Thermosat Terminal: wire color-->Panel Symbol B1-->G(Fan output) W1-->Y(COMPRESSOR CONTRACTOR output) R1-->Rc(COOLING TRANSFER INPUT) B2-->R(HEATING TRANSFER INPUT) W2-->W(Heating output) FURNACE Terminal 接线板:(There are G,Y,C,W,R) Wire color-->Panel Symbol B1-->G W1-->Y R1-->R B2-->C W2-->Y black wore B2 一端接的R, 另一端接的C,很奇怪? wire W1,W2 connected to Y at FURNACE Terminal? Thermosat Terminal: FURNACE Terminal 接线板: