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  1. evaporator motor sizes?

    evaporator motor sizes?
  2. 100 ton screw compressor going off on evap limit

    I am having issues with a 100 ton screw compressor going off on evap limit after about 30 seconds of run time. I have taken an amprage reading of the compressor to make sure that it was loading...
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    Exactly 4 valve are most common...i think 2 would...

    Exactly 4 valve are most common...i think 2 would be weird to use
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    with a 2 valve you cant leave both your high side...

    with a 2 valve you cant leave both your high side and low side up when charging.
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    949

    I'd got with Extech for amount of use and price.

    I'd got with Extech for amount of use and price.
  6. I agree, if you dont know how to setup proper...

    I agree, if you dont know how to setup proper control on the vfd by verifying these basic mechanical and control things call someone in
  7. whats the return air on the unit? check the...

    whats the return air on the unit? check the dampes in the mixing chamber. Are the return dampers open? If so they might be linked to the same signal? 2-10VDC Usuall fail safe or closed would be 2 vdc...
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    is there filter screens on it?

    is there filter screens on it?
  9. yeah power exhuast are common in package units

    yeah power exhuast are common in package units
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    looks good thats what the shims are for

    looks good thats what the shims are for
  11. If thers no econo theres no need for relief...

    If thers no econo theres no need for relief because your not pressuring the building
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    It all depends on what your building control...

    It all depends on what your building control system is and if theyre protocol will talk to the RS485
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    never use a room thermostat to measure a dat...

    never use a room thermostat to measure a dat always use a probe to measure air temp. You might have a faulty dat sensor check the resistance campared to the actual temp
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    I agree, if not clean the sucker

    I agree, if not clean the sucker
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    if you set your address to 1 on the card you can...

    if you set your address to 1 on the card you can search for the address of 1 on the device table you should get this
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    damn free climbing thats crazy

    damn free climbing thats crazy
  17. sounds like a diy

    sounds like a diy
  18. Thread: RTAA340

    by bigwheelingman
    Replies
    19
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    1,347

    yes, thats correct verify by tapping first this...

    yes, thats correct verify by tapping first this will be the first tell tell
  19. Thread: RTAA340

    by bigwheelingman
    Replies
    19
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    1,347

    what are the refer cicuit doing?

    what are the refer cicuit doing?
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    No you dont have to pull a vaccum on your gauges...

    No you dont have to pull a vaccum on your gauges if thats what your instructor tought hes wrong. You just have to purge the hoses of air. I would have a set for 410A set for 22 and 407c. Depends what...
  21. Alerton is pretty good it all depends on the type...

    Alerton is pretty good it all depends on the type of control you want. I deal with a lot of siemens stuff it all depends how you set it up. There is never redundant comm. You might have backup...
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    I finally came up with the files ill post them...

    I finally came up with the files ill post them today.
  23. Pull the battery and kill the panel wait till its...

    Pull the battery and kill the panel wait till its dead and start it up.
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    lol true and nice rig

    lol true and nice rig
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    Ill send these your way give me a day

    Ill send these your way give me a day
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