you may have a constant 24 volts from the furnace or the stat to the condenser. the red and white wires, usually used from condenser, do not go on the r terminal of either the stat or the furnace, furnace usually being where they are tied into and not the stat. the blue or yellow coming from the furnace to the y terminal of the stat, the cooling terminal which brings on the condenser, does not go onto the r terminal.
r is constant power.
r is constant power.
