Bosch BGH96M080C4B - Page 45

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Installation Instructions
Bosch 96% AFUE Condensing Gas Furnace - BTC 770503101 J (06.2023)
2. Dual Fuel application
a. Wiring with 4H/2C thermostat – Bosch BCC100 for example.
Figure 42
R
W2
W1
Y1
Y/Y2
C
Y
B
W
FURNACE / CASED COIL OUTDOOR UNIT
YELLOW
GREEN
PURPLE
WHITE
BROWN
BROWN
YELLOW
BLUE
WHITE
C
G
RED
THERMOSTAT
Y2
Y
R/RC
RH
W2
G
W/E
O/B
C
H/DH
BLACK
Wiring Detail - Furnace/Cased Coil, Bosch IDS Outdoor Unit and
Bosch Connected Control BCC100
b. Wiring with 3H/2C thermostat – Bosch BCC50 for example.
Figure 43
R
W2
W1
Y1
Y/Y2
C
Y
B
W
FURNACE / CASED COIL OUTDOOR UNIT
YELLOW
GREEN
PURPLE
WHITE
BROWN
BROWN
YELLOW
BLUE
WHITE
When using a single-stage thermostat, the
fan stage will be controlled via Dip Switch
SW1 on the board, and second stage heat
is energized based off of the delay timer.
THERMOSTAT
Y
R/RC
RH
G
W/E
C
Y2
O/B
W2
H/DH
C
G
RED
Wiring Detail - Furnace/Cased Coil, Bosch IDS Outdoor Unit and
Bosch Connected Control BCC50