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  1. Replies
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    789

    Anyone have basic imformation on this system....

    Anyone have basic imformation on this system. Dont have the model # yet. Thank you
  2. Thread: Carrier Zoning

    by leander
    Replies
    9
    Views
    1,373

    I think she has already screwed up the system...

    I think she has already screwed up the system because she says the tstat is always set on 70. She has not called yet but I will contact my carrier rep for further info(just in case). Thank you for...
  3. Thread: Carrier Zoning

    by leander
    Replies
    9
    Views
    1,373

    Wormy, You have my interest up. What happens if...

    Wormy, You have my interest up. What happens if she turns the selector to zone 4? She was turning it thru all the zones. It appears that the master could control maybe 6 zones. That would be 3 wires...
  4. Thread: Carrier Zoning

    by leander
    Replies
    9
    Views
    1,373

    I was at a home(for a social function) that has...

    I was at a home(for a social function) that has carrier zoning. They have 2 systems & each system has a master tstat located inside the conditioned area. There are several(what appears to be sensors)...
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    848

    Sorry, Wrong forum.

    Sorry, Wrong forum.
  6. Replies
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    848

    Carrier Zoning.

    I was at a home(for a social function) that has carrier zoning. They have 2 systems & each system has a master tstat located inside the conditioned area. There are several(what appears to be sensors)...
  7. Replies
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    6,569

    According to the Johnstone catalog you are...

    According to the Johnstone catalog you are attempting to match a 3.5 ton CU with a 4/5 ton AHU. If you match your units it will probably work fine.I am not a big fan of oversizing the AHU.
  8. Replies
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    1,877

    I do like a matched system but in this case I...

    I do like a matched system but in this case I will probably go back with a 2 ton Trane AHU as that is the airflow the homeowner is accustomed to getting. I will call Trane and get the correct piston...
  9. Replies
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    1,877

    Swany, Thanks for the response. The CU is Lenox...

    Swany, Thanks for the response. The CU is Lenox HP23-211-1P and the AHU is Lenox B2402-1P. Apparentely this is a 1 1/2 ton CU with a 2 ton AHU(with txv). It is my understanding that if a piston is...
  10. Replies
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    1,877

    Does anyone know the tonnage on a Lenox model...

    Does anyone know the tonnage on a Lenox model #HP23-211-1P condensing unit? Lee
  11. Replies
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    Trane comes with a 10 year compressor warranty....

    Trane comes with a 10 year compressor warranty. Lee
  12. Replies
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    5,356

    The pressures are too low. Also the suction line...

    The pressures are too low. Also the suction line to the compressor should never be warm. It sounds like the compressor was not running thereby equalizing the high & low pressures & that would also...
  13. Thread: Costume Party

    by leander
    Replies
    22
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    1,407

    Diceman, I don't even intend to reply to some of...

    Diceman, I don't even intend to reply to some of these suggestions.
  14. Thread: Costume Party

    by leander
    Replies
    22
    Views
    1,407

    Halloween party. Does anyone have any suggestions...

    Halloween party. Does anyone have any suggestions on what to wear to a halloween costume party?
  15. Replies
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    2,868

    I totally sympathize with this Marine. He...

    I totally sympathize with this Marine. He deserves more respect. When I was in Vietnam the 1st Sgt asked if anyone has an air conditioner at home. Several of us said yes. The next day we were...
  16. Thread: Calc Air Flow

    by leander
    Replies
    12
    Views
    2,005

    Joeseffus, Nice name. I am trying to figure out...

    Joeseffus, Nice name. I am trying to figure out that formula. You said multiply fpm(which is 900) x area(which is 3.478 sf). That comes out to over 2700 cfm. What am I missing?
  17. Thread: Calc Air Flow

    by leander
    Replies
    12
    Views
    2,005

    I measured it directly under the unit. This meter...

    I measured it directly under the unit. This meter sells for about $30.00 at Johnstone. It has a pitot tube that is inserted into the air stream. The instrument itself has a small ball about the size...
  18. Thread: Calc Air Flow

    by leander
    Replies
    12
    Views
    2,005

    I have a Dwyer #460 cheap air flo meter. My 3.5...

    I have a Dwyer #460 cheap air flo meter. My 3.5 ton Tempstar Ahu is on a stand. My RA velocity under the Ahu is 900 fpm. I use the formula that came with the meter to find CFM. CFM=velocity(900) x...
  19. Thread: Financing Work

    by leander
    Replies
    3
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    731

    Do we need a separate license to finance a job....

    Do we need a separate license to finance a job. Are we considered a finance company when we allow someone to pay half at installation and the remainder in 30 days?
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    979

    Bobby, This hospital is about 30 years old in...

    Bobby, This hospital is about 30 years old in Jacksonville, Florida. What agency would I contact to get info about this? I appreciate your information.
  21. Replies
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    979

    Bobby, Did I understand you to say that the...

    Bobby, Did I understand you to say that the modern code does not allow a general care room to have return air? Thanks.
  22. Replies
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    979

    I was there for only about 30 minutes. I am going...

    I was there for only about 30 minutes. I am going back Friday to have a better look but what I thought about was if there is a reduction in air flow, due to all the doors being closed, that might...
  23. Replies
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    979

    We do residential work but was asked to look at...

    We do residential work but was asked to look at this problem. A small hospital has 2 direct expansion AHU's on one floor. Each one has a trunk line running down the hall above a drop ceiling. Both...
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