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Forum: AOP Commercial HVAC

FOR EQUIPMENT OWNERS ONLY Questions and discussions regarding Commercial Buildings

  1. Sticky Thread Sticky Threads

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

    Started by Dad, 10-31-2011 07:41 PM
    • Replies: 0
    • Views: 9,313
    10-31-2011, 07:41 PM Go to last post
    • Replies: 0
    • Views: 8,125
    10-31-2011, 07:37 PM Go to last post
  1. Normal Thread Normal Threads

  2. Need a Thermostat

    Started by ascj, 03-09-2011 06:21 PM
    • Replies: 5
    • Views: 990
    03-10-2011, 01:37 AM Go to last post
  3. Question CAREL Mtr Protector resistance values

    Started by mrhvacmechanic, 03-08-2011 10:44 PM
    • Replies: 3
    • Views: 731
    03-10-2011, 01:11 AM Go to last post
  4. VAV K-Factor

    Started by leoxxl, 03-09-2011 11:20 PM
    • Replies: 1
    • Views: 1,099
    03-10-2011, 12:45 AM Go to last post
  5. Frown Hole in Scroll Housing

    Started by ReferTek, 03-09-2011 12:09 AM
    carrier, copeland, leak, scroll
    • Replies: 6
    • Views: 2,150
    03-09-2011, 11:58 PM Go to last post
  6. Obsolete?

    Started by airpro71, 03-05-2011 08:26 PM
    • Replies: 5
    • Views: 1,040
    03-09-2011, 10:38 PM Go to last post
  7. Yokagawa GE Leak Detector H-10 G

    Started by al o, 03-07-2011 06:31 PM
    • Replies: 3
    • Views: 1,155
    03-09-2011, 07:53 PM Go to last post
  8. Enviro Tech

    Started by ascj, 02-28-2011 06:25 PM
    • Replies: 9
    • Views: 3,108
    03-09-2011, 04:29 PM Go to last post
  9. WaterFurnace Heat Pump Woes

    Started by blabath, 02-24-2011 01:28 AM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,680
    03-09-2011, 01:36 PM Go to last post
  10. Repeated broken hot surface ignitors on Lochinvar

    Started by Lugs, 01-08-2010 06:50 PM
    2 Pages
    1 2
    • Replies: 22
    • Views: 7,020
    03-09-2011, 11:58 AM Go to last post
  11. Question 22 substitutes

    Started by Randy S., 03-05-2011 08:42 PM
    • Replies: 9
    • Views: 2,113
    03-09-2011, 06:18 AM Go to last post
  12. Average KW/hr calculation on Trane Voyager 25 Tons

    Started by atamai, 03-01-2011 12:53 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 3,090
    03-08-2011, 03:50 PM Go to last post
  13. Molex plug tools

    Started by Dilp172, 03-04-2011 03:05 PM
    • Replies: 4
    • Views: 1,440
    03-08-2011, 12:59 PM Go to last post
  14. Carrier "Comfort View" HVAC control software

    Started by bwd111, 03-07-2011 06:23 PM
    • Replies: 2
    • Views: 2,081
    03-08-2011, 11:17 AM Go to last post
  15. Confused Carrier 50TJ low voltage Issue

    Started by coolitdown, 03-07-2011 09:33 PM
    • Replies: 3
    • Views: 1,624
    03-08-2011, 08:31 AM Go to last post
  16. propane applications

    Started by hvac1966, 01-25-2011 06:10 PM
    2 Pages
    1 2
    • Replies: 21
    • Views: 1,923
    03-07-2011, 07:52 PM Go to last post
  17. control voltage transformer nuisance tripping

    Started by carwel, 02-14-2011 09:19 PM
    • Replies: 6
    • Views: 3,075
    03-07-2011, 09:00 AM Go to last post
  18. Liebert Mini Mate and Humidity Issues

    Started by turbo50mike, 03-05-2011 10:56 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 3,474
    03-06-2011, 02:37 PM Go to last post
  19. w 7100a Discharge air controller

    Started by james mo, 09-15-2008 04:44 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 2,114
    03-06-2011, 10:14 AM Go to last post
    • Replies: 9
    • Views: 3,297
    03-05-2011, 11:32 PM Go to last post
  20. Cleaver Brooks CBH

    Started by Clauster, 02-14-2011 10:08 PM
    • Replies: 6
    • Views: 1,700
    03-05-2011, 11:24 PM Go to last post
  21. Carrier 30GT-080 Chiller controls question

    Started by elvis66, 03-02-2011 05:59 PM
    • Replies: 3
    • Views: 2,136
    03-04-2011, 10:09 PM Go to last post
  22. Servicing R11 and R134a Machines

    Started by Catfly, 02-17-2011 12:36 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,730
    03-04-2011, 09:02 PM Go to last post
  23. Propylene or ethylene glycol?

    Started by hvac n-j-near, 11-30-2010 03:23 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 4,913
    03-03-2011, 10:33 PM Go to last post
  24. ICP 15 Ton Keeps blowing fuses

    Started by dagarair, 02-26-2011 11:50 AM
    • Replies: 9
    • Views: 1,821
    03-03-2011, 10:20 PM Go to last post
  25. 3 phase Vs single phase package unit

    Started by gevans, 03-02-2011 04:34 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 5,984
    03-03-2011, 10:20 PM Go to last post
    • Replies: 1
    • Views: 653
    03-03-2011, 10:10 PM Go to last post
  26. heater contactor always closed

    Started by guysmilely, 01-27-2011 10:25 PM
    • Replies: 8
    • Views: 1,256
    03-03-2011, 08:33 PM Go to last post
  27. Removal of Copeland compressor sight glass

    Started by Joelfu27, 03-03-2011 12:55 PM
    • Replies: 4
    • Views: 2,503
    03-03-2011, 04:00 PM Go to last post
  28. Confused Subcooling- proper measurement

    Started by Mikeymoe, 03-01-2011 11:48 AM
    • Replies: 12
    • Views: 9,613
    03-03-2011, 01:02 PM Go to last post
  29. oem vs. remanufactured compressors

    Started by jabeu, 02-18-2011 11:21 PM
    • Replies: 9
    • Views: 1,915
    03-02-2011, 11:22 PM Go to last post
  30. Question Any Rack Tech Convert to Chiller Techs?

    Started by 94blowncobra, 03-02-2011 09:55 PM
    • Replies: 0
    • Views: 499
    03-02-2011, 09:55 PM Go to last post
  31. Hot leg

    Started by airdocc, 03-03-2009 09:01 PM
    5 Pages
    1 2 3 4 5
    • Replies: 56
    • Views: 6,136
    03-02-2011, 09:01 PM Go to last post
  32. Brushing Tubes

    Started by gary254, 05-21-2009 05:13 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 2,461
    03-02-2011, 04:46 PM Go to last post
  33. Ice in cooling tower

    Started by incontrol, 12-12-2010 06:05 PM
    • Replies: 10
    • Views: 2,826
    03-02-2011, 04:01 PM Go to last post
  34. Question Trane Model Question

    Started by coffee4me, 08-18-2006 09:10 AM
    • Replies: 3
    • Views: 4,722
    03-02-2011, 01:32 PM Go to last post
    • Replies: 3
    • Views: 995
    03-02-2011, 01:16 AM Go to last post
  35. cleaver brooks mcf 750 venting

    Started by james mo, 02-02-2011 08:36 PM
    • Replies: 1
    • Views: 1,384
    03-01-2011, 10:12 PM Go to last post
  36. Commercial Hot Water boiler leak

    Started by zeppy, 02-11-2011 11:11 PM
    • Replies: 4
    • Views: 1,199
    03-01-2011, 10:00 PM Go to last post
  37. Missing the Chiller Forum already!!

    Started by PortaChill, 03-01-2011 08:03 PM
    • Replies: 2
    • Views: 768
    03-01-2011, 09:33 PM Go to last post
  38. Raypak Hi Delta HHW Variable Primary

    Started by QrtrDmNklPny, 02-22-2011 01:53 AM
    • Replies: 3
    • Views: 1,092
    03-01-2011, 09:30 PM Go to last post
  39. Building owner needs suggestions

    Started by Vaayaduct, 02-22-2011 01:43 PM
    • Replies: 5
    • Views: 963
    03-01-2011, 09:21 PM Go to last post
  40. Steam boilers

    Started by HvAckid82, 02-23-2011 08:29 PM
    • Replies: 4
    • Views: 939
    03-01-2011, 09:14 PM Go to last post
  41. 3 Pipe Unit Ventilators

    Started by MHall, 01-09-2011 03:10 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 3,333
    03-01-2011, 07:27 PM Go to last post
  42. solaronics radiant heaters

    Started by iceage, 03-01-2011 05:50 PM
    • Replies: 2
    • Views: 1,014
    03-01-2011, 07:10 PM Go to last post
  43. NFPA help

    Started by atufano, 02-26-2011 12:19 AM
    • Replies: 7
    • Views: 1,093
    03-01-2011, 01:33 PM Go to last post
  44. Trane RAUCC40GBG13ABD1

    Started by chill67, 02-15-2011 09:15 PM
    • Replies: 9
    • Views: 1,594
    03-01-2011, 10:08 AM Go to last post
    • Replies: 0
    • Views: 796
    03-01-2011, 07:56 AM Go to last post
  45. Confused REASON OF SMOKE IN CHW FAN COIL UNIT

    Started by melbetar, 02-28-2011 04:44 AM
    • Replies: 10
    • Views: 1,549
    03-01-2011, 07:12 AM Go to last post
  46. Burnham Apex Boiler

    Started by al o, 02-28-2011 08:29 PM
    • Replies: 2
    • Views: 1,435
    02-28-2011, 09:16 PM Go to last post
  47. proliphix thermostat with Trane RTU 25 tons

    Started by atamai, 02-28-2011 06:14 PM
    • Replies: 1
    • Views: 745
    02-28-2011, 09:03 PM Go to last post

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