I'm trying to install a nest thermostat from a stand LN1234 programmer, and I know to move it over I need to move L to L, N to N, 3 to 6 and 4 to 3, then add a bridge from L to 2 and 2 to 5, but I'm confused by the wiring of my current programmer. The live wires (red) seem to go to the N terminal an...