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  1. Thread: capture velocity

    by dfelt
    Replies
    3
    Views
    432

    Thanks Superfittertech.I was able to check on a...

    Thanks Superfittertech.I was able to check on a lot of info. Regarding the same myself.Went through a lot of my old SAIT notes,etc.You know how it,s some kind of Murphy law that when you need...
  2. Thread: capture velocity

    by dfelt
    Replies
    3
    Views
    432

    capture velocity

    In a facility kitchen having wall and island type exh.hoods;where exactly is capture velocity to be measured?At filter bank inlet or at even with base of hoods?
    Also should I see a figure of 100...
  3. Replies
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    462

    Re:Trane guy at the factory.The qualifier is a...

    Re:Trane guy at the factory.The qualifier is a "closed system".We have a non garden variety hair puller leak(s).Dye can certainly help. I suppose if you are a draw a line in the sand purist type then...
  4. Replies
    8
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    462

    I,ll give a cple instances where dye...

    I,ll give a cple instances where dye shines(pardon the pun).Dairy barn where high concentration of natural methane turns coils into swiss cheese.You think you,ve got it pegged with/electronic...
  5. Thread: Leak Lock

    by dfelt
    Replies
    37
    Views
    4,074

    How about double jeopardy with a leak lock flare...

    How about double jeopardy with a leak lock flare fitting on a txv(which happened to be leaking here anyway)encased with that GD rubberised cork tape over both the txv and sensing bulb left to age...
  6. Thread: Trane rtac

    by dfelt
    Replies
    1
    Views
    604

    Trane rtac

    Is it corrrect that allowable pressure drop for a liquid filter/drier for r-22 is 2 degrees F or 3 psi?Actually is this the same for r-134a for said chiller too?
  7. Replies
    12
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    2,734

    By the date I see probably resolved one way or...

    By the date I see probably resolved one way or another but I was going to say that sometimes the high limit capillary tube can touch against the element and of course would overheat.Does this model...
  8. Replies
    17
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    4,102

    What actual measured value is the run cap?If is...

    What actual measured value is the run cap?If is shy by 10percent should rep.w/new.Remember these are mass produced and if voltage spikes happen they can bulge or leak electrolyte.Urban legend has it...
  9. Replies
    5
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    1,801

    Ejbreeze....Ahem,Yes ,exactly as you said.It...

    Ejbreeze....Ahem,Yes ,exactly as you said.It became very apparrent once I undid the undercounter clamps.The outside sleeve comes right up to the top and seperates from inside sleeve and yes the drain...
  10. Replies
    5
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    1,801

    The infinite sw.had a vastly different ohmic...

    The infinite sw.had a vastly different ohmic value compared to identical unit in same kitchen @same setting[value on elements were same]
  11. Replies
    5
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    1,801

    Volrath soup well

    Have a mn#36464-10,120 volt "Volrath"soup well to change the infinite switch c/w capillary and bulb.
    Anybody ever done?The capillary tube goes up into between the outer and inner stainless...
  12. A good test of your abilities would be say on a...

    A good test of your abilities would be say on a rtu @minus 35 deg.w/a howling wind in the dark and a commercial bldg. on it's way to collateral damage.
    As someone eluded to earlier,work on the...
  13. Replies
    9
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    2,227

    Thanks for the replies gents.Now that I,m...

    Thanks for the replies gents.Now that I,m aware,won't beat the bejeezus out of the pc with a feather hammer anymore.
  14. Replies
    9
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    2,227

    cool quiz marking

    Today was a question re:who was the babt ruth cany bar named for?

    My answer was President Grover Clevelands daughter.This was marked wrong as the site had my answer shown as the same with the...
  15. Replies
    18
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    2,697

    nurselaurie,on large industrial apps.that have...

    nurselaurie,on large industrial apps.that have history of bulging/burst capacitors is a flag for imbalanced elec.panels that can result in spikes or out of tolerance power.To tend to this ,phase...
  16. Replies
    5
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    1,726

    Glad to hear that Snorkel is working good...

    Glad to hear that Snorkel is working good now.I've worked on them before and trying to recall if the pilot gas uses a little tapered needle valve as I recall taking apart and aside from cleaning...
  17. Replies
    14
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    3,594

    I'm wondering if indeed is a switch disconnect or...

    I'm wondering if indeed is a switch disconnect or a removable fuse block type for the condensing unit.If it is a pull type fuse block think before you would ever remove while under load.Who knows,if...
  18. Replies
    317
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    27,100

    Mr.William Antley,I'm that side of 50 and not...

    Mr.William Antley,I'm that side of 50 and not long ago finished last yr.of A/C and Refrig.Mech.Went to school w/kids younger than my son{generational gap but enjoyed}Aside from bosses son...
  19. Thread: New Install

    by dfelt
    Replies
    26
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    2,010

    Can't really see in pics but is that system636...

    Can't really see in pics but is that system636 pvc?At my location inspectors like to see evidence of primer{you know ,the purple crap that can end up all over}reason is becaus there was an allinone...
  20. Thread: New Install

    by dfelt
    Replies
    26
    Views
    2,010

    Looks great ,not to knock but wondering what will...

    Looks great ,not to knock but wondering what will happen in winter when vent exhaust leaves an icesicle by the window?The horizontal portion of exhaust is backgraded fr.outside to the furnace i'm...
  21. Replies
    0
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    1,016

    roof penetration flub

    Would like to have been a fly on the RTU to watch the look on this installers {notice I didn,t say "technician"}face when he finished.Did he try to open the door,did he care?
    Sidenote:the outfit...
  22. Replies
    11
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    1,025

    museum humidity

    Can you find info.to check hygrometer specs.?
  23. Replies
    11
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    1,025

    museum humidity

    I'm with a cple of others in that I think you have bldg/vapour barrier issues.The humidifier should have a controller which incl.humidity setpoint as well as high/low enable points.
    I would think...
  24. Replies
    49
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    3,282

    stories

    Mr.dmaccgrad11...this is morphing into a little different but 20 yr.ago met one of Canada's last ww1 war heroes on a call.He was 5 yrs.younger than God but I remember when he shook my hand I had to...
  25. Replies
    49
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    3,282

    don't do these don'ts

    Someone I knew real well Ahem,unplugged a chest freezer at a resi. install to temporarily plug in ext.cord{i'll remember right?}$400 later....oops.

    Service work at restaurants: think twice...
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