Bosch IDS BOVB20 - Page 19

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Installation Instructions
Bosch IDS BOVB20 Split System Heat Pump - BTC 761701316 C (02.2022)
Figure 28
Y2
W/E
C
Y
C
G
THERMOSTAT
INDOOR UNIT
OUTDOOR UNIT
G
Y2
R
O/B
H/DH
W2
W1
C
Y
B
W
B
Dh
Y1
R
GRAY PURPLE BROWN
BLUE
GREEN RED YELLOW WHITE
Support 3H and 2C thermostat
(This is the configuration of the BCC50)
WHITE/BLACK BROWN YELLOW BLUE WHITE
Note: Any time the electric heat
elements are active, the indoor fan
will run in high stage.
Thermostat Wiring Diagram for BOVB20/BVA20 Matched System
Figure 29
Wiring for 4H and 2C thermostat
(This is the configuration of the BCC100)
Y2
W/E
C
Y
C G
THERMOSTAT
INDOOR UNIT
OUTDOOR UNIT
G
R
O/B
H/DH
W2
W1
C
Y
B
W
B
Dh
Y1
R
W2
GRAY PURPLE
BROWN
BLUE GREEN RED YELLOW
WHITE
WHITE/BLACK BROWN YELLOW
BLUE
WHITE
Y2
Note: Any time the electric heat
elements are active, the indoor fan
will run in high stage.
Thermostat Wiring Diagram for BOVB20/BVA20 Matched System