ICP service call
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  1. #1

    ICP service call

    i recently went with another tech on service call on a new heat pump 2 ton condenser 3 ton ah other tech changed out door piston .042 pressures were 95@300 47 outsde temp vapor line about 85 degrees max my question is will this system run any better than this with the miss matched equipment any advice greatly appreciated i have limited experience with miss matched equipment

  2. #2
    Join Date
    Oct 2011
    Location
    Las Vegas, NV
    Posts
    465
    Usually if the A/H is a larger tonnage than the condenser, the indoor blower speed should be adjusted to match the capacity of the C/U. I'd use the blower performance chart of the A/H and aim for 450cfm/ton in heating and 400cfm/ton for cooling. That's ballpark, but should get close to proper airflow. I'd then check pressures and temperatures again after the blower speed adjustment, and then see where you're at.

  3. #3
    thanks im sure it a variable speed blower

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