ACCURACY
OPTIMUM COMFORT
AND PERFORMANCE
#1 RATED
Wi-Fi THERMOSTAT
Sensi™ Wi-Fi Programmable Thermostat
System control from smartphone, tablet or PC
Easy to Install
• No “C wire” required for most applications
Heat Only & Cool Only Systems Require a “C Wire”
• Traditional wire and configure installation
Simple to Connect
• Connect to home Wi-Fi at installation or let
your customer connect later with the Sensi app
• Use Android or iOS devices to connect Wi-Fi
Connect with Your Customers
• Put your company name and contact info
in your customer’s smartphone or tablet so
you are one tap away when service is needed;
sign up for free at SensiRegistration.com
Over-The-Air (OTA) Product Updates
• The first Sensi thermostat sold is better than ever
• Connected customers automatically receive the
latest features like newly added alert emails and
dual fuel capability
Universal Application
• Up to 4 heat / 2 cool
• Works without Wi-Fi as a standard thermostat
1F86U-42WF
Energy Aware Qualified
5-Year Limited Warranty
EmersonSensi.com
Rated #1 with Homeowners
Adjust the temperature with just a touch, from anywhere!
• Control multiple thermostats — from multiple smart devices
or online at SensiComfort.com
No more wasting money heating or cooling an empty home!
• The intuitive Sensi App lets users control their comfort and budget, even if they don’t have a set schedule
• With 8 schedules to pick from, users don’t have to choose between saving energy
and enjoying comfort
WITH HOMEOWNERS
dat
es
s
SENSI THERMOSTAT COMPATIBILITY CHART
System
Conventional
Heating and
Cooling Systems
Heat Pump
Systems
Heat Only Systems
or
Cool Only Systems
System
Compatible
Yes
Yes
Yes
Power
Source
Battery
(Power Sharing) or
Hardwired (C Wire)
Hardwired Only
(C Wire)
Hardwired Only
(C Wire)
Model
Number
1F86U-42WF 4/2
5 + 1 + 1 Day
Non-
Programmable
2 AA Batteries Included*Requires Common Wire
Model
Program
Options
7 Day
Heat Pump
Max Stages
Heat/Cool
2/2
Conventional
Hardwired (24V)
Power
Source
Battery
Applications
Gas / Oil / Electric
Dual Fuel Control
Millivolt
3 Wire Zone*
Programmable
Fan
Selectable Performance Features
Auto
Changeover
Temperature
Limits
EMR / Early
Start Program
Humidity Display
Filter Change
Reminder
Comfort & Convenience
Features
Keypad Lockout
Cont. Backlight
w/Common
Auto DST
Adjust
Permanent
Memory
Remote Sensor
EmersonSensi.com
White-Rodgers.com
Markham, Ontario
905-948-3411
Saint Louis, Missouri
314-553-3600
The Emerson logo is a trademark and
a service mark of Emerson Electric Co.
Dimensions
5.875" W x 3.75" H x 1.125" D
Thermal Specifications
Setpoint Temperature Range:
45° to 99° F (7° to 37° C)
Rated Differential:
Fast Medium Slow
Conventional
Heat 0.5°F 0.75°F 1.9°F
Cool 0.9°F 1.2°F 1.7°F
Heat Pump
Heat & Cool 0.9°F 1.2°F 1.7°F
Storage:
-20° to 150°F (-29° to 65°C)
0%-90% RH non-condensing
Electrical
Specifications
Rating
20 to 30 VAC, 50/60 Hz
0.05 to 1.5 Amps
(load per terminal)
2.5 Amps maximum load
(all terminals combined)
Standard Systems
Single Stage gas, oil,
electric
Single Stage heat pump
Multi-Stage gas, oil,
electric
Multi-Stage heat pump
Sensi App Features Include
Controlling heating and cooling from anywhere
Receive high and low temperature or
loss of heating or cooling alert emails
Set a schedule, adjust the temperature or
check the room temperature online anytime
Comfort and Convenience
Current room humidity (display, not control)
Automatic Daylight Savings Time Adjustment
Auto heat/cool changeover option
Maintains room temperature to within +/- 1˚F
Room temperature display can be
recalibrated up to +/- 5˚
Permanent program retention during power loss
A/C compressor protection
Sensi App Menu Options
Intuitive Scheduling –
fits any lifestyle
Thermostat Settings –
flexible for each connected device
Contractor Contact Information –
for service at your customer’s fingertips
Thermostat Display
Backlight Button –
for easier low-light viewing
Optional Continuous Display Light
(with “C wire”)
Energy Performance
Energy Aware Qualified
Energy Savings up to 30%
WR-1299-2
System control from smartphone, tablet or PC Easy to install. Simple to connect.
Sensi
™
Wi-Fi Programmable Thermostat
1F86U-42WF
Universal — 4 Heat / 2 Cool
Accessories
Wall Plate
F61-2663 (6-3/4" x 4-1/2")
to cover marks left by
previously installed
thermostats
Thermostat Guard
clear F29-0198
For Additional
Information
Visit EmersonSensi.com
W2 Y
W/E O/B
Y2 GL
C
Terminal Designations‡
‡ See installation booklet or www.white-rodgers.com for terminal descriptions.
§ Thermostat has internal jumper on RC and RH. On 2 transformer systems, clip red jumper wire on back of thermostat.
§
RC RH
Over-The-Air (OTA) Product Updates
Your customers always get to enjoy the latest features
Sensi App - Call for Cooling
Wi-Fi is a trademark of the Wi-Fi Alliance.
power loss
Energy
SiA CllfCli
