LSDave Posted November 24, 2012 Posted November 24, 2012 Has anyone tried one of these with the control4 thermostat?? This could potentially save a bunch of cash in a remodel where its difficult to run an extra wire.Hopefully someone has some experience with this before i buy and try it.
LSDave Posted November 24, 2012 Author Posted November 24, 2012 it makes sense, the diode you at at the thermostat is a half rectifier, and the shared line either sends a pulsed positive, pulsed negative or alternating current. From that the device can tell if either or both wires are triggered and probably latch output relays accordingly.
Cyknight Posted November 24, 2012 Posted November 24, 2012 A standard 4-wire is R(h/c) W Y and GAs most furnaces automatically engage the Fan (G) anyway, you could simply re-wire that to C to power the T-Stat. Just make sure the furnace kicks in the fan itself or modify it as required.You do of course lose the ability to manually control the fan (but with AC in the house, this shouldn't be a problem). If it's multi-stage you're probably out of luck.
C4RVA Posted November 25, 2012 Posted November 25, 2012 Place thermostat at furnace and use a remote sensor on two of the wires.
Keter8 Posted November 25, 2012 Posted November 25, 2012 Place thermostat at furnace and use a remote sensor on two of the wires.Very clever!
LSDave Posted November 25, 2012 Author Posted November 25, 2012 Place thermostat at furnace and use a remote sensor on two of the wires.This would be fine if the customer had another dedicated interface like a touch screen...... but they do not. I guess they could use their remote, but its not as easy as what they are used to.
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