72
Heat Off Cool
Fan On
FanA
uto
If the terminal designations on your old
thermostat do not match those on the
new thermostat,
refer to the chart below,
or the wiring diagrams that follow.
Wire from the
old thermostat
terminal marked
Function
Install on the
new thermostat
connector marked
Y1 or Y
Cooling
Y
Power
Rh, R, M, Vr, A
R
B
B
Rev. Valve
(Energize to Heat)
W1, W or H
Heating
W
G or F
Fan
G
O
Rev. Valve
(Energize to Cool)
O
A label is provided on the backplate
that prevents drafts, originating inside
the wall, from entering the thermostat.
These drafts, left unchecked, may
cause incorrect room temperature
readings.
Please do not remove this label
from the thermostat. Insert the wires
through the slots provided in the label
as shown in Fig. 1
Thermal Insulating Sheet
4Z95
MODEL: TSTATBBNQ001
97061606
MADE IN CHINA
USE SIZE “AA”
ALKALINE BATTERIES
W
Y
B
O
G
R
Fig. 1
Wire Slots
Step #4 Wire Connections
Page 10