

    Sent from my VS501 using Tapatalk
  50. Replies
    14
    Views
    1,186

    Most units have a jumper installed when the...

    Most units have a jumper installed when the economizer is not installed. If you removed the economizer plug and didn't install the jumper, this could effect the compressor operation.
    The wiring...
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