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Type: Posts; User: narkom

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  1. Replies
    4
    Views
    190

    Try...

    Try
    http://www.abc4dc.org/sites/default/files/Disk/Katalog.htm
  2. Replies
    4
    Views
    314

    And no fuse in the circuit board?

    And no fuse in the circuit board?
  3. Look...

    Look
    http://www.hvacrinfo.com/cope_ae_bulletins/TAE1166.PDF
  4. Thread: Liebert System4

    by narkom
    Replies
    7
    Views
    868

    It is a LD67GB glycol cooled close control unit....

    It is a LD67GB glycol cooled close control unit. Here with I attache the tech. manual.
  5. Thread: Liebert System4

    by narkom
    Replies
    7
    Views
    868

    Thanks! Another set of dipswitches there is on...

    Thanks!

    Another set of dipswitches there is on System3 control board.
  6. Thread: Liebert System4

    by narkom
    Replies
    7
    Views
    868

    Liebert System4

    Hi!
    There is a Liebert LD precision unit with two compressors and infrared humidifier.
    The unit controller is a System 4, p/n L13688-00.
    Does anybody know the 1 to 8 dip switches settings to...
  7. Replies
    6
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    664

    If so, the problem is 24C256N EEPROM (T memory)....

    If so, the problem is 24C256N EEPROM (T memory).

    http://images.vfl.ru/ii/1425736152/bd5b5ed4/8000431.jpg
  8. Replies
    6
    Views
    664

    Is it a pCO system controller?

    Is it a pCO system controller?
  9. Replies
    2
    Views
    653

    Try Danfoss fittersapp...

    Try Danfoss fittersapp
    https://play.google.com/store/apps/details?id=com.danfoss.troubleshooterapp
  10. Replies
    27
    Views
    2,101

    Sporlan only says that "....Filter-Driers are not...

    Sporlan only says that "....Filter-Driers are not recommended for use in the
    discharge line. The water capacity in this location would be greatly reduced due to the high operating temperature."
  11. Thread: Trane CH532

    by narkom
    Replies
    0
    Views
    357

    Trane CH532

    Hi guys!
    There is a Trane CGAN chiller with CH532 V3.1 pCO3 based controller. Now we need to run the LonTalk network. Could anyone help me with the .NXE file to be downloaded in the Lon board and...
  12. Thread: Thermistors

    by narkom
    Replies
    12
    Views
    1,313

    Excellent post! Would you please to clear one...

    Excellent post!
    Would you please to clear one more thing. Why the different types of probe are in use. I mean NTC10k, Pt1000, NTC3k, Pt100 etc.
    Which are advantage and disadvantage of each type?
  13. The readings are indoor units inlet temperature,...

    The readings are indoor units inlet temperature, so it may differ.
  14. Replies
    7
    Views
    639

    Look here...

    Look here
    http://old.mylinkdrive.com/MrSlim/mea/webindex.htm
  15. Replies
    14
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    1,789

    Yes, the fan spinning in the correct direction as...

    Yes, the fan spinning in the correct direction as the arrow on the fan shows.
    Not sure if the fan and evap. coil are clean. It is a 24hrs restaurant with the kitchen and smoking area. Gonna check...
  16. Replies
    14
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    1,789

    Yes, there could be a lot of restriction besides...

    Yes, there could be a lot of restriction besides the curb adapter. Because the air flows via the flexible ducts system.
    The hot water coil was surely removed from the unit as it was damaged with...
  17. Replies
    14
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    1,789

    The tripping is manual reset, but anyway it takes...

    The tripping is manual reset, but anyway it takes time to cool down. In accordance with technical data I should have 2200 CFM and even more. Im going to check the belt tension.
    The heater is custom...
  18. Replies
    14
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    1,789

    Only common words on the page 42 instead. Thanks...

    Only common words on the page 42 instead. Thanks anyway.



    Yes, it is a downflow discharge unit mounted on a roof curb adapter.
    The heating element was instaled instead of the hot water coil a...
  19. Replies
    14
    Views
    1,789

    Rooftop heating elements

    Hi!
    Would like to seek some help about Trane WSD90 heating element p/n 21-3513-04.
    The problem is that the protective thermostats trip very often and the customer is not happy at all.
    I suppose...
  20. Replies
    8
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    795

    http://www.hvacrinfo.com/cope_ae_bulletins/cope_gr...

    http://www.hvacrinfo.com/cope_ae_bulletins/cope_grnslm.pdf
  21. Thread: Tool bags

    by narkom
    Replies
    96
    Views
    21,228

    Does anybody use hard suitcases like these?...

    Does anybody use hard suitcases like these?
    http://www.gtline.com/toolcases.php?linea=2
  22. Thread: glycol pump

    by narkom
    Replies
    12
    Views
    3,206

    I always use a distiiled water to avoid any...

    I always use a distiiled water to avoid any impurities like a chlorine. But on that site I have ready-to-use mixture.
    Yes I have holding tank.
  23. Thread: glycol pump

    by narkom
    Replies
    12
    Views
    3,206

    Thanks for advice! Very helpful.

    Thanks for advice! Very helpful.
  24. Thread: glycol pump

    by narkom
    Replies
    12
    Views
    3,206

    It is a new system and I am filling the system...

    It is a new system and I am filling the system with the 40% water-glycol mixture. Sorry for not being clear enough.
    The points are:
    -the pump must be able to suck from the drum
    -the water-glycol...
  25. Thread: glycol pump

    by narkom
    Replies
    12
    Views
    3,206

    glycol pump

    Hello!
    I need to fill an HVAC system (air handlers and fancoil units) with the propylene glycol. The system total volume is about 9000 Litres (2377.55 Gallons).
    The glycol package is a 55 Gallon...
  26. Replies
    6
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    1,199

    Look http://www.dallashermetic.com/techinfo.html

    Look
    http://www.dallashermetic.com/techinfo.html
  27. Replies
    3
    Views
    1,286

    Is this what you need

    Is this what you need
  28. Thread: PU24EK3 LED7

    by narkom
    Replies
    2
    Views
    1,248

    LED7 should not be on for cooling only models. I...

    LED7 should not be on for cooling only models. I gues you mean puh24ek3. It is normal. It is mean that the bypass valve is on during 3 minutes after the compressor stops....
  29. Replies
    17
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    4,285

    It is a variation. To be exact, the filter drier...

    It is a variation. To be exact, the filter drier is right upstream the TXV. It is like this
  30. Replies
    17
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    4,285

    Sorry for not being clear enough. I attache the...

    Sorry for not being clear enough. I attache the refrigeration diagram as I could understand it.
    So in cooling mode there is a temperature drop across the check valve in about 3K. May it be the...
  31. Replies
    6
    Views
    1,503

    You should just punch in the number.

    You should just punch in the number.
  32. Replies
    17
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    4,285

    And there is a TXV for heating mode with a check...

    And there is a TXV for heating mode with a check valve in bypass line for cooling mode.
    Now there is an evaporator freezing in cooling mode. Suction pressure is 2.3 bar (R407C), air filters are...
  33. Replies
    6
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    1,503

    Press "program-7396-enter" and correct settings.

    Press "program-7396-enter" and correct settings.
  34. Replies
    17
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    4,285

    There is a wiring diagram on the door. The unit...

    There is a wiring diagram on the door. The unit has no TXV or capillary tube so I cant understand how it works.
  35. Replies
    17
    Views
    4,285

    Trane rooftop unit

    Hello!
    I badly need a refrigeration diagram of the Trane Voyager I rooftop unit. The model is TSD90. Can anybody help me?
    Thanks!
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