4 existing wires with
Add-A-Wire™
to accommodate a
single stage heat pump. A jumper is required across
the ‘Y’ and ‘O’ thermostat terminals.
C
c
F
FOR HOME OR OFFICE USE
Tested to Comply
with FCC Standards
Add-A-Wire ACC0410
ADD-A-WIRE™
ACCESSORY
ACC0410
MODEL
©Venstar Inc. 08/07
P/N 88-618 Rev. 1
Add Jumper
HVAC
GREEN
BROWN
YELLOW
RED
Add-A-Wire™
accessory
THERMOSTAT
GREEN
YELLOW
BLUE
BLUE
Add-A-Wire™
Diode ‘Y’
R
G
O
Y
C
R
G
Y
C
THE FOUR EXISTING
THERMOSTAT WIRES
O