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  1. Replies
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    1,809

    sounds like the plug is removed. check the board,...

    sounds like the plug is removed. check the board, the led will blink when your in test mode
  2. Replies
    7
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    992

    min. air for electric heat

    Hi fellas, does anyone know the rule of thumb for min. air for an electric heat in a v a v box? mfgr posts a min fpm on the box of 0625. thanks in advance
  3. Thread: daytona

    by oldtimer2
    Replies
    3
    Views
    488

    daytona

    I know this has nothing to do with hvac but, does anyone know how long it takes to get from orlando to daytona on race morning ?
  4. Thread: stafa

    by oldtimer2
    Replies
    1
    Views
    473

    stafa

    Hi guys, Anyone know where I can get a Stafa o/air sensor in the Philadelphia area? I have no specs other than this FWTIG or FWT1G. It sits in an enclosure about the size a hockey puck. Thanks in...
  5. Thread: trane tracer

    by oldtimer2
    Replies
    3
    Views
    403

    trane tracer

    Hello All,
    First I would like to say I am not a computer tech.!! I have a Trane Tracer system. 2 intellapaks with comm failure alarms. also went I went to the front end I could not see any...
  6. Thread: G E profile

    by oldtimer2
    Replies
    2
    Views
    879

    Its new out of the box !!!

    Its new out of the box !!!
  7. Thread: G E profile

    by oldtimer2
    Replies
    2
    Views
    879

    G E profile

    Hi guys, I didn't know where to post this, I thought there was an appliance forum. I have a GE profile ( don't have mod & ser # at this time ) gas fired. when I use the oven or range top I smell...
  8. Replies
    19
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    2,061

    i just had the kid call me. Liebert going off on...

    i just had the kid call me. Liebert going off on internal overload. cooled it off and has-320 head 95 amb. 18-20 subcool 280 discharge temp. I think its over charged. Does 8-10 s.c. and 18-20 s.h....
  9. Replies
    17
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    11,295

    So. I could turn the heat on and get delta T and...

    So. I could turn the heat on and get delta T and use-btu output x 1.08 /delta T to obtain CFM, then use CFM /area of coil in sqft. to obtain face velocity in FPM. Under 350 should be good ?
  10. Replies
    17
    Views
    11,295

    Thanks Klove, as always your responses are very...

    Thanks Klove, as always your responses are very informative and professional
  11. Replies
    4
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    545

    I thought it was the leak issue. I tried the 2x4...

    I thought it was the leak issue.
    I tried the 2x4 several times.
  12. Replies
    17
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    11,295

    I thought you could use pressure drop and coil...

    I thought you could use pressure drop and coil dimensions
    face velocity= square root of p.d. /face dimensions x 4005 ??????
    I can't remember !!!
    coil=4ft x 3.5ft p.d. =.4"wc
  13. Replies
    4
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    545

    Danfoss compressors

    anyone know what the quality issue Danfoss is having with there scroll comps.I tried to get a comp. from Carrier today, said they could not get it for 3 weeks !!! So I tried United, they called...
  14. Replies
    17
    Views
    11,295

    face velocity formula

    Hello all,
    I am having a problem with condensate carry-over, I washed the coil, replaced belts and filters, checked the duct work. I wanted to check face velocity but I couldn't remember formula....
  15. Replies
    9
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    810

    Tried that, did not help much

    Tried that, did not help much
  16. Replies
    9
    Views
    810

    Bryant mod-588ANW036100ADAF ser-3895G80567

    Bryant
    mod-588ANW036100ADAF
    ser-3895G80567
  17. Replies
    9
    Views
    810

    bryant rtu low air flow

    Hi fellas, I was working on a Bryant rtu today. low air flow I had an air hood on my truck from another job so I read the diffusers. 3 ton machine with 9 hits total is 744 cfm !!! So I pulled the top...
  18. Replies
    1
    Views
    1,847

    trane start-up report

    Does anyone have a Trane start-up report for a 40 ton split system? JAUC I think. Installers took the paper work, again
  19. Replies
    25
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    1,894

    Matt, Have you calculated your tonnage of the...

    Matt, Have you calculated your tonnage of the wshp's? Are the hoa switches on the pumps starters in hand or auto? If in hand turn them to auto. see if one of the pumps goes off. If it does you may...
  20. Replies
    22
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    3,228

    I think M-Tech has your answer, the roll-out...

    I think M-Tech has your answer, the roll-out switch, jump it out and see what happens. Your flame rod has to the furthest from your pilot supply, put the flame sensor and the ignitor back the way you...
  21. Replies
    16
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    9,636

    Anyone know how long a heat recovery wheel should...

    Anyone know how long a heat recovery wheel should last? Is there a time when the wheel starts to loose it's efficiency? I have 3 Aaon's with recovery wheels about 7 years old, client was asking how...
  22. Replies
    3
    Views
    843

    Bacharach 'INSIGHT' iT'S OK, I haven't used it...

    Bacharach 'INSIGHT' iT'S OK, I haven't used it enough to form an opinion. Check back in a couple weeks.
  23. Replies
    4
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    649

    Depends, was the power left on to the units? Was...

    Depends, was the power left on to the units? Was the gas shut off to the units? Do the units lock-out after so many failed ignitions? Are the induced draft motors open or siezed or grounded? Make and...
  24. Replies
    3
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    843

    combustion analyzer

    I finnally got a combustion analyzer on my truck. Yes we have several in our service dept., but never had it when I needed it. I tried it on gas fired boiler , wow, opened a whole new world to me....
  25. Replies
    2
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    571

    bacharch insight

    Hello all, I purchased a Bacharch Insight combustion analyzer.I have a few questions on the set up.
    1- O2 reference- the measured value of CO can be referenced to a specific O2 percentage of 0% to...
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