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new system

Yves
Yves Member Posts: 11
in THE MAIN WALL
Can anyone tell me what the return temp. should be if the supply temp is 130 deg. HEY. HAPPY NEW YEAR!!!!

Comments

  • Weezbo
    Weezbo Member Posts: 6,231
    anything above about 21:)

  • hr
    hr Member Posts: 6,106
    How cold

    is the floor and room? The delta T will change depending on the load and the flow rate.

    I've seen cold concrete slabs run 40° or more delta t on start up. With 130° supply you probably are not heating a slab??

    The delta t will usually drop as the floor and room temperature warms. It may drop to a few degrees just before the room "call for heat" satisfies. It's an ever changing number.

    Most important on cold start up that you do see a delta t, or else you have some pump or flow issues. No delta t= no heat transfer :)

    What is you floor panel construction, temperatures, and your delta t?

    hot rod

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