Single Stage Heat – Boiler; Combined Single Stage Heat Furnace; Single Stage Cool Air Conditioner - Bosch BCC100 Installation Manual And User's Manual

Wiring Diagrams
Single Stage Heat – Boiler
Example: Bosch Greenstar Gas Condensing Boilers*
▶ Ensure the system has a C-wire
Ensure the pre-installed jumper wire remains between RH and RC
▶
Remove the jumper from the thermostat connection on the boiler and
▶
connect the two terminals to RH and W/E on the thermostat.
▶
*NOTE:
Bosch Greenstar boilers will require an external transformer to power the
thermostat. The two power wire should connect to R/RC and C on the Thermostat.
Combined Single Stage Heat Furnace and

Single Stage Cool Air Conditioner

Ensure the system has a C-wire
▶
▶ Remove the pre-installed jumper wire from between RH and R/RC
▶ Connect the R, C, W1 and G wires from the Furnace to RH, C,
W/E and G terminals on the wall plate, respectively
Connect the R, C, Y1 and G wires from the Air Conditioner to R/RC,
▶
C, Y and G terminals on the wall plate, respectively
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R/RC
R/RC