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  1. #14
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    68,171
    Then why didn't you elaborate on a geo system.
    Maybe a friend is thinking about a greo.
    While your at it. You can tell him about Hybird cars. He might have a frien thinking about one of those too.
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  2. #15
    Join Date
    Jun 2008
    Location
    Mpls.,MN
    Posts
    22

    Hmm

    Just an update after talking to dealer with my questions on the coil: He asked his distributor about the tin plating on the armorcoat coil. The distributor said it is not available in this area-although he could try to get one-and that the problem was associated along coastal areas only. Which would make sense to me because of how salt can be corrosive. Then the dealer said that a 4 ton coil will not make any difference with less humidity removal. Just thought you would like the update.

  3. #16
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    68,171
    Quote Originally Posted by mohawk View Post
    Then the dealer said that a 4 ton coil will not make any difference with less humidity removal. Just thought you would like the update.
    BS!

    Have him show your the SHR of that 4 ton coil, and of a smaller rated coil.
    The larger coil will have more ability to lower temp then a smaller coil. Which means it won't remove as much moisture from the air, during the milder temp days.
    Ask him to see the TC, and SC ratings with both coils.
    TC=Total cooling capacity.
    SC=Sensible cooling capacity.
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  4. #17
    Join Date
    Jun 2008
    Location
    Mpls.,MN
    Posts
    22
    Why do you think they would want to put in a 4 ton coil then instead of a 3 ton? Is there some benefit I don't know of?

  5. #18
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    68,171
    He has it in stock.
    Or the supply house has the smaller ones on back order.
    Or, he doesn't know any better, and is thinking SEER only.
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  6. #19
    Join Date
    Jun 2008
    Location
    Mpls.,MN
    Posts
    22
    Come to think of it, he did say something about seer. The heat pump is rated up to 16 seer but he was talking 15 with the 90i bryant furnace that I have. I don't know why I wouldn't get 16 with a vs furnace. Will the 3 ton coil give me less seer than that?

  7. #20
    Join Date
    May 2007
    Location
    DC Metro Area (MD)
    Posts
    3,371
    If you can provide the full model numbers for all components (condenser/heat pump, coil and furnace), then someone can look it up on ARI to compare the efficiencies. Many times the coil is upsized to get better efficiency.

  8. #21
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    68,171
    Smaller coil will most likely lower your SEER.
    Might lower it 1/2 point.
    But a 15.5 maintaining 74 and keeping you comfortable. Uses less electric then a 16 SEER maintaining 72 to keep you comfortable.
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  9. #22
    Join Date
    Jun 2008
    Location
    Mpls.,MN
    Posts
    22
    Not real sure on the coil # tonight- I think it starts with CNPVP----, furnace is ZI355MAV042080FIKA and heat pump is 286ANA. I'll have to wait until Monday to get the full coil number. Thanks.

  10. #23
    Join Date
    May 2007
    Location
    DC Metro Area (MD)
    Posts
    3,371
    286ANA036 and 355MAV042080 with:

    3-ton coil -- CNPVP3621ATA: 11.30 EER, 14.50 SEER -- ARI Ref. #893264
    3.5-ton coil -- CNPVP4221ATA: 11.70 EER, 15.00 SEER -- ARI Ref. #893488
    4-ton coil -- CNPVP4821ATA: 11.70 EER, 15.00 SEER -- ARI Ref. #893583

  11. #24
    Either coil will be fine. The distributor has both of them in stock. THe main reason for the upsized coil is to acheive the higher SEER rating.

    Mohawk- In our particular climate either coil will suit you just fine.

    Please let me know if you have any further questions- I am very familiar with this product

  12. #25
    Join Date
    Jan 2004
    Location
    Lancaster PA
    Posts
    68,171
    Whats the SHR of both coils.
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  13. #26
    Join Date
    Jun 2008
    Location
    Mpls.,MN
    Posts
    22
    I am going to sign for the HP today and was told by a friend that a CAPVU4817A coil was nice to have. It sits in a box on top of the furnace and that they could clean it out easily. Would this be a better coil than one they form the tin around?

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