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Type: Posts; User: timebuilder

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  1. You may have less chance to use economizers in...

    You may have less chance to use economizers in your area.

    Of course, I see one $xxx econ repair in about 10 years of use. Even so, when compared to rising electric rates, it is a cheaper repair...
  2. Can you provide: The brand, model and serial...

    Can you provide:

    The brand, model and serial number for both units

    The logic module (honeywell) number such as W7459, W7212

    the actuator motor number used in the units

    the stats used...
  3. I don't think there is a reason for concern for...

    I don't think there is a reason for concern for the sequence of operation, because if you are using a typical Honeywell logic module, you can adjust the enthalpy setpoint based on four plotted...
  4. It is always cheaper to run a fan than it is to...

    It is always cheaper to run a fan than it is to run a fan and a compressor or two, plus a couple of condenser fans.

    Maintenance cost on an economizer is negligible. If the logic module fails, its...
  5. If there is cool dry air available, then hook it...

    If there is cool dry air available, then hook it all up and test it.

    My gut tells me that the last guy didn't understand the econs, and that's why they are disabled.
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