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23
Wiring Diagrams
Single Stage Heat – Furnace
Example: Bosch 80% AFUE Gas Furnace - BGS80
▶ Ensure the system has a C-wire
▶ Ensure the pre-installed jumper wire remains between RH and RC
▶ Connect the R, C, W1 and G wires from the Furnace to R/RC, C,
W/E/AUX and G terminals on the wall plate, respectively
Two Stage Heat – Furnace
Example: Bosch 96% AFUE Gas Furnace - BGH96
▶ Ensure the system has a C-wire
▶ Ensure the pre-installed jumper wire remains between RH and R/RC
▶ Connect the R, C, W1, W2 and G wires from the Furnace to R/RC, C,
W/E/AUX, O/B/W2 and G terminals on the wall plate, respectively
R/RC
R/RC
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