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Type: Posts; User: harrelson

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  1. Replies
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    411

    Talked to Trane in Clarksville today. This fault...

    Talked to Trane in Clarksville today. This fault is not recognized but all the other demand defrost fault codes A,B,and D are faults are. Coil didn't get to defrost temp (outside air temp + 47, up...
  2. Thread: Rawal

    by harrelson
    Replies
    20
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    1,540

    We have used several of the Rawal valves . They...

    We have used several of the Rawal valves . They will help with over sized systems especially in dual circuit systems just make sure it is always the lead circuit .
  3. Replies
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    411

    Trane Odyssey Heat pump Faults

    I have a TWA090D40UAA heat pump with Reliatel controls RTRM is a ver 13
    I keep getting a demand defrost fault C alarm and LPC fault . The system is tied to a tracker panel and that is where the...
  4. Thread: Hot leg

    by harrelson
    Replies
    56
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    5,415

    2 pole contactor used on 3 phase loads = 1 less...

    2 pole contactor used on 3 phase loads = 1 less contact to fail
  5. Replies
    11
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    1,215

    is the min heat cfm being meet ?

    is the min heat cfm being meet ?
  6. Replies
    11
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    1,025

    You can enter the CFM you want it will seem like...

    You can enter the CFM you want it will seem like it took but when I go back to look at the setpoints the old value is there

    I can change temperature setpoints ok but not the cfm points

    I am in...
  7. Replies
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    1,025

    Novar VAV4020 help

    Anybody have any infomation on the vav4020 and ESS32 pdf?

    the job I am working on has the min heat cfm set to high when I use the ESS32 software to access the control I can edit the value but it...
  8. Replies
    16
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    1,877

    you cannot set up anything in the Ipack with...

    you cannot set up anything in the Ipack with rover, you will see the device when you scan the com link but that is it. if you dont want the heat to operate ever configure the unit as cooling only
  9. Replies
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    829

    Thanks jciguy so it is misleading when software...

    Thanks jciguy
    so it is misleading when software lets you select the max vdc output voltage up to
    20 vdc
  10. Replies
    25
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    4,683

    ask for refrences

    ask for refrences
  11. Replies
    5
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    829

    I also dissconected the other AO points nothig is...

    I also dissconected the other AO points nothig is draging the ao point down
    thanks for any ideas


    Bob
  12. Replies
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    829

    Johnson UNT control

    I have unt controller that i cannot get the analog out to go over 10.1 vdc
    I have it configured for 100%=12.5 vdc the actuator is a mp 5410 and 10vdc will not stroke the actuator all the way. even...
  13. Replies
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    2,739

    check with your local pipe pipefitter hall and...

    check with your local pipe pipefitter hall and see if they are acepting aplications
  14. Replies
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    826

    is this the olc ccp or the new touch screen ccp

    is this the olc ccp or the new touch screen ccp
  15. Thread: Trane RTU

    by harrelson
    Replies
    9
    Views
    2,817

    you need to disconect the com link to the tci and...

    you need to disconect the com link to the tci and try the test mode
  16. Replies
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    1,847

    do you have a UEM module? if you do dissconect...

    do you have a UEM module? if you do dissconect the mod bus and see if problem goes away. let itrun several days you will need to replace the UEM if it works proper with it disconected
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