Non-Programmable Thermostat with 3 Temperature Pre-Sets
Home, Sleep and Away
Installation Instructions and User Guide
Message to Homeowner
Congratulations on choosing the Emerson Blue Easy Set
Thermostat. The Easy Set is designed to be the easiest
thermostat you have ever used. This thermostat features
Home, Sleep, and Away temperature pre-sets. Just press
the button and go. Included with the easy set is the same
temperature accuracy and reliability you expect from all the
Emerson Blue thermostats.
Model: 1F89EZ-0251
Heat Pump
Table of Contents
Get to know your thermostat .......................................2
Thermostat buttons and switches ...............................2
This thermostat is intended for use with a low voltage NEC
Class II system. Do not use this thermostat with a line voltage
system. If in doubt about whether your wiring is millivolt, line,
or low voltage, have it inspected by a qualified heating and air
conditioning contractor or electrician.
Do not exceed the specification ratings.
All wiring must conform to local and national electrical codes
and ordinances.
This control is a precision instrument, and should be handled
carefully. Rough handling or distorting components could
cause the control to malfunction.
www.white-rodgers.com
www.emersonclimate.com
PART NO. 37-7208A
1050
Get to know your thermostat
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2
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Figure 1.Thermostat buttons and switches
Set at
Home
2
1
3
4
5
6
10
14
7
9
12
13
1115
8
Set at
Home Sleep
Away
AUX
EMER
Service
Change
Save
Change Filter
11
12
13
14
15
“AA” Alkaline Batteries
CAUTION
!
WARNING
!
Before you begin using your thermostat, you should be familiar
with its features and with the display and the location and
operation of the thermostat buttons and switches.
The Thermostat Buttons and Switches
Raises temperature setting.
Lowers temperature setting.
Easy Temperature pre-sets (Home, Sleep, Away).
SYSTEM switch (COOL, OFF, HEAT, EMER).
FAN switch (ON, AUTO).
The Display
Indicates desired temperature. This is blank when
system switch is in the OFF position. Desired
temperature is displayed (flashing) if the thermostat is in
lockout mode.
“Save” indicates the Cool Savings feature is enabled
in the configuration menu. “Save” flashing indicates
Cool Savings feature is operating and saving energy.
“Save” will also flash for 3 seconds after changing the
temperature to indicate that a pre-set can be saved.
Indicates system mode. Heat icon ( ) is displayed when
the SYSTEM switch is in the HEAT position. Heat icon( )
is displayed flashing when thermostat is calling for heat.
Cool icon ( ) is displayed when the SYSTEM switch is in
the COOL position. Cool icon ( ) is displayed (flashing) if
the thermostat is calling for cool.
Displays current temperature.
“Home”, “Sleep”, “Away” indicates the easy temperature
pre-set is enabled.
“Change Filter” is displayed when the system has run
for the programmed filter time period as a reminder to
change or clean your air filter.
“Service” indicates a diagnostic fault in the heating/cooling
system. It does not indicate a fault in the thermostat.
“” indicates power level of batteries. “Change ”
indicates batteries should be replaced.
“AUX” indicates auxiliary stage is operating.
“EMER” is displayed flashing when the system switch is
in EMER position.
Batteries
Two “AA” alkaline batteries are included with your thermostat.
Prior to use, open the battery door and remove the battery
tag. We recommend replacing batteries every 2 years, for
best results, use new premium brand alkaline batteries such
as Duracell® or Energizer®. When battery power remaining is
approximately half, the will be displayed.
Indicates batteries are low
and should be replaced
Change
Do not use on circuits exceeding specified voltage.
BATTERY LOCATION
Higher voltage will damage control and could cause
shock or fire hazard.
Do not short out terminals on gas valve or primary
control to test. Short or incorrect wiring will damage
If the home is going to be unoccupied for an extended
period (over 3 months) and is displayed, the
batteries should be replaced before leaving. When
less than two months of battery life remain, the
setpoint temperature will change by 10 degrees (10
degrees cooler in Heat / 10 degrees warmer in Cool)
to alert you to change the batteries before they fail. If
the temperature change occurs, the normal setpoint
can be manually reset. However, the temperature will
change by 10 degrees within two days if the batteries
are not replaced.
thermostat and could cause personal injury and/or
property damage.
Thermostat installation and all components of the system
shall conform to Class II (current limited) circuits per the
NEC code. Failure to do so could cause a fire hazard.
2
Using your thermostat
SLEEP
SLEEP
Home, Sleep and Away Temperature
Pre-Sets
You can set your (Home, Sleep, Away) temperatures for use
when you get home, go to sleep, or leave home. Then, just
press the button you want and go.
Favorite Temperatures are set at the factory as indicated in
the following table. You can use pre-sets or change to different
temperature pre-sets.
Factory Pre-set Temperatures
HEATINGCOOLING
70o F75o F
62o F78o F
62o F83o F
Your Pre-set Temperatures
HEATINGCOOLING
Change Home, Sleep and Away
Temperature Pre-sets
1. Move SYSTEM switch to HEAT position.
2. Using the
3. Press and hold the Home, Sleep, or Away button for 3
seconds. The display will go blank (except for the battery
icon and heat/cool icon) and back on again indicating that
the thermostat has saved your pre-set.
4. Repeat the process for the remaining Pre-sets to be
changed.
5. Move SYSTEM switch to COOL to Pre-set Temperatures
for cooling.
Use Home, Sleep and Away Temperature Pre-Sets
1. Press the Home,Sleep, or Away button. The display
will show the icon for the button pressed and display the
temperature setting.
2. The thermostat will maintain the selected pre-set
temperature until you change it by pressing the or
button or selecting another Pre-set Temperature.
or button, set the desired temperature.
Sleep Timer Option
The sleep timer will automatically change the thermostat from the Sleep to Home temperature after the number of hours set in
the configuration menu. The Sleep timer default is 8 hours and can be changed to a setting between 1 to 12 hours.
Example: You have selected 8 hours for the Sleep timer in the configuration menu. Press the Sleep button, the thermostat will
maintain the sleep temperature for 8 hours. After 8 hours the thermostat will go back to the Home temperature. The Sleep timer
will be activated each time the sleep button is pressed.
Change Filter Reminder Option
The thermostat can display a reminder when it is time to change the air filter on your heating and cooling system. The Change
Filter will automatically display after the number of hours set in the configuration menu. The change filter reminder time default
is 200 hours and can be changed to a setting of 25 to 1975 hours; 200 hours is approximately 3 months.
Example: You have selected 250 hours for the change filter reminder. The thermostat will display change filter after 250 it has
counted down 250 hours. When “Change Filter” is displayed, press the
timer.
or button to clear the display and restart the
Cool Savings™ Option
With Cool Savings enabled, the thermostat will make small adjustments to the desired temperature during periods of high
demand to reduce cooling system running time and save energy. When the cooling system has been running for more than
20 minutes, humidity in the home will be lower and a higher temperature will feel comfortable. After 20 minutes of run time,
the thermostat will start increasing the desired temperature in steps of less than one degree as the system continues to run.
These adjustments will eventually cause the system to satisfy the thermostat and turn the system off to reduce the energy
consumption. When the Cool Savings feature is active and making adjustments, the display will flash “Save”. The amount of
adjustments to the desired temperature is dependent on the Cool Savings value that is set, 1 being the least adjustment and 6
being the most adjustment. With this feature set to OFF, no change will occur when the cooling system is continuously running
during the periods of high demand. Periods of high demand will normally occur during the late afternoon and early evening on
the hottest days of the summer.
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