Bosch BOVB36-18 - Page 16

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Bosch IDS BOVB 18 Installation Instructions
10.2020 | Bosch Thermotechnology Corp.Data subject to change
Figure 25
W/E
C
Y
C G
THERMOSTAT
BVA 15 INDOOR UNIT OUTDOOR UNIT
G
R
O/B
W2
W1
C
Y
B
W
R
BROWN/BlACK
GREEN
RED WHITE
Wiring for 3H and 1C thermostat
WHITE/BLACK
BROWN/BLACK YELLOW
BLUE WHITE
W2
Note: For single-stage auxiliary
heating (supported by 2H
thermostat), jump W1 and W2
Thermostat Wiring Diagram for BOVB 18/BVA 15 Matched System
Figure 26
Y2
W/E
C
Y
C
G
THERMOSTAT
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
WHITE/BLACK BROWN YELLOW BLUE WHITE
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