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Type: Posts; User: sdtech

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  1. Replies
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    Joe Harper, I don't care you call me newbie i...

    Joe Harper,
    I don't care you call me newbie i tell you what i been in trade 19 years i used be service tech worked for Mom and Pop's family business like you for a few years. And now i worked here...
  2. Replies
    54
    Views
    2,962

    Joe Harper, A 2200 sq ft. living space with 3...

    Joe Harper,
    A 2200 sq ft. living space with 3 ton unit and keep it cool 72 at 100 deg. outside air that is hard to believe i don't know what magic you did, and how about cfm of 3 ton is enough to...
  3. Replies
    54
    Views
    2,962

    Joe Harper, Here on the west coast rule of thumb...

    Joe Harper,
    Here on the west coast rule of thumb is a good you don't over or under size it 400sq ft for every ton and you can't go wrong with calculation. The 2 ton unit is running hard and will...
  4. Replies
    54
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    2,962

    The unit is under size 2 ton for 1500sq feet...

    The unit is under size 2 ton for 1500sq feet living space, you need 3 1/2 ton to do the job right.
  5. MaxBurn, On your AirStack master controller with...

    MaxBurn,
    On your AirStack master controller with RS485 card and optional this is use for stand alone control one PC plug into RS485 comm card. On pCO2 Master controller go to setup menu and enable...
  6. Dear MaxBurn, I'm just an A/C tech and i don't...

    Dear MaxBurn,
    I'm just an A/C tech and i don't installed their Webctrl control, I've used this control mostly everyday at work we have Airstack Chillers 5 stages 10 compressors and Liebert...
  7. Call IES they are the licenced contractor of...

    Call IES they are the licenced contractor of WebCTRL here in San Diego they might help you out call them and try.
  8. Replies
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    1,606

    Dear luk658, I'm happy you got it running, i...

    Dear luk658,
    I'm happy you got it running, i apologized i think i missed understood what said in your post you said you have 12 ton unit and the voltage is 220/3ph. And i said 208/3ph and 12 hp or...
  9. Replies
    15
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    1,606

    You mentioned the amps between 6-9 and voltage is...

    You mentioned the amps between 6-9 and voltage is 220 each leg and 3 phase unit and also each leg to ground is 110. Its sounds like 208 /3ph unit if your compressor is running you should have higher...
  10. Replies
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    5,308

    Gary' Thank you for all your hard work that's...

    Gary'
    Thank you for all your hard work that's good job found the problem that's great men.
  11. Replies
    97
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    5,308

    JettaKnight, Yes it can happen my friend

    JettaKnight,
    Yes it can happen my friend
  12. Replies
    97
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    5,308

    VTP99, Yeah I understand how things out there...

    VTP99,
    Yeah I understand how things out there alright men hope Gary come back and tell us. Thanks...
  13. Replies
    97
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    5,308

    VTP99, Any luck on that Carrier unit yet!

    VTP99,
    Any luck on that Carrier unit yet!
  14. Replies
    97
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    5,308

    Time, Last time VTP99 posted and explained it...

    Time,
    Last time VTP99 posted and explained it real good and how the circuit connected to economizer to CLO. This morning i'm looking at the wiring diagram and we want to make sure there is no open...
  15. Replies
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    5,308

    Dear VTP99, You asked me if i'am on the trade...

    Dear VTP99,
    You asked me if i'am on the trade yes, from San Diego area this is good site thank you for asking friend
  16. Replies
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    Dear VTP99, If you do have 24VAC on your...

    Dear VTP99,
    If you do have 24VAC on your contactor coil and line voltage 3ph or 1ph if the coil is good its should pull in and compressor will run i don't see no problem and the answer to your...
  17. Replies
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    5,308

    The CLO is preventing the unit not to run there...

    The CLO is preventing the unit not to run there is other problem in the control circuit like you described like economizer there is a problem not allowing the cooling to run stuck 100% open may be...
  18. Replies
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    5,308

    I'm a new member trying to help others, Anyway...

    I'm a new member trying to help others, Anyway you have your control voltage mostly it is 24VAC. This how the CLO does the s'tats calls for cooling the contactor energized on terminal 3 also...
  19. Replies
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    Most Carrier unit there is Compressor lock out...

    Most Carrier unit there is Compressor lock out circuit board for each compressor sometimes unit wont come on when its call for cooling your circuit is open check that first. good luck
  20. Replies
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    P8-Abnormally of pipe temperature P9-Abnormally...

    P8-Abnormally of pipe temperature
    P9-Abnormally of pipe temperature thermistor condenser/evaporator
    I will give you some other code that will help you just in case if you see more error hope it...
  21. Replies
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    Yes you can use static pressure transducer 0-20ma...

    Yes you can use static pressure transducer 0-20ma signal to drive the VFD and you can control your fan ramp up and down depending on your building static pressure. So many ways to do it , don't know...
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