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  1. Replies
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    Beenthere, Sorry but I only seem to find time...

    Beenthere,

    Sorry but I only seem to find time on the weekends to post.

    Thanks for sharing more info on stat operation. My Rheem Contour Modulating stat, version 4, (Nov 2003) does not allow...
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    3,087

    beenthere My statement is that CPH limits the...

    beenthere
    My statement is that CPH limits the calls per hour. If the stat is not satisfied, CPH does not enter into the equation. In this condition, temp overrides CPH. The furnace will run until...
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    I am not in the HVAC business, just so you know...

    I am not in the HVAC business, just so you know where I'm coming from.

    I have a hard time understanding the explanation for CPH. Many on this board explain CPH as the number of times per hour the...
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    4,790

    Zone 5 (Chicago) 2100 sq ft 30K BTU (75K Mod...

    Zone 5 (Chicago)

    2100 sq ft
    30K BTU (75K Mod locked at 40%)
    2 1/5 Ton Cooling

    Even with recent single digit temps, the furnace cycles but not nearly as much as when I let the Mod thermostat...
  5. Thread: Furnace dampers

    by zip605
    Replies
    6
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    5,233

    The screw of the wing-nut might be slotted -- the...

    The screw of the wing-nut might be slotted -- the slot matches the damper position. Use a screwdriver to position the damper and tighten the wing-nut. Some of my dampers are able to be rotated...
  6. I had a similar problem when my RUUD was first...

    I had a similar problem when my RUUD was first installed. A new stat was eventually installed so it was not possible to determine exact cause. I did see that the installer used their own hex head...
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    I've got my remote sensor located in the return...

    I've got my remote sensor located in the return drop. A few inches prior to the filter. In the basement. During the summer, the basement will be about 65-68 degrees. If I don't keep the fan...
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