1 3/4”
MOUNTING
HOLE
2 1/8”
3/8”
MOUNTING
HOLE
GROMMET
WIRING
ADD-A-WIRE
ACCESSORY
Fig.1 -
Add-A-Wire™
Accessory Mounting
HVAC
GREEN
BROWN
YELLOW
RED
Add-A-Wire™
accessory
4 existing wires with
Add-A-Wire™
to accommodate a
thermostat that requires 5 wires.
THERMOSTAT
GREEN
YELLOW
BLUE
BLUE
Sample Wiring Diagrams
ACC0410
MODEL
ADD-A-WIRE™
ADD-A-WIRE™
ACCESSORY
Add-A-Wire™
Diode ‘Y’
R
G
W
Y
C
R
G
W
Y
C
THE FOUR EXISTING
THERMOSTAT WIRES
