Emerson 1F97 1277 Thermostat User Manual

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Big Blue Touchscreen Thermostat with  
Automatic Heat/Cool Changeover Option  
Installation and Operating Instructions for Model:  
Save these instructions for future use!  
Model  
Programming Choices  
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS  
CAREFULLYBEFOREINSTALLINGOROPERATINGTHIS  
CONTROL COULD CAUSE PERSONAL INJURY AND/OR  
PROPERTY DAMAGE.  
1
F97-1277 Non-Programmable 5+1+1 Day 7 Day  
APPLICATIONS  
THERMOSTAT APPLICATION GUIDE  
1F97-1277 Touchscreen Thermostat  
Description  
Heat Pump (No Aux or Emergency Heat)  
Heat Pump (with Aux or Emergency Heat)  
Systems with up to 3 Stages Heat, 2 Stages Cool  
Heat Only Systems  
Yes  
Yes  
No  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Millivolt Heat Only Systems – Floor or Wall Furnaces  
Cool Only Systems  
Gas or Oil Heat  
Electric Furnace  
Hydronic (Hot Water) Zone Heat – 2 Wires  
Hydronic (Hot Water) Zone Heat – 3 Wires  
Wired Remote Temperature Sensor (Indoor/Outdoor)  
Dual Fuel Feature (Heat Pump Mode)  
SPECIFICATIONS  
Electrical Rating:  
Battery Power . . . . . . . . . . . . .  
Input-Hardwire . . . . . . . . . . . .  
Terminal Load . . . . . . . . . . . . . .  
Setpoint Range . . . . . . . . . . . . . .  
Differential (Single Stage) . . . . . . . . . .  
Differential (Multi-Stage) . . . . . . . . . .  
mV to 30 VAC, NEC Class II, 50/60 Hz or DC  
20 to 30 VAC  
1 5A per terminal, 2 5A maximum all terminals combined  
45 to 99°F (7 to 37°C)  
Heat 0 6°F; Cool 1 2°F  
Heat 0 6°F; Cool 1 2°F  
Differential (Heat Pump) . . . . . . . . . .  
Operating Ambient . . . . . . . . . . . . .  
Operating Humidity . . . . . . . . . . . .  
Shipping Temperature Range . . . . . . . .  
Dimensions Thermostat . . . . . . . . . . .  
Heat 1 2°F; Cool 1 5°F  
32°F to +105°F (0 to +41°C)  
90% non-condensing max  
-4 to +150°F (-20 to +65°C)  
4-9/16"H x 5-13/16"W x 1-3/16"D  
CAUTION  
ATTENTION: MERCURY NOTICE  
This product does not contain mercury However, this  
product may replace a product that contains mercury  
!
Topreventelectricalshockand/orequipmentdamage,  
disconnect electric power to system at main fuse or  
circuit breaker box until installation is complete.  
Mercury and products containing mercury must not be  
discarded in household trash Do not touch any spilled  
mercury Wearing non-absorbent gloves, clean up any  
spilled mercury and place in a sealed container For proper  
disposal of a product containing mercury or a sealed  
container of spilled mercury, place it in a suitable shipping  
container Refer to www.thermostat-recycle.org for  
location to send the product containing mercury  
Index  
Page  
Installation  
2
Wiring Connections  
Thermostat Quick Reference  
Installer Configuration Menu  
Operating Your Thermostat  
Programming  
2
4
5
8
9
Troubleshooting  
12  
PART NO. 37-7388A  
www.white-rodgers.com  
www.emersonclimate.com  
1241  
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INSTALLATION  
Battery Location  
WARNING  
Thermostat installation and all components of the  
control system shall conform to Class II circuits per  
the NEC code.  
2 "AA" alkaline batteries are included in the thermostat at  
the factory with a battery tag to prevent power drainage  
Remove the battery tag to engage the batteries  
To replace batteries, set system to OFF, remove thermostat  
from wall and install the batteries in the rear along the top of  
the thermostat (see Figure 1)  
!
Remove Old Thermostat  
A standard heat/cool thermostat consists of three basic parts:  
Figure 1 – Thermostat Base Multi-Stage 1F97-1277  
1
2
The cover, which may be either a snap-on or hinge type  
The base, which is removed by loosening all captive  
screws  
3
The switching subbase, which is removed by unscrewing  
the mounting screws that hold it on the wall or adapter  
plate Before removing wires from old thermostat,  
label each wire with the terminal designation from  
which it was attached. Disconnect the wires from the old  
thermostat one at a time Do not let wires fall back into  
the wall.  
+
Mounting  
Hole  
S
-
Mounting  
Hole  
W/E  
6
L
Place Level  
across  
Mounting Tabs  
Place Level  
across  
Mounting Tabs  
(
for appearance only)  
(for appearance only)  
Rear view of thermostat  
Installing New Thermostat  
1
2
3
Pull the thermostat body off the thermostat base Forcing  
or prying on the thermostat will cause damage to the unit  
Place base over hole in wall and mark mounting hole  
locations on wall using base as a template  
Move base out of the way Drill mounting holes If you  
are using existing mounting holes and the holes drilled  
are too large and do not allow you to tighten base snugly,  
use plastic screw anchors to secure the base  
2
"AA" Batteries  
4
Fasten base snugly to wall using mounting holes shown  
in Figure 1 and two mounting screws Leveling is for  
appearance only and will not affect thermostat operation  
Connect wires to terminal block on base using appropriate  
wiring schematic (see diagrams on next page)  
. Push excess wire into wall and plug hole with a fire resis-  
tant material (such as fiberglass insulation) to prevent  
drafts from affecting thermostat operation  
5
6
7
Carefully line the thermostat up with the base and snap  
into place  
WIRING CONNECTIONS  
Refer to equipment manufacturers' instructions for specific  
system wiring information After wiring, see CONFIGURA-  
TION section for proper thermostat configuration.  
For wiring diagrams, see next page  
Wiring diagrams shown are for typical systems and describe  
the thermostat terminal functions  
TERMINAL DESIGNATION DESCRIPTIONS  
Terminal Designation  
Description  
B
. . . . . . . . .  
Changeover valve for heat pump energized constantly in heating  
Changeover valve for heat pump energized constantly in cooling  
Compressor Relay  
O . . . . . . . . .  
Y
. . . . . . . . .  
G . . . . . . . . .  
RC . . . . . . . . .  
RH . . . . . . . . .  
Fan Relay  
Power for Cooling  
Power for Heating  
C
L
6
. . . . . . . . .  
Common wire from secondary side of cooling  
. . . . . . . . . For Call for Service indicator for systems with diagnostic connection  
. . . . . . . . . Powered closed connection for 3-wire zone valve  
W . . . . . . . . .  
Heat Relay  
-
S
+
. . . . . . . . .  
. . . . . . . . .  
. . . . . . . . .  
Common (DC) for wired remote temperature sensor  
Frequency signal from remote temperature sensor  
Power (DC) to remote temperature sensor  
2
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WIRING CONNECTIONS  
Single Stage Connections  
SINGLE STAGE gas, oil or electric  
Refer to equipment manufacturers' instructions for specific system  
wiring information  
HEAT PUMP TYPE 1 (HP 1). Single stage compressor system; gas  
or electric backup  
This thermostat is designed to operate a single-transformer or two-  
transformer system  
You can configure the thermostat for use with the following systems:  
After wiring, see INSTALLER CONFIGURATION section for proper  
thermostat configuration.  
Single Stage System with Single Transformer  
To Remote Temperature Sensor  
Jumper  
B
O
Y
G
RC  
RH  
C*  
+
S
-
W
6
L
System  
Blower/  
Circula-  
DC  
DC  
Single  
Stage  
Energized tor Fan  
supply Remote Return  
2
4 Volt  
Third  
Diagnostic  
Indicator  
Energized Energiz- on call  
Energiz-  
ed on  
call for  
Cool &  
for Heat  
voltage Temp- to  
2
4 Volt 24 Volt Com-  
Energized  
on call for  
Heat  
wire for  
3-wire  
zone  
(
SS)  
in Heat  
or Off  
Mode  
ed in  
Cool  
Mode  
for Cool  
(Com-  
pressor)  
to re-  
erature Remote  
Sensor Temp-  
(
Hot)  
(Hot)  
Heat  
mon  
(option- mote  
al)  
(
See  
Cool  
Note 1 )  
Temp- signal  
erature  
Sensor  
valve  
erature  
Sensor  
(
if ELE  
is sel-  
ected)  
NEUTRAL  
4VAC  
HOT  
2
120VAC  
*
Common connection required for fault or  
malfunction indication and remote sensor  
CLASS II  
TRANSFORMER  
Single Stage with Two Transformers  
Remove Jumper Wire  
between RH & RC  
To Remote Temperature Sensor  
Jumper  
NOTE: If continuous backlight or hardwired  
power input are desired but do not function  
in both HEAT and COOL modes, cut the  
heating transformer 24V wires and tape off  
Connect the neutral circuit disconnected  
from the heating transformer to the neutral  
circuit of the cooling transformer Discon-  
nect the wire to the RH terminal and install  
a jumper between RH and RC Depending  
on the system requirements, replace the  
cooling transformer with a 75VA class II  
transformer if needed  
B
O
Y
G
RC  
RH  
C*  
+
S
-
W
6
L
System  
Blower/  
Circula-  
DC  
4 Volt supply Remote Return  
voltage Temp- to  
Energized  
to re-  
erature Remote  
on call for  
(option- mote  
Sensor Temp-  
Heat  
erature  
DC  
Energized tor Fan  
2
on call  
Energiz-  
ed on  
call for  
Heat or  
Cool  
if ELE  
is sel-  
ected)  
Single  
Stage  
Energized Energized  
in Heat,  
Off Mode  
24 Volt Com-  
(Hot)  
Heat  
Diagnostic  
Indicator  
(See  
2
(
4 Volt  
Third wire  
for 3-wire  
zone valve  
for Cool  
in Cool  
Mode  
mon  
Hot)  
(
Com-  
(
SS)  
Cool  
pressor)  
al)  
Temp- signal  
Note 1 )  
erature  
Sensor  
Sensor  
(
NEUTRAL  
2
4VAC  
120VAC  
NEUTRAL  
24VAC  
HOT  
HOT  
1
20VAC  
COOLING  
CLASS II  
TRANSFORMER  
*Common connection required for fault or  
HEATING  
CLASS II  
TRANSFORMER  
malfunction indication and remote sensor  
Heat Pump Systems  
To Remote Temperature Sensor  
Jumper  
B
O
Y
G
RC RH  
C*  
+
S
-
W
6
L
*24 VAC common connection  
System  
optional for system operation  
Blower/  
Circula-  
tor Fan  
Energiz-  
ed on  
call for  
Heat or  
Cool  
DC  
Power  
Closed  
1
st  
DC  
Auxil-  
Remote Return iary &  
Temp- to  
Emer-  
Required for fault or malfunction indi-  
cation, remote temperature sensor, or  
for continuous backlight operation  
Energiz-  
ed in  
supply  
voltage  
to re-  
Stage  
Heat  
Energized  
in Cool  
Conn- Diagnostic  
ection Indicator  
Heat  
24 VAC 24 VAC 24 VAC  
Heat/  
Pump 1  
& Cool  
(Com-  
pressor)  
(Hot)  
Cool  
(Hot)  
Heat  
Common  
(optional)  
erature Remote gency  
Sensor Temp- Heat  
Emer- & Off  
gency Mode  
Mode  
mote  
for  
(See  
(
HP1)  
Temp-  
erature  
Sensor  
3-wire Note )  
zone  
Comfort  
signal  
erature 1st  
**Dual fuel de-energizes  
compressor when auxiliary heat is  
energized  
Alert II module  
or similar  
*
*
Sensor Stage  
valve  
malfunction  
module  
NEUTRAL  
2
4VAC  
120VAC  
HOT  
CLASS II  
TRANSFORMER  
TM  
NOTE : Connection for Call for Service diagnostic indicator compatible with mechanical or electronic condenser control with Comfort Alert  
3
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THERMOSTAT QUICK REFERENCE  
Home Screen Description  
Figure 2 – Home Screen Display  
Room  
Temperature  
Day of Week  
Set Temperature  
Time of Day  
Temperature  
UP/Down used for  
modifying set point  
as well as to  
System  
Switch  
navigating the menus  
Fan  
Switch  
Enters user-friendly  
program into  
the schedule  
Menu key for entering  
different modes such as  
Configuration, Set Time,  
Set Schedule and Cleaning  
Battery Level Indicator  
Indicating the current power level  
of the 2 “AA” batteries.  
Full power remaining.  
Indicates when  
thermostat is calling  
for Heat or Cool  
Half power remaining.  
Change  
The batteries should be replaced at this time.  
Programming and Configuration Items  
Figure 3 – Programming & Configuration Items  
Displays and "Keypad Lockout" when in keypad  
lockout mode  
1
1
6
10  
11  
15  
5
Displays and "Temperature Limit" and "Keypad  
Lockout" when limited range is activated and locked  
Displays only "Temperature Limit" when limited range  
is activated  
9
8
2
3
4
5
Indicates period of day being programmed  
RUN SCHEDULE (run program) button  
SET TIME button or HOLD temperature button  
1
2
1
4
13  
1
2
Displays "Change Filter" when the system has run  
for the programmed filter time period as a reminder to  
change or clean your filter.  
6
COPY button or INSTALLER CONFIG button  
3
7
CLEAN DISPLAY button allows 30 seconds to wipe off  
the display or ADVANCE DAY button for programming  
7
6
4
8
Used in programming to set time and in configuration  
menu to change selections  
1
3
"System On" indicates when heating or cooling stage  
is energized  
9
"Hold Until" indicates the time when a temporary hold  
period will end  
1
0
"Hours" and "Days" displays during steps in installer  
configuration.  
1
4
"Copy" indicates the copy program feature is being  
used during programming  
1
1
The words "Hold At" are displayed when the thermo-  
stat is in the HOLD mode "Temporary Hold At" is  
displayed when the thermostat is in a temporary HOLD  
mode  
15 A steady "Cool Savings" display indicates the feature  
is enabled in the installer menu. A flashing "Cool Sav-  
ings" display indicates the feature is active  
1
6
"Remote" indicates that the indoor remote temperature  
sensor, is being accessed "Outdoor Remote" indi-  
cates the outdoor remote temperature sensor is being  
accessed  
1
2
"Call For Service" indicates a fault in the heating/cool-  
ing system It does not indicate a fault in the thermostat  
4
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INSTALLER/CONFIGURATION MENU  
To enter the menu: Press the Menu touch key Press and hold for 5 seconds the Installer Config touch key This displays  
menu item #1 in the table below Press to return to a previous menu item Press  
or to change a menu item  
Installer Note: To default the programming, clock and Configuration Menu to the Factory Default Settings, press the  
to advance to the next menu item or  
,
and SYSTEM keys simultaneously The thermostat display will go blank for a few seconds, and then all segments will display  
momentarily For heat pump systems, Configuration Menu item 1 must be set to match the heat pump system.  
If first item does not show SS1 or HP1, you have an earlier thermostat model and need Instruction Sheet 37-6814D.  
CONFIGURATION MENU  
Menu  
Non-  
Displayed  
(Factory  
Default)  
SS1  
Press  
select from listed  
options  
or  
to  
Reference Program- Program- Press  
Number  
1
mable  
1
mable  
1
Button  
Comments  
Selects Single Stage or Heat Pump  
HP1, SS1  
(1 compressor)  
2
2
2
(ELE)  
GAS  
GAS setting: furnace controls blower  
ELE setting: thermostat controls blower  
3
4
3
4
3
Days, (7) P  
5+1+1 or 0  
Programs per week (0 = non-programmable)  
NA  
PS (4)  
2
Program periods per day  
4
2
= Morning, Day, Evening, Night  
= Day, Night  
5
5
4
Cool-Off-  
Cool-Off-Heat,  
System switch configuration in single stage  
Heat-Auto  
Off-Heat, Cool-Off  
Cool-Off-Heat- Cool-Off-Heat-Emer, System switch configuration, heat pump mode  
Emer-Auto  
Off-Heat-Emer,  
Cool-Off  
6
7
8
9
6
7
8
9
NA  
5
E (On)  
OFF  
Selects Energy Management Recovery, E (with programming option on)  
Selects Adjustable Anticipation, cycle rate, Heat  
Cr, Heat (FA)  
Cr, Cool (FA)  
Cr/AU, Emer (FA)  
SL  
SL  
SL  
6
Selects Adjustable Anticipation, cycle rate, Cool  
7
Selects Adjustable Anticipation, cycle rate auxiliary, (This item is  
only to appear if HP1 is selected above)  
Selects Compressor Lockout  
1
0
10  
11  
12  
13  
8
9
CL (OFF)  
dL (On)  
dL (LO)  
0
On  
OFF  
11  
Selects Continuous Display backlight & intensity  
Selects Backlight Intensity  
1
2
3
10  
11  
HI  
1
4, LO to 4, HI  
Selects Adjustable Ambient Temperature Display [range -4 (LO)  
to +4 (HI)]  
14  
15  
16  
17  
14  
15  
16  
17  
12  
13  
14  
15  
°F  
°C  
Selects °F/°C Display (temperature units in Fahrenheit or Celsius)  
b (On)  
OFF  
OFF  
OFF  
Selects audible Beeper On/Off  
dS (On)  
Selects Daylight Saving Time calculation  
AS, Heat (On)  
Selects Automatic Schedule for comfort temperature Programming,  
heat mode  
1
1
8
9
18  
19  
16  
17  
AS, Cool (On)  
OFF  
Selects Automatic Schedule for comfort temperature Programming,  
cool mode  
Selects Cool Saving Feature & amount  
CS, (OFF)  
Cool Savings  
HL, Heat (99)  
1-2-3-4-5-6  
20  
21  
22  
20  
21  
22  
18  
19  
20  
62-98  
46-82  
TEMPERATURE LIMIT, HEAT (max heat set point)  
TEMPERATURE LIMIT, COOL (min cool set point)  
LL, Cool (45)  
L (total), P (partial), Selects Keypad Lockout  
Temperature Limit  
limited temperature  
OFF,  
Keypad Lockout  
(
range)  
000  
001-999  
Selects Keypad Lockout Combination (active only if keypad Lockout  
is selected)  
2
3
4
23  
24  
21  
22  
FS, Heat (On)  
Remote (OFF)  
In, Remote  
LS (On)  
OFF  
On  
Fast second stage of heat (not available if SS1 is selected above)  
2
Remote temperature sensor, enable/disable  
Outdoor Remote  
OFF  
Remote temperature sensor (Indoor/Outdoor)  
Local temp Sensor enable/disable (only when Indoor Remote is  
selected On)  
2
5
6
25  
26  
23  
24  
dF (5)  
5-50  
Selects Dual Fuel Feature & set point (in Fahrenheit)  
(applicable only when HP1 is selected)  
Cd (60)  
0-99  
On  
Selects Compressor delay in seconds (only when dF is selected >5)  
2
Change Filter  
Selects Change filter feature  
(OFF)  
200 Hours  
25-1975  
Change filter, duration hours  
(in increments  
of 25 hours)  
5
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INSTALLER/CONFIGURATION MENU  
1)  
2)  
3)  
This control can be configured for:  
SS1 – Single Stage System  
HP1 – Heat Pump with one stage of compressor  
the backlight on continuously Selecting dL Off will turn  
the backlight on momentarily after any key is pressed  
When C terminal is not powered (battery only), dL On  
enables the momentary backlight whenever a key is  
pressed  
(2 heat/1 cool)  
(Dual Fuel see menu item 25)  
GAS or Electric (ELE) fan operation If the heating  
system requires the thermostat to energize the fan,  
select ELE Select GAS if the heating system energizes  
the fan on a call for heat Note: Resetting the thermo-  
stat switches the option to ELE.  
12) Select Backlight Intensity – This thermostat has the  
ability to provide two selectable intensities of the back-  
light: HI and LO Using  
or  
touch keys you can  
toggle the selection between HI and LO  
13) Select Temperature Display Adjustment 4 LO to 4 HI  
This allows you to adjust the room temperature display  
by an amount in the range of -4°F to +4°F in 1° steps by  
Programs per week – This control can be configured for  
7
independent day or 5+1+1 day programming or non-  
programmable modes Default is 7-day mode The  
display indicates "7 Days" as default Other options "5  
Days" or "0 Days" can be selected by pressing touch  
using the  
or  
touch keys Your thermostat was  
accurately calibrated at the factory, however you have the  
option to change the display temperature value to match  
your previous thermostat, if you so prefer  
keys,  
or  
If "0 Days" is selected for non-program-  
mable mode, the step for EMR will be skipped, as this  
feature will not be available in this mode  
14) Select °F or °C Readout  Select the desired temper-  
ature unit by pressing  
or  
Factory default is °F  
4
)
)
Program Steps per day – This control can be configured 15) Select Audio Prompting (Beeper) On or Off  Factory  
for 4 or 2 program steps per day Default is "4 PS" and  
can be toggled between 4 PS and 2 PS by pressing  
default setting is on (b, On) If you wish to turn off the  
beeper select OFF  
the  
or  
touch keys  
16) Select Daylight Saving Time Calculation – This feature  
will allow the thermostat to calculate the DST automati-  
cally and apply it to the Real Time Clock display Default  
5
System Switch Configuration (SS1/HP1) – This ther-  
mostat is configured for Heat and Cool with Auto change-  
over default (Cool-Off-Heat-Auto). Can be configured as  
Heat & Cool (Cool-Off-Heat), or Heat Only (Off-Heat), or  
Cool Only (Cool-Off)  
When the control is in heat pump configuration (HP1), the  
system switch configuration will have an additional mode  
available namely, Emer for Emergency Mode  
Energy Management Recovery (EMR) – (this step is  
skipped if configured as non-programmable).  
When set to "On" causes the thermostat to start heating  
or cooling early to make the building temperature reach  
the program setpoint at the time you specify  
Example: Let us say, the heating program is 65°F at  
night and 70° at 7 AM If the building temperature is 65°F,  
the difference is 5°F Allowing 5 minutes per °F rise, the  
thermostat setpoint will change to 70° at 6:35 AM  
Cooling allows more time per °F, because it takes  
longer to reach temperature  
On Use  
or  
touch keys to select the feature, OFF  
17 & 18)Select Automatic Schedule – This feature allows  
programming a “Comfort Temperature” into all program  
periods with the Auto Schedule key When Heat AS (for  
Heat mode) or Cool AS (for Cool mode) is selected On,  
the Auto Schedule feature is ready to be set Off in-  
dicates that the feature is not ready to be used or a  
“Comfort Temperature is already set See Auto Schedule  
in Programming section  
6)  
19) Select Cool Savings™: With Cool Savings™ enabled,  
the thermostat will make small adjustments to the  
setpoint temperature during periods of high demand to  
reduce AC 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 setpoint  
temperature in steps of less than one degree as the  
system continues to run These adjustments will eventu-  
ally cause the system to satisfy the thermostat to turn the  
system off and reduce the energy consumption When  
the Cool Savings™ feature is active and making ad-  
justments, the display will flash “Cool Savings” The  
amount of the adjustments to the setpoint temperature  
is dependent on the Cool Savings™ value that is set, 1  
being the least adjustment and 6 being the most adjust-  
ment With this feature set to OFF, no change will occur  
when the AC system is continuously running during the  
periods of high demand Periods of high demand will nor-  
mally occur during the late afternoon and early evening  
on the hottest days of the summer As demand lessens  
the adjustments to setpoint temperature are reversed  
until setpoint temperature returns to normal and “Cool  
Savings” no longer flashes.  
7
, 8 & 9) Cycle Rate Selection – The factory default setting  
is fast cycle (FA Cr) in all modes (Heat, Cool, Emer) To  
slow cycling (SL, Cr), press touch keys  
or  
toggle  
between FA & SL The cycle rates are as below different  
selections:  
Mode  
Heat  
Cool  
Fast rate  
Slow rate  
0
1
1
6°F  
2°F  
2°F  
1
1
1
2°F  
7°F  
7°F  
Emer  
1
0) Select Compressor Lockout (CL)  Selecting CL On  
will cause the thermostat to wait 5 minutes between  
cooling cycles This is intended to help protect the  
compressor from short cycling Some of the newer  
compressors have already got a time delay built in and  
do not require this feature to be activated in the thermo-  
stat Your compressor manufacturer can tell you if this  
lockout feature is already present in their system When  
the thermostat compressor time delay is activated, it will  
flash the set point for up to five minutes.  
11) Select Continuous Backlight  In low lighting condi-  
tions, display backlight improves the display contrast  
When C terminal is connected, selecting dL On will turn  
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INSTALLER/CONFIGURATION MENU  
2
2
2
0) Heat Temperature Limit Range – This feature adjusts  
the highest setpoint temperature for heat The default  
setting is 99°F It can be changed between 62°F and  
23 Select Fast Second Stage ON or OFF  In the run  
mode, with the fast Heat feature enabled (FA Heat On), if  
the Heat setpoint temperature is manually raised by 3°F  
98°F by pressing the  
or  
key The "temperature  
(2°C) or more above the actual temperature using the  
second stage will energize immediately With FA OFF,  
limit" icon will be displayed to the left of your setpoint  
temperature when using this feature The "temperature  
limit" icon will flash if an attempt is made to adjust the  
temperature beyond the range selected  
1) Cool Temperature Limit Range – This feature adjusts  
the lowest setpoint temperature for cool The default  
setting is 45°F It can be changed between 46°F and  
second stage will not energize until the setpoint tempera-  
ture is 1°F or more above actual temperature for more  
than ten minutes The Fast Cool feature (FA Cool) pro-  
vides the same controls when the setpoint temperature is  
lowered  
24) Select Remote Temperature Sensor – This control  
allows one wired remote temperature sensor (indoor,  
F145-1328, or outdoor, F145-1378) be connected to it  
and indicates the measured temperature in clock digits  
This menu enables you to select the remote sensor and  
also configure it as indoor or outdoor temperature sensor.  
Factory default is off Select Remote On and Remote in  
(for indoor) or Outdoor Remote  
82°F by pressing the  
or  
key The "temperature  
limit" icon will be displayed to the left of your setpoint  
temperature when using this feature The "temperature  
limit" icon will flash if an attempt is made to adjust the  
temperature beyond the range selected  
2) Keypad Lockout – This step allows you to select the  
type of lockout or limited range security required If no  
lockout or limited range security is required, press  
advance the menu  
to  
Local Temperature Sensor disable – This is applicable  
only when indoor remote temperature sensor is enabled  
Factory default is On LS You can make it Off LS if you  
Three security settings are available in this menu item  
Use the or keys to select the lockout desired  
Lockout selections are:  
Keypad Lockout and L" = Total Lockout Total Lockout  
locks all keys  
Keypad Lockout and P" = Partial Lockout Partial Lock-  
desire by using  
or  
touch keys Then, only the  
indoor remote temperature reading will be used for  
control  
"
25) Select Dual Fuel Feature and Setpoint – This feature is  
applicable only in heat pump modes An outside remote  
sensor must also be installed When the outside tem-  
perature falls below the selected setpoint temperature,  
dF, the thermostat will switch to gas heat and shut down  
"
out allows only the  
or  
keys to operate within your  
set temperature limits  
"Temperature Limit/Keypad Lockout" prevents  
changing the temperature limits in the Configuration  
Menu  
the compressor Use the  
or  
keys to select the  
desired setpoint temperature in the range of 5 to 50  
Factory default is 5, which disables this feature See  
Dual Fuel Temperature and Setpoint in Programming  
section  
Select Compressor Delay – When dF is enabled, the  
shut down of the compressor(s) is delayed for a time  
period after the auxiliary stage is energized This delay,  
Cd, is factory set at 60, but can be set in the range of 0  
to 99  
6) Select Change Filter Run Time – The thermostat  
will display "Change Filter" after a set time of blower  
operation This is a reminder to change or clean your air  
filter. This time can be set from 25 to 1975 hours in 25  
hour increments A selection of OFF will cancel this  
feature When "Change Filter" is displayed, you can  
clear it by pressing Clean Display In a typical application,  
Keypad Lockout Combination Number Selection  
Display will read "OFF" "Keypad Lockout"  
Skip this step and continue through the configuration  
menu items 23 thru 26 if you require an Air Filter Change  
out indicator or Humidifier Pad Change out indicator by  
pressing the  
button to advance  
Return to this point when you are ready to start your  
selected lock-out and continue by:  
2
Pressing  
Press  
Pressing  
or  
Display will read "000"  
or keys to select your keypad lockout  
keys to select ON  
combination number Note: "000" is not a valid  
combination choice  
Record the number you select for future use.  
Press  
to exit the menu The security feature you  
200 hours of run time is approximately 30 days  
select will start in 10 seconds The system button will  
remain active for 10 seconds to allow setting Heat, Off,  
Cool or Auto  
7
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OPERATING YOUR THERMOSTAT  
IMPORTANT!  
Choose the Fan Setting (Auto or On)  
Manual Operation (Bypassing the Program)  
Fan Auto is the most commonly selected setting and runs the Programmable Thermostats  
and the HOLD button and adjust the tempera-  
fan only when the heating or cooling system is on  
Fan On selection runs the fan continuously for increased air  
circulation or to allow additional air cleaning  
Press  
or  
ture wherever you like This will override the program The  
HOLD feature bypasses the program and allows you to adjust  
the temperature manually, as needed Whatever temperature  
you set in HOLD will be maintained 24 hours a day, until you  
manually change the temperature or press Run Schedule to  
cancel HOLD and resume the programmed schedule  
Choose the System Setting  
(
Cool, Off, Heat, Emer, Auto)  
Press the SYSTEM button to select:  
Heat: Thermostat controls only the heating system  
Off: Heating and Cooling systems are off  
Program Override (Temporary Override)  
buttons to adjust the temperature This will  
override the temperature setting for a (default) four hour over-  
ride period The override period can be shortened by pressing  
Cool: Thermostat controls only the cooling system  
Auto: Auto Changeover is used in areas where both heating  
and cooling may be required on the same day AUTO allows  
the thermostat to automatically select heating or cooling  
depending on the indoor temperature and the selected heat  
and cool temperatures When using AUTO, be sure to set the  
Cooling temperatures more than 1° Fahrenheit higher than  
the heating temperature  
Press  
or  
or lengthened by pressing  
Program Override period  
can range from 15 minutes to 7 days  
Example: If you turn up the heat during the morning program,  
it will be automatically lowered later, when the temporary hold  
period ends To cancel the temporary setting at any time and  
Emer: Setting is available only when the thermostat is config- return to the program, press Run Schedule  
ured in HP1 mode  
If the SYSTEM button is pressed to select AUTO the  
thermostat will change to Heat or Cool, whichever ran last If  
it switches to heat but you want cool, or it changes to cool but  
Manual Operation for  
Non-Programmable Thermostats  
Press the SYSTEM button to select Heat or Cool and use  
you want heat, press both  
change to the other mode  
or  
buttons simultaneously to  
the  
or  
buttons to adjust the temperature to your  
desired setting After selecting your desired settings you can  
also press the SYSTEM button to select AUTO to allow  
the thermostat to automatically change between Heat  
and Cool  
PROGRAMMING  
Set Current Time and Day  
Automatic Daylight Saving Calculation  
The Real Time Clock will adjust automatically for daylight sav-  
ings time, in the following manner:  
Increment one hour at 2 AM on the second Sunday of March  
and decrement one hour at 2 AM on the first Sunday of No-  
vember (New DST effective 2007)  
The daylight saving feature can be enabled or disabled in  
installer configuration mode. Default is dS ON (enabled)  
After entering installer configuration mode, momentarily  
1)  
Press Menu key to enter installer menu Then press  
Set Time once to indicate hour & A or P designation in  
clock display  
2)  
3)  
4)  
Press and hold either the  
or  
touch key until you  
reach the correct hour and A or P designation  
Press Set Time again to display minutes only in clock  
display  
Press and hold either the  
reach the correct minutes  
or  
touch keys until you  
press  
actual temperature digits) and on (default – in clock digits)  
and keys will toggle display and operation from on to  
OFF  
or  
touch key until the display indicates dS (in  
5
6
)
)
Press Set Time once again to display year  
Press and hold either the  
reach the correct year  
or  
touch key until you  
7
8
)
)
Press Set Time once again to display month  
Press and hold either the  
reach the correct month  
or  
touch key until you  
Programming Tip: Copy Button  
You may copy any daily program to another day or group  
of days by pressing the Copy button In 7 day programming  
mode when the Copy button is pressed, the other 6 days  
of the week will flash. To copy the current program into the  
remaining six days, simply press the Copy button again To  
copy the current program to another day of the week, press  
Advance Day to select the day and press Copy to paste the  
program In 5+1+1 day programming mode the copy function  
is similar The weekday (Mon-Fri) program can be copied to  
Sat and Sun (both flashing) or use Advance Day to choose  
Sat or Sun and press the Copy button to paste the program  
9
)
Press Set Time once again to display date of the month  
along with day of the week at top row (which is automatic)  
10) Press and hold either the  
or  
touch key until you  
reach the correct day of the month and day of the week  
is automatically calculated and displayed at the top row  
11) Press Run Schedule once; now the display will show the  
correct time and room temperature  
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PROGRAMMING  
Fill in the blank schedule on the next page then:  
Automatic Schedule  
This feature provides a method to program every day with  
the most popular time and temperature profile using one key  
press For this feature to be available, the Auto schedule op-  
tions (AS Cool or AS Heat) should be set on in the installer  
configuration.  
Enter the Heating Program  
1
) Press the Menu button and then press Set Schedule  
Press SYSTEM button to select either "Heat" or "Cool"  
in the system switch area indicating the active mode being  
programmed You can switch to the other mode by press-  
ing the system switch at any time  
Select the desired “Comfort Temperature” in the setpoint  
When the Auto Schedule touch key is pressed, it will start  
flashing indicating that it is now ready to insert the displayed  
temperature setpoint as the “Comfort Temperature” for the  
selected system mode currently in (Heat/Cool) A second  
press of the Auto Schedule touch key will complete the  
2
) The top of the display will show the day(s) being pro-  
grammed The time and set at temperature are also  
displayed "Morning" will also be displayed to indicate  
the period  
3
) Press  
selected temperature for the 1st heating period (Morning)  
) Press or key to adjust the start time for period  
or  
key to change the temperature to your  
o
process A 6 F setback temperature will also be inserted for  
4
the night step Once it is done, the touch key display Auto  
Schedule will disappear disabling any further operation of  
Auto Schedule touch key If desired it can be enabled again  
in the installer configuration menu.  
The time will change in 15 minute increments  
) Press FAN to select Auto or Prog  
) After you have set the time and the temperature for the  
period to begin, press Set Schedule to advance to the  
next program period  
5
6
Entering Fan Program  
7
) Repeat steps 2 through 6 until all of the program times  
and temperatures are set for all program periods on  
that day  
In the Set Schedule mode, the FAN key is used to select the  
fan operation during a program period The default state of  
the Fan key is FAN Auto (fan runs during a call for cool but  
not on a call for heat) It can be changed to FAN Prog (fan  
runs during a program period) Each press of the FAN key will  
change the mode of the fan between Auto and Prog  
8) Press "Advance Day" to change to the next day and  
repeat steps 2 through 8  
9
) When programming is complete and all of the times and  
temperatures match your desired heating schedule, press  
Run Schedule The thermostat will now run your program  
In the Run mode, when a program period that has FAN Prog  
begins, the fan will turn on and stay on during the com-  
plete period The display will show FAN On Prog Pressing  
the FAN key will change FAN On Prog to On (fan running  
continuously) or Auto To return to FAN On Prog, press Run  
Schedule  
Enter the Cooling Program  
1
2
) Press the SYSTEM button until the Cool icon appears  
) Follow Enter Heating Program instructions for entering  
cooling times and temperatures  
9
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PROGRAMMING  
Energy Saving Factory Pre-Program  
The 1F97-1277 thermostats are programmed with the energy saving settings shown in the table below for all days of the week  
If this program suits your needs, simply set the thermostat clock and press the RUN button  
The table below shows the factory set heating and cooling schedule for all days of the week  
*
Wake Up  
Leave For Work  
(Day)  
*Return Home  
(Evening)  
Go To Bed  
(Night)  
(Morning)  
Heating  
Program  
Cooling  
Program  
6:00 AM  
6:00 AM  
70°F  
78°F  
8:00 AM  
62°F  
5:00 PM  
70°F  
10:00 PM  
62°F  
8:00 AM  
85°F  
5:00 PM  
78°F  
10:00 PM  
82°F  
*
You can eliminate these two program periods in the configuration menu (reference #4) if the building is occupied all day.  
Day will change to 6:00 am and can be programmed as required  
Planning Your Program – Important  
The Heating and Cooling Program schedules below allow you to pencil in your own program times and temperatures  
The 1F97-1277 comes configured for 7 day programming and can also be configured for 5+1+1 programming  
(see configuration section).  
Factory settings are listed on Monday, Saturday and Sunday If you are re-programming a 5+1+1 day schedule,  
pencil in your own times and temperatures directly below the factory times and temperatures  
If you are re-programming a 7 day fill in all lines with the times and temperatures you want.  
Keep the following guidelines in mind when planning your program  
In Heating, lower temperatures will save energy.  
In Cooling, higher temperatures will save energy.  
If you plan on using Auto Changeover, do not program the heating higher than the cooling.  
Worksheet for Re-Programming 5+1+1 and 7 Day Program  
Heating  
Program  
Wake Up  
Morning)  
Leave For Work  
(Day)  
Return Home  
(Evening)  
Go To Bed  
(Night)  
(
Fan  
Fan  
Fan  
Fan  
6:00 AM 70°F Auto 8:00 AM 62°F Auto 5:00 PM 70°F Auto 10:00 PM 62°F Auto  
MON  
TUE  
WED  
THU  
FRI  
6
:00 AM 70°F Auto 8:00 AM 62°F Auto 5:00 PM 70°F Auto 10:00 PM 62°F Auto  
:00 AM 70°F Auto 8:00 AM 62°F Auto 5:00 PM 70°F Auto 10:00 PM 62°F Auto  
SAT  
SUN  
6
Cooling  
Program  
Wake Up  
Morning)  
Leave For Work  
(Day)  
Return Home  
(Evening)  
Go To Bed  
(Night)  
(
Fan  
Fan  
Fan  
Fan  
6:00 AM 78°F Auto 8:00 AM 85°F Auto 5:00 PM 78°F Auto 10:00 PM 82°F Auto  
MON  
TUE  
WED  
THU  
FRI  
6
:00 AM 78°F Auto 8:00 AM 85°F Auto 5:00 PM 78°F Auto 10:00 PM 82°F Auto  
:00 AM 78°F Auto 8:00 AM 85°F Auto 5:00 PM 78°F Auto 10:00 PM 82°F Auto  
SAT  
SUN  
6
10  
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PROGRAMMING  
Wired Remote Temperature Sensing  
Weight of Remote Reading:  
When in view schedule mode the weight of the indoor remote  
sensor will be shown in the left actual temperature digits des-  
ignated as A2 (default for average weight), H4 (high weight)  
or L1 (low weight) The period (Morning, Day, Evening, Night)  
will also be shown to the right of the weight value in the actual  
temperature digits  
One remote temperature sensor can be installed indoor or  
outdoor and connected to the thermostat by a maximum  
cable length of 100 meters (300 ft) Three terminals, +, S & -  
are provided on the terminal block to connect to the White-  
Rodgers standard wired remote sensor This sensor will be  
read by the thermostat only when 24VAC is present  
When used as indoor sensor, the readings can be weighted  
with the local sensor for specific program periods. User can  
enable or disable the remote sensor in the installer configura-  
tion mode and also the outdoor temperature can be selected  
to show on the display  
When in view schedule mode, press  
and  
keys at the  
the same time to sequence the indoor remote temperature  
sensor weight from A2 to H4 to L1 and back to A2 for each  
of the program period times for each day (The H4 weight is  
twice the weight of A2 and A2 is twice the weight of L1)  
Once in the installer configuration mode, momentarily press  
When Remote In is selected (with Remote selected to On),  
the  
top left of the LCD) and OFF (default – in clock digits)  
Pressing or touch key will toggle the operation and  
or  
touch key until display indicates Remote (at the  
press key for the display to indicate the status of the local  
sensor LS On (default for thermostat local sensor operation-  
al) The and keys will toggle the function and display  
display from Remote OFF to Remote On  
When Remote On is selected, press  
indicate Remote In (for indoor remote)  
from LS (shown in actual temperature digits) and On (shown  
in clock digits) to LS OFF to designate the local sensor is  
disabled  
key for the display to  
The  
or  
keys will toggle the operation and display from  
The local sensor may be disabled only if the indoor remote  
sensor is enabled and functional  
If the indoor remote sensor is disabled or not functional, the  
local sensor will automatically enable and display in the run  
schedule mode  
The actual temperature displayed in the run mode is the  
mathematical weighted sum of the two temperature sensors –  
local and indoor remote  
Remote In to Outdoor Remote  
When any remote is selected the temperature will display in  
the clock digits for one second alternating with the current  
time for three seconds when in Run Schedule mode  
Outdoor Remote will indicate at the top left of display for  
outdoor remote reading  
Only Remote will show at top left for indoor remote reading  
o
o
(
F or C will not indicate with remote temperature readings)  
Sensing Range:  
Outdoor temperature range is -40 to 140 F  
(Outdoor remote sensor is not used for this computation)  
If the remote sensor is absent or not enabled then the actual  
temperature will be as measured by the local sensor  
o
o
o
Indoor temperature range is 32 F to 99 F  
11  
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TROUBLESHOOTING  
Reset Operation  
Note: When thermostat is reset, installer configuration menu settings and programming will reset to factory settings.  
If a voltage spike or static discharge blanks out the display or causes erratic thermostat operation, you can reset the thermostat by removing  
the wires from terminals R and C (do not short them together) and removing batteries for 2 minutes After resetting the thermostat, replace the  
wires and batteries If the thermostat has been reset and still does not function correctly contact your heating/cooling service person or place  
of purchase  
Symptom  
Possible Cause  
Corrective Action  
No Heat/No Cool/No Fan  
1 Blown fuse or tripped circuit breaker  
2 Furnace power switch to OFF  
Replace fuse or reset breaker  
Turn switch to ON  
(common problems)  
3
Furnace blower compartment door or  
panel loose or not properly installed  
Loose connection to thermostat or system  
Replace door panel in proper position to engage  
safety interlock or door switch  
Tighten connections  
4
No Heat  
1 Pilot light not lit  
Re-light pilot  
2
Furnace Lock-Out Condition Heat  
may also be intermittent  
Many furnaces have safety devices that shut down  
when a lock-out condition occurs If the heat works  
intermittently contact the furnace manufacturer or  
local HVAC service person for assistance  
3
Heating system requires service or  
thermostat requires replacement  
Diagnostic: Set SYSTEM Switch to HEAT and  
raise the setpoint above room temperature Within  
a few seconds the thermostat should make a soft  
click sound This sound usually indicates the ther-  
mostat is operating properly If the thermostat does  
not click, try the reset operation listed above If the  
thermostat does not click after being reset contact  
your heating and cooling service person or place of  
purchase for a replacement If the thermostat clicks,  
contact the furnace manufacturer or a HVAC service  
person to verify the heating is operating correctly  
No Cool  
1 Cooling system requires service or  
thermostat requires replacement  
Same as diagnostic for No Heat condition except  
set the thermostat to COOL and lower the setpoint  
below the room temperature There may be up to  
a five minute delay before the thermostat clicks in  
Cooling  
Heat, Cool or Fan  
Runs Constantly  
1 Possible short in wiring  
2 Possible short in thermostat  
Check each wire connection to verify they are not  
shorted or touching together No bare wire should  
stick out from under terminal block Try resetting  
the thermostat as described above If the condition  
persists the manufacturer of your system or service  
person can instruct you on how to test the Heat/  
Cool system for correct operation If the system  
operates correctly, replace the thermostat  
3
4
Possible short in heat/cool/fan system  
FAN Switch set to Fan ON  
Thermostat Setting &  
Thermostat Thermometer  
Disagree  
1 Thermostat thermometer setting  
requires adjustment  
The thermometer can be adjusted +/- 4 degrees  
See Temperature Display Adjustment in the Con-  
figuration Menu section.  
Furnace (Air Conditioner)  
Cycles Too Fast or Too Slow  
1 The location of the thermostat and/or  
the size of the Heating System may  
be influencing the cycle rate.  
Digital thermostats provide precise control and  
cycle faster than older mechanical models The  
system turns on and off more frequently but runs for  
a shorter time so there is no increase in energy use  
If you would like an increased cycle time, choose  
SL for slow cycle in the Configuration menu, step 7  
(narrow or wide  
temperature swing)  
(heat) or 8 (cool) If an acceptable cycle rate is not  
achieved, contact a local HVAC service person for  
additional suggestions  
Forgot Keypad  
Lockout Code  
Press the menu button (button will disappear) and  
hold in for 20 seconds This unlocks the thermostat  
First item in Configuration  
Earlier model of thermostat refer to 37-6814D  
Menu is not SS1 or HP1  
White-Rodgers is a business  
of Emerson Electric Co.  
The Emerson logo is a  
trademark and service mark  
of Emerson Electric Co.  
www.white-rodgers.com  
www.emersonclimate.com  

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