Bosch BOVB36-18 - Page 17

Installation Instructions Bosch IDS BOVB 18 | 17
Bosch Thermotechnology Corp. | 10.2020
Data subject to change
Figure 27
Y2
W/E
C
Y
C G
THERMOSTAT
G
R
O/B
H/DH
W2
W1
C
Y
B
W
B
Dh
Y1
R
Wiring for 4H and 2C thermostat
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 highest possible stage
(depends on air handler settings).
BVA2.0 INDOOR UNIT OUTDOOR UNIT
Thermostat Wiring Diagram for BOVB 18/BVA2.0 Matched System
Figure 28
Y2
W/E
C
Y
C
G
THERMOSTAT
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 highest possible stage
(depends on air handler settings).
BVA2.0 INDOOR UNIT OUTDOOR UNIT
Thermostat Wiring Diagram for BOVB 18/BVA2.0 Matched System