RTH111
Quick Installation Guide
69-2732ES-01
RTH111 Seri e s
Non-Programmable Thermostat
Identify System Type
This thermostat is compatible with the following systems:
Gas, oil or electric furnace
Central air conditioner
Hot water system with or without pump
Millivolt system
Central heating and cooling system
Heat pump without auxiliary/backup heat
Do you need assistance?
We are here to help.
Call 1-800-468-1502 for wiring
assistance before returning
the thermostat to the store.
This thermostat cannot be used on heat pumps with
auxiliary/backup heat or on multistage systems.
69-2732ES— 01 ii
Turn Off Power to Heating/
1
Cooling System
OFF
or
1 69-2732ES—01
Remove Old Thermostat
2
Remove old thermostat but leave wallplate with
wires attached.
Do not remove
wallplate yet
Is there a sealed tube containing
mercury? If so, see back cover
for proper disposal instructions.
Old thermostat
69-2732ES— 01 2
EM. HEATAUX. HEAT
50 60 70 80
50 60 70 80 F
CHECK FILTER MONTHLY
AUTO EM. HEAT
Cover
OFF
M33762
Label Wires with Tags
3
Label the wires using the supplied wire labels as you
disconnect them.
Wire Labels
3 69-2732ES—01
M28100
M33763
Separate Wallplate from
4
New Thermostat
Remove wallplate from the new thermostat and mount
onto wall.
TO REMOVE WALLPLATE
PULL HERE
M32731
Wallplate
69-2732ES— 01 4
Mount Wallplate
5
Mount the new wallplate using the included screws
and anchors.
Not
W/
Used
Aux
Drill 3/16-in. holes for drywall
Drill 3/32-in. holes for plaster
M32714
5 69-2732ES—01
Connect Wires
6
Simply match wire labels.
INSERT WIRES
AND TIGHTEN
SCREWS
WIRE
HOLE
LABELED
G
Y
W
WIRES
R
SCREW
W
Not
Used
M32732
Remove metal jumper if you have both R and Rc wires.
Labels don’t match? See page 18.
We are here to help.
Call 1-800-468-1502 for wiring assistance.
69-2732ES— 01 6
Install Batteries
7
Install two AAA alkaline batteries.
RTHXXXX
Back of thermostat
M32707
7 69-2732ES—01
Set fan operation switch
8
Move the switch to the proper setting:
Gas or Oil: For gas or oil heating systems, leave the fan
operation switch in this factory-set position (for systems
that control the fan in a call for heat).
Electric or Heat Pump: Change the switch to this setting
for heat pump or electric heat systems. (This setting is for
systems that allow the thermostat to control the fan in a
call for heat, if a fan wire is connected to the G terminal.)
RTHXXXX
GAS OR OIL
ELECTRIC OR HEAT PUMP
GAS OR OIL
ELECTRIC OR HEAT PUMP
M32716
69-2732ES— 01 8
Install Thermostat onto Wallplate
9
Install thermostat onto the wallplate on the wall.
Not
W/
Used
Aux
Fan
Heat Off Cool
Heat Off Cool Auto On
Fan
Auto On
M33588
9 69-2732ES—01
10
Turn the power back on to the heating/cooling system.
Turn Power Back On
ON
or
69-2732ES— 01 10
11
If your system type is...
If your system type is:
q Single Stage Heat and Cool
q Heat Only or Cool Only
Congratulations, you’re done!
If you are not sure of your system type or if you have
other questions, call us toll-free at 1-800-468-1502.
This thermostat works on 24 volt or 750 mV systems.
It will NOT work on multi-stage heat pump, multi-stage
conventional system or 120/240 Volt systems.
11 69-2732ES—01
Advanced Installation
Enter system setup ............................................................13
Changing settings ..............................................................14
Heating cycle rate ..............................................................15
Temperature display ...........................................................16
Compressor protection ......................................................17
Alternative wiring ................................................................18
Troubleshooting ..................................................................19
Customer assistance .........................................................20
Limited warranty .................................................................21
RT H 111
System setup
Enter System Setup
To enter system setup, press and hold both the s and
t buttons until the display changes (approximately 5
seconds).
SETUP WIRING ASSISTANCE TROUBLESHOOTING
Heat Off Cool
Auto On
Fan
M33589
13 69-2732ES—01
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