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Threads 501 to 550 of 13546

Forum: AOP Commercial HVAC

FOR EQUIPMENT OWNERS ONLY Questions and discussions regarding Commercial Buildings

  1. Sticky Thread Sticky: >>READ THIS FIRST<< NO DIY? Why NOT??

    Started by Dad, 10-31-2011 07:41 PM
    • Replies: 0
    • Views: 2,923
    Dad
    10-31-2011, 07:41 PM Go to last post

  2. Sticky Thread Sticky: A must read for all members...Who can reply to the AOP area

    Started by Dad, 10-31-2011 07:37 PM
    • Replies: 0
    • Views: 2,407
    Dad
    10-31-2011, 07:37 PM Go to last post

  1. Locating Pressure Transducer in a Condenser Water Loop?

    Started by OVOleg, 12-21-2011 07:50 PM
    1 Attachment(s)
    • Replies: 5
    • Views: 1,023
    OVOleg
    12-27-2011, 09:27 PM Go to last post

  2. How old is this 2nd unit?

    Started by Maikerum, 12-19-2011 12:51 PM
    1 Attachment(s)
    • Replies: 5
    • Views: 611
    freonguy
    12-19-2011, 04:54 PM Go to last post

  3. changing out an economizer moter

    Started by Stan the man, 12-16-2011 09:08 PM
    • Replies: 2
    • Views: 763
    Stan the man
    12-19-2011, 11:51 AM Go to last post

  4. Powerplant HVAC Failure - UPS Room Temperature Rise

    Started by InDucingPanic, 12-14-2011 09:40 PM
    • Replies: 7
    • Views: 3,098
    ACFIXR
    12-16-2011, 10:37 PM Go to last post

  5. Trane YCD151 IDM NEVER STOPS

    Started by SeanH, 12-15-2011 12:31 AM
    • Replies: 3
    • Views: 4,539
    jpsmith1cm
    12-15-2011, 08:17 PM Go to last post

  6. how to heat just to keep above freezing

    Started by garfields, 12-08-2011 08:31 AM
    • Replies: 4
    • Views: 947
    genduct
    12-15-2011, 05:16 PM Go to last post

  7. Fan Coil / Dehumidification

    Started by bbtman, 12-12-2011 05:01 PM
    • Replies: 1
    • Views: 4,078
    Dallas Duster
    12-13-2011, 08:01 PM Go to last post

  8. Liebert 3000 humidifier

    Started by blckclvr, 11-17-2011 09:18 AM
    • Replies: 3
    • Views: 4,500
    blckclvr
    12-13-2011, 10:02 AM Go to last post

  9. Question Boiler not calculating hot water

    Started by SubaruB4, 12-11-2011 06:51 PM
    • Replies: 1
    • Views: 541
    jpsmith1cm
    12-11-2011, 07:18 PM Go to last post

  10. Power Flame Burner Setup Problem

    Started by jogas, 11-16-2006 05:28 AM
    • Replies: 6
    • Views: 6,738
    hearthman
    12-11-2011, 01:03 PM Go to last post

  11. Hmm wat should i do

    Started by moncho, 12-09-2011 12:13 AM
    • Replies: 3
    • Views: 705
    emcontrols
    12-10-2011, 10:06 PM Go to last post

  12. Hmm CUSTOMER DID NOT WINTERIZE PROPERLY NOW WHAT?

    Started by hvacdoctor, 03-20-2009 12:47 PM
    • Replies: 3
    • Views: 1,134
    jpsmith1cm
    12-08-2011, 05:30 AM Go to last post

  13. Ellectronic ignition problems

    Started by Mr. Nobody, 12-06-2011 04:15 PM
    • Replies: 2
    • Views: 646
    Mr. Nobody
    12-07-2011, 05:40 PM Go to last post

  14. Trane rtu reheat problems

    Started by carman, 05-10-2010 08:25 PM
    1 Attachment(s)
    • Replies: 7
    • Views: 1,702
    jpsmith1cm
    12-07-2011, 04:46 PM Go to last post

  15. compressor changeout ( 3 phase to 1 phase )

    Started by craig andersen, 12-04-2011 08:14 PM
    • Replies: 10
    • Views: 1,015
    R123
    12-06-2011, 09:53 PM Go to last post

  16. Coil Cleaning

    Started by ascj, 12-21-2008 12:12 PM
    2 Pages •
    1 2
    • Replies: 20
    • Views: 1,999
    ascj
    12-05-2011, 05:33 PM Go to last post

  17. Partner on projects

    Started by Powertech, 12-05-2011 11:51 AM
    • Replies: 0
    • Views: 491
    Powertech
    12-05-2011, 11:51 AM Go to last post

  18. Measuring cycles

    Started by Powertech, 12-05-2011 11:38 AM
    • Replies: 0
    • Views: 441
    Powertech
    12-05-2011, 11:38 AM Go to last post

  19. Has anyone heard of Octagon?

    Started by Henson31, 11-10-2011 06:04 PM
    • Replies: 2
    • Views: 1,054
    meplumber
    12-04-2011, 08:19 PM Go to last post

  20. McQuay AVD-121B Replacement

    Started by ctechmd, 11-16-2011 06:32 PM
    • Replies: 2
    • Views: 683
    meplumber
    12-04-2011, 08:10 PM Go to last post

  21. Reliatel replacement ignition module

    Started by wvuboarder, 12-04-2011 10:28 AM
    • Replies: 1
    • Views: 520
    timebuilder
    12-04-2011, 10:41 AM Go to last post

  22. Confused Resistance heating - Single vs Three Phase

    Started by SAM73, 11-30-2011 09:50 AM
    • Replies: 5
    • Views: 1,113
    beenthere
    12-04-2011, 03:52 AM Go to last post

  23. Help to choose new Rooftop HVAC Unit

    Started by Helplease, 11-16-2011 07:37 PM
    2 Pages •
    1 2
    4 Attachment(s)
    • Replies: 15
    • Views: 1,874
    beenthere
    12-03-2011, 03:49 AM Go to last post

  24. Lennox Heat Pump Roof Top Unit.

    Started by kanodogg, 04-01-2008 03:31 PM
    • Replies: 5
    • Views: 2,852
    jpsmith1cm
    12-01-2011, 04:28 PM Go to last post

  25. Walk In Freezer Defrost Cycle Question

    Started by Maven445, 11-28-2011 07:18 PM
    • Replies: 6
    • Views: 1,317
    timebuilder
    11-29-2011, 10:06 PM Go to last post

  26. Red face Code Information

    Started by W Ahlberg, 11-27-2011 08:58 PM
    • Replies: 5
    • Views: 777
    timebuilder
    11-29-2011, 06:54 AM Go to last post

  27. LCHA25 CHILLER

    Started by melyork11, 11-28-2011 07:59 AM
    • Replies: 1
    • Views: 456
    jpsmith1cm
    11-28-2011, 06:29 PM Go to last post

  28. Modine duct gas furnace

    Started by Jbenson, 11-27-2011 11:48 AM
    • Replies: 1
    • Views: 758
    jpsmith1cm
    11-27-2011, 08:37 PM Go to last post

  29. Elevator HVAC

    Started by mcguire07, 06-24-2011 12:56 PM
    2 Pages •
    1 2
    • Replies: 15
    • Views: 2,999
    numbawunfela
    11-26-2011, 11:02 PM Go to last post

  30. design a very long exhaust air duct (300 metres)

    Started by aerojason, 09-05-2011 07:49 PM
    • Replies: 6
    • Views: 1,293
    numbawunfela
    11-26-2011, 09:34 AM Go to last post

  31. Trane Tracker displays question marks

    Started by jerryhaney, 11-23-2011 02:41 PM
    tracker, trane, voyager
    • Replies: 1
    • Views: 1,004
    jpsmith1cm
    11-24-2011, 11:13 PM Go to last post

  32. York RTU Model: D7CG060

    Started by Fixedit, 10-31-2011 11:44 AM
    2 Pages •
    1 2
    • Replies: 14
    • Views: 2,495
    catmanacman
    11-24-2011, 12:02 AM Go to last post

  33. Confused What kind of fitting is this?

    Started by uhPrintUs, 11-06-2011 09:23 PM
    1 Attachment(s)
    • Replies: 10
    • Views: 1,468
    Peztoy
    11-23-2011, 08:01 PM Go to last post

  34. herman nelson unit ventilator

    Started by iowa tech, 01-09-2010 05:21 PM
    2 Pages •
    1 2
    • Replies: 20
    • Views: 5,621
    spike1974
    11-23-2011, 04:22 PM Go to last post

  35. york chiller remote reset

    Started by globe trotter, 11-17-2010 06:23 PM
    • Replies: 8
    • Views: 1,596
    beenthere
    11-21-2011, 09:53 PM Go to last post

  36. Overhaul of centrifugal Chiller

    Started by HVAC_MY, 03-31-2011 06:06 AM
    • Replies: 9
    • Views: 3,342
    jpsmith1cm
    11-21-2011, 09:21 PM Go to last post

  37. glycol

    Started by emtim, 11-18-2011 11:41 PM
    • Replies: 6
    • Views: 725
    emtim
    11-21-2011, 05:13 PM Go to last post

  38. Question 3 days older than dirt ?

    Started by airsmith, 08-16-2009 08:44 PM
    3 Pages •
    1 2 3
    • Replies: 26
    • Views: 2,337
    double bogey
    11-21-2011, 09:28 AM Go to last post

  39. Clive

    Started by clive.macken, 11-21-2011 07:49 AM
    • Replies: 1
    • Views: 416
    Stamas
    11-21-2011, 09:11 AM Go to last post

  40. refrigerant 407c

    Started by jdecleene, 11-18-2011 11:36 AM
    • Replies: 6
    • Views: 1,008
    jdecleene
    11-21-2011, 08:54 AM Go to last post

  41. Reheating coils & duct heater

    Started by Vasja, 11-13-2011 11:16 PM
    • Replies: 5
    • Views: 921
    beenthere
    11-20-2011, 01:40 PM Go to last post

  42. Limestone Mine Split system heat pump

    Started by bobelectric, 11-20-2011 08:32 AM
    • Replies: 0
    • Views: 516
    bobelectric
    11-20-2011, 08:32 AM Go to last post

  43. Heating maintence records?

    Started by JAqu5545, 11-09-2011 06:08 PM
    • Replies: 1
    • Views: 514
    beenthere
    11-20-2011, 06:15 AM Go to last post

  44. CSST in a welding shop

    Started by Thoridheat, 11-18-2011 10:04 PM
    • Replies: 4
    • Views: 752
    Thoridheat
    11-19-2011, 05:58 PM Go to last post

  45. OA Intakes

    Started by ascj, 07-19-2011 04:41 PM
    4 Attachment(s)
    • Replies: 8
    • Views: 1,063
    randysimmons
    11-14-2011, 09:14 PM Go to last post

  46. carrier aqua snap chiller pass word

    Started by ryancbratton, 11-10-2011 06:05 PM
    • Replies: 3
    • Views: 974
    jpsmith1cm
    11-14-2011, 09:13 PM Go to last post

  47. VAV box motor type and voltage?

    Started by cfe, 11-13-2011 02:53 PM
    • Replies: 4
    • Views: 1,019
    XcelTech
    11-14-2011, 09:03 PM Go to last post

  48. Carrier 30 RBA coils and compressors

    Started by DLSC, 11-14-2011 12:28 PM
    • Replies: 0
    • Views: 695
    DLSC
    11-14-2011, 12:28 PM Go to last post

  49. Re: Heat Pump Noise (EM096-3VTC)

    Started by Soulrain, 11-11-2011 04:52 PM
    • Replies: 2
    • Views: 601
    jpsmith1cm
    11-13-2011, 04:04 PM Go to last post

  50. CFM per ton requirement for MUA units

    Started by DaikinSEMN, 11-11-2011 05:10 PM
    • Replies: 7
    • Views: 1,432
    timebuilder
    11-13-2011, 11:24 AM Go to last post
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