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  1. Metasys DAT sensor unreliable, inconsistent inputs

    Started by Shreadhead, 08-24-2021 02:45 PM
    • Replies: 8
    • Views: 5,054
    Last Post: 11-14-2023 03:13 PM
    by UnderControls  Go to last post

    Forum:
    Controls

  2. Centrifugal chiller run unload vs starts

    Started by Shreadhead, 09-25-2023 12:13 AM
    • Replies: 7
    • Views: 11,792
    Last Post: 09-25-2023 09:45 PM
    by Shreadhead  Go to last post

    Forum:
    Chillers Open Forum

  3. York yp9c ecm motor pin out

    Started by Shreadhead, 09-15-2023 08:12 PM
    1 Attachment(s)
    • Replies: 1
    • Views: 5,965
    Last Post: 09-15-2023 09:29 PM
    by jtrammel  Go to last post

    Forum:
    Tech to Tech Chat - Residential

  4. Cooling tower foamy sump/level sensor

    Started by Shreadhead, 08-31-2023 10:46 AM
    • Replies: 8
    • Views: 7,978
    Last Post: 09-01-2023 03:29 AM
    by DeltaT  Go to last post

    Forum:
    Chillers Open Forum

  5. Hot gas bypass equalizer line?

    Started by Shreadhead, 08-04-2023 09:32 PM
    • Replies: 8
    • Views: 5,019
    Last Post: 08-14-2023 07:31 PM
    by Shreadhead  Go to last post

    Forum:
    Tech to Tech Chat - Commercial

  6. Daikin McQuay wsc w/vfd condenser relief strategy

    Started by Shreadhead, 05-17-2023 10:15 AM
    2 Attachment(s)
    • Replies: 8
    • Views: 801
    Last Post: 05-17-2023 10:55 PM
    by Shreadhead  Go to last post

    Forum:
    Chillers Open Forum

  7. Orca view to enteleviz graphics update/tree

    Started by Shreadhead, 11-24-2021 08:16 AM
    • Replies: 8
    • Views: 1,713
    Last Post: 03-01-2023 03:19 PM
    by cooker38  Go to last post

    Forum:
    Controls

  8. Delta controls 3rd party rs485 net 1 or 2

    Started by Shreadhead, 02-21-2023 08:16 PM
    • Replies: 3
    • Views: 421
    Last Post: 02-24-2023 03:02 PM
    by kontrolphreak  Go to last post

    Forum:
    Controls

  9. Ecm motor questions

    Started by Shreadhead, 01-28-2023 08:57 PM
    • Replies: 2
    • Views: 1,067
    Last Post: 01-29-2023 12:05 PM
    by TechmanTery  Go to last post

    Forum:
    Tech to Tech Chat - Residential

  10. Carrier infinity zoning airflow TESP

    Started by Shreadhead, 01-18-2023 06:17 PM
    • Replies: 0
    • Views: 291
    Last Post: 01-18-2023 06:17 PM
    by Shreadhead  Go to last post

    Forum:
    Tech to Tech Chat - Commercial

  11. Aerco modulex e200 error

    Started by Shreadhead, 09-20-2022 05:30 PM
    • Replies: 3
    • Views: 2,076
    Last Post: 12-28-2022 10:39 PM
    by bentleyball  Go to last post

    Forum:
    Tech to Tech Chat - Commercial

  12. City multi pqry 4 way valve replacement

    Started by Shreadhead, 08-18-2022 03:17 PM
    • Replies: 0
    • Views: 906
    Last Post: 08-18-2022 03:17 PM
    by Shreadhead  Go to last post

    Forum:
    Tech to Tech Chat - Commercial

  13. Pump head/velocity pressure

    Started by Shreadhead, 06-24-2022 11:09 PM
    • Replies: 5
    • Views: 855
    Last Post: 07-07-2022 04:29 PM
    by Shreadhead  Go to last post

    Forum:
    Tech to Tech Chat - Commercial

  14. Oiled centrifugal inverted start

    Started by Shreadhead, 06-15-2022 08:36 PM
    • Replies: 10
    • Views: 860
    Last Post: 06-17-2022 08:38 AM
    by ehsx  Go to last post

    Forum:
    Chillers Open Forum

  15. Vfd pump, end of line differential and bypass control strategy

    Started by Shreadhead, 06-08-2022 06:55 PM
    1 Attachment(s)
    • Replies: 16
    • Views: 1,174
    Last Post: 06-09-2022 10:05 PM
    by Shreadhead  Go to last post

    Forum:
    Controls

  16. Mitsubishi city multi opening fusible plug

    Started by Shreadhead, 04-12-2022 09:48 PM
    • Replies: 16
    • Views: 1,949
    Last Post: 04-14-2022 02:37 PM
    by Shreadhead  Go to last post

    Forum:
    Tech to Tech Chat - Commercial

  17. Delta controls data link network fault

    Started by Shreadhead, 03-23-2022 05:02 PM
    • Replies: 1
    • Views: 492
    Last Post: 03-24-2022 09:36 AM
    by Shreadhead  Go to last post

    Forum:
    Controls

  18. Delta controls udp/ip configuration

    Started by Shreadhead, 01-04-2022 01:33 PM
    • Replies: 8
    • Views: 1,717
    Last Post: 01-10-2022 09:33 AM
    by Shreadhead  Go to last post

    Forum:
    Controls

  19. Ammonia/rink training

    Started by Shreadhead, 12-07-2021 11:26 AM
    • Replies: 6
    • Views: 1,310
    Last Post: 12-13-2021 12:44 PM
    by Shreadhead  Go to last post

    Forum:
    Refrigeration & Ice Making

  20. Delta controls network issue

    Started by Shreadhead, 12-09-2021 04:24 PM
    • Replies: 5
    • Views: 2,620
    Last Post: 12-13-2021 12:42 PM
    by Shreadhead  Go to last post

    Forum:
    Controls

  21. Scroll tilt angle limit

    Started by Shreadhead, 11-18-2021 07:58 PM
    2 Pages •
    1 2
    4 Attachment(s)
    • Replies: 22
    • Views: 3,665
    Last Post: 11-24-2021 09:08 AM
    by lions_lair  Go to last post

    Forum:
    Tech to Tech Chat - Commercial

  22. Oem Copeland scroll compressor

    Started by Shreadhead, 11-08-2021 09:26 PM
    2 Pages •
    1 2
    • Replies: 21
    • Views: 3,289
    Last Post: 11-09-2021 01:52 PM
    by Shreadhead  Go to last post

    Forum:
    Tech to Tech Chat - Commercial

  23. McQuay PEH 050 oil loss

    Started by Shreadhead, 09-27-2021 05:02 PM
    • Replies: 14
    • Views: 2,464
    Last Post: 10-07-2021 08:01 AM
    by ehsx  Go to last post

    Forum:
    Chillers Open Forum

  24. Flow balancing manifold on a budget

    Started by Shreadhead, 09-17-2021 12:46 PM
    1 Attachment(s)
    • Replies: 13
    • Views: 1,607
    Last Post: 09-19-2021 04:03 PM
    by Shreadhead  Go to last post

    Forum:
    Tech to Tech Chat - Commercial

  25. City multi pqry-p96t alarm 1301 low refrigerant

    Started by Shreadhead, 07-16-2021 02:41 PM
    • Replies: 8
    • Views: 1,469
    Last Post: 08-07-2021 02:32 PM
    by 71CHOPS  Go to last post

    Forum:
    Tech to Tech Chat - Commercial

  26. Water velocity too high for heat transfer

    Started by Shreadhead, 08-06-2021 09:45 AM
    • Replies: 11
    • Views: 3,592
    Last Post: 08-07-2021 12:38 PM
    by causa  Go to last post

    Forum:
    Tech to Tech Chat - Commercial

  27. Mitsubishi city multi cms-mng

    Started by Shreadhead, 07-06-2021 09:40 AM
    • Replies: 7
    • Views: 2,433
    Last Post: 08-04-2021 05:52 PM
    by Shreadhead  Go to last post

    Forum:
    Tech to Tech Chat - Commercial

  28. Leaking ball valve

    Started by Shreadhead, 06-29-2021 01:10 PM
    2 Attachment(s)
    • Replies: 3
    • Views: 1,407
    Last Post: 06-29-2021 02:50 PM
    by 71CHOPS  Go to last post

    Forum:
    Tech to Tech Chat - Commercial

  29. York yp9c blower issue

    Started by Shreadhead, 05-27-2021 01:49 PM
    • Replies: 8
    • Views: 2,459
    Last Post: 05-29-2021 08:48 PM
    by flanders  Go to last post

    Forum:
    Tech to Tech Chat - Residential

  30. Parental leave

    Started by Shreadhead, 02-28-2021 11:45 AM
    4 Pages •
    1 2 3 4
    • Replies: 67
    • Views: 10,059
    Last Post: 03-06-2021 10:54 PM
    by thatguy  Go to last post

    Forum:
    General Discussion

  31. Honeywell W7459a1001 mixed air sensor

    Started by Shreadhead, 03-01-2021 09:54 PM
    • Replies: 5
    • Views: 1,433
    Last Post: 03-02-2021 10:01 PM
    by Shreadhead  Go to last post

    Forum:
    Tech to Tech Chat - Commercial

  32. Fieldpiece SVG3 Issues

    Started by Shreadhead, 01-31-2016 12:32 PM
    • Replies: 16
    • Views: 9,947
    Last Post: 08-06-2020 08:29 AM
    by Big Ben  Go to last post

    Forum:
    Tools & Test Equipment

  33. York YLAA bad battery

    Started by Shreadhead, 08-04-2020 09:31 PM
    • Replies: 5
    • Views: 1,310
    Last Post: 08-05-2020 07:57 PM
    by 71CHOPS  Go to last post

    Forum:
    Chillers Open Forum

  34. Sight glass flashing high load

    Started by Shreadhead, 07-30-2020 11:28 PM
    2 Pages •
    1 2
    • Replies: 20
    • Views: 6,012
    Last Post: 08-01-2020 06:59 PM
    by ehsx  Go to last post

    Forum:
    Tech to Tech Chat - Commercial

  35. Flexible vent question

    Started by Shreadhead, 09-29-2019 05:24 PM
    • Replies: 1
    • Views: 5,521
    Last Post: 10-01-2019 08:51 AM
    by Shreadhead  Go to last post

    Forum:
    Fireplaces

  36. Mechanical air inlet supply

    Started by Shreadhead, 05-20-2019 07:02 PM
    • Replies: 0
    • Views: 776
    Last Post: 05-20-2019 07:02 PM
    by Shreadhead  Go to last post

    Forum:
    Tech to Tech Chat - Residential

  37. ICE htdm1000

    Started by Shreadhead, 01-07-2019 10:09 PM
    • Replies: 2
    • Views: 1,390
    Last Post: 01-21-2019 09:21 PM
    by Shreadhead  Go to last post

    Forum:
    Tech to Tech Chat - Commercial

  38. Cold weather manometer

    Started by Shreadhead, 12-06-2018 08:53 PM
    • Replies: 10
    • Views: 1,998
    Last Post: 12-10-2018 09:19 PM
    by Shreadhead  Go to last post

    Forum:
    Tools & Test Equipment

  39. York ylaa

    Started by Shreadhead, 11-23-2018 10:57 PM
    • Replies: 5
    • Views: 1,945
    Last Post: 11-24-2018 06:29 PM
    by jayguy  Go to last post

    Forum:
    Chillers Open Forum

  40. Sporlan threaded sight glass leaks

    Started by Shreadhead, 09-05-2018 10:43 PM
    • Replies: 11
    • Views: 2,857
    Last Post: 09-22-2018 02:52 PM
    by EugeneTheJeep  Go to last post

    Forum:
    Tech to Tech Chat - Commercial

  41. Weighing 250 and 1000lb recovery cylinders

    Started by Shreadhead, 08-10-2018 02:42 PM
    • Replies: 6
    • Views: 1,343
    Last Post: 08-12-2018 10:16 AM
    by 71CHOPS  Go to last post

    Forum:
    Tech to Tech Chat - Commercial

  42. Vacuum speed vs connection size

    Started by Shreadhead, 05-20-2018 12:06 PM
    3 Pages •
    1 2 3
    3 Attachment(s)
    • Replies: 48
    • Views: 8,618
    Last Post: 07-04-2018 11:04 PM
    by hvacskills  Go to last post

    Forum:
    Tech to Tech Chat - Commercial

  43. Vacuum pump oil moisture

    Started by Shreadhead, 04-30-2018 10:02 PM
    • Replies: 10
    • Views: 2,512
    Last Post: 05-17-2018 05:31 PM
    by Olivero  Go to last post

    Forum:
    Tech to Tech Chat - Commercial

  44. Ridgid 700 nipple

    Started by Shreadhead, 04-20-2018 12:05 AM
    • Replies: 6
    • Views: 3,880
    Last Post: 04-30-2018 12:52 AM
    by Shreadhead  Go to last post

    Forum:
    Tools & Test Equipment

  45. True t-49f cap tube replacement

    Started by Shreadhead, 06-07-2017 11:35 PM
    • Replies: 6
    • Views: 4,449
    Last Post: 06-08-2017 10:36 PM
    by drage93  Go to last post

    Forum:
    Refrigeration & Ice Making

  46. Inlet gas pressure

    Started by Shreadhead, 03-22-2017 12:12 AM
    • Replies: 8
    • Views: 3,865
    Last Post: 04-01-2017 04:32 AM
    by thump_rrr  Go to last post

    Forum:
    Tech to Tech Chat - Commercial

  47. Axial vs forward curve vs backwards incline

    Started by Shreadhead, 01-25-2017 09:41 PM
    1 Attachment(s)
    • Replies: 9
    • Views: 2,610
    Last Post: 01-27-2017 04:42 PM
    by CHAINIK  Go to last post

    Forum:
    Tech to Tech Chat - Commercial

  48. Magnetic refrigeration thoughts?

    Started by Shreadhead, 10-19-2016 02:32 PM
    • Replies: 19
    • Views: 2,647
    Last Post: 10-27-2016 09:19 AM
    by Nuclrchiller  Go to last post

    Forum:
    General Discussion

  49. Digital guage for pressure test?

    Started by Shreadhead, 08-16-2016 01:11 AM
    3 Pages •
    1 2 3
    1 Attachment(s)
    • Replies: 40
    • Views: 9,555
    Last Post: 08-24-2016 10:04 PM
    by Shreadhead  Go to last post

    Forum:
    Tools & Test Equipment

  50. 407c compressor in r22 unit

    Started by Shreadhead, 05-05-2016 08:10 PM
    • Replies: 15
    • Views: 11,897
    Last Post: 05-07-2016 07:56 AM
    by ga-hvac-tech  Go to last post

    Forum:
    Tech to Tech Chat - Residential

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