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  1. Replies
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    [QUOTE=BBeerme;18929931]Can you get tonnage off...

    [QUOTE=BBeerme;18929931]Can you get tonnage off of the TEV's?

    measure the orifice. That'll give you a pretty big clue to the tonnage.
    no more Data on the TXV head. measuring orifice is way to go...
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    its not the same. I think an older 240RA series. ...

    its not the same. I think an older 240RA series. don't understand the numbering valve body R0404 1 240RA-H9 represent.
    liquid pipe 7/8. my guessing is about 25-50 ton capacity. an older carrier...
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    811

    took it apart and there is damaged valve seat.

    took it apart and there is damaged valve seat.
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    811

    solenoid valve replacement help

    could not find specs on this solenoid valve. this number from valve body R0404 1 240RA-H9.
    looking for tonnage capacity.
    leaky solenoid need replacement.

    coil specs Emerson R0607 AMG 120v 17...
  5. 06D series compressor, some have solenoid...

    06D series compressor, some have solenoid capacity control and some has pressure actuated capacity control.
    its hard to tell if the tone change if all other compressors runs at same time.
    amperage...
  6. how to check pressure actuated unloader on Carlyle compressors.

    never work on pressure actuated Unloader before, how it work and how to check if its loading or unloading!
  7. Thread: Ypal schematics

    by cfe
    Replies
    4
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    316

    Hi YORKAPPRENTICE, having trouble with this...

    Hi YORKAPPRENTICE,

    having trouble with this unit have no respond to keypad. their is password on the panel 9725 but I don't know how to enter it.

    display showing
    Version A09
    Address 32...
  8. Replies
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    Hi Pete Mccarthy, I have 9725 written on the...

    Hi Pete Mccarthy,

    I have 9725 written on the panel but I don't know which button to enter the password. I have tried all button none is responding.

    display shown
    Version A09
    Address ...
  9. Replies
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    1,044

    27 volt secondary transformer, 24 volt back to...

    27 volt secondary transformer, 24 volt back to rooftop with jumper at thermostat.
    even 17 Volt with Nest , on call for cool did not witness any chatter at all and could last more than a month until...
  10. Replies
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    there is dispute between the landlord ant the...

    there is dispute between the landlord ant the tenant regarding who's at fault and bill to.

    need solid prove that the Nest thermostat indeed is the problem.
    tenant stated that they installed Nest...
  11. Replies
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    any other Nest thermostat problem reported?

    an office just installed Nest thermostat them self 3 months ago and its took out the compressor Contactor (welded). changed out the contactor 2 months ago.
    today back with same problem plus...
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    it was set by Hussmann local distributor who have...

    it was set by Hussmann local distributor who have the original contract with the store.
    we are not allowed to change any setting. sort of sub contractor for this store.

    was told that 10 ppm is...
  13. Replies
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    how big is 10 ppm leak? can not find the leak

    leak detections system at supermarket set at 10 ppm leak, 100 ppm spill, 300 ppm evacuate. R-22 system.

    inside the walk in cooler where one of the zone air sample filter located pick-up 12 ppm...
  14. I did and the problem is leaking at Hydrophobic...

    I did and the problem is leaking at Hydrophobic filter. replaced the filter and seems runs good.
  15. thanks for the link, the model is different from...

    thanks for the link, the model is different from the one i'm dealing with HGM-MZ . are they pretty much the same way of diagnostic?
  16. feeling the suction directly from the pump it...

    feeling the suction directly from the pump it sucking good. don't remember the actual psia reading in diagnostic screen.
    system temporary disabled.
  17. BACHARACH HGM-MZ HALOGEN GAS MONITOR NO FLOW PROBLEM !!!

    refrigerant leak monitoring systems with 16 zone keeps going into alarm every 15 min.

    alarm fault code 0800 no flow zones on multiple zones. it will cleared itself next sampling cycle but...
  18. No, I'm talking about 24 V fuse on control board....

    No, I'm talking about 24 V fuse on control board. the unit it self 575 Volt with 40 amp breaker.

    I would install resettable fuse till found the problem.
  19. Replies
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    recently have similar problem, Eng-A MUA shut...

    recently have similar problem, Eng-A MUA shut down intermittent. customer reset it by on/off breaker and back to normal for about 30 min and shut down again.
    flame failure error, clean the flame...
  20. had the same problem with carrier rooftop unit,...

    had the same problem with carrier rooftop unit, found shorted 24 volt control wire to economizer wounded to chassis that intermittent blowing 5 amp fuse. had to move the top panel to see it.
  21. Replies
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    JP, what temp expected for a good separator?...

    JP, what temp expected for a good separator? should it be slightly lower than discharge temp?
  22. Replies
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    Glad your on board, have you work on engineered...

    Glad your on board,
    have you work on engineered air model#FWB-182/DJ-60-CO I think is made in your City, Edmonton.

    421151421161421151421161

    did maintenance few days ago but have no idea how...
  23. Thanks for all inputs, Leak check entire system,...

    Thanks for all inputs,
    Leak check entire system, electronic leak detector doesn't pickup anything. No oil residue present.

    If this is original charge then it survived last winter. If there is...
  24. I thought 80% is total charged, mean nothing in...

    I thought 80% is total charged, mean nothing in condenser and liquid line.

    some condensing unit i have seen with LAC have label that add certain amount of lbs after clear sight glass.

    in this...
  25. it could go down to 0 - 10* F in winter the...

    it could go down to 0 - 10* F in winter

    the cooler fairly new, installed in 2011 by other company.
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