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Type: Posts; User: old fitter

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  1. Replies
    12
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    7,392

    Isnt the Carrier coil leak a B? In the last 30...

    Isnt the Carrier coil leak a B? In the last 30 yrs have fixed many, kinda hard to shake your head and braze at the same time, while calculating retirement. Its a weak point but sometimes set in...
  2. Replies
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    754

    I knew the new MGR over there, seemed like a nice...

    I knew the new MGR over there, seemed like a nice guy. Whats up?
  3. Thread: Siemens

    by old fitter
    Replies
    6
    Views
    1,310

    Anyone heard good or bad or whats coming for...

    Anyone heard good or bad or whats coming for Siemens mech? Have a chance to go to work for them in the NW.
  4. Thread: Mc chiller

    by old fitter
    Replies
    3
    Views
    600

    Need help on a chiller short cycling problem....

    Need help on a chiller short cycling problem. Have a Mac chiller, 25 ton that feeds one AH, 100% OSA, and the stat[JC A350] satisfies before the setpoint, shuts off the machine then recalls. Restart...
  5. Thread: New Zealand

    by old fitter
    Replies
    1
    Views
    767

    Does anybody have any info on HVAC work in New...

    Does anybody have any info on HVAC work in New Zealand? I see via thier embassy site that we are on the desired jobs listed as needed personnel, have 30 yrs in, mostly larger systems and controls.
  6. Thread: HP cutout

    by old fitter
    Replies
    8
    Views
    689

    They say this unit has done this since orig...

    They say this unit has done this since orig install, 1997. I see the switches have been changed, and the water reg valves backed all the way out, but what occures is not high head. You can have your...
  7. Thread: HP cutout

    by old fitter
    Replies
    8
    Views
    689

    Have a five ton scroll compressor with a reed...

    Have a five ton scroll compressor with a reed style hp manual reset about 3 inches down the discharge line. The idle compressor starts and pops the saftey in about 2 seconds. Reset and restart the...
  8. Thread: Charging

    by old fitter
    Replies
    8
    Views
    1,212

    To me it all depends on the metering device.......

    To me it all depends on the metering device....
    ie cap tube, evacuate and wiegh in exact charge,Txv, 15 degrees subcooling,etc. Once every style of metering device is understood, charging is easy.
  9. Replies
    57
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    12,347

    Again, with this open faced impeller and designed...

    Again, with this open faced impeller and designed rpm, the lift is very limited. This machine was inroduced when everyone was wanting to sell the most efficient kw per ton at the cheapest cost. Dont...
  10. Replies
    57
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    12,347

    I installed a vfd on this chiller around 1995....

    I installed a vfd on this chiller around 1995.
    Believe me there is a reason it turns the wheel at 18 grand. If you dont have the correct logic and cannot anticipate a surge youll be right back into...
  11. Replies
    13
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    2,310

    ah....old code 51....first eliminate the dhgt,it...

    ah....old code 51....first eliminate the dhgt,it was found as a point of trip years ago,factory said wire it out.Second,the only way the processor knows [thinks]the compressor is running is by a [I...
  12. Thread: 30-ton york

    by old fitter
    Replies
    29
    Views
    3,254

    Id be willing to bet if you install LP switches...

    Id be willing to bet if you install LP switches sensing suction pressure, set them to run a 42-45 degree coil,and split out LLS2,that is run the hot thru a return air sensor that makes at say 76 deg,...
  13. Replies
    24
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    5,048

    Sure, and at 3lbs per degree,how long do you...

    Sure, and at 3lbs per degree,how long do you think the branch line will stay at 8psi? Assuming normal deck temp at about 55 and 90 degrees,your overlap wont cool or heat very well until the stat...
  14. Replies
    24
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    5,048

    If the whole building has had these actuators...

    If the whole building has had these actuators replaced incorrectly,why not just buy a new actuator for the hot deck,4-8 spring. What a hero youll be. I just ask that you act like you know exactly...
  15. Replies
    24
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    5,048

    I guess I misunderstood, I assumed this was a...

    I guess I misunderstood, I assumed this was a Multizone air handler.Sounds like what you have is a hot and cold mixing box. First check your actuators,the spring ranges cant overlap.If this is a...
  16. Replies
    24
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    5,048

    Just guessing, sounds like these two zones have...

    Just guessing, sounds like these two zones have been grouped together perhaps due to a TI. If that stat is a single pipe feeding both actuators, you may have a fitting,tube,or diaphram leak.If single...
  17. Replies
    17
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    1,903

    We took over the Wells Fargo bldg downtown San...

    We took over the Wells Fargo bldg downtown San Diego from Trane. Both 700 ton centrifugal control panels had all sorts of added toggle switches on the face that I could not figure out.I was up there...
  18. Replies
    25
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    3,321

    I worked for jc in San Diego, anybody as unlucky?

    I worked for jc in San Diego, anybody as unlucky?
  19. Thread: Pneumatics

    by old fitter
    Replies
    3
    Views
    1,095

    What do you need?

    What do you need?
  20. Replies
    6
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    2,478

    I was one of the first to add fd to this...

    I was one of the first to add fd to this compressor,say around 1996-97. With the open faced impeller and high rpm,just about any condition that would exceed the lift and you are into surge, and this...
  21. Replies
    4
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    1,642

    Worked for them for about eight years twenty...

    Worked for them for about eight years twenty years ago.First three were great,then the JC wave started.I went through about ten waves with them,all the same scenario.Big common sense ideas,hire mgt...
  22. Replies
    1
    Views
    1,078

    The so called control cos in my area[NW]are going...

    The so called control cos in my area[NW]are going by the wayside with thier cumbersome high priced service.The smaller groups with the now relocated techs are kicking butt in the small and medium...
  23. Replies
    8
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    1,024

    Almost forgot,I consider this a wiegh in charge.

    Almost forgot,I consider this a wiegh in charge.
  24. Replies
    8
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    1,024

    I had a few of these when I worked for C, and I...

    I had a few of these when I worked for C, and I am suprised you also have not alarmed due to low cooler temp.This metering device looks like the raised slotted cover to a floor drain.A liquid line...
  25. Replies
    36
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    3,105

    So in this 32 hr "class" we had to attend,one of...

    So in this 32 hr "class" we had to attend,one of the instructors makes this statement that article 261 makes HVAC[repairs]exemp from a license.If all they are saying is that they dont want us to pull...
  26. Replies
    36
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    3,105

    N. C. is right.I recently took the OR test to...

    N. C. is right.I recently took the OR test to find questions on cable tv. Not one on grounding or anything that implied they were interested in training you how to become familiar with the code,and...
  27. Replies
    121
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    5,353

    I just NEVER patronize WM.Nobody should,then...

    I just NEVER patronize WM.Nobody should,then there is the type that will go to Macdonalds on the way,they should have four legs.
  28. Replies
    22
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    2,868

    Disable the POS,it wouldnt be so critical if it...

    Disable the POS,it wouldnt be so critical if it were for comfort only,but its too fragile and variable for equip cooling.And as were pumping in all this free cooling is there a properly sized exaust...
  29. Replies
    68
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    7,164

    But the field people in these branches support...

    But the field people in these branches support the office staff and thier dicisions.I think the function of a good salesman is to present all the options,then let the customer decide.These so...
  30. Replies
    68
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    7,164

    What amazes me,we had a new owner take over a...

    What amazes me,we had a new owner take over a large medical facility recently,and called my "controls" co to come take a look at it.Come to find out the original pneumatics,though somewhat...
  31. Replies
    68
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    7,164

    SO true,these guys also have a huge dose of...

    SO true,these guys also have a huge dose of arrogance and disrespect,and an anybody can do it attitude.In defense we clam up then they say we dont get along.Lets see,we studied and MASTERED most all...
  32. Replies
    36
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    2,463

    Wow this reflux thing is pretty common with our...

    Wow this reflux thing is pretty common with our physical hi strees trade.Mentally the wheels dont stop turning during the commute home.How many wake up thinking about the undone or forgotten,hey how...
  33. Replies
    68
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    7,164

    I have taught and calibrated pneumatics for over...

    I have taught and calibrated pneumatics for over 25yrs.Show me a guy with a good understanding of all the different brands and you have a person that has a huge "system" knowledge,and can understand...
  34. Replies
    36
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    2,463

    I had what all thought for years was reflux.At...

    I had what all thought for years was reflux.At the time it was the most popular diagnosis and I remember one Dr. taking all of about 30sec to look at a berium test to start me on this pill go...
  35. Thread: Hawaii relo

    by old fitter
    Replies
    0
    Views
    652

    Am thinking of relo to Honalulu,does anyone have...

    Am thinking of relo to Honalulu,does anyone have experience with that local service fitters union? Can and have worked on almost anything for the major controls and equip man.Would like info on...
  36. Replies
    30
    Views
    3,611

    The key is to define your goals.Nobody,...

    The key is to define your goals.Nobody,
    including the local is going to give you anything.
    I was doing repairs,non union for 10 years,studied
    everything I could get my hands on,and got my emloyers...
  37. Replies
    8
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    1,815

    You're going to have to change something.If we're...

    You're going to have to change something.If we're
    talking a Kreuter vav box or similar,they have 8-13
    actuators.Or return your xducers for a model with adjustable start point[lessen learned:always...
  38. Thread: On your own

    by old fitter
    Replies
    0
    Views
    730

    What is with the major controls/service companies...

    What is with the major controls/service companies
    treating fitter/techs like independent contractors?
    The message is produce your own work,plan your jobs,
    keep all your financials,and bring it all...
  39. Replies
    11
    Views
    1,127

    So the leak is in the round stock above the...

    So the leak is in the round stock above the flange?
    Why not get the local talented welder/fitter to make a replacement elbow? That is just mitered pipe stock and can be copied.But your talking a...
  40. Replies
    2
    Views
    1,363

    Got news for you,these actuators were recalled...

    Got news for you,these actuators were recalled
    or at least supported years ago,but you would most likely
    not get the man. to back you,to old.Had the same situation
    and was lucky to get free...
  41. Replies
    25
    Views
    3,025

    Did'nt Garth Dennison and Gene Blankenship start...

    Did'nt Garth Dennison and Gene Blankenship start
    Natkin Service? They were big in absorbers in Oklahoma
    city.
  42. Replies
    25
    Views
    3,025

    Almost forgot,whatever you do,don't stay at the...

    Almost forgot,whatever you do,don't stay at the
    Carrier specified hotel,H.I. DIVE.Makes a 2 week stay feel
    like your in prison or a bad dream.Stay right up the street
    at the Embassy Suites,the...
  43. Replies
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    3,025

    Garth Dennison really knew the inside of a...

    Garth Dennison really knew the inside of a cent.Took
    a class in 1986 in Toronto.
    A centrfugal is nothing more than a compressor style,
    with specific interconnecting heat exchangers.
    ...
Results 1 to 43 of 50
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