Bosch BCC50 - Unit Configuration; Configure Unit by Heat Type

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Wiring Diagrams
Single Stage Heat – Furnace
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 RH, C, W/E and G
terminals on the wall plate, respectively
Jumper
----
G
W2/
AUX
Y2
O/B
H/DH
Data
C
W/E
Y
RH
RC
Two Stage Heat – Furnance
Ensure the system has a C-wire
Ensure the pre-installed jumper wire remains between RH and RC
Connect the R, C, W1, W2 and G wires from the Furnace to RH, C, W/E, W2/
AUX and G terminals on the wall plate, respectively
Jumper
----
G
W2/
AUX
Y2
O/B
H/DH
Data
C
W/E
Y
RH
RC
Single Stage Heat – Boiler
Ensure the system has a C-wire
Ensure the pre-installed jumper wire remains between RH and RC
Connect the R, C and W1 wires from the boiler to RH, C and W/E
terminals on the wall plate, respectively
Jumper
----
G
W2/
AUX
Y2
O/B
H/DH
Data
C
W/E
Y
RH
RC
Combined Single Stage Heat and Single Stage Cool Furnace and Air Conditioner
Ensure the system has a C-wire
Remove the pre-installed jumper wire from between RH and 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 RC, C,
Y and G terminals on the wall plate, respectively
----
G
W2/
AUX
Y2
O/B
H/DH
Data
C
W/E
Y
RH
RC