Search:

Type: Posts; User: ckartson

Page 1 of 20 1 2 3 4

Search: Search took 0.02 seconds.

  1. Replies
    45
    Views
    890

    Accumulated doesn't compensate for charge

    Accumulated doesn't compensate for charge
  2. Replies
    45
    Views
    890

    Use a bidirectional receiver

    Use a bidirectional receiver
  3. Thread: HVAC apps

    by ckartson
    Replies
    1
    Views
    128

    HVAC apps

    I am now in the twenty first century with a smart phone provided by the company I work for. I have been learning daily just basic functions. I know many of you use them and refer to apps in your...
  4. Static pressure should be .5"wc range. If you...

    Static pressure should be .5"wc range. If you have no static pressure control as was suggested then you will have no set point adjustment. I am unfamiliar with resi zoning systems but work...
  5. Control voltage that pulls in the contactor comes...

    Control voltage that pulls in the contactor comes from the AHU/Furnace not the condensing unit. Therefore opening the disconnect will not drop out the contactor. Power to the contactor and condensing...
  6. What type of static pressure control do you have?...

    What type of static pressure control do you have? Sounds like possibly to high causing noise through the damper. Try changing static set point (lower) see if that helps.
  7. Replies
    40
    Views
    1,762

    95 psig suction is low for 410a. That's...

    95 psig suction is low for 410a. That's equivalent to a 29 coil Check air flow.
  8. Thread: Freezing Coil

    by ckartson
    Replies
    31
    Views
    2,156

    63F house is unreasonable based on normal...

    63F house is unreasonable based on normal design. As far as high side being 500 psig, what is the OAT? What subcooling do you have? During the design phase the Manual J requires indoor condition...
  9. Replies
    10
    Views
    427

    Google Tinnerman nuts, they make them also.

    Google Tinnerman nuts, they make them also.
  10. Thread: Freezing Coil

    by ckartson
    Replies
    31
    Views
    2,156

    Why was the 1/4 line left in in the first place,...

    Why was the 1/4 line left in in the first place, pretty small for a three ton system. Any chance of some details besides everything seems fine. Everything isn't fine if you saw the plenum icing. Do...
  11. Replies
    18
    Views
    1,327

    Nine year old system is not old. A system...

    Nine year old system is not old. A system properly maintained should last 20 years. A compressor replacement with all the proper safe guards like a suction filter with a follow up visit for testing...
  12. High sh, the above would give you low sh. Are you...

    High sh, the above would give you low sh. Are you sure the compressor is ok?
  13. Replies
    6
    Views
    504

    How many zones are you planning. 5 or less vav's...

    How many zones are you planning. 5 or less vav's is not worth it. VVT may be an option. There are many resi vvt controls systems out there.
  14. Replies
    31
    Views
    4,132

    If the old unit was r22 and new unit is r410a...

    If the old unit was r22 and new unit is r410a then indoor coil should be replaced. That the only reason I would think it's required.
  15. Replies
    20
    Views
    1,667

    No double time on Sunday?

    No double time on Sunday?
  16. Replies
    18
    Views
    777

    Yaskawa, they also have some excellent e learning...

    Yaskawa, they also have some excellent e learning modules on their website. Tech support is also very good.
  17. Replies
    5
    Views
    468

    Both can be used for modulating application but...

    Both can be used for modulating application but yes they are different piping configurations. I was just answering the OPs question whether they can or cannot, and with a modulating actuator they...
  18. Replies
    31
    Views
    1,496

    If you have CTI's (conventional Termostat...

    If you have CTI's (conventional Termostat Interface) installed in your units then all you need to do to test is jumper the terminals on the CTI to test. The CTI provides contact closure inputs rather...
  19. Replies
    5
    Views
    468

    Diverting and mixing can both be used for...

    Diverting and mixing can both be used for modulating. The valve operator installed on it will determine the operation also.
  20. Replies
    21
    Views
    4,072

    Double suction risers with single circuit...

    Double suction risers with single circuit compressor unloaders would require inverted trap. Would also require other pipe sizing requirements also.
  21. Replies
    3
    Views
    414

    What type of equipment, AHU's and controls do you...

    What type of equipment, AHU's and controls do you have?
  22. Replies
    13
    Views
    786

    No it shouldn't probably the threaded cap needs...

    No it shouldn't probably the threaded cap needs to be tighten or taped
  23. Replies
    26
    Views
    1,404

    Return air 60? I would think you should get the...

    Return air 60? I would think you should get the return temp up then test.
  24. Replies
    10
    Views
    602

    Yes it is funny along with, "going to collage"....

    Yes it is funny along with, "going to collage". Sorry I couldn't help myself.:grin2:
  25. Replies
    55
    Views
    8,578

    Just "helpin out" the ex!

    Just "helpin out" the ex!
Results 1 to 25 of 500
Page 1 of 20 1 2 3 4
Comfortech Show Promo Image

Related Forums

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