Search:

Type: Posts; User: alcomech

Page 1 of 18 1 2 3 4

Search: Search took 0.01 seconds.

  1. Replies
    17
    Views
    1,027

    More information is needed. Complete operating...

    More information is needed.
    Complete operating conditions.
    What is the return air temp.
    What is the supply air temp.
    What is the coil temp.
    What type of refrigerant.
    What type of oil did the...
  2. Thread: TRAIN Chiller

    by alcomech
    Replies
    7
    Views
    276

    Model number?

    Model number?
  3. Replies
    4
    Views
    629

    aircond.com emcor

    aircond.com
    emcor
  4. There is nothing to think about. If you want to...

    There is nothing to think about.
    If you want to earn top dollar and have the best training that is available then it should be very simple for you to answer.

    I know guys making over scale at...
  5. Replies
    31
    Views
    1,161

    Decade Box

    Decade Box
  6. Replies
    31
    Views
    1,161

    What is the model number? Tranetek you beat me...

    What is the model number?

    Tranetek you beat me to it.

    Sounds like you are having an intermittent failure with a safety control and as stated earlier will lock out after 3 attempts in a cooling...
  7. www.ua.org

    www.ua.org
  8. This is what I have come up with for your...

    This is what I have come up with for your existing system.

    • 5/8 liquid line with 180 FT total developed length and 80 feet vertical drop with 8 elbows:
    • 236 FPM liquid line velocity
    • -32.54...
  9. Why do you think you are not getting the correct...

    Why do you think you are not getting the correct oil return to the compressor. Have you experienced a compressor failure?
    Is the piping arrangement correctly sized?
    Have you verified that the...
  10. Replies
    10
    Views
    842

    Does that circuit have a hot gas by-pass valve...

    Does that circuit have a hot gas by-pass valve installed and is it open?
  11. Replies
    1
    Views
    298

    Intellipaks can run and be controlled many...

    Intellipaks can run and be controlled many different ways.

    These units can be controlled by a simple time clock with start/stop functions and control itself based on set up.

    Set up can be...
  12. Replies
    5
    Views
    544

    I have never heard when supplying 100% airflow...

    I have never heard when supplying 100% airflow through a VAV box will cause a negative effect.

    Most VAV systems are rated to handle well over their field selected design.

    As for your system...
  13. Replies
    31
    Views
    1,507

    "The decade box is a "nice to have" accessory,...

    "The decade box is a "nice to have" accessory, but it is not necessary for service.[/QUOTE]"

    Do you have a decade box?
    Does that mean that you prefer not to use It?
  14. Replies
    1
    Views
    146

    Hope this helps

    Hope this helps
  15. Replies
    31
    Views
    1,507

    When trouble shooting or performing service you...

    When trouble shooting or performing service you should use the variable resistance method. Try a decade box such a IET RS-200 when trouble shooting.
  16. Replies
    21
    Views
    1,460

    Just as a reminder and when performing a PM you...

    Just as a reminder and when performing a PM you should check the entire system and run it through a complete cycle. This is where a decade box comes in hand and testing all stages is a must. There...
  17. Replies
    16
    Views
    964

    Rich Can you please explain this because I am...

    Rich

    Can you please explain this because I am still learning. Are you saying that foot of head does not matter for a circulator? I am just trying to understand how to properly size the pump......
  18. Replies
    16
    Views
    964

    You will need to convert your pump pressure...

    You will need to convert your pump pressure differential to foot of head and compare your results to the actual design of the pump.

    20 PSI delta P x 2.309 = 46.18 Foot of head.

    What does that...
  19. Thread: YSC036E issue

    by alcomech
    Replies
    28
    Views
    1,810

    Make sure you use a manometer to verify gas...

    Make sure you use a manometer to verify gas pressure at main and manifold.

    Do you need troubleshooting info?
  20. Thread: YSC036E issue

    by alcomech
    Replies
    28
    Views
    1,810

    Ignition Module Diagnostics The ignition module...

    Ignition Module Diagnostics
    The ignition module has a green LED for diagnostics:
    —Steady light ................................................ Module is powered up, but no active call for heat....
  21. Thread: YSC036E issue

    by alcomech
    Replies
    28
    Views
    1,810

    Need serial number

    Need serial number
  22. Replies
    2
    Views
    432

    What Model number or type of unit will you be...

    What Model number or type of unit will you be installing?
  23. Thread: Trane guys

    by alcomech
    Replies
    2
    Views
    506

    Do you have a building automation system...

    Do you have a building automation system installed such as as Tracer Summit?
    Here is the complete Model Number SEHLF254HLB7A4BD7L01ABW0F000000RW008000.
    Note that the 35th digit indicates factory...
  24. Replies
    5
    Views
    510

    What is your day time warm up set point? What is...

    What is your day time warm up set point?
    What is the day time warm up termination point.
    How are you determining the AREA average space temperature?

    Hopes this PDF helps.
  25. You are right Jay, today was a little rough. I...

    You are right Jay, today was a little rough. I will work on that.
Results 1 to 25 of 449
Page 1 of 18 1 2 3 4
Comfortech Show Promo Image

Related Forums

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