2.
Dual Fuel application
a. Wiring with 4H/2C thermostat – Bosch BCC100 for example.
W2
W/E
Y2
Y
R/RC
RH
G
C
O/B
H/DH
THERMOSTAT
Figure 42
Wiring Detail - Furnace/Cased Coil, Bosch IDS Outdoor Unit and
Bosch Connected Control BCC100
b. Wiring with 3H/2C thermostat – Bosch BCC50 for example.
W/E
Y2
Y
R/RC
RH
G
C
O/B
W2
H/DH
THERMOSTAT
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.
Figure 43
Wiring Detail - Furnace/Cased Coil, Bosch IDS Outdoor Unit and
Bosch Connected Control BCC50
Bosch 96% AFUE Condensing Gas Furnace - BTC 770503101 J (06.2023)
C
G
R
Y1
Y/Y2
FURNACE / CASED COIL
C
G
R
Y1
Y/Y2
FURNACE / CASED COIL
W1
W2
C
Y
OUTDOOR UNIT
W1
W2
C
Y
OUTDOOR UNIT
Installation Instructions
B
W
B
W
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