Honeywell Home RTH111 Series User manual

Owner’s Manual
Read before installing
For help please visit
honeywellhome.com
RTH111
Series
RTH111B1042
Non-
Programmable
Thermostat
Heat Off Cool
Auto On
Fan
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
backup heat or on multistage systems.

2
NOTICE: To avoid possible compressor damage, do not run air
conditioner if the outside temperature drops below 50 °F (10 °C).
ATTENTION: MERCURY RECYCLING
NOTICE
This product does not contain mercury.
However, this product may replace a product
that contains mercury. Mercury and products
containing mercury should not be discarded in
household trash.
For more information on how and where to
properly recycle a thermostat containing
mercury in the United States, please refer to the
Thermostat Recycling Corporation at
www.thermostat-recycle.org.
For mercury thermostat recycling in Canada,
please refer to Switch the Stat at
www.switchthestat.ca
NO MERCURY
SANS MERCURE
Hg
RTHXXXX
M32707
Customer assistance
For assistance with this product, please visit
honeywellhome.com
Or call Resideo Customer Care toll-free at
18004681502.
To save time, please note your model
number and date code before calling.
Pull at bottom to remove thermostat from
wallplate.
Turn thermostat over to find model number
and date code.

3
Installation
Installation.......................................................3
Advanced Installation ................................8
About your new thermostat
Controls and Home screen
quick reference...........................................10
Compressor protection...........................11
Replace batteries.......................................11
Appendices
Troubleshooting.........................................12
Limited warranty........................................13
Table of contents
1 Turn Off Power to Heating/Cooling System
or
M31535
Circuit breaker
box Heating/cooling system power switch

4
Do not remove wallplate yet
3 Label Wires with Tags
Label the wires using the supplied wire labels as you disconnect them.
Wire Labels
www.honeywellhome.com
C
C
MCR33823
Terminal
designation
If you have an older thermostat with
a sealed mercury tube, turn to page
2for proper disposal instructions.
Terminal designation
C
C
MCR31537
2 Remove Old Thermostat
Remove old thermostat but leave wallplate with wires attached.
4 Separate Wallplate from New Thermostat
Remove wallplate from the new thermostat and mount onto wall.
M32731
TO REMOVE WALLPLATE
PULL HERE
Wallplate

5
5 Mount Wallplate
Mount the new wallplate using the included screws and anchors.
Drill 3/16-in. (4,76 mm ) holes for drywall
Drill 3/32-in. (2,38 mm ) holes for plaster
6 Connect Wires
Simply match wire labels.
If labels do not match letters on the thermostat, check “Alternate Wiring” on
page 6 and connect to terminal as shown (see notes, below).
We are here to help. Call 18004681502 for wiring assistance.
W/
Aux
Not
Used
M32714
Remove metal
jumper if you
have both Rand
Rc wires.
M32732
SCREW
INSERT WIRES
AND TIGHTEN
SCREWS
WIRE
HOLE
LABELED
WIRES
W
G
R
Not
Used
W
Y

6
Alternate Wiring
If labels do not match letters on the thermostat, check the chart below and
connect to terminal as shown here (see notes, below).
If wires will be connected to both Rand Rc terminals, remove metal
jumper.
Do not use Cor X. Wrap bare end of wire with electrical tape.
If you have a heat pump without auxiliary/backup heat connect Oor B,
not both. If you do not have a heat pump, do not connect B. Wrap bare
end of wire with electrical tape.
Place a jumper (piece of wire) between Yand Wif you are using a heat
pump without auxiliary/backup heat.
7 Install Batteries
Install two AAA alkaline batteries.
Back of thermostat
RTHXXXX
M32707
B O G Y
WNOT
USED
R Rc
M32734
44

7
8 Set fan operation switch
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.)
9 Install Thermostat
onto Wallplate
Install thermostat onto the wallplate
on the wall.
RTHXXXX
M32716
GAS OR OIL
ELECTRIC OR HEAT PUMP
GAS OR OIL
ELECTRIC OR HEAT PUMP
10 Turn Power Back On
Turn the power back on to
the heating/cooling system.
M31544
or
Circuit breaker box Heating/cooling system
power switch
W/
Aux
Not
Used
M33588
Heat Off Cool Auto On
Fan
Heat Off Cool
Auto On
Fan

8
11 If your system type is...
If your system type is:
qSingle Stage Heat and Cool
qHeat 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 single stage 24 volt or 750 mV systems. It will NOT
work on multi-stage systems.
Advanced Installation
Enter System Setup
To enter system setup, press and
hold both the sand tbuttons until
the display changes (approximately
5 seconds).
Changing Settings
1. Press the sor tbutton to
change the setting.
2. Press the sand tbuttons
simultaneously for one second to
advance to the next function.
3. When the last function is
displayed, press the sand t
buttons to save any changes and
exit the menu.
M33589
Heat Off Cool Auto On
Fan
55
M33590
Function
Setting

9
NOTE: If you do not press any button for 60 seconds while you are in the
setup menu, the thermostat automatically saves any changes made and exits
the menu.
Function
Description
Press the sor tbutton to Setting
5 select your heating system and
optimize its operation
5 Gas or oil furnace: Use this setting if you have a standard gas or
oil furnace that is less than 90% efficient.
6 Electric furnace: Use this setting if you have any type of electric
heating system.
3 Heat pump, hot water or high-efficiency furnace:
Use this setting if you have a hot water system or a gas furnace of
greater than 90% efficiency.
2 Gas/oil steam or gravity system: Use this setting if you
have a steam or gravity heat system.
14 select Fahrenheit or Celsius
temperature display
0 Fahrenheit temperature display (°F)
1 Celsius temperature display (°C)
15* select Compressor Protection settings 1 On
0 Off
* Compressor Protection: This feature forces the compressor to wait approximately 5 minutes
before restarting, to prevent equipment damage. During the wait time, the message “Cool On” or
“Heat On” is displayed on screen.
About your new thermostat
Your new Resideo thermostat has been designed to give you many years of
reliable service and easy-to-use, push-button climate control.
• Displays ambient (measured) temperature at all times
• One-touch access to setpoint temperature
• Built-in compressor protection

10
Lo
Batt
Set
Cool
77
M32763
On
M33586
Heat Off Cool Auto On
Fan
Thermostat controls
Temperature
adjustment
Press the up or
down buttons
until you reach
the desired
temperature.
NOTE: Make sure
the SYSTEM switch
is set to the system
you want to control
(Heat or Cool).
Fan Switch is used to control your fan.
In “Auto” mode, the fan runs only when the
heating or cooling system is on.
If set to “On,” the fan runs continuously.
System Switch
is used to control
your heating or
cooling system.
• Heat: Heating
system control.
• Off: All systems
off.
• Cool: Cooling
system control.
Display screen
Low battery warning
(see page 11)
Setpoint indicator
Appears when the setpoint
temperature is displayed.
Temperature
The ambient (measured)
temperature is normally
displayed. To view the
setpoint temperature,
press the Up or Down
button once. The setpoint
temperature will appear
for five seconds.
System status
Cool on: Cooling system is on.
Heat on: Heating system is on.
When Cool On is flashing, compressor
protection is engaged (see page
11).

11
Set
Cool
77
M32769
On
Built-in compressor protection
This feature helps prevent damage
to the compressor in your air
conditioning or heat pump system.
Damage can occur if the compressor
is restarted too soon after shutdown.
This feature forces the compressor to
wait 5 minutes before restarting.
During the wait time, the display will
flash the message Cool On (or Heat
On if you have a heat pump). When
the safe wait time has elapsed, the
message stops flashing and the
compressor turns on.
Battery replacement
Install two fresh AAA batteries when
Lo Batt flashes on the screen. Lo
Batt appears for 60 days before the
batteries are depleted.
Replace batteries once a year, or
when you will be away for more than a
month.
Most settings are stored in non-
volatile (permanent) memory. Only
the clock and the day must be set
after you replace the batteries.
Pull at bottom to
remove thermostat from
wallplate.
Turn thermostat
over, insert fresh AAA
alkaline batteries,
then reinstall
thermostat.
Set the System switch to Off before removing
the batteries. Otherwise, the heating/cooling
system could remain activated even when
batteries are removed.
RTHXXXX
M32707
W/
Aux
Not
Used
M33588
Heat Off Cool Auto On
Fan
Heat Off Cool
Auto On
Fan

12
Troubleshooting
If you have difficulty with your thermostat, please try the following
suggestions. Most problems can be corrected quickly and easily.
Display is
blank • Make sure fresh AAA alkaline batteries are correctly installed.
Heating
or cooling
system does
not respond
• Set system switch to Heat. Make sure the temperature is
set higher than the Inside temperature.
• Set system switch to Cool. Make sure the temperature is
set lower than the Inside temperature.
• Wait 5 minutes for the system to respond.
Cannot
change
setpoint
Verify the system switch is set to Heat or Cool mode. The
thermostat should allow you to change the setpoint within
the following ranges:
• Heat: 40° to 90°F (4.5° to 32°C).
• Cool: 50° to 99°F (10° to 37°C).
“Cool On” or
“Heat On” is
flashing
• Compressor protection feature is engaged. Wait
5 minutes for the system to restart safely, without
damage to the compressor.
“Heat On” is
not displayed • Set the System switch to Heat, and set the temperature level above the current room temperature.
“Cool On” is
not displayed • Set the System switch to Cool, and set the temperature level below the current room temperature.
For assistance with this product, please visit honeywellhome.com or call
Resideo Customer Care toll-free at 18004681502.
Electrical Ratings
Terminals Voltage
(50 Hz/60 Hz) Running Current
WHeating 20 VAC30 VAC 1.0 A
WPower Pile Heating 750 mV DC 100 mA DC
YCompressor 20 VAC30 VAC 1.0 A
OChangeover, Cooling 20 VAC30 VAC 0.5 A
BChangeover, Heating 20 VAC30 VAC 0.5 A
GFan 20 VAC30 VAC 0.5 A

13
1-year limited warranty
Resideo warrants this product, excluding battery, to be free from defects in
workmanship or materials, under normal use and service, for a period of one (1) year
from the date of first purchase by the original purchaser. If at any time during the
warranty period the product is determined to be defective due to workmanship or
materials, Resideo shall repair or replace it (at Resideo’s option).
If the product is defective,
(i) return it, with a bill of sale or other dated proof of purchase, to the place from which
you purchased it; or
(ii) call Resideo Customer Care at 18004681502. Customer Care will make the
determination whether the product should be returned to the following address:
Resideo Return Goods, 1985 Douglas Dr. N., Golden Valley, MN 55422, or whether a
replacement product can be sent to you.
This warranty does not cover removal or reinstallation costs. This warranty shall not
apply if it is shown by Resideo that the defect was caused by damage which occurred
while the product was in the possession of a consumer.
Resideo’s sole responsibility shall be to repair or replace the product within the terms
stated above. RESIDEO SHALL NOT BE LIABLE FOR ANY LOSS OR DAMAGE OF ANY
KIND, INCLUDING ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING,
DIRECTLY OR INDIRECTLY, FROM ANY BREACH OF ANY WARRANTY, EXPRESS OR
IMPLIED, OR ANY OTHER FAILURE OF THIS PRODUCT.
Some states do not allow the exclusion or limitation of incidental or consequential
damages, so this limitation may not apply to you.
THIS WARRANTY IS THE ONLY EXPRESS WARRANTY RESIDEO MAKES ON THIS
PRODUCT. THE DURATION OF ANY IMPLIED WARRANTIES, INCLUDING THE
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, IS
HEREBY LIMITED TO THE ONE YEAR DURATION OF THIS WARRANTY. Some states do
not allow limitations on how long an implied warranty lasts, so the above limitation may
not apply to you.
This warranty gives you specific legal rights, and you may have other rights which vary
from state to state. If you have any questions concerning this warranty, please write
Resideo Customer Care, 1985 Douglas Dr, Golden Valley, MN 55422 or call
18004681502.

Resideo Inc., 1985 Douglas Drive North
Golden Valley, MN 55422
www.resideo.com 33-00137EF—01 M.S. 09-19 |
Printed in United States
This product is manufactured by Resideo Technologies, Inc., Golden Valley, MN,
1-800-468-1502
©2019 Resideo Technologies, Inc. The Honeywell Home trademark is used under
license from Honeywell International Inc. All rights reserved.
33-00137EF-01

Heat Off Cool
Auto On
Fan
Manuel du
propriétaire
Lire avant l’installation
Pour obtenir de l’aide, veuillez
visiter le site
honeywellhome.com
RTH111
Série
RTH111B1042
Thermostat non
programmable
Identifier le type de système
Ce thermostat est compatible avec les systèmes suivants :
• Appareil de chauffage au gaz, à l’huile ou à l’électricité
• Système de climatisation centrale
• Système d’eau chaude avec ou sans pompe
• Système à millivolts
• Système de chauffage et de climatisation central
• Thermopompe sans système de chauffage de secours (auxiliaire)
Avez-vous besoin d’aide? Nous sommes ici pour
vous aider.
Composez le 18004681502 pour obtenir de l’aide pour
le câblage avant de retourner le thermostat au magasin.
Ce thermostat ne peut pas être utilisé avec les
thermopompes dotées d’un système de chauffage de
secours ou avec des systèmes à plusieurs étages.

2
AVIS : Afin d’éviter tout dommage éventuel au compresseur, ne faites
pas fonctionner le climatiseur si la température extérieure chute en
dessous de 10 °C (50 °F).
ALERTE : AVIS DE RECYCLAGE DU
MERCURE
Ce produit ne contient pas de mercure.
Toutefois, ce produit peut remplacer un produit
contenant du mercure. Le mercure et les
produits contenant du mercure ne doivent pas
être jetés dans les ordures ménagères.
Pour obtenir de plus amples renseignements
sur la façon de recycler correctement un
thermostat contenant du mercure aux États-
Unis, veuillez vous reporter à la société de
recyclage des thermostats au
www.thermostat-recycle.org.
Pour le recyclage de thermostats au mercure au
Canada, veuillez consulter le site Web de Switch
the Stat au www.switchthestat.ca
NO MERCURY
SANS MERCURE
Hg
RTHXXXX
M32707
Assistance clientèle
Pour obtenir de l’aide pour ce produit, visitez
le site honeywellhome.com
Ou communiquez avec le service à la
clientèle de Resideo au numéro sans frais
18004681502.
Pour gagner du temps, veuillez noter votre
numéro de modèle et de votre code de date
avant d’appeler.
Tirez sur le bas pour retirer le thermostat de
la plaque murale.
Retournez le thermostat pour trouver le
numéro de modèle et le code de date.

3
Installation
Installation.......................................................3
Installation avancée....................................8
À propos de votre nouveau
thermostat
Commandes et référence rapide de
l’écran d’accueil..........................................10
Protection du compresseur .................11
Remplacement des piles.......................11
Annexes
Dépannage...................................................12
Garantie limitée..........................................13
Table des matières
1 Coupez l’alimentation du système de chauffage
et de climatisation
M31535
ou
au niveau
du boîtier
disjoncteurs
du commutateur
d’alimentation du
système de chauffage
et de climatisation

4
Ne retirez pas encore la
plaque murale
3 Identifiez les fils avec des étiquettes
Étiquetez les fils à l’aide des étiquettes de fils fournies lorsque vous les
déconnectez.
Étiquettes de fils
www.honeywellhome.com
C
C
MCR33823
Distinction
des bornes
Si vous avez un thermostat plus ancien
muni d’un tube de mercure scellé, allez à la
page 2 pour connaître les instructions
d’élimination appropriées.
Désignation du terminal
C
C
MCR31537
2 Retirez le vieux thermostat
Retirez le vieux thermostat, mais laissez la plaque murale avec les fils fixés.
4 Séparez la plaque murale du nouveau
thermostat
Retirez la plaque murale du nouveau thermostat et fixez-la sur le mur.
M32731
TO REMOVE WALLPLATE
PULL HERE
Plaque murale

5
5 Montez la plaque murale
Montez la nouvelle plaque murale à l’aide des vis et des chevilles fournies.
Percez des trous de 4,76 mm (3/16 po) dans le gypse
Percez des trous de 2,38 mm (3/32 po) dans le plâtre
6 Branchez les fils
Il suffit de faire correspondre les étiquettes de fil.
Si les étiquettes ne correspondent pas aux lettres sur le thermostat, consultez
la section « Câblage alternatif » à la page 6 et connectez-les à la borne
comme indiqué (voir les notes ci-dessous).
Nous sommes là pour vous aider. Composez le 18004681502 pour obtenir
de l’aide pour le câblage.
W/
Aux
Not
Used
M32714
MF32732
VIS
INSÉREZ LES
FILS ET SERREZ
LES VIS
TROU
DE FIL
FILS
ÉTIQUETÉS
W
G
R
Not
Used
W
Y
NON UTILISÉ
Retirez le
cavalier en
métal si vous
avez des fils R
et Rc .

6
RTHXXXX
M32707
Câblage alternatif
Si les étiquettes ne correspondent pas aux lettres sur le thermostat, consultez
le tableau ci-dessous et connectez-les à la borne comme indiqué ici (voir les
notes ci-dessous).
Si des fils sont raccordés aux bornes Rer Rc , retirez le cavalier métallique.
N’utilisez pas le Cou le X. Enrobez l’extrémité dénudée du fil avec du ruban
électrique.
Si vous avez une thermopompe sans système de chauffage auxiliaire ou
de secours, branchez le Oou le B, mais pas les deux. Si vous n’avez pas de
thermopompe, ne branchez pas le B. Enrobez l’extrémité dénudée du fil avec du
ruban électrique.
Placez un cavalier (bout de fil) entre Yet Wsi vous utilisez une thermopompe
sans système de chauffage auxiliaire ou de secours.
7 Installez les piles
Installez deux piles alcalines AAA neuves.
Arrière du thermostat
B O G Y
WNOT
USED
R Rc
MF32734
44
ou ou ou ou ou ou
NE procédez
PAS au
branchement
NON UTILISÉ