HONEYWELL RTH2CWF - Thermostat

RTH2CWF - Thermostat HONEYWELL - Free user manual and instructions

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Download the instructions for your Thermostat in PDF format for free! Find your manual RTH2CWF - HONEYWELL and take your electronic device back in hand. On this page are published all the documents necessary for the use of your device. RTH2CWF by HONEYWELL.

USER MANUAL RTH2CWF HONEYWELL

Installation and User Guide

HONEYWELL RTH2CWF - Installation and User Guide - 1

text_image MODE 12:59 PM Set To Heat Indoor 73 MENU 72 FAN Auto Heat On Hold

M39487

This document contains the following sections:

1) Installation and Wiring
2) Configuration
3) System Operation
4) Troubleshooting

Package includes:

HONEYWELL RTH2CWF - Package includes: - 1

text_image Screws and anchors Literature and wire labels UWP™ mounting system (UWP) Thermostat Replacement accent piece M39543

Get the most from X2S Smart Thermostat

Multiple programming options that fit your lifestyle:

HONEYWELL RTH2CWF - Get the most from X2S Smart Thermostat - 1

  1. Location-Based scheduling (Auto Away) – The thermostat uses your smartphone’s location to know when you’re away, and saves you energy. Through geofence technology, it senses your return and helps make you comfortable upon arrival. You can always manually change your preset Home and Away temperature either on the thermostat or on the First Alert app.

  2. Smart scheduling – Use a combination of geofencing and time scheduling to fit your busy, active lifestyle.

3.Time-Based scheduling – Program your thermostat for one week; each day (each day is a different schedule); Mon-Fri, Sat, Sun; or Mon-Fri, Sat-Sun. All days with four adjustable periods per day.

HONEYWELL RTH2CWF - Get the most from X2S Smart Thermostat - 2

Smart Alerts. Push notifications remind you of filter changes and warn you of extreme indoor temperatures.

HONEYWELL RTH2CWF - Get the most from X2S Smart Thermostat - 3

Smart Response. Learns your heating and cooling system to deliver the optimal temperature at the right time.

HONEYWELL RTH2CWF - Get the most from X2S Smart Thermostat - 4

Auto Change From Heat to Cool. Automatically determine if your home needs heating or cooling to provide maximum comfort.

Tools you will need:

HONEYWELL RTH2CWF - Tools you will need: - 1
Phillips screwdriver

HONEYWELL RTH2CWF - Tools you will need: - 2
Small flat head screwdriver

HONEYWELL RTH2CWF - Tools you will need: - 3
Pencil

HONEYWELL RTH2CWF - Tools you will need: - 4
Level

HONEYWELL RTH2CWF - Tools you will need: - 5

natural_image Simple line drawing of a smartphone with a blank screen and rounded top (no text or symbols)

HONEYWELL RTH2CWF - Tools you will need: - 6
Home WiFi Password

Smartphone
To install your thermostat and photograph existing wiring.
HONEYWELL RTH2CWF - Tools you will need: - 7
First Alert app
To configure your system and connect to your smartphone.

You may need:

HONEYWELL RTH2CWF - You may need: - 1

natural_image Simple line drawing of a three-blade pliers or tools (no text or symbols)

Wire stripper

HONEYWELL RTH2CWF - You may need: - 2

natural_image Line drawing of a handheld electric drill (no text or symbols)

HONEYWELL RTH2CWF - You may need: - 3
Needle-nose pliers Drill and
drill bit (3/16 in)

Compatibility

  • For indoor use only
  • Compatible with most heating, cooling, and heat pump systems
  • Required: 24 VAC power ("C" wire)
  • Does not work with electric baseboard heat (120-240V)
  • Does not support input (S terminals) for indoor and outdoor sensors
  • Does not support relay (U terminals)
  • Android or iOS smartphone, tablet, or device
  • Compatible with a 2.4 or 5 GHz WiFi network

For help, contact:

WEB honeywellhome.com

PHONE 1-800-633-3991

SOCIAL Twitter: @Honeywell_Home, Facebook: Honeywell Home

READ AND SAVE THESE INSTRUCTIONS

Installation and Wiring

Removing the old thermostat

1 Turn power OFF.

To protect yourself and your equipment, turn off the power at the breaker box or switch that controls your heating/ cooling system.

2 Check that your system is off.

Change the temperature on your old thermostat to be above room temperature in heat mode or below it in cool mode. If you don't hear the system turn on within 5 minutes, the power is off. Note: If you have a digital thermostat that has a blank display, skip this step

3 Remove the old thermostat's faceplate.

On most thermostats, you can take off the faceplate by grasping and gently pulling. Some thermostats may have screws, buttons, or clasps.

Do not remove any wires from your thermostat at this time!

HONEYWELL RTH2CWF - Remove the old thermostat's faceplate. - 1

text_image OFF ON OFF Switch M39500

Breaker box

HONEYWELL RTH2CWF - Remove the old thermostat's faceplate. - 2

text_image 75

HONEYWELL RTH2CWF - Remove the old thermostat's faceplate. - 3

natural_image Illustration of a hand inserting a card into a digital card (no text or symbols visible)

4 Make sure there are no 120/240V wires.

Do you have thick black wires with wire nuts?

HONEYWELL RTH2CWF - Remove the old thermostat's faceplate. - 4

Is your thermostat 120V or higher?

If you answered yes to either of these questions, you have a line voltage system and the thermostat will not work.

5 Take a picture of how your wiring looks right now.

Be sure to include the letters next to the terminals where the wires are inserted. This will be a helpful reference when wiring your thermostat.

Tip: If the color of your wires has faded or if 2 terminals have the same wire color, use the wire labels provided in the package to label each wire.

6 Make note of any jumpers

A jumper connects one terminal to another terminal. It may look like a small staple or even a colored wire.

HONEYWELL RTH2CWF - Remove the old thermostat's faceplate. - 5

text_image Wire nut Thick black wire M36753

HONEYWELL RTH2CWF - Remove the old thermostat's faceplate. - 6

natural_image Illustration of a hand holding a smartphone displaying a grid-based interface with icons, alongside a device with buttons (no text or symbols visible)

HONEYWELL RTH2CWF - Remove the old thermostat's faceplate. - 7

text_image Example of a jumper Y RRC Terminals

7 Record whether you have wires in the following terminals.

Do not include jumpers as a part of your count. The thermostat does not need jumpers.

Terminal Wire Color

HONEYWELL RTH2CWF - Remove the old thermostat's faceplate. - 8

text_image □ R □ RH □ Rc

8 Write down the color of the wires.

Check mark the wires that are connected to terminals. Next to the check mark, write down the color of the wire. Do not include jumpers as a part of your count.

Check all that apply (Not all will apply):

HONEYWELL RTH2CWF - Remove the old thermostat's faceplate. - 9

text_image Terminal Wire Color Y Y2 G C required Terminal Wire Color A or L/A O/B W2 or AUX E W K M39554

S and U terminals are not supported with this thermostat.

If there are wires in terminals that are not listed, you will need additional wiring support. Visit honeywellhome.com to find out if the thermostat will work for you.

9 Disconnect the wires and remove the old wall plate.

Use a screwdriver to release wires from terminals. Then, use a wire label to identify each wire as it's disconnected. The letter on the wire label should match the letter on the terminal.

Tip: To prevent wires from falling back into the wall, wrap the wires around a pencil.

HONEYWELL RTH2CWF - Remove the old thermostat's faceplate. - 10

natural_image Hand holding a device with buttons and a display panel, no text or symbols visible

HONEYWELL RTH2CWF - Remove the old thermostat's faceplate. - 11

text_image Wing Labels Apply these writing keys to apply this link with the appropriate written designations as you remains in both the existing registered. B Y2 Y2 C E E F F G H H L L O O P P R R RC RC RH RH T T U U VWR VWR W W1 W1 W2 W2 W3 W3 X X X1 X1 X2 X2 Y Y Y1 Y1 M28100B

Installing your X2S Thermostat

HONEYWELL RTH2CWF - Installing your X2S Thermostat - 1

text_image Calling your X2S Thermostat Thermostat Screws UWP Mounting System Anchors Wall M39546

1 Bundle and insert wires through the UWP.

Pull open the UWP and insert the bundle of wires through the back of the UWP.

Make sure at least 1/4-inch of each wire is exposed for easy insertion into the wire terminals.

HONEYWELL RTH2CWF - Bundle and insert wires through the UWP. - 1

text_image 1/4° to 3/8° M39442A

2 Insert the wall anchors.

It is recommended that you use the wall anchors included in the box to mount your thermostat.

You can use the UWP to mark where you want to place the wall anchors.

a) Level the wall plate.
b) Mark the location of the wall anchors using a pencil.
c) Using a 3/16" bit, drill the holes.
d) Insert wall anchors.
e) Make sure anchors are flush with wall.

HONEYWELL RTH2CWF - Insert the wall anchors. - 1

text_image 90° M37224

3 Set R-switch position and insert R-wire or wires. Set the R-switch up or down based on your wiring notes in Step 7

HONEYWELL RTH2CWF - Insert the wall anchors. - 2

natural_image Illustration of hands using a tool to draw a cable or wire on a plug (no text or symbols visible)

Insert wires into the inner holes of the terminals on the UWP. The tabs will stay down once the wire is inserted.

NOTE: Wiring options are shown on the following pages.

If you have 1 R-wire (R,Rh, or Rc)

HONEYWELL RTH2CWF - If you have 1 R-wire (R,Rh, or Rc) - 1

text_image U & R WIRES — 1 WIRE — — 2 WIRE — M37226
  1. Set R-switch to the up position.

HONEYWELL RTH2CWF - If you have 1 R-wire (R,Rh, or Rc) - 2

text_image 2. M3722BA
  1. Insert your R-wire (R, Rh or Rc) into R-terminal.

or

If you have 2 R-wires (R or Rh, and Rc)

HONEYWELL RTH2CWF - If you have 2 R-wires (R or Rh, and Rc) - 1

text_image U & R WIRES — 1 WIRE — — 2 WIRE — A W1 C W K 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 M27607
  1. Set R-switch to the down position.

HONEYWELL RTH2CWF - If you have 2 R-wires (R or Rh, and Rc) - 2

text_image 2. 3.
  1. Insert your Rc wire into Rc-terminal
  2. Insert your R or Rh wire into R-Terminal.

HONEYWELL RTH2CWF - If you have 2 R-wires (R or Rh, and Rc) - 3

text_image 0 K 0 R 0 Rc M37229A

Wiring

Conventional Systems

If labels do not match terminals, connect wires as shown below (see notes, below).

WIRING NOTES:

  1. If you must connect both R and Rc wires, set the R Slider Tab to the down position (2 wires).
  2. If your old thermostat had both R and RH wires, set the R Slider Tab to the down position (2 wires). Then connect the R wire to the Rc terminal, and the RH wire to the R terminal.

Heat Pumps

WIRING NOTES:

  1. Keep R Slider Tab in the up position (1 wire).
  2. If your old thermostat had both V and VR wires, stop now and contact a qualified contractor for help.
  3. If your old thermostat had separate O and B wires, attach the B wire to the C terminal. If another wire is attached to the C terminal, stop now and contact a qualified contractor for help.

IMPORTANT: Do NOT use W for heat pump applications. Auxiliary heat must wire to AUX or E.

HONEYWELL RTH2CWF - WIRING NOTES: - 1

text_image or Y1 or M 3 or F or X or B or V or VR 1 2 U & R WIRES -1 WBC -2 WBS Y C Y2 G C C C L/A O/B AUX E D W2 W K R Rc or F or H or B 3 or W or W1 or W2 4 or X or X2 or V or VR 1 2 M39560

4 Connect wires to the UWP.

Refer to the notes you recorded on the chart during removal. Depress the tabs to put the wires into the inner holes of their corresponding terminals on the UWP (one wire per terminal) until it is firmly in place.

5 Confirm wiring matches snapshot.

Confirm wiring matches terminals from the photo you took during removal.

6 Mount the UWP and close the door.

Mount the UWP using the provided screws. Install all three screws for a secure fit on your wall. Close the door after you're finished.

7 Attach your thermostat.

Align the thermostat onto the UWP and firmly snap it into place.

8 Turn your power ON.

Turn on the power at the breaker box or switch that controls the heating/ cooling system.

HONEYWELL RTH2CWF - Turn your power ON. - 1

text_image S 0 S 0 Y 0 Y2 0 G 0 C 0 U 0 U

This wiring is just an example; yours may vary.

HONEYWELL RTH2CWF - Turn your power ON. - 2

text_image Use #6 1- M39445

Use 3x supplied #6 1-1/2" screws

HONEYWELL RTH2CWF - Turn your power ON. - 3

natural_image Line drawing of a hand holding a digital camera with an attached device (no text or symbols)

HONEYWELL RTH2CWF - Turn your power ON. - 4

text_image ON ON OFF Switch M39591

Breaker box

9 Return to the thermostat

Return to the thermostat. Confirm the screen shows SETUP. If it does, either select USING APP and continue to "Setup Using App" below or select ON DEVICE and continue to "Configuration" on the next page.

HONEYWELL RTH2CWF - Return to the thermostat - 1

text_image SETUP Swing App On Device Smart

M39557

System Setup Setup with First Alert App

1 Start setup with the app

Touch USING APP on thermostat

2 Your thermostat is ready to be configured using the First Alert app

a) Download the First Alert app from the app store or Google play.
b) Open the First Alert app. Your thermostat should appear under thermostat found. Tap SET UP NOW as shown below to continue. If your thermostat doesn't appear, create an account (if necessary), or sign in to your First Alert account. Then select the X2S thermostat to install.
c) The First Alert app will walk you through the rest of setup.

A
HONEYWELL RTH2CWF - Your thermostat is ready to be configured using the First Alert app - 1

text_image Available on the App Store Get it on Google play

B
HONEYWELL RTH2CWF - Your thermostat is ready to be configured using the First Alert app - 2

text_image Thermostat Found: SET UP NOW

C
HONEYWELL RTH2CWF - Your thermostat is ready to be configured using the First Alert app - 3

text_image Connected to Thermoport How to combine your info. NEXT

Configuration

Set Time and Date

During installation the thermostat will already have the year flashing once you select ON DEVICE.

Time

  1. Press MENU on the thermostat
  2. Press ↑ or ↓ to go to TIME and press SELECT
  3. Press ↑ or ↓ to choose 12 or 24 hour clock format and press NEXT
  4. Press or to adjust the hour and press NEXT.

Date

  1. Press MENU on the thermostat
  2. Press ↑ or ↓ to go to DATE and press SELECT
  3. Press ↑ or ↓ to choose YEAR and press NEXT
  4. Press ↑ or ↓ to choose MONTH and press NEXT
  5. Press ↑ or ↓ to choose DATE and press SAVE and then EXIT

System Setup

On initial setup, the thermostat will enter the ISU menu after setting the time and date. If entering the ISU menu after initial setup, follow the steps below:

  1. Press and hold the bottom left button and Up arrow ↑ button for 5 seconds to access the INSTALLER SETUP

  2. The display shows the ISU number on the left and the ISU setting on the right.

When an ISU number is displayed, press or to change the setting for that ISU.

  1. After choosing the correct setting for an ISU, press NEXT to advance to the next ISU setting.

  2. To finish setup, press the SAVE & EXIT button; this will save your settings and return to the Home screen.

HONEYWELL RTH2CWF - System Setup - 1

text_image MODE Heat 1200µm 72 Set To: 68 Following Schedule MENU FAN Auto Hold V39509

HONEYWELL RTH2CWF - System Setup - 2

text_image TIME Set Hold M39510

HONEYWELL RTH2CWF - System Setup - 3

text_image ISU OK Select Hold IVS9505

HONEYWELL RTH2CWF - System Setup - 4

text_image 2000 Set To Exit Back Next Hold V39506

Installer Setup Options (ISU)

Depending on system settings, not all options may be available

ISU ISU Name ISU Options (factory default in bold)
1040Scheduling Options(Schedule can be turned on or off by user under menu-schedule)1 = 1 week (all days the same)2 = 5-2 Programmable (separate weekdays and weekend)3 = 5-1-1 Programmable (separate Saturday and Sunday)4 = 7-Day Programmable (each day separate)
1050 Temperature Indication ScaleF = Fahrenheit (Default varies by model)C = Celsius
2000 Heating System Type1 = Conventional Forced Air Heat2 = Heat Pump3 = Radiant Heat (Boiler)5 = None (Cool Only)
2010 Heating Equipment TypeConventional Forced Air Heat.1 = Standard Efficiency Gas Forced Air2 = High Efficiency Gas Forced Air3 = Oil Forced Air4 = Electric Forced Air5 = Hot Water Fan CoilISU 2010 not shown when 2000 = heat pumpRadiant Heat:9 = Hot Water Radiant Heat12 = Steam
2060 Reversing Valve O/B0= 0 (O/B in Cool)1=B (O/B in Heat)
2070Cool Stages/Compressor Stages200 = Conv/200 = HP0,1, 2 (1 if 2000 = 2)
2071Heat Stages/Backup Heat StagesHeat Stages: 1, 2Backup Heat Stages: 0, 1
2180Backup Heat Source (Heat Pump with Aux Heat stage only)31=Electric Forced Air
3000 System Changeover0 = Manual1 = Automatic
4090 Smart Response0=No1=YesSmart Response is a comfort setting. Heating or cooling equipment will turn on earlier, ensuring the indoor temperature will match the setpoint at the scheduled time.
4103 Minimum Heat Setpoint32 °F to 90 °F Default 40°F0 °C to 32.0 °C Default 4.5 °CDo not set this lower than 40F/4.5C unless this is installed in a location where pipes are not at risk of freezing.
Continued on the next page

Installer Setup Options, continued from the previous page

ISU ISUName ISU Options (factory default in bold)
7110 Air Filter Replacement Reminder0 = Off1 = 10 Run Time Days2 = 20 Run Time Days3 = 30 Run Time Days4 = 45 Run Time Days5 = 60 Run Time Days6 = 90 Run Time Days7 = 120 Run Time Days8 = 150 Run Time Days9 = 30 Calendar Days10 =45 Calendar Days11 =60 Calendar Days12 =75 Calendar Days13 =3 Calendar Months14 =4 Calendar Months15 =5 Calendar Months16 =6 Calendar Months17 =9 Calendar Months18 =12 Calendar Months19 =15 Calendar Months
14005 Idle screen selection0 - Minimum Information shown1 - Setpoint shown on idle screen2 - Maximum display information shown
14006 Idle screen message center1 - Time4 - Indoor Humidity
14007 Home screen message center1 - Time4 - Indoor Humidity
14010 Clock format 12/24
14015 Daylight Saving Time0=Off1=On

How to use your First Alert App
HONEYWELL RTH2CWF - Installer Setup Options (ISU) - 1

text_image Dashboard Thermostat Temperature Humidity 75°48% Heat to 72° Set desired temperature Modes System Auto Fan Auto Select Fan mode Auto/On/Circulate. Trends Runtime Schedule Schedule Off Schedule your home comfort M39568

Interested in more Resideo products? Visit honeywellhome.com to learn about all available products connected by the First Alert App.

App is regularly enhanced and may change.

System Operation Settings

  1. Press the MODE button to cycle to the next available System mode
  2. Cycle through the modes until the desired System mode is displayed
    Available System modes vary by model and system settings.

System modes:

  • AUTO
  • HEAT
  • COOL
  • EM HEAT
  • OFF

HONEYWELL RTH2CWF - System modes: - 1

text_image MODE 12:00 PM Set To 68 Indoor 72 Following Schedule Heat MENU IFAN Auto Hold M39511

Fan Operation Settings

  1. Press the FAN button to cycle to the next available Fan mode
  2. Cycle through the modes until the desired Fan mode is displayed

Available Fan modes vary with system settings.

Fan modes:

  • AUTO: Fan runs only when the heating or cooling system is on
    • ON: Fan is always on
    • CIRC: Fan runs randomly about 33% of the time

HONEYWELL RTH2CWF - Fan modes: - 1

text_image MODE 12:00 PM Set To 72 indoor 68 Following Schedule Heat MENU FAN Auto Hold M39512

Program Schedule

You can program four time periods each day, with different settings for weekdays and weekends. We recommend using the presets shown in the table at right; these presets are designed to reduce your heating/cooling expenses.

WAKE: Set to the time you wake up and your desired temperature during the morning until you leave for the day.

AWAY: Set to the time you leave home and your desired temperature while you are away (usually an energy-saving temperature).

HOME: Set to the time you return home and your desired evening temperature until bedtime.

SLEEP: Set to your bedtime and your desired overnight temperature (usually an energy-saving temperature).

HeatCool
Wake(6:00 am)70°78°
Away(8:00 am)62°85°
Home(6:00 pm)70°78°
Sleep(10:00 pm)62°82°

The above table is only an example. M36013A

Adjusting Program Schedules

(This could also be done using the First Alert App)

  1. Press MENU. Press ↑ or ↓ until SCHED is displayed.
  2. A square appears around ON or OFF in the display. If you want to use a schedule, press or to select ON. Press Select to edit the schedule or press EXIT to exit the menu.
  3. If editing the schedule, press SELECT to edit the day or days flashing in the display.
  4. The word Wake should be flashing. Press NEXT. Press ↑ or ↓ to turn this schedule period on or off. Press NEXT.
  5. If the schedule period was set to ON, the time will be flashing. Press or to adjust the time for this period. Press NEXT.
  6. The Heat setpoint will be flashing. Press ↑ or ↓ to adjust the Heat setpoint for this period. Press NEXT.
  7. The Cool setpoint will be flashing. Press ↑ or ↓ to adjust the Cool setpoint for this period. Press NEXT.

HONEYWELL RTH2CWF - Adjusting Program Schedules - 1

text_image SCHED Exit Select Hold

HONEYWELL RTH2CWF - Adjusting Program Schedules - 2

text_image 6:00 AM Heat To 69 Exit MO TU WE TH FR Back Away Home Sleep Next Hold M30532
  1. The display will show the next schedule period flashing. Repeat steps 4 – 7 for the Away, Home and Sleep schedule settings. After completing all schedule settings for the day(s) selected, repeat these steps for the other days.

  2. Press the SAVE & EXIT button at upper left.

When editing an existing schedule, you can advance to the setting you wish to change, edit that setting and press the SAVE & EXIT button to save changes.

Depending on what type of schedule the thermostat was set up for, days may be grouped or set individually.

Smart Response Feature

This feature allows the thermostat to “learn” how long the furnace and air conditioner take to reach programmed temperature settings, so the temperature is reached at the time you set. For example:

Set the Wake time to 6 am and the temperature to 70°. The heat will come on before 6 am, so the temperature is 70° by the time you wake at 6. The message “Active Recovery” is displayed when the system is activated before a scheduled time period.

Program Schedule Override (Temporary)

  1. Press or to adjust the temperature.
  2. Once at the desired setpoint temperature, no further action is needed. The new setpoint temperature will be held until the next scheduled time period begins.
  3. Press the SAVE button or wait for the display to time out and return to the Home screen.

To cancel the Temporary Hold, press and release the HOLD button to cycle through the settings until CANCEL HOLD is selected.

Program Schedule Override (Permanent)

  1. Press or to adjust the temperature.
  2. Once at the desired setpoint temperature, press and release the HOLD button to cycle through the settings until HOLD PERMANANTLY is selected.
  3. Press the SAVE button or wait for the display to time out and return to the Home screen.

To cancel the Permanent Hold, press and release the HOLD button to cycle through the settings until CANCEL HOLD is selected.

HONEYWELL RTH2CWF - Program Schedule Override (Permanent) - 1

text_image Save Hold Permanently Hold M38531

Alerts

When an alert is active, an A can will appear in the lower part of the display.

  1. Press MENU and use ↑ or ↓ until the alert is shown. Active alerts will be the first menu items shown.
  2. Press SELECT to display the alert number.
  3. An alert cannot be dismissed. If there is more than one active alert, pressing the NEXT button allows you to view any additional alert numbers. Press EXIT to return to the home screen.

Some alerts can be resolved by the homeowner, for example Set Time and Date. Other alerts may require a service call to the professional installer.

HONEYWELL RTH2CWF - Alerts - 1

text_image ALRT Exit Select Hold

HONEYWELL RTH2CWF - Alerts - 2

text_image M39513 400 6x1 Hold

M39592

Alert Number Alert Meaning
164 Heat Pump Fault.Heat pump is energizing L terminal to indicate a fault.
170 Thermostat Memory Failure.Internal problem with the thermostat memory.
171 Set Time and Date.
173 Internal Sensor Error.Issue with the built-in temperature sensor.
388 Register the Thermostat OnlineIf not using the app, WiFi and app related messages can be dismissed by going into the WiFi menu and turning WiFi to off.
399 No Internet Connection
400 WiFi Signal Lost
602 Humidity Sensor Failure
607 WiFi Communication Error

Reminders

When a reminder is active, a icon will appear in the lower part of the display.

  1. Press MENU and use ↑ or ↓ until the active reminder is shown. Active alerts and reminders will be the first menu items shown.
  2. Press SELECT to display the reminder.
  3. Once selected you will see the reminder message in scrolling text. Press DISMISS to reset the reminder or press EXIT to return to the home screen without resetting the reminder.

If there is more than one active reminder, press the NEXT button to view all reminders which have not been reset.

HONEYWELL RTH2CWF - Reminders - 1

text_image REPL Exit Dismiss Select Hold M39515

Accent Piece Replacement

One white and one grey accent piece are provided with the X2S thermostats to accommodate different user preferences.

HONEYWELL RTH2CWF - Accent Piece Replacement - 1
To replace an accent piece, pull it away from the thermostat...
...then snap the new accent piece on.

Troubleshooting

Display is blank • Check circuit breaker and reset if necessary.Make sure power switch for heating & cooling system is on.Make sure wire connections (especially C wire) are secure.Verify the R/Rc slider switch is set up if Rc doesn’t have a separate wire attached.
Heating or cooling does not runWhen running heat, display will show HEAT ON in lower right of displayWhen running cool, display will show COOL ON in lower right of displayIf display shows WAITING FOR EQUIPMENT under temperature reading, it is in compressor delay mode to protect the system. Wait 5 minutes to see if the thermostat makes a Heat or Cool callIf display does not indicate a call for Heat or Cool or WAITING FOR EQUIPMENT, verify the mode setting, temperature setpoint and room temperatureIf the Up or Down arrow is pressedUpper left of display shows mode settingUpper right shows setpointCenter of display shows room temperatureIf the issue persistsCheck circuit breaker and reset if necessaryMake sure power switch at heating & cooling system is onMake sure furnace door is closed securely
Heat or Aux Heat runs with CoolingVerify there is not a wire attached to W for heat pump systems. See Wiring sectionFor heat pump applications the reversing valve is energized in Heat on some heat pumps and Cool for other heat pumps. Verify that ISU 2060 is set correctlyVerify that no wires are shorted. Look for exposed sections of wire at the UWP
Heat or Aux heat runs with no call for heat or coolingVerify display does not indicate HEAT ON, COOL ON or AUX HEAT ONVerify there is not a wire attached to W for heat pump systems. See Wiring section.Verify that no wires are shorted. Look for exposed sections of wire at the UWP
Cannot change setpoint to desired settingVerify the mode setting (Heat, Cool, Auto, or Em Heat in upper left of display)The default setting ranges for these modes are:Heat or Em Heat: 40 °F to 90 °F (4.5 °C to 32.0 °C)-Cool: 50 °F to 99 °F (10.0 °C to 37.0 °C)
WAITING FOR EQUIPMENT shown in display under room temperatureThe compressor protection feature is engaged. Wait a few minutes for the system to safely restart to avoid damaging the compressor.

Frequently Asked Questions

Will the XS2 Smart thermostat still work if WiFi connection is lost?

Yes, the temperature can be adjusted directly at the thermostat. However, some features, including geofencing, are managed only through the First Alert app and will not function while the connection is down. The thermostat will automatically reconnect to WiFi once the network is restored.

A change was made on the First Alert app but it has not shown up on the XS2 Smart thermostat.

There may be a short delay after making temperature and setting changes in the First Alert app.

Can there be multiple users for geofencing?

Yes, there can be multiple users. Geofencing will trigger based on the last person to leave and the first person to return. To properly use geofencing with multiple users:

• Each user needs to create their own account.
• Each user should use their login ID and password across his or her devices, including smartphones and tablets.
- No two users should share the same account.

Can more than one user control the thermostat with the app?

Yes. Use the First Alert app to invite other users to download the app and share control of your thermostats. In the app, start at the Manage Users menu option and follow the prompts.

Note: All individuals with access to a thermostat share the same user privileges. Users added will be able to change the thermostat's settings, as well as add or delete other users.

Is there a way to extend the signal strength?

The range or distance of the WiFi signal is determined by the router. Check the router's manual for additional information.

There is an alert that says WiFi Signal Lost. What does that mean?

The WiFi signal to the thermostat has been lost. Wait for the thermostat to reconnect or select a new network within the First Alert app configuration menu. If the thermostat is unable to reconnect, you will need to troubleshoot the router to determine the cause.

Why is the thermostat showing up as offline (strike-through WiFi icon) on lower part of thermostat display?

If the thermostat displays a strike-through WiFi icon on its screen or shows up as offline on the First Alert app, it has lost connection to the network. Make sure the router is powered and broadcasting. The home's WiFi network may need to be reset by power cycling the router. Consult the router's instruction manual for directions on power cycling. When the network has been restored, the thermostat will automatically reconnect.

An activation email hasn't been received.

An activation email will be sent. An activation email is needed to complete the account setup. If an activation email is not received after five minutes, check the Spam folder of the email account.

If you do not find it in the Spam folder, click on the Resend button and the activation email will be resent. If you still do not receive your activation email, please contact the Technical Support team at 1-800-633-3991 for help.

Regulatory Information

FCC REGULATIONS

47 CFR § 15.19 (a)(3)

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:
1 This device may not cause harmful interference, and
2 This device must accept any interference received, including interference that may cause undesired operation.

47 CFR § 15.21 (USA only)

Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

47 CFR § 15.105 (b)

See https://customer.resideo.com/en-US/support/residential/codes-and-standards/FCC15105/Pages/default.aspx for additional FCC information for this product.

IC REGULATIONS RSS-GEN

This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada's licence-exempt RSS(s). Operation is subject to the following two conditions:

1 This device may not cause interference.

2 This device must accept any interference, including interference that may cause undesired operation of the device.

2-year Limited Warranty

For Warranty information go to Honeywellhome.com/support

HONEYWELL RTH2CWF - 2-year Limited Warranty - 1

CAUTION: ELECTRICAL HAZARD

Can cause electrical shock or equipment damage. Disconnect power before beginning installation.

HONEYWELL RTH2CWF - CAUTION: ELECTRICAL HAZARD - 1

CAUTION: EQUIPMENT DAMAGE HAZARD

Compressor protection is bypassed during testing. To prevent equipment damage, avoid cycling the compressor quickly.

HONEYWELL RTH2CWF - CAUTION: EQUIPMENT DAMAGE HAZARD - 1

CAUTION: MERCURY NOTICE

If this product is replacing a control that contains mercury in a sealed tube, do not place the old control in the trash. Contact your local waste management authority for instructions regarding recycling and proper disposal.

HONEYWELL RTH2CWF - CAUTION: MERCURY NOTICE - 1

CAUTION: ELECTRONIC WASTE NOTICE

The product should not be disposed of with other household waste. Check for the nearest authorized collection centers or authorized recyclers. The correct disposal of end-of-life equipment will help prevent negative consequences for the environment and human health.

FCC statement available at: https://customer.resideo.com/en-US/support/residential/codes-and-standards/FCC15105/Pages/default.aspx

Customer Assistance

For assistance with this product, please visit honeywellhome.com

Or call Resideo Customer Care toll-free at 1-800-633-3991

HONEYWELL RTH2CWF - Customer Assistance - 1

resideo

Resideo Inc., 1985 Douglas Drive North

Golden Valley, MN 55422

www.resideo.com33-00690EFS-01 SA Rev. 08-24

This product is manufactured by Resideo Technologies, Inc., Golden Valley, MN, 1-800-633-3991 ©2024 Resideo Technologies, Inc. The Honeywell Home trademark is used under license from Honeywell International Inc. All rights reserved.

HONEYWELL RTH2CWF - Customer Assistance - 2

text_image Black and white barcode image with vertical lines and patterns

33-00690EFS-01

Honeywell Home

HONEYWELL RTH2CWF - Honeywell Home - 1

Thermostat intelligent X2S

RTH2SMC

text_image MODE 12:59 PM Set To Heat Indoor 73 MENU 72 FAN Auto Heat On Hold

M39487

natural_image Simple line drawing of a smartphone with blank screen and rounded base (no text or symbols)
text_image Diagram showing a hand inserting a card into a card with arrows indicating the process.
natural_image Illustration of a hand holding a smartphone displaying a grid of connector pins, with a separate device on top (no text or symbols visible)

HONEYWELL RTH2CWF - RTH2SMC - 1

text_image Exemple de cavalier RRC Terminaux
text_image □ R □ RH □ Rc
natural_image Hand holding a device with buttons and a display panel, no text or symbols visible

HONEYWELL RTH2CWF - RTH2SMC - 2

text_image Wiring Labels Apply these wiring back to apply the following: the appropriate tended designation as you romatic by the existing Boutreac. S B Y2 Y2 C C E E F F G G H H L L O O P P R R RC RC RH RH T T U U VWR VWR W W1 W1 W2 W2 W3 W3 X X X1 X1 X2 X2 Y Y Y1 Y1 #-1022/3 - 543 - Private U.S. M28100E Ratages para les cables Côlimes sont closés, par le métudes de la débêts de la sous des usées les cables les cables d'abordance actual, www.rstidex.com
natural_image Illustration of hands using a tool to adjust cable or wire on a plug (no text or symbols visible)
text_image U & R WIRES — 1 WIRE — — 2 WIRE — A W3 C W K 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 M27607
text_image 0 K R 0 Rc M37229A

Câblage

text_image S 0 S 0 Y 0 Y2 0 G 0 C 0 U 0 U
natural_image Line drawing of a hand holding a digital camera with arrows indicating left-hand movement (no text or symbols)

HONEYWELL RTH2CWF - Câblage - 1

text_image MARCHÉ MARCHÉ ARRÊT Interrupteur MF39591
text_image SETUP Sung App On Device Smart

M39557

text_image Available on the App Store Get it on Google play

B
HONEYWELL RTH2CWF - Câblage - 2

text_image Thermostat Found: SET UP NOW

C
HONEYWELL RTH2CWF - Câblage - 3

text_image Connected to Thermometer New config per option. NEXT

Configuration

text_image MODE Heat 12:00 PM Index 72 Set To 68 Following Schedule MENU IFAN Auto Hold V38509

HONEYWELL RTH2CWF - Configuration - 1

text_image TIME Hole Select V39510
text_image ISU Exit Select Hold M39605

HONEYWELL RTH2CWF - Configuration - 2

text_image 2000 Set To Exit Deck Next Hold M39506
text_image MODE 12:00 PM Set To 68 Indoor 72 Following Schedule Heat MENU IFAN Auto Hold M39511
text_image MODE Heat MENU FAN Auto 12:00 PM Indoor Set To 68 Following Schedule Hold

M39512

text_image SCHED Exit Select Hold

HONEYWELL RTH2CWF - Configuration - 3

text_image 6:00 AM Heat To 69 Exit MO TU WE TH FR Back Away Home Stop Next Hold M30532
text_image Save Hold Permanently Hold U30531

Annulation de la programmation (permanente)

text_image ALRT Exit Select Hold

HONEYWELL RTH2CWF - Annulation de la programmation (permanente) - 1

text_image M39513 400 Exit Hold

M39592

text_image REPL Exit Dismisses Select Hold

47 CFR § 15.21 (USA uniquement)

Consultez le site https://customer.resideo.com/en-US/support/residential/codes-and-standards/FCC15105/

Resideo Inc., 1985 Douglas Drive North

Golden Valley, MN 55422

www.resideo.com33-00690EFS-01 SA Rév. 08-24

text_image Black and white barcode image with vertical lines and patterns

33-00690EFS-01

Honeywell Home

HONEYWELL RTH2CWF - Honeywell Home - 1

text_image MODE 12:59 PM Set To Heat Indoor 73 MENU 72 FAN Auto Heat On Hold

M39487

natural_image Hand inserting a card into a digital card (no text or symbols visible)
natural_image Illustration of a hand holding a smartphone displaying a device with icons, next to a device with a battery (no text or symbols visible)

HONEYWELL RTH2CWF - Honeywell Home - 2

text_image □ R □ RH □ Rc
natural_image Hand holding a device with buttons and a display panel, no text or symbols visible

HONEYWELL RTH2CWF - Honeywell Home - 3

text_image Wiring Labels Apply these wiring back to such wire with the appropriate tended designation as you remount in both the existing Batteries. S B Y2 Y2 C E E F F G G H H L L O O P P R R RC RC RH RH T T U U VWR VWR W W W1 W1 W2 W2 W3 W3 X X X1 X1 X2 X2 Y Y Y1 Y1 #1-1022/7 - 543 - PR@49.12.2. M281003
text_image 1/4" a 3/8" MS39442

HONEYWELL RTH2CWF - Honeywell Home - 4

text_image 90° M37224
natural_image Illustration of hands using a tool to adjust cable or wire on a circuit board (no text or symbols visible)
text_image S 0 S 0 Y 0 Y2 0 G 0 C 0 U 0 U
natural_image Line drawing of a hand holding a digital camera with arrows indicating left-hand movement (no text or symbols)

HONEYWELL RTH2CWF - Honeywell Home - 5

text_image Encendido Encendido Apagado Interruptor MS39591

Caja de disyuntores

9 Vuelva al termostato

text_image Available on the App Store Get it on Google play

B
HONEYWELL RTH2CWF - Vuelva al termostato - 1

text_image Thermostat Found: SET UP NOW

C
HONEYWELL RTH2CWF - Vuelva al termostato - 2

text_image On/Next OK/Cancel Connectable Thermostat Yes, Initialize your choice. NO? MAY

Configuración

text_image MODE 12:00 PM Heat 72 FAN Auto Set To: 68 Following Start Time Hold M39500

HONEYWELL RTH2CWF - Configuración - 1

text_image TIME OK Select Hold M39510

HONEYWELL RTH2CWF - Configuración - 2

text_image ISU Get Select Hold M39505

HONEYWELL RTH2CWF - Configuración - 3

text_image 2000 Set To Exit Back Next Hold M39506
text_image MODE 12:00 PM Set To Indoor 68 Following Schedule Heat MENU 72 FAN Auto Hold

M39511

text_image MODE 12:00 PM Set To Heat Indoor 68 MENU 72 Following Schedule FAN Auto Hold

M39512

Programar horario

text_image SCHED Exit Select Hold

HONEYWELL RTH2CWF - Programar horario - 1

text_image 6:00 AM Heat To 69 Exit MS TU WE TH FR Back Away Home Sleep Next Hold V30532
text_image Save Hold Permanently Hold M38531

Alertas

text_image ALRT Exit Select Hold

HONEYWELL RTH2CWF - Alertas - 1

text_image M39513 400 Exit Hold

M39592

text_image REPL Exit Dismiss Select Hold

M39515

natural_image Pure technical line drawing of a mechanical component with no text or symbols

Regulatory Information

The user shall not make any changes or modifications to the equipment unless authorized by the Installation Instructions or User's Manual. Unauthorized changes or modifications could void the user's authority to operate the equipment

FCC REGULATIONS

47 CFR § 15.19 (a)(3)

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:

1 This device may not cause harmful interference, and
2 This device must accept any interference received, including interference that may cause undesired operation.

47 CFR § 15.21

Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

47 CFR § 15.105 (b)

For additional FCC information for this product, see: https://customer.resideo.com/en-US/support/residential/codes-and-standards/FCC15105/Pages/default.aspx

IC REGULATIONS RSS-GEN

This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada's licence-exempt RSS(s). Operation is subject to the following two conditions:

1 This device may not cause interference.

2 This device must accept any interference, including interference that may cause undesired operation of the device.

The operation of this equipment is subject to the following two conditions: (1) this equipment or device may not cause harmful interference, and (2) this equipment or device must accept any interference, including interference that may cause undesired operation.

INFORMATIONS REGLEMENTAIRES

Règlement D'IC RSS-GEN

47 CFR § 15.19 (a)(3)

Resideo Inc., 1985 Douglas Drive North Golden

Valley, MN 55422

www.resideo.com33-00690EFS-01 SA Rev. 08-24

text_image Black and white barcode image with vertical lines and patterns

33-00690EFS-01

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Product information

Brand : HONEYWELL

Model : RTH2CWF

Category : Thermostat