White Rodgers 1F85 0477 Thermostat User Manual

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Blue 4” Universal Thermostat with  
Automatic Heat/Cool Changeover Option  
Single Stage, Multi-Stage or Heat Pump  
Installation and Operating Instructions for Model:  
Save these instructions for future use!  
Model  
Programming Choices  
5/1/1 Day  
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS  
CAREFULLY BEFORE INSTALLING OR OPERATING  
THIS CONTROL COULD CAUSE PERSONAL INJURY  
AND/OR PROPERTY DAMAGE.  
7 Day  
1F85-0477  
APPLICATIONS  
THERMOSTAT APPLICATION GUIDE  
1F85-0477 Thermostat  
Description  
Heat Pump (No Aux. or Emergency Heat)  
Heat Pump (with Aux. or Emergency Heat)  
Systems with up to 2 Stages Heat, 2 Stages Cool  
Heat Only Systems (with optional fan switch)  
Millivolt Heat Only Systems – Floor or Wall Furnaces  
Cool Only Systems  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Gas or Oil Heat  
Electric Furnace  
Hydronic (Hot Water) Zone Heat – 2 Wires  
Hydronic (Hot Water) Zone Heat – 3 Wires  
SPECIFICATIONS  
Electrical Rating:  
Battery Power.................................................... mV to 30 VAC, NEC Class II, 50/60 Hz or DC  
Input-Hardwire................................................... 20 to 30 VAC  
Terminal Load........................................................... 1.5 A per terminal, 2.5A maximum all terminals combined  
Setpoint Range......................................................... 45° to 90°F (7° to 32°C)  
Differential (Single Stage)......................................... Heat 0.6°F; Cool 1.2°F (adjustable)  
Differential (Heat Pump) ........................................... Heat 1.2°F; Cool 1.2°F (adjustable)  
Operating Ambient.................................................... 32° to +105°F (0° to +41°C)  
Operating Humidity................................................... 90% non-condensing max.  
Shipping Temperature Range ................................... -40° to +150°F (-20° to +65°C)  
Dimensions Thermostat............................................ 3-7/8”H x 5-1/8”W x 1-1/4”D  
CAUTION  
To prevent electrical shock and/or equipment damage,  
disconnect electric power to system at main fuse or  
circuit breaker box until installation is complete.  
!
ATTENTION: MERCURY NOTICE  
This product does not contain mercury.However, this product  
may replace a product that contains mercury.  
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. Refer  
to www.white-rodgers.com for location to send product  
containing mercury.  
Index  
Installation  
Wiring Connections  
Wiring Diagrams  
Page  
2
2
3
Thermostat Quick Reference  
Installer Configuration Menu  
Operating Your Thermostat  
Programming  
5
6
8
8
Troubleshooting  
11  
PART NO. 37-7050A  
0933  
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INSTALLATION  
!
Figure 1 – Battery door shown open  
WARNING  
Thermostat installation and all components of the  
control system shall conform to Class II circuits per  
the NEC code.  
“AA” Alkaline Batteries  
Remove Old Thermostat  
A standard heat/cool thermostat consists of three basic parts:  
1. The cover, which may be either a snap-on or hinge type.  
2. 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.  
Thermostat can be powered by system AC power or Battery.  
If  
is displayed, the thermostat is battery powered. If  
is not displayed, thermostat is system powered with optional  
battery back-up. When battery power remaining is approxi-  
mately half, the  
will be displayed. When “Change  
is displayed, install fresh “AA” alkaline batteries immediately.  
For best results, replace all batteries with new premium brand  
alkaline batteries such as Duracell® or Energizer®. We recom-  
mend replacing batteries every 2 years. 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 offset by 10 degrees (10 degrees  
cooler in Heat mode / 10 degrees warmer in Cool mode). If  
offset occurs, the normal setpoint can be manually reset with  
Installing New Thermostat  
1. Pull the thermostat body off the thermostat base. Forcing  
or prying on the thermostat will cause damage to the unit.  
2. Place base over hole in wall and mark mounting hole  
locations on wall using base as a template.  
or  
. Another offset will occur within two days if batter-  
3. 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 snug-  
ly, use plastic screw anchors to secure the base.  
ies are not replaced.  
Figure 2 – Thermostat base and rear view of thermostat  
4. Fasten base snugly to wall using mounting holes shown  
in Figure 2 and two mounting screws. Leveling is for  
appearance only and will not affect thermostat operation.  
5. Connect wires to terminal block on base.  
Mounting  
Hole  
Mounting  
Hole  
6. Push excess wire into wall and plug hole with a fire re-  
sistant material (such as fiberglass insulation) to prevent  
drafts from affecting thermostat operation.  
7. Carefully line the thermostat up with the base and snap  
into place.  
Place Level  
Place Level  
across  
Mounting Tabs  
across  
Mounting Tabs  
(for appearance only)  
(for appearance only)  
Batteries  
2 “AA” alkaline batteries are included with the thermostat.  
To install the batteries, pull the battery door as shown by the  
arrow and lift open. Using the polarity indicated inside the bat-  
tery door, insert the batteries. To close the battery door, swing  
the door down while pulling in the direction of arrow. Once  
fully down, snap the door back into position. To replace the  
batteries, set system to OFF.  
WIRING CONNECTIONS  
Refer to equipment manufacturersinstructions for specific system wiring information. After wiring, see CONFIGURATION section  
for proper thermostat configuration. Refer to figure 3 through 6 for wiring diagram specifications.  
TERMINAL DESIGNATION DESCRIPTIONS  
Terminal  
Terminal  
Designation  
Description  
Designation Description  
L.............. Heat pump malfunction indicator for systems  
with malfunction connection  
O.............. Changeover valve for heat pump energized  
constantly in cooling  
W/E............Heat Relay/Emergency Heat Relay (Stage 1)  
W2.............2nd Stage Heat (3rd Stage Heat in HP 2)  
G..............Fan Relay  
RH.............Power for Heating  
B.............. Changeover valve for heat pump energized  
constantly in heating  
Y.............. Compressor Relay  
RC.............Power for Cooling  
C ..............Common wire from secondary side of cooling system  
transformer or heat only system transformer  
6...............3 Wire Zone Valve – Energized when no call for Heat  
Y2............. 2nd Stage Compressor  
2
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WIRING DIAGRAMS  
Heat Pump Connections  
HEAT PUMP TYPE 1 (HP 1). Single stage compressor  
system; gas or electric backup.  
HEAT PUMP TYPE 2 (HP 2). Multi-stage compressor or two  
compressor system with gas or electric backup.  
After wiring, see INSTALLER CONFIGURATION section for  
proper thermostat configuration.  
If you do not have a heat pump system, refer to figures 4-6.  
Refer to equipment manufacturers’ instructions for specific  
system wiring information.  
You can configure the thermostat for use with the following  
heat pump systems.  
Figure 3 – Heat Pump Systems  
Jumper  
Jumper  
L
W/E  
Y
Y2  
O/B  
W2  
C
G
RH RC  
System  
NOTE: If your system does  
not provide an E connection,  
jumper W2 to W/E to use  
the Auxiliary Heat in the  
Emergency Mode.  
Heat Mode  
2nd Stage.  
Emergency  
Mode 2nd  
Stage  
O
Blower/  
Circulator  
No  
Heat Pump 1  
(HP1)  
Energized in  
Cool Mode  
Output  
Fan Energized  
Fault Indicator  
or System  
Malfunction  
Switch  
Optional*  
24 Volt  
(Com-  
mon)  
Heat and  
Cool Mode  
1st Stage  
Emergency  
Mode  
1st Stage  
on Call for 24 Volt  
Heat or Cool. (Hot)  
Set Elect/Gas Heat  
Option for  
Emergency  
Mode  
24 Volt  
(Hot)  
Cool  
B
Heat Mode  
3rd Stage.  
Emergency  
Mode 2nd  
Stage  
Energized in  
Heat, Off,  
Emergency  
Mode  
* Common connection  
required for fault or  
malfunction indication.  
2nd  
Stage  
(Com-  
pressor)  
(Compressor)  
Heat Pump 2  
(HP2)  
System Malfunction  
Module  
NEUTRAL  
24VAC  
HOT  
120VAC  
CLASS II  
TRANSFORMER  
Single Stage and Multi-Stage Connections  
Refer to equipment manufacturers’ instructions for specific  
system wiring information.  
This thermostat is designed to operate a single-transformer  
or two-transformer system.  
SINGLE STAGE (SS 1) gas, oil or electric.  
MULTI-STAGE (MS 2) gas, oil or electric.  
After wiring, see INSTALLER CONFIGURATION section for  
proper thermostat configuration.  
You can configure the thermostat for use with the following  
fossil fuel systems:  
Figure 4 – Single Stage or Multi-Stage System (No Heat Pump) with Single Transformer  
Jumper  
L
O/B  
W/E  
W2  
G
RH  
C
Y
RC  
Y2  
System  
Single  
Stage 1  
(SS1)  
Blower/  
Circulator  
Fan Energized  
on Call for  
Cool (and  
Heat if  
configured  
for Electric  
Heat)  
O
No  
No Output  
Energized Constantly  
in Cool Mode  
* Common connection  
required for fault or  
malfunction indication.  
Fault  
Indicator  
or  
System  
Malfunction  
Switch  
Output  
Optional*  
24 Volt  
(Com-  
mon)  
Heat  
Mode  
1st Stage  
24 Volt  
(Hot)  
Cool  
24 Volt  
(Hot)  
Heat  
Cool Mode  
1st Stage  
B
Energized Constantly  
in Heat, Off,  
Emergency  
Mode  
Multi-  
Stage 2  
(MS2)  
Cool  
Mode  
2nd  
Heat Mode  
2nd Stage  
Stage  
System Malfunction  
Module  
NEUTRAL  
24VAC  
HOT  
120VAC  
CLASS II  
TRANSFORMER  
3
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WIRING DIAGRAMS  
Figure 5 – Single Stage or Multi-Stage System (No Heat Pump) with Two Transformers  
Remove Jumper Wire  
between RH & RC  
Jumper  
O/B  
W/E  
G
RH  
RC  
L
Y2  
Y
C
W2  
System  
Single  
Stage 1  
(SS1)  
O
Blower/  
Circulator  
Fan Energized  
on Call for  
Cool (and  
Heat if  
configured  
for Electric  
Heat)  
No  
Energized Constantly  
in Cool Mode  
No Output  
Output  
Optional  
24 Volt  
(Com-  
mon)  
Fault  
Indicator  
(NOT  
24 Volt 24 Volt  
(Hot) (Hot)  
Heat Cool  
Heat  
Mode  
1st Stage  
Cool Mode  
1st Stage  
B
Energized Constantly  
in Heat, Off,  
Emergency  
Mode  
USED)  
Cool  
Mode  
2nd  
Multi-  
Stage 2  
(MS2)  
Heat Mode  
2nd Stage  
Stage  
NEUTRAL  
24VAC  
HOT  
120VAC  
COOLING  
NEUTRAL  
120VAC  
HEATING  
24VAC  
HOT  
CLASS II  
TRANSFORMER  
CLASS II  
TRANSFORMER  
Figure 6 – 3-Wire (SPDT) Heat Only Zone Valve Wiring  
Jumper  
6
W
G
RH  
C
Y
RC  
System  
Constant  
24 Volt  
(Com-  
mon)  
Single Stage  
3-wire  
Zone Valve  
application  
24 Volt  
(Hot)  
Heat  
(5)  
Closes  
Valve  
(6)  
Opens  
Valve  
(4)  
24 Volt  
(Hot)  
Cool  
Blower/Circulator  
Fan Energized  
NEUTRAL  
24VAC  
HOT  
120VAC  
CLASS II  
TRANSFORMER  
4
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THERMOSTAT QUICK REFERENCE  
Home Screen Description  
Figure 7 – Home Screen Display  
Room  
Setting  
Temperature  
Temperature  
Battery Level Indicator  
Indicating the current power  
level of the 2 “AA” batteries.  
Full power remaining.  
Mo  
Set  
P
Half power remaining.  
Run  
Change  
The batteries  
should be replaced at this time  
with 2 new premium brand  
“AA” Alkaline batteries.  
SYSTEM  
Heat  
FAN  
Auto  
Menu  
(See page 2 for more details)  
System  
Indicator  
Fan  
Indicator  
Programming and Configuration Items  
Figure 8 – Programming & Configuration Items  
“System On” indicates when heating or cooling stage  
is energized. “System On +2” indicates when a second  
stage is energized.  
1
2
3
2
4
Mo Tu We Th Fr Sa Su  
P Date  
Temp Hold  
Month Call For Service Save  
The word “Hold” is displayed when the thermostat is in  
the Hold mode. “Temp Hold” is displayed when  
the thermostat is in a Temporary Hold mode.  
Set  
12  
8
Year  
Run Hold  
Change  
Filter  
Displays “Change Filter” when the system has run for  
the programmed filter time period as a reminder to  
3
9
10  
11  
System On +2  
1
Auto Sched  
Cool Savings  
change or clean your filter.  
Heat Pump  
4
5
Displays “Set” for setpoint when in Run Program mode.  
Set  
Schedule  
Menu  
SYSTEM  
Heat Em Auto  
CoolOffTime  
FAN  
Displays System Mode (Heat, Em, Auto, Cool, Off)  
or “Time” in Menu Mode.  
On Auto  
6
7
8
9
Displays Fan Mode (On, Auto) in Menu Mode.  
Displays “Set Schedule”, “Schedule”, or “Menu”.  
Displays “Save” when Cool SavingsTM is working.  
6
7
5
Displays “Heat Pump” when system is configured  
as Heat Pump thermostat.  
“Call For Service” indicates a fault in the heating/  
cooling system, it does not indicate a fault in the  
thermostat.  
12  
Displays “Hold” in programmable mode. When not in  
Hold mode, displays “Run” in program run mode.  
10  
11  
Initially displays “Auto Sched”. If Auto Schedule had  
been used or disabled, then it displays “Cool Savings”  
when in the Cool Mode if Cool Savings has been ena-  
bled in the menu.  
5
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INSTALLER/CONFIGURATION MENU  
With thermostat in Heat, Cool or Auto, in normal operation, press the Menu button for at least 5 seconds. The display will show  
item #1 in the table below. Press Menu button to advance to the next menu item. Press  
or  
to change an item option.  
INSTALLER/CONFIGURATION MENU  
DISPLAYED  
(FACTORY DEFAULT)  
MENU  
REF.  
Press  
or  
to  
PRESS  
HP SS BUTTON  
COMMENTS  
select from listed options  
1
1
1
MENU  
(MS 2)  
HP 1, HP 2, SS 1  
Selects Multi-Stage (MS 2 No Heat Pump),  
Heat Pump 1 (HP 1, 1 compressor),  
or Single Stage (SS 1), Heat Pump 2 (HP 2, 2  
compressor or 2 speed compressor)  
2
3
4
5
6
7
2
2
3
4
5
6
MENU  
MENU  
MENU  
MENU  
MENU  
MENU  
(GAS) for SS or MS  
(ELE) for HP  
ELE  
1, 2, 3, 4, 5, 6  
OFF  
GAS setting: furnace controls the blower  
ELE setting: thermostat controls the blower  
3
4
5
6
CS (0)  
(Disabled)  
Selects Cool Savings  
Value 1 (low) to 6 (high), Value 0 Disables Feature  
E (On)  
Selects Energy Management Recovery (EMR)  
On or OFF.  
CR Heat (ME)  
SL, FA  
Adjustable Anticipation:  
Selects heating cycle rate for MS or SS  
CR Heat Pump  
(ME)  
SL, FA  
Adjustable Anticipation (Heat Pump) (only  
when heat pump selected in #1)  
CR Cool (ME)  
or  
CR Emer (FA)  
SL, FA  
SL  
Adjustable Anticipation: Selects the cycle rate for  
cooling (only when MS 2 or SS 1 is selected in  
item 1.) or Selects the cycle rate for Emergency  
mode and Auxiliary stage if Heat Pump is  
selected in item 1.  
8
9
7
8
7
8
MENU  
MENU  
CL (OFF)  
CL On  
Compressor Lockout Time  
Heat Auto  
Cool Off  
Heat Cool Off,  
Heat Off with Fan icon,  
Heat Off without Fan icon  
Cool Off, Auto Off  
System Mode Conguration  
with Automatic Changeover capability  
10  
9
9
MENU  
dL (On)  
0
dL OFF  
Selects Display Light On or OFF  
11 10 10 MENU  
1 HI, 2 HI, 3 HI, 4 HI,  
Adjustable Ambient Temperature Display  
(current temperature) 1 LO, 2 LO, 3 LO, 4 LO  
12 11 11 MENU  
Selects Fahrenheit/Celsius Temperature Display  
°F  
°C  
13 12 12 MENU  
L Heat  
(90)  
L 62 to L 89  
Selects Limited HEAT Range  
14 13 13 MENU  
L Cool  
(45)  
L 46 to L 82  
Selects Limited COOL Range  
15 14 14 MENU  
P7  
P3  
Defaults for 7 day programming (P7) or 5/1/1  
day programming (P3) is available  
16 15 15 MENU  
17 16 16 MENU  
Heat AS (On)  
Cool AS (On)  
Heat FA (On)  
OFF  
OFF  
OFF  
Automatic Schedule for heat mode.  
Automatic Schedule for cool mode.  
Fast Heat option may be disabled by  
18 17  
MENU  
selecting OFF. NA to SS cong.  
19 18  
MENU  
Cool FA (On)  
dS (On)  
OFF  
OFF  
Fast Cool option may be disabled by  
selecting OFF. NA to SS cong.  
NA to Heat only system.  
20 19 17 MENU  
Selects Automatic daylight Savings Time option  
On or OFF.  
21 20 18 MENU Change Filter (OFF)  
MENU Change Filter (200 h)  
On  
Selects Filter Change-out Indicator On or OFF.  
25-1975 h  
Change Filter time in 25 hour increments. This  
menu only appears if On is selected in above.  
22 21 19 MENU  
23 22 20 RUN  
Cool On (o)  
Heat On (b)  
Selects operation of the reversing valve terminal  
(O/B) output as an O or B terminal.  
Returns to Normal Operation  
6
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INSTALLER/CONFIGURATION MENU  
1) This control can be configured for:  
8) Select Compressor Lockout CL OFF or ON – Select-  
ing 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 newer com-  
pressors already have a time delay built in and do not  
require this feature.Your compressor manufacturer can  
tell you if the lockout feature is already present in their  
system. When the thermostat compressor time delay oc-  
curs, it will flash the setpoint for up to five minutes.  
MS 2 – Multi-Stage System (no heat pump)  
HP 1 – Heat Pump with one stage of compressor  
HP 2 – Heat Pump with two stage compressor or two  
compressor system, Gas or Electric backup  
SS 1 – Single Stage System  
2) GAS or Electric (ELE) fan operation. If the heating sys-  
tem requires the thermostat to energize the fan, select  
ELE. Select GAS if the heating system energizes the fan  
on a call for heat.  
9) System Mode Configuration – This thermostat is  
configured for Heat and Cool (SYSTEM switch with Cool,  
Off, Heat) default. It can also be configured for Heat and  
Cool with Auto changeover (Heat, Auto, Cool, Off), Heat  
only with fan (Off, Heat), Heat only without fan, Auto only  
(Auto, Off), and Cool only (Cool, Off).  
3) Select Cool Savings™ value – Selects the amount  
of adjustment for the Cool Savings™ feature in Cool  
mode with 1 (1°) being the least amount of adjustment  
and 6 (6°) being the most amount of adjustment. Default  
value is 0 which disables this feature. Selecting a value  
greater than 0 will display Cool Savings on the screen  
and enable the key for Cool Savings feature. Cool Sav-  
ings is an optional energy saving feature that can reduce  
your cooling costs. It is based on the principal that lower  
indoor humidity makes a slightly higher temperature  
feel more comfortable. Cool Savings operates during  
periods of high demand which normally occur on the  
hottest summer days when a cooling system may run  
for hours to reach the thermostat setting. Long cooling  
run times also lower the indoor humidity. Cool Savings,  
very slowly, adjusts the setpoint temperature to make the  
setpoint closer to the displayed room temperature, to a  
maximum of the number of degrees you select. Adjust-  
ing the setpoint temperature over a long cooling run time  
allows the system to reach your set temperature and turn  
off. The room temperature will actually be higher than  
the thermostat displays but the reduction in humidity will  
allow comfort at the slightly higher temperature.  
10) Select Backlight Display – The display backlight im-  
proves display contrast in low lighting conditions. When  
the “C” terminal is powered, selecting backlight CdL ON  
will keep the light on continuously. Select backlight OFF  
will turn the light on momentarily after any key is pressed.  
When the “C” terminal is not powered, the light will be on  
momentarily after any key is pressed no matter whether  
the backlight is selected ON or OFF.  
11) Select Temperature Display Adjustment 4 LO to 4 HI  
– Allows you to adjust the room temperature display up  
to 4° higher or lower.Your thermostat was accurately cali-  
brated at the factory, but you have the option to change  
the display temperature to match your previous thermo-  
stat. The current or adjusted room temperature will be  
displayed.  
12) Select F° or C° Readout – Changes the display readout  
to Celsius or Fahrenheit as required.  
13 & 14) Temperature Limit Range Heat or Cool – This  
selection sets the maximum HEAT (13) or minimum  
COOL (14) temperature for the setpoint range. Select the  
To turn this feature on in the Cool mode press Cool  
Savings. The display will show “Save” next to the  
setpoint temperature. When Cool Savings is making ad-  
justments to the room temperature display “Save” will be  
flashing and the displayed room temperature may vary  
within the adjustment range you selected.  
limit temperature using the  
or  
keys. In the Run  
mode, the setpoint temperature will not adjust past the  
limit temperature selected. When the limit temperature is  
reached, trying to raise or lower the setpoint past the limit  
will cause “Lto be displayed in the times digits for about 6  
seconds. This feature not available on earlier models.  
If “Save” is not displayed and this feature is OFF, no  
change will occur when the cooling system is continu-  
ously running during periods of high demand.  
15) Program Options: Configured for 7 day or 5/1/1 day pro-  
gramming or non-programmable mode. The default set-  
ting is P7, indicating 7 day programming. The programs  
4) Energy Management Recovery: Energy Management  
Recovery (E) On enables the thermostat to start heating  
or cooling early to make the building temperature reach  
the program setpoint at the time you specify. Heating will  
start 5 minutes early for every 1° of temperature required  
to reach setpoint.  
per week can be changed to P3 by pressing the  
or  
keys. A selection of 0 Days for non-programmable  
will eliminate the need for EMR, and that step in the  
menu will be skipped.  
16 & 17) Select Automatic Schedule – With just one touch  
of the AUTO SCHEDULE button this feature allows  
you to program a desired comfort temperature into all  
the program periods along with a 6° set back for night  
periods of both Heat and Cool programs. Factory default  
is “On” for both. When Heat AS On and Cool AS On  
are activated while in Heat or Cool mode, select desired  
setpoint temperature and press AUTO SCHEDULE. This  
value will be copied into all the morning, day and evening  
program periods. The night program periods will have a  
6°F set back.  
Example: E On is selected and your heating is pro-  
grammed to 65° at night and 70° at 7 AM. If the build-  
ing temperature is 65°, the difference between 65° and  
70° is 5°. Allowing 5 minutes per degree, the thermostat  
setpoint will change to 70° at 6:35 AM. Cooling allows  
more time per degree, because it takes longer to reach  
set temperature.  
5, 6 & 7) Cycle Rate Selection – The factory default setting  
for Heat and Cool modes, SS1, MS2, is medium cycle  
(ME). For Heat Pump, HP1, HP2, the default setting is  
medium (ME). For Emer (Aux) the default setting is fast  
18 & 19) Select Fast Second Stage ON or OFF – Heat  
pump or Multi-stage only, in the run mode, with the fast  
Heat feature enabled (FA Heat On), if the Heat setpoint  
temperature is manually raised by 3°F (2°C) or more  
cycle (FA). To change cycle rate, press the  
key.  
or  
Cycle rate differentials for different settings are:  
Fast  
FA  
Medium Slow  
above the actual temperature using  
the second  
MODE  
ME  
SL  
stage will energize immediately. With FA OFF, second  
stage will not energize until the setpoint temperature is  
1°F or more above actual temperature for more than ten  
minutes. The Fast Cool feature (FA Cool) provides the  
same controls when the setpoint temperature is lowered.  
Heat (SS1, MS2)  
Cool (SS1, MS2)  
Heat Pump (HP1, HP2)  
Emer (HP1, HP2)  
0.4°F  
0.9°F  
0.9°F  
0.6°F  
0.6°F  
1.2°F  
1.2°F  
-
1.7°F  
1.7°F  
1.7°F  
1.7°F  
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INSTALLER/CONFIGURATION MENU  
20) Select Daylight Saving Time Calculation – This feature 22) Select Reversing Valve Output – The O/B option is  
will allow the thermostat to calculate the DST automati-  
cally and apply it to the Real Time Clock display. Default  
factory set at “O” position. This will accommodate the  
majority of heat pump applications, which require the  
changeover relay to be energized in COOL. If the  
thermostat you are replacing or the heat pump being  
installed with this thermostat requires a “B” terminal, to  
energize the changeover relay in HEAT, the O/B option  
should be set at “B” position.  
On. Use  
or  
buttons to select the feature OFF.  
21) Select Filter Replacement Reminder and Set Run  
Time – Select the “Change Filter” reminder On or  
OFF. If selected On, press MENU to select the time  
period from 25 to 1975 hours in 25 hours increments.  
In a typical system, 200 hours (default) of run time is  
approximately 30 days. After the selected time of blower  
operation, the thermostat will display “Change Filter”  
as a reminder to change or clean your air filter. When  
“Change Filter” is displayed, press MENU or RUN but-  
ton to clear the display and restart the time to the next  
filter change.  
OPERATINGYOUR THERMOSTAT  
IMPORTANT!  
Choose the Fan Setting (Auto or On)  
Press the FAN button to Auto or On.  
Fan Auto is the most commonly selected setting and runs the  
fan only when the heating or cooling system is on.  
Fan On runs the fan continuously for increased air circulation  
or to allow additional air cleaning.  
Manual Operation (Bypassing the Program)  
Programmable Thermostats  
Press  
or  
and then the HOLD button and adjust the  
temperature 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  
to cancel HOLD and resume the programmed schedule.  
Choose the System Setting  
(Heat, Off, Cool, Auto, Emer)  
Press the SYSTEM button to select:  
Program Override (Temporary Override)  
Heat: Thermostat controls only the heating system.  
Off: Heating and Cooling systems are off.  
Press  
or  
buttons to adjust the temperature. This  
will override the temperature setting for two hours minimum  
or until the next programmed time. To cancel the temporary  
setting at any time and return to the program, press RUN. 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 you want  
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.  
heat, press both  
and  
buttons simultaneously to  
change to the other mode.  
Em: (Heat Pump models) Thermostat controls only backup  
heating system.  
PROGRAMMING  
Set Current Time and Date  
1) Press MENU and then TIME button once. The display  
will show the hour only.  
5) Additional presses of TIME will advance the display to  
show the year, month and date of month. Press the  
or  
button to change the display to the correct set-  
ting for each.  
2) Press and hold either the  
or  
button until you  
6) Press RUN to exit the TIME mode.  
reach the correct hour and AM/PM designation (AM  
begins at midnight, PM begins at noon).  
3) Press TIME once again. The display window will show  
the minutes only.  
4) Press and hold either the  
reach the correct minutes.  
or  
button until you  
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PROGRAMMING  
9) Repeat steps 2 through 8 until all of the program times  
and temperatures are set for all program periods on  
that day.  
10) Press SCHEDULE to the next day and repeat steps 2  
through 9.  
Enter the Heating Program  
1) Press SYSTEM button to select “Heat” in the system  
switch area indicating the active mode being pro-  
grammed.  
2) Press the MENU button and then press SCHEDULE.  
11) When programming is complete and all of the times and  
temperatures match your desired heating schedule, press  
RUN. The thermostat will now run your program.  
3) The top of the display will show the day(s) being pro-  
grammed. The time and temperature (flashing) are also  
displayed. “1” will also be displayed to indicate the pe-  
riod.  
Enter the Cooling Program  
1) Press SYSTEM button to select “Cool” in the system  
switch area indicating the active mode being pro-  
grammed.  
4) Press  
or  
button to change the temperature to  
your selected temperature for the 1st heating period.  
5) Press TIME button, time will flash.  
6) Press  
1st period.  
7) The time will change in 15 minute increments.  
or  
button to adjust the start time for the  
2) Follow Enter Heating Program instructions for entering  
cooling times and temperatures.  
8) After you have set the time and the temperature for  
the period to begin, press SCHEDULE to advance to the  
next program period.  
Energy Saving ENERGY STAR® Factory Pre-Program  
The programmable 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  
(Period 1)  
Leave For Work  
(Period 2)  
Return Home  
(Period 3)  
Go To Bed  
(Period 4)  
Heating  
6:00 AM  
6:00 AM  
70°F  
75°F  
8:00 AM  
8:00 AM  
62°F  
83°F  
5:00 PM 70°F 10:00 PM  
5:00 PM 75°F 10:00 PM  
62°F  
78°F  
Program  
Cooling  
Program  
PlanningYour Program – Important  
If you are re-programming a 5+1+1 fill in your own times and  
temperatures directly below the factory times and tempera-  
tures.  
The Heating and Cooling Program schedules below allow you  
to pencil in your own program times and temperatures.  
The thermostat comes configured for 7 day programming  
and can also be configured for 5/1/1 day programming (see  
configuration section).  
Keep the following guidelines in mind when planning your  
program.  
• In Heating, lower temperatures will save energy.  
Factory settings are listed on Monday through Friday, Satur-  
day and Sunday. If you are re-programming a 7 day schedule,  
pencil in all lines with the times and temperatures you want.  
• In Cooling, higher temperatures will save energy.  
• If you plan on using Auto Changeover, do not program  
the heating higher than the cooling.  
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PROGRAMMING  
Worksheet for Re-Programming 7 Day and 5+1+1 Day Program  
Heating  
Program  
Wake Up  
(Period 1)  
Leave For Work  
(Period 2)  
Return Home  
(Period 3)  
Go To Bed  
(Period 4)  
6:00 AM  
70°F  
8:00 AM  
62°F  
5:00 PM  
70°F  
10:00 PM  
62°F  
MON  
TUE  
WED  
THU  
FRI  
6:00 AM  
6:00 AM  
70°F  
70°F  
8:00 AM  
8:00 AM  
62°F  
62°F  
5:00 PM  
5:00 PM  
70°F  
70°F  
10:00 PM  
10:00 PM  
62°F  
62°F  
SAT  
SUN  
Cooling  
Program  
Wake Up  
(Period 1)  
Leave For Work  
(Period 2)  
Return Home  
(Period 3)  
Go To Bed  
(Period 4)  
6:00 AM  
75°F  
8:00 AM  
83°F  
5:00 PM  
75°F  
10:00 PM  
78°F  
MON  
TUE  
WED  
THU  
FRI  
6:00 AM  
6:00 AM  
75°F  
75°F  
8:00 AM  
8:00 AM  
83°F  
83°F  
5:00 PM  
5:00 PM  
75°F  
75°F  
10:00 PM  
10:00 PM  
78°F  
78°F  
SAT  
SUN  
10  
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TROUBLESHOOTING  
Reset Operation  
function correctly contact your heating/cooling service person  
or place of purchase.  
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  
Note: Be sure to review the installer configuration menu  
settings.  
To reset the programming, clock and configuration settings,  
press  
and  
and the FAN button simultaneously. The  
thermostat should go blank and then all segments will be  
displayed momentarily.  
Symptom  
Possible Cause  
Correction Action  
No Heat/No Cool/No Fan  
(common problems)  
1. Blown fuse or tripped circuit breaker.  
2. Furnace power switch to OFF.  
3. Furnace blower compartment door or  
panel loose or not properly installed.  
4. Loose connection to thermostat or  
system.  
Replace fuse or reset breaker.  
Turn switch to ON.  
Replace door panel in proper position to engage safety  
interlock or door switch.  
Tighten connections.  
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 thermostat 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.  
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  
Heat, Cool or Fan  
Runs Constantly  
3. Possible short in heat/cool/fan system. under terminal block. Try resetting the thermostat as  
4. FAN Switch set to Fan ON.  
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.  
Thermostat Setting &  
Thermostat Thermometer  
Disagree  
1. Thermostat thermometer setting  
requires adjustment.  
The thermometer can be adjusted +/- 4 degrees. See  
Temperature Display Adjustment in the Configuration Menu  
section.  
Furnace (Air Conditioner)  
Cycles Too Fast or Too  
Slow (narrow or wide  
temperature swing)  
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 6 (heat), 7 (cool) or 8 (heat pump). If an acceptable  
cycle rate is not achieved, contact a local HVAC service  
person for additional suggestions.  
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HOMEOWNER HELP LINE: 1-800-284-2925  
White-Rodgers is a division  
of Emerson Electric Co.  
The Emerson logo is a  
trademark and service mark  
of Emerson Electric Co.  

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