Lennox 22V26 Instructions de montage

Dallas, Texas, USA

Lennox®Smart Devices

Installation and Setup Guide

Lennox

Smart Room Sensor

(22V25)

Lennox

Wireless Extender

(22V26)

508227-01 10/2022

Table of Contents

Shipping and Packing List .................................................3

Lennox®Smart Room Sensor (22V25) ........................................ 3

Lennox®Wireless Extender (22V26).............................................. 4

Introduction........................................................................4

Hardware............................................................................................... 4

Software Applications ...................................................................... 4

Smart Devices Overview ....................................................5

Lennox Smart Room Sensor .......................................................... 5

Lennox Wireless Extender .............................................................. 6

Installation Considerations ...............................................6

Smart Room Sensor........................................................................... 6

Wireless Extender............................................................................... 7

Downloading Lennox Smart Applications........................7

Lennox Smart Technician App....................................................... 7

Lennox Smart Thermostat App ..................................................... 7

Lennox Smart Devices Details ...........................................8

Smart Room Sensor........................................................................... 8

Pairing/Factory Reset Button, Battery Compartment

and Light Display Location........................................................... 8

Light Indicators................................................................................8

Battery Power ...................................................................................9

Wireless Extender............................................................................... 9

Light Indicators................................................................................9

Outlet Line Power ..........................................................................10

Applying Power to the Smart Devices ............................10

Smart Room Sensor.........................................................................10

Wireless Extender.............................................................................11

Adding Smart Devices to Thermostat Smart Devices

Network.............................................................................11

Considerations ..................................................................................11

Using the Lennox Smart Technician App.................................12

Creating the Smart Devices Network .......................................12

Adding Devices...............................................................................12

Using the Lennox Smart Thermostat App...............................13

Smart Devices Installation...............................................13

Smart Room Sensor.........................................................................13

Placement .......................................................................................13

Wall Mounting ...............................................................................15

Using Smart Room Sensor Stand ..............................................15

Wireless Extender Installation .....................................................15

Smart Devices Management............................................16

Remove or Replace Smart Devices ...........................................16

Using the Lennox Smart Technician App.................................16

Using the Lennox Smart Thermostat App ...............................16

Performing Smart Device Factory Reset..................................17

Cycling Power for Troubleshooting ...........................................17

Occupancy Detection Feature for Temperature

Averaging..........................................................................17

Enabling Room Averaging using Occupancy Detection ...17

Occupancy Sensor Setting............................................................18

Occupancy Sensor Detection Pattern.......................................19

Smart Devices Thermostat Alert Codes ..........................20

FCC Compliance Statement .............................................24

Lennox Smart Devices Troubleshooting.........................25

CAUTION

Electrostatic discharge can a󰀨ect electronic

components. Take precautions during unit

installation and service to protect the unit’s

electronic controls. Precautions will help to avoid

control exposure to electrostatic discharge by

putting the unit, the control and the technician

at the same electrostatic potential. Neutralize

electrostatic charge by touching hand and all tools

on an unpainted unit surface before performing any

service procedure.

IMPORTANT

Take care not to drop the sensor or extender during

unpacking. Dropping either could result in damage

to internal components which could render either

unusable.

IMPORTANT

DO NOT paint any Lennox smart devices. Doing so

could compromise functionality.

This guide can be used by both the technician to cre-

ate the smart devices network and add, replace and

remove Lennox Smart Room Sensors and Wireless

Extenders.

The homeowner can also use this guide to add, re-

place or remove Lennox Smart Room Sensors and

Wireless Extenders.

Shipping and Packing List

Please note that these products are sold separately.

®

Package 1 of 1 contains:

Parts Quantity

Lennox Smart Room Sensor with two AA

Lithium Batteries pre-installed 1

Sensor Stand 1

Wall Anchors 2

Screw #4 X 1.25 SMS 2

Wall Mounting Template 1

Warranty 1

Installer Quick Start Guide 1

Homeowner Quick Start Guide 1

®

Package 1 of 1 contains:

Parts Quantity

Lennox Wireless Extender 1

Warranty 1

Installer Quick Start Guide 1

Homeowner Quick Start Guide 1

IMPORTANT

Information concerning thermostat smart devices

user screens are listed in the Lennox S40 User

Guide.

Introduction

The Lennox®S40 Smart Thermostat's smart devices

network will 

. The maximum supported smart de-

vices per smart devices network is:

• Six (6) Lennox®Smart Room Sensor

• Two (2) Lennox®Wireless Extender

• One (1) Lennox®Smart Air Quality Monitor

NOTE: The Lennox Smart Air Quality Monitor In-

stallation and Setup Guide is included with

that product.

If the homeowner has multiple S40 thermostats in the

home, then each thermostat can support up to nine

(9) smart devices simultaneously in the conguration

as listed above for each individual thermostat.



• Lennox® S40 Smart Thermostat hosts the smart

devices network.

• Lennox® Smart Room Sensor is used for tem-

perature averaging with up to a maximum of six (6)

Smart Room Sensors supported per a single smart

devices network.

• Lennox® Wireless Extender is used to extend

the smart devices network with up to a maximum

of two (2) wireless extenders supported per a sin-

gle smart devices network.



• Lennox® Smart Technician App is used by the

technician to create the smart devices network and

to manage all Lennox smart devices. This applica-

tion is available for both IOS 11.0 or higher (App

Store) and Android 9.0 or higher (Google Play).

• Lennox®Smart Thermostat App is used by the

homeowner to add or remove smart devices only

after the technician has created the smart devices

network using the Lennox Smart Technician

App. In addition the homeowner can manage

the temperature averaging feature as well. This

application is available for both IOS 11.0 or higher

(App Store) and Android 9.0 or higher (Google

Play).

Smart Devices Overview



• This device collects room temperature, humidity

and occupancy status and passes this information

to the S40 Smart Thermostat.

• When replacing batteries it is highly recommended

to always use lithium batteries. When using lithium

batteries the estimated battery life is two years.

• Maximum unobstructed view of smart device

signal under ideal conditions is 70 feet (21.3

meters). Maximum range could be a󰀨ected by the

number of walls or oor and other obstacles which

the signal has to penetrate.

• Maximum unobstructed distance for the occupancy

sensing capability is 20 feet (6.1 meters) and

maximum width pattern of 110º at a mounting

height of ve (5) feet (1.5 meters) from the oor.

• The thermostat uses an algorithm to calculate

average room temperature based on room

occupancy / temperature sensor input along with

the thermostat's built-in sensors.

Where N is the number of smart room sensors in-

stalled.

• The Smart Room Sensor sends data to thermo-

stat in 2 to 20 minute intervals to preserve battery

life. The update rate is faster if rapid temperature

changes are detected. Otherwise, the average

sampling rate is every two minutes and a transmis-

sion rate is every 30 minutes.

NOTE: It could take 2-10 minutes to report initial

temperature data after adding the smart

device to the smart devices network. The

farther the smart device is from the S40

Thermostat, the longer it may take.

• Dimension: 4" x 5.5" x 3" (102 x 140 x 76 mm)

• Weight: 4.24 ounces (120 grams) without batteries

installed.

• Temperature Range:

»Display on thermostat: 40 to 100°F (5 to 37°C)

»Sensitivity: +- 1°F (+- 0.5°C)

»Operating range: 32 to 130°F (0 to 55°C)

• Humidity Range:

»Display on thermostat: 20% to 90% RH

»Operating range: 5% - 95% RH (non-condensing)

»Sensitivity of +- 5%

IMPORTANT

The Lennox Smart Room Sensor is not a zoning

product and will not solve problems related to poor

duct work and incorrect equipment sizing.



• Extends the e󰀨ective smart devices network range.

• Powered by 120VAC outlet.

• Dimension: 4" x 5.5" x 2.5" (102 x 140 x 64 mm)

• Weight: 4.24 ounces (120 grams)

Installation Considerations



If at all possible it is recommended that all Smart

Room Sensors are installed on a wall. This insures

the device will not be lost or accidentally damaged.

Consider placement when addressing the occupancy

sensor detection pattern (see page 19).

If used with the provided stand, it is recommend that

the Smart Room Sensors is placed on a bookshelf or

desk out of reach of children or pets.

Do not install the Smart Room Sensors where it can

be a󰀨ected by:

• Drafts or dead spots behind doors and in corners

• Exterior entrances or interior doors

• Heat generating equipment such as kitchen

appliances

• Hot or cold air from ducts

• Radiant heat from sun or appliances

• Direct sunlight

• Concealed pipes and chimneys

• Non-conditioned areas such as an outside wall

behind the sensor

Another consideration is smart device signal strength

interference by physical objects and materials. The

type and thickness of the material can a󰀨ect how

much interference is induced. One or more of the fol-

lowing can interfere with the smart device signal:

• Large metal objects and appliances like ling

cabinets, metal doors, and refrigerators.

• Floor and ceiling plenum spaces featuring joists,

plumbing, duct work, and other materials.

• Plaster, concrete, and specialty glass such as

bulletproof or shatterproof glass

• Water, brick, and marble materials

• Wood, glass, and synthetic materials like plastic.

The Smart Room Sensors will indicate if adequate

signal strength is present (see "Table 1. Sensor -

Three Color Descriptions" on page 8). In case

of a weak signal, the Lennox Wireless Extender can

be used to improve the smart room sensor’s signal

strength and thus limit the impact of interference by

these sources.



Considerations are the same as for the Smart Room

Sensor plus a wall outlet in a optimal location for best

performance.

Downloading Lennox Smart Applications

Scan the QR codes listed as follows to

download the specic application you

desire.



Google Play

(AndroidTM)

App Store

(iOS)



Google Play

(AndroidTM)

App Store

(iOS)

Lennox Smart Devices Details



This section provides details on the Smart Room

Sensor buttons, battery compartment, stand and light

indicator location.

Pairing/Factory reset Button, Battery comPartment and

Light disPLay Location

Sensor Stand

Pairing / Factory

Reset Button

Relative Humdity

and Temperature

Sensors

Front Cover (removable)

Battery compartment

for two AA lithium batteries

Opening Latch (Depress

and pull tab to

remove front cover)

LED Light Pipe

Occupancy

Fresnel Lens

NOTE: LED light pipe is not visible on top of plastic surface.

User will see illumination on the front plastic when LED is on.

Occupancy Sensor

Figure 1. Sensor Light Indicator, Buttons, Sensor Vents,

Battery Compartment Locations

Light indicators

Table 1. Sensor - Three Color Descriptions

 Color 

Battery RED

A ashing red light in one minute

intervals indicates the battery is

low (20%). When the red light is o󰀨

it indicates battery life is good.

Signal

Strength BLUE

A ashing blue light in ve (5)

minute intervals indicates the

signal strength is low or connection

to the thermostat is lost.

When the blue light is o󰀨 it

indicates signal strength is good

and connected to the smart device

network.

Pairing GREEN

• When batteries are inserted into

a new or unpaired device the unit

will automatically go into pairing

mode (ashing green light). The

unit will stay in pairing mode

for three (3) minutes. To restart

pairing mode, press the pairing

button for two (2) seconds.

• When a device has been paired

to the thermostat and new

batteries are installed, the unit

will ash a green light three times

after powering up.

Table 1. Sensor - Three Color Descriptions

 Color 

If there are more than two conditions are active

simultaneously, for example low battery and weak signal,

the light will alternate back and forth between blue and

red in one (1) second intervals.

See "Smart Devices Thermostat Alert Codes" on

page 20 for a complete list of alerts applicable to

the Smart Room Sensor and Wireless Extender that

are generated by the Lennox S40 Smart Thermostat.

Battery Power

Two lithium batteries are pre-installed. Removing the

battery insulation tape will allow the smart room sen-

sor to be powered up.

IMPORTANT

When replacing the batteries, use ONLY lithium

batteries. Using any other type of battery is not

recommended and will reduce operational duration

signicantly.



Pairing Button

Prongs

View area

for LED

Keyhole Factory Reset button (recessed)

Figure 2. Wireless Extender Buttons

and Light Indicator

Light indicators

NOTE: The light on the device is only on when

there is an issue with signal strength or dur-

ing pairing mode.

See "Smart Devices Thermostat Alert Codes" on

page 20 for a complete list of alerts applicable to

the device that are generated by the S40 thermostat.

Table 2. Wireless Extender Light - Two Color Descriptions

 Color

Light 

Signal

Strength BLUE

A solid blue light indicates

the signal strength is low or

connection to the thermostat

is lost.

When the blue light is o󰀨 it

indicates signal strength is

good and connected to the

smart devices network.

Pairing GREEN

When a paired Wireless

Extender is powered up, it will

ash green three (3) times.

When a unpaired Wireless

Extender is powered up, it will

ash green for two (2) minutes

which indicates the units is in

pairing mode.

outLet Line Power

The device is powered by an 120VAC outlet.

Applying Power to the Smart Devices



1. Depress and pull tab to remove smart room

sensor front cover (see "Figure 1. Sensor Light

Indicator, Buttons, Sensor Vents, Battery Com-

partment Locations" on page 8 for details).

2. Remove the insulation tape located between the

battery and the sensor's positive (+) terminal

(see "Figure 3. Insulation Tape Removal" on

page 10).

Remove battery

insulation tape

Figure 3. Insulation Tape Removal

Once insulation tape is removed the unit will automat-

ically go into pairing mode (ashing green light). The

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