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2 2 |
Bosch IDS BVA 2.0
Installation Instructions
02.2019
|
Bosch Thermotechnology Corp.
Data subject to change
11 Wiring Diagrams
WARNING: ELECTRICAL SHOCK
Disconnect all power before servicing or installing this unit.
Multiple power sources may be present. Failure to do so may
cause property damage, personal injury or death.
DANGER: ELECTRICAL SHOCK
This unit must be properly grounded and protected by a
circuit breaker or fuse.
WARNING: ELECTRICAL SHOCK
These units must be wired and installed in accordance with all
National and Local Safety Codes.
To avoid electrical shock, please ensure:
—
The heat pump is properly grounded
—
The main power plug to the heat pump has been joined with the
ground wiring (DO NOT ALTER THIS).
Do not strain the power wiring.
Dashed lines in the following thermostat wiring diagrams refer to optional
wiring (wiring for Passive Dehumidifi cation Function and/OR Electric
Heat). For thermostat wiring please refer to the Owner’s Manual of the
thermostat.
Figure 17
Y2
W/E
C
Y
C
G
TH E RM O S TAT
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
WHITE/BLACK
BROWN
YELLOW
BLUE
WHITE
Note: Any time the electric heat
elements are active, the indoor fan
will run in high stage.
Control Wiring For HP Systems
Dh wiring is optional and requires a thermostat with a humidistat. Dh
functions as Passive Dehumidifi cation and will downstage the indoor
fan to fi rst stage. System will operate according to normal sequence of
operations if Dh wiring is absent.