Search Results - HVAC-Talk: Heating, Air & Refrigeration Discussion

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Type: Posts; User: harrelson

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  1. Thread: Hot leg

    by harrelson
    Replies
    56
    Views
    4,504

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

    2 pole contactor used on 3 phase loads = 1 less contact to fail
  2. Replies
    11
    Views
    887

    is the min heat cfm being meet ?

    is the min heat cfm being meet ?
  3. Replies
    11
    Views
    688

    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...
  4. Replies
    11
    Views
    688

    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...
  5. Replies
    16
    Views
    1,252

    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
  6. Replies
    5
    Views
    544

    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
  7. Replies
    25
    Views
    4,104

    ask for refrences

    ask for refrences
  8. Replies
    5
    Views
    544

    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
  9. Replies
    5
    Views
    544

    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...
  10. Replies
    6
    Views
    2,309

    check with your local pipe pipefitter hall and...

    check with your local pipe pipefitter hall and see if they are acepting aplications
  11. Replies
    3
    Views
    721

    is this the olc ccp or the new touch screen ccp

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

    by harrelson
    Replies
    9
    Views
    2,320

    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
  13. Replies
    19
    Views
    1,507

    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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