Bosch IDS BOVA20 - Page 17

Installation Instructions
Bosch IDS BOVA20 & BOVC20 Split System Heat Pump - BTC 761703107 A (12.2023)
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Figure 27
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
GRAY PURPLE BROWN BLUE GREEN RED YELLOW WHITE
Wiring for 3H and 1C thermostat
WHITE/BLACK BROWN YELLOW BLUE WHITE
W2
Note: Because Y1 and Y2 are
jumped, the indoor fan will only run
in high stage.
Note: Any time the electric heat
elements are active, the indoor fan
will run in high stage.
Thermostat Wiring Diagram for BOVA20 & BOVC20/BVA2.0 Matched System
Figure 28
Wiring for 2H and 2C thermostat
Note: Any time the electric heat
elements are active, the indoor fan
will run in high stage.
Y2
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
GRAY PURPLE BROWN BLUE GREEN RED YELLOW BROWN YELLOW BLUE
Y2
Thermostat Wiring Diagram for BOVA20 & BOVC20/BVA2.0 Matched System