Search:

Type: Posts; User: mark_ballard

Page 1 of 2 1 2

Search: Search took 0.01 seconds.

  1. Here ya go

    Here ya go
  2. Replies
    11
    Views
    1,088

    Sounds like the ignitor is not picking up the...

    Sounds like the ignitor is not picking up the flame. After ignition and approximately 10 seconds of burning, the ignitor turns into a flame rectifier. The control module can be bad or, if the...
  3. Replies
    5
    Views
    585

    With a load on the unit, the new compressor will...

    With a load on the unit, the new compressor will bring back oil in the evap. So, adjust as needed once it has run awhile. Ensure the CCH is working. If the unit is setup with pumpdown on it, cycling...
  4. Check pages 7 and 8

    381591
  5. Replies
    4
    Views
    660

    If you have Rover

    An MP581 can be used stand alone.
  6. You will have to control it by mixed air temp.,...

    You will have to control it by mixed air temp., ensuring that the mixed air sensor is not situated close to the heating coil (if it has one). Also, you will have to make your minimum 0% when...
  7. Replies
    11
    Views
    801

    Try Kele.com

    Try Kele.com
  8. Replies
    26
    Views
    3,023

    TR200 (Danfoss Drive) has the filtering in it...

    TR200 (Danfoss Drive) has the filtering in it that prevents bearing fluting. Most other brands it is an option you have to order seperately.
  9. Replies
    30
    Views
    3,267

    You defenitely should put drives on your fans....

    You defenitely should put drives on your fans. Then use a temp controller to ramp the fans speed up or down to control water temp. Your chiller will defenitely be happier with a steady water temp...
  10. Replies
    27
    Views
    16,650

    I agree with Lafittejdubb on the leak through....

    I agree with Lafittejdubb on the leak through. Have seen it a few times myself. Also, did they load this end of the server room more so than the rest? Have seen that a few times as well.
    Also,...
  11. Replies
    42
    Views
    4,557

    The valves are the same. They have a cap with an...

    The valves are the same. They have a cap with an o-ring in it instead of a handle. You open with a crescent wrench and then put the cap on. My question is, if there is no flange leak, then why not...
  12. Replies
    42
    Views
    4,557

    We have had several leak. The problem is that...

    We have had several leak. The problem is that they do not want to change them proactively. You have to wait until they leak, knowing that sooner or later they will.
  13. Replies
    2
    Views
    636

    sounds like it doesn't have enough voltage to...

    sounds like it doesn't have enough voltage to pull in but has enough to stay in. Is it using a conventional stat? If so, how long a wire run and what gauge t-stat wire.
  14. Replies
    4
    Views
    2,236

    This is actually an RAUBC by the serial number....

    This is actually an RAUBC by the serial number. See if the attached help.
  15. Replies
    9
    Views
    1,111

    Set up a discharge reset off of the average space...

    Set up a discharge reset off of the average space temp.
  16. Replies
    1
    Views
    2,736

    177712 177722 177732 Hope these help

    177712

    177722

    177732

    Hope these help
  17. Possible pressure issues. Is there anything on...

    Possible pressure issues. Is there anything on floors 2 and 3 that would warrant not having return come back( i.e.labs)? Otherwise, sounds like a FUBAR.
  18. Replies
    8
    Views
    1,318

    is the space in a negative pressure?

    is the space in a negative pressure?
  19. Replies
    11
    Views
    828

    If it is the stat with the numbers (1,2,3,etc)...

    If it is the stat with the numbers (1,2,3,etc) instead of Y,H,G then it dictates mode by resistance. It cannot be jumped out at the stat if that type.
  20. Replies
    10
    Views
    1,598

    Read this sequence and see if it helps

    Read this sequence and see if it helps
  21. Replies
    10
    Views
    1,598

    go in thorugh HI and enter test mode there. Wish...

    go in thorugh HI and enter test mode there. Wish I was in Texas. 5 degrees this morning in KY!! YUCK!
  22. Replies
    10
    Views
    1,598

    you're thinking of a voyager.

    you're thinking of a voyager.
  23. Replies
    19
    Views
    3,358

    Please let us know what they find.

    Please let us know what they find.
  24. VFDs on AHUs or pumps.

    VFDs on AHUs or pumps.
  25. Replies
    3
    Views
    1,336

    with the economizer disabled, how would you...

    with the economizer disabled, how would you ventilate for high CO2??
  26. Replies
    19
    Views
    3,358

    They may have loaded the power supply heavey on...

    They may have loaded the power supply heavey on two legs. Meaning if they ran 3-phase to everything and only used single phase, they may have loaded phase A-B (or A-C or B-C) more and that would...
  27. Replies
    18
    Views
    3,748

    ethylene is considered more "toxic" but has...

    ethylene is considered more "toxic" but has better heat transfer properties.
  28. Replies
    12
    Views
    1,891

    And, even if remote, it is still a falling film...

    And, even if remote, it is still a falling film evap.
  29. Thread: WHAT IF??

    by mark_ballard
    Replies
    26
    Views
    3,183

    Water energizers makes energizer rods that work....

    Water energizers makes energizer rods that work. You place them in a rack in the cooling tower water and clean them monthly. Works very well.
  30. Replies
    20
    Views
    2,237

    Phased ABC at the contactor? (Just making sure it...

    Phased ABC at the contactor? (Just making sure it didn't get crossed in rewire)
  31. sounds like it wasn't phased properly.

    sounds like it wasn't phased properly.
  32. Replies
    9
    Views
    1,389

    I work for Trane and agree. The tube supports on...

    I work for Trane and agree. The tube supports on a lot of the coils can be slid back and forth. They do not seal them to the tubes apparently like they used to and it is showing.
  33. Replies
    8
    Views
    1,014

    I worked on one for CSX in Louisville. Was...

    I worked on one for CSX in Louisville. Was designed and worked the same as any other a/c unit. It just got power from a generator on the engine car.
  34. Replies
    4
    Views
    1,644

    Look at page 21 (actual document page number)

    Look at page 21 (actual document page number)
  35. Replies
    12
    Views
    2,378

    yes there is

    In order for a Voyager Micro (Constant Volume) unit to operate, it must know the temperature of the zone being conditioned. With this input only, the unit will operate in a default mode. The indoor...
  36. Replies
    12
    Views
    1,293

    So what you are saying is...

    "Whereas there are : HPS, LPS (if scroll compressor), breaker auxilliary switch, compressor OL switch and the NC of the Lock-out relay. They are all in series. Any of these trips/opens you will get a...
  37. Replies
    4
    Views
    800

    Lock out a circuit

    You can lock out one of the circuits and you will have a 200 ton machine. Controlling the actual tonnage being ran is controlled by the chiller's processor based on water setpoint and actual water...
  38. Replies
    63
    Views
    9,141

    master oil line solenoid

    If the pressure switch side (low side of switch) is dropping like that while the unit is still running (not pumping down to shut off), then something is making the solenoid lose power and close.
  39. Replies
    7
    Views
    1,112

    It shouldn't shut down the other circuit I don't...

    It shouldn't shut down the other circuit I don't believe. These are the only ways I know of to reset a CMR (Circuit Shutdown Manual Reset). The High Pressure cutout only kills the circuit that the...
  40. Replies
    7
    Views
    1,112

    resetting alarm

    Turn the switch to off/reset. While holding the down arrow button in, turn the rocker switch to auto local or remote. It will erase the alarms. Cycling power, or just turning to off/reset will reset...
  41. Replies
    25
    Views
    4,195

    3phase and 1phase

    The compressor has the felt-like gasket beneath the connection cover. A lot of manufacturers have C,S,and R on the gasket like material next to the terminals even on their 3-phase motors. This could...
  42. Replies
    8
    Views
    1,052

    Unloader Info

    Attached is some literature to help explain unloaders.
  43. Replies
    374
    Views
    26,886

    [QUOTE=-MAKE-;5388832] Now my thought about...

    [QUOTE=-MAKE-;5388832]

    Now my thought about the high current. If nameplate current is 11 Amps @208-230V wouldn't it be higher @245?

    If volts rise, amps lower.
  44. Replies
    2
    Views
    555

    ...or PCM or UPCM edit, depending on controller...

    ...or PCM or UPCM edit, depending on controller and age. Local rep should still give support regardless of if they didn't get the job.
  45. Replies
    6
    Views
    795

    Trane is stopping support for those. Go with the...

    Trane is stopping support for those. Go with the new MP581s. Very adaptable and dependable. Software is free as well. Easy to learn to use and navigate.
  46. Found one with a loose connection on the...

    Found one with a loose connection on the resistors. They were discoloring from the intense heat. Tightened and all problems went away.
  47. Replies
    374
    Views
    26,886

    I would have the power company retap the...

    I would have the power company retap the transformer ground properly. A lot of smaller towns have had this problem. Most have it against codes now, but always good to check.
  48. How old are the valves? When a floating valve...

    How old are the valves? When a floating valve starts to fail, it sometimes starts reading ground through the piping internally and will lose its setting. Driving the valve fully open or closed...
  49. Replies
    374
    Views
    26,886

    Check each leg to ground and see if you have a...

    Check each leg to ground and see if you have a "wild leg"
  50. Replies
    22
    Views
    1,959

    I have used dremel with flex shaft to get some...

    I have used dremel with flex shaft to get some tube sheets out of the way before. Use some 40% silver and it won't crack on you after.
Results 1 to 50 of 94
Page 1 of 2 1 2
Comfortech Show Promo Image

Related Forums

Plumbing Talks | Contractor Magazine
Forums | Electrical Construction & Maintenance (EC&M) Magazine
Comfortech365 Virtual Event