White Rodgers 90 Thermostat User Manual

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INTRODUCTION  
Thank you for purchasing  
your new Comfort-Set® 90  
Series thermostat. Your new  
White-Rodgers Thermostat  
uses solid state micro-  
Adaptable to most 24 volt  
light commercial forced air,  
multistage or heat pump  
systems with electric or  
fossil fuel auxiliary.  
thermostat configuration  
begin on page 4. Program-  
ming information begins on  
page 7. Descriptions of the  
thermostat’s features begin  
on page 11.  
computer technology to  
You will find information  
provide precise time/tem-  
perature control. This ther-  
mostat offers the flexibility  
to design heating and cooling  
programs that fit your needs.  
about thermostat buttons and We have also added thumb  
display in the component tabs to help you find sections  
section beginning on page 2. of the manual.  
Instructions for optional  
Index  
Configuration  
Programming  
Features  
Orientation  
Introduction  
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ORIENTATION  
7
14  
THE THERMOSTAT BUTTONS  
Used to adjust the time backward,  
Used to set the filter change-out  
time, or to reset the filter change timer.  
See inside front cover for illustration or to select the previous menu item.  
showing button locations.  
8
15  
Sets the system mode (HEATing,  
EMERgency, OFF, COOLing, or  
AUTOmatic changeover).  
Used to adjust the time forward, or  
to select the next menu item.  
1
(Blue arrow) Lowers temperature  
setting (45°F or 7°C minimum)  
9
BACK  
FWD  
Used with TIME  
/TIME  
2
16  
(Red arrow) Raises temperature  
setting (99°F or 37°C maximum)  
to set the current day.  
Used to adjust the clock one hour  
forward or back.  
10  
Used to advance operation to the  
next program period or advance to the  
green for 1st stage, yellow for 2nd stage, next day in programming mode.  
3
17  
The multi-color indicator glows:  
Used to start or return to program  
operation.  
red for emergency heat and flashing  
red for malfunction condition in  
system.  
11  
Used to manually override  
programming to hold at a selected  
temperature.  
4
This button (on top of the cover)  
lights the display.  
12  
Used to enter and configure the  
VACATION mode.  
5
Used to initiate or review thermo-  
13  
Selects fan operation (see The  
stat programming or advance to next  
program period in programming mode.  
21  
Display  
). This button is also used  
to program the fan to run continuously  
during a program period.  
6
BACK  
FWD  
Used with TIME  
/TIME  
to set the clock.  
2
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19  
21  
Displays FAN ON when the fan is  
THE DISPLAY  
CHECK STAT appears when the  
18  
Displays system mode (HEAT,  
thermostat detects certain problems  
within itself. CHECK SYSTEM  
appears when the thermostat detects  
certain problems in heating or cooling  
the system.  
operating continuously. Displays FAN  
AUTO when the fan cycles with the  
heating or cooling system. Displays  
PRG FAN ON when fan is pro-  
grammed to be on during a period.  
EMER, OFF, COOL, AUTO,  
HOLD, or VACA). During program-  
ming displays the time period  
(OCCU, UNOC) being programmed..  
In the configuration menu, the menu  
item name is shown, one word at a  
time (PRGM MODE, EMR, COOL  
FAN DELA OFF, etc.).  
20  
22  
Indicates the length of time  
Displays the setpoint temperature.  
Alternately displays room  
remaining in a temporary hold  
condition. Also indicates the length of  
time remaining in VACATION mode.  
23  
temperature and time of day.  
24  
Shows the current day of the week.  
When programming, shows the day(s)  
being programmed.  
18  
19  
21  
18  
21  
25  
20  
The word HEAT or COOL will  
appear above or below the setpoint if  
CHECK BATTERY  
STAT SYSTEM  
HRS  
CHECK BATTERY  
PRG  
FAN AUTO  
HRS  
FAN ON  
18  
area  
is needed to display other  
HEAT  
HEAT  
°F  
°F  
information.  
AM  
AM  
25  
MON TUE WED THU FRI SAT SUN  
MON TUE WED THU FRI SAT SUN  
24 23  
22  
Figure 1. The Display  
3
Orientation  
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CONFIGURATION  
BACK  
The configuration menus allow you to  
set certain thermostat operating  
characteristics to your system or  
personal requirements.  
for at least two seconds.  
To exit either menu and return to  
normal operation, press PROGRAM  
RUN  
. To re-enter to the User menu at  
RUN  
To enter the User Configuration menu,  
any time press PROGRAM  
,
RUN  
FWD  
press PROGRAM  
to make sure then press TIME  
and TIME  
BACK  
the thermostat is in the run program  
at the same time. While in the  
FWD  
mode, then press TIME  
TIME  
and  
menus, if you do not press any buttons  
for two minutes, the thermostat will  
revert to normal operation.  
BACK  
at the same time. The  
display will show the first item in the  
configuration menu.  
The following charts (pages 5 & 6)  
describe each item on the menus. Press  
FWD  
TIME  
to move forward to the  
BACK  
next item in the menu or TIME  
to move backward to the previous  
item. Set these according to your  
personal preference using  
or  
. To enter the Keypad Lock  
menu, while in the User Menu, press  
FWD  
and hold TIME  
and TIME  
4
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User Menu  
Step  
Press Button(s)  
Displayed  
(Factory Default)  
Press  
or  
to select:  
COMMENTS  
Ref  
Page  
Adjusts temperature display higher or lower.  
FWD  
11  
11  
12  
12  
1
0 °F  
5 LO to  
5 HI  
TIME  
and TIME BACK  
(room temperature)  
Selects EMR option ON or OFF or L ON.  
2
3
FWD  
EMR  
(ON)  
OFF  
or ON L  
TIME  
TIME  
Adjusts temperature display to °F or °C.  
(°F)  
°C  
FWD  
Set Fan (one shot) option. Set the duration of a  
temporary fan option.  
4
5
6
7
SET FAN  
(0)  
0 - 6 HRS  
OFF  
FWD  
FWD  
TIME  
TIME  
Turns keypad beeper ON or OFF.  
BEEP  
(ON)  
12  
12  
12  
12  
OFF delays starting second stage for economy.  
ON starts second stage earlier with user intervention.  
HEAT FAST  
(OFF)  
ON  
FWD  
FWD  
FWD  
TIME  
TIME  
TIME  
OFF delays starting second stage for economy.  
ON starts second stage earlier with user intervention.  
COOL FAST  
(OFF)  
ON  
Enables outdoor temperature sensor. Requires  
optional remote sensor connected to terminal OT  
and remote thermistor probe. Also displays outdoor  
temperature if active.  
8
TEMP OUT  
(OFF)  
ON  
5
Configuration  
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User Menu (Continued)  
12  
13  
13  
Telephone RUN program feature. Requires optional  
X10 system.  
9
FONE (Icon)  
(OFF)  
ON  
FWD  
TIME  
Shows accumulated time compressor has run.  
10  
COMP RUN TIME  
(00)  
(Compressor run time  
in hours)  
FWD  
TIME  
To reset to 00, press  
Shows accumulated time AUXILIARY has run.  
To reset to 00, press and  
Returns to normal operation.  
and  
.
11  
AUX RUN TIME  
(00)  
(AUXILIARY run time  
in hours)  
FWD  
TIME  
.
PROGRAM  
12  
RUN  
Keypad Lockout Menu (access from User Menu)  
Step  
Press Button(s)  
Displayed  
(Factory Default)  
Press  
or  
to select:  
COMMENTS  
Ref  
Page  
Partial Keypad lockout OFF or ON.  
13  
FWD  
1
PART LOCK  
(OFF)  
ON  
TIME  
and TIME  
BACK  
(hold for two  
seconds)  
Total Keypad lockout OFF or ON.  
Returns to normal operation.  
13  
2
3
LOCK  
(OFF)  
FWD  
TIME  
ON  
PROGRAM  
RUN  
6
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PROGRAMMING  
MANUAL OPERATION  
Fill out the blank schedule (page 10)  
with the time and temperatures you  
want in your program. Fill in every  
space for your program.  
To Set the Day:  
Your Comfort-Set® 90 Series thermo-  
stat can be used to control temperature  
DAY  
5. Press SET  
. The display will  
indicate a day of the week. Use TIME  
manually (without programming). For  
BACK  
FWD  
or TIME  
to set to the  
SYSTEM  
manual operation, press  
to  
The same temperature can be repeated  
more than once if you do not want the  
temperature to change over several  
time periods.  
current day of the week.  
select HEAT or COOL, then press  
RUN  
6. Press PROGRAM  
.
HOLD  
PROGRAM  
. Use  
or  
to set the temperature as  
desired.  
To Set the Program:  
SYSTEM  
7. Press  
to select HEAT (for  
Entering Your Program  
heating program) or COOL (for  
cooling program).  
PROGRAMMED OPERATION  
Planning Your Program  
The sample schedule (page 9) shows  
the factory installed programs for  
heating and cooling. The heating and  
cooling programs are separate, and  
must be programmed individually. To  
To Set the Clock:  
RUN  
1. Press PROGRAM  
.
VIEW  
8. Press PROGRAM  
one time.  
TIME  
2. Press SET  
. The display will  
The display will show OCCU and the  
settings for time and temperature. The  
display will also show MON for  
Monday.  
FWD  
show the hour. Use TIME  
or  
BACK  
TIME  
to set to the current hour  
and AM/PM designation.  
use the factory program, set the clock  
TIME  
3. Press SET  
again. The  
9. If you program Monday the first  
time you press PROGRAM  
will be copied to the rest of the week.  
RUN  
and press PROGRAM  
with the  
display will show minutes. Use TIME  
VIEW  
it  
SYSTEM  
thermostat  
set to Heat, Cool,  
BACK  
FWD  
or TIME  
current minutes.  
to set to the  
or Auto.  
To program the other days of the week  
ADV.  
RUN  
press  
/DAY until you reach the  
4. Press PROGRAM  
.
7
Programming  
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day you wish to change and follow  
Steps 10, 11 & 12. You can also copy  
UNOC. Repeat steps 10 and 11 to  
enter time and temperature for this  
the program from one day to another.  
period.  
HOLD  
To copy, press  
/COPY. The  
ADV.  
13.Press PROGRAM  
to change  
display will show COPY, and all the  
MON to TUE and show the OCCU  
time and temperature settings. Repeat  
steps 10 through 12 to enter times and  
temperatures for this day.  
other days of week will be flashing.  
HOLD  
Press  
/COPY again to copy the  
day into the rest of the week or press  
BACK  
FWD  
TIME  
or TIME  
until  
14.Continue through the entire  
schedule, entering time and tempera-  
ture for each day and period. When  
you are satisfied that your program  
matches your schedule, press PRO-  
RUN  
you reach the day you want to copy to  
HOLD  
and press  
/COPY.  
BACK  
FWD  
10.Press TIME  
or TIME  
to set the time on the display as  
selected in your HEATING or  
COOLING SCHEDULE. Be sure to  
check the AM or PM on the display.  
GRAM  
. Programming is now  
complete for this mode and your  
program is running.  
11.Press the red  
or blue  
15.To program the other mode, repeat  
the procedure from step 7.  
key to adjust the temperature to match  
your schedule. If you want the fan ON  
continuously during this period, press  
FAN  
.
VIEW  
12.Press PROGRAM  
one time.  
OCCU on the display will change to  
8
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Sample Program Schedule  
(Shows factory programming)  
1
2
3
4
5
6
3
4
5
6
8:00 AM  
8:00 AM  
8:00 AM  
8:00 AM  
8:00 AM  
8:00 AM  
8:00 AM  
70°F (21°C) 78°F (25°C)  
70°F (21°C) 78°F (25°C)  
70°F (21°C) 78°F (25°C)  
70°F (21°C) 78°F (25°C)  
70°F (21°C) 78°F (25°C)  
70°F (21°C) 78°F (25°C)  
70°F (21°C) 78°F (25°C)  
5:00 PM  
5:00 PM  
5:00 PM  
5:00 PM  
5:00 PM  
5:00 PM  
5:00 PM  
62°F (17°C) 85°F (29°C)  
62°F (17°C) 85°F (29°C)  
62°F (17°C) 85°F (29°C)  
62°F (17°C) 85°F (29°C)  
62°F (17°C) 85°F (29°C)  
62°F (17°C) 85°F (29°C)  
62°F (17°C) 85°F (29°C)  
MON  
TUE  
WED  
THU  
FRI  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
SAT  
SUN  
1
2
3
4
5
6
Occupied (OCCU)  
Unoccupied (UNOC)  
Start Time  
Heating Temperature  
Cooling Temperature  
Program Fan  
9
Programming  
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Personal Program Schedule  
1
2
3
4
5
6
3
4
5
6
MON  
TUE  
WED  
THU  
FRI  
SAT  
SUN  
1
2
3
4
5
6
Occupied (OCCU)  
Unoccupied (UNOC)  
Start Time  
Heating Temperature  
Cooling Temperature  
Program Fan  
10  
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FEATURES  
CONFIGURATION MENU FEATURES  
Adjustable Temperature Display.  
(User menu, Item 1) The room  
temperature display can be adjusted to  
read higher or lower by following the  
User menu and adjusting the tempera-  
ture to a higher or lower value. The  
thermostat is calibrated at the factory  
to display a very accurate room  
early in order to make the building  
temperature reach your program  
setpoint at the time you specify. In  
multistage heating, the thermostat will  
start 8 minutes early for every 1°F  
difference between the room tempera-  
ture and the next programmed  
temperature. In cooling and heat pump  
applications, the thermostat uses 15  
minutes per °F. For heating applica-  
tions in large buildings where extra  
time to reach the set temperature may  
be desired, EMR Long may be  
the room temperature (65°F) and the  
setpoint (70°F) is 5°. 5° X 8 minutes  
per °F = 40 minutes. The setpoint on  
the display will actually change to  
display 70° about 40 minutes early.  
The maximum time the thermostat can  
start early in heating is 75 minutes (or  
3 hours, 45 minutes if EMR ON L is  
selected). The maximum time in  
cooling and heat pump applications is  
3 hours and 45 minutes. Cooling or  
heat pump applications start earlier  
because it takes longer to reach the  
desired temperature. This feature also  
minimizes the use of the auxiliary  
stages if conditions are such that the  
compressor stages are adequate to  
reach the desired setpoint.  
temperature, but due to various  
conditions and/or personal preference,  
you may wish to adjust the thermostat  
display higher or lower (up to 5°F).  
For example, if the thermostat displays  
a room temperature of 70° but you  
want it to display 73°, you can adjust  
it. To adjust, refer to the CONFIGU-  
RATION section (page 5, item 1).  
selected. When EMR ON L is selected  
in the user menu (page 5, item 2) the  
thermostat uses 15 minutes per °F.  
EXAMPLE: If the temperature in the  
room is 65°F and the thermostat is  
programmed for 70°F at 7 AM, the  
thermostat will start approximately 40  
minutes early. The difference between  
Selectable Energy Management  
Recovery (EMR).  
(User menu, Item 2) EMR causes the  
thermostat to start operating the system  
To select or deselect this feature, refer  
to the CONFIGURATION section  
(page 5, item 2).  
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Features  
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Fahrenheit or Celsius Tempera-  
ture Display.  
Beeper on.  
or more degrees below room tempera-  
ture. If Cool Fast is set to OFF, the  
thermostat will delay the second stage  
from 0 to 30 minutes based on how  
well the first stage is keeping up with  
your setting.  
(User menu, Item 5) The thermostat  
has a beeper that will emit a tone when  
any key is pressed. In the user menu,  
the BEEP feature can be turned OFF  
(User menu, Item 3) This thermostat  
is factory set to display temperature in  
Fahrenheit. If you prefer, you may  
configure the thermostat to display  
Celsius. See the CONFIGURATION  
section (page 5, item 3).  
using  
or  
to provide silent  
key operation.  
Outdoor Temperature Sense.  
(User menu, Item 8) A remote sensor  
(F145-1378) may be installed for  
outdoor temperature measurement. The  
sensor must be properly connected and  
Heat Fast.  
One Shot Fan Control.  
(User menu, Item 6) This feature,  
when set to ON, will bring the second  
stage of heating on any time you  
(User menu, Item 4) This feature  
allows you to have the fan run (“one  
shot fan”) for a predetermined period  
of time by pressing the FAN key twice  
within 1.5 seconds. If a time is set in  
the User menu (page 5, item 4) the  
display will show FAN, # hrs and  
PRG FAN ON for six seconds. After  
six seconds the display will continue to  
indicate PRG FAN ON for the time  
period selected. After this time period,  
the fan will return to normal operation.  
To return the fan to normal operation  
before the end of the time period, press  
the FAN key.  
manually raise the temperature three or enabled using the User menu. The  
more degrees above room temperature.  
If Heat Fast is set to OFF, the thermo-  
stat will delay the second stage from 0  
to 30 minutes based on how well the  
first stage is keeping up with your  
setting.  
display shows the outdoor temperature  
from -40° to 140°F by pressing the  
light button twice within one second  
when the thermostat is in program run  
or hold mode.  
Cool Fast.  
(User menu, Item 7) This feature,  
when set to ON, will bring the second  
stage of cooling on any time you  
manually lower the temperature three  
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Activate RUN PRG by Telephone.  
(User menu, Item 9) With the optional tampering with the program. Two  
TRADITIONAL FEATURES  
Automatic Changeover.  
keypad to prevent unauthorized  
X-10 Telephone Responder, Model  
TR551, and Universal Low Voltage  
Module, UM506, installed, you can  
make a telephone call to run your  
program if the thermostat has been set  
to Hold or Vacation Hold. These items  
are available from Radio Shack.  
levels of security are available, Total  
Keypad Lockout or Partial Keypad  
Lockout. Total Keypad Lockout  
renders all buttons inoperative. Partial  
Keypad Lockout allows only the  
If you have a heating/cooling system,  
the thermostat can be set to automati-  
cally switch the system between  
heating and cooling as needed. To set  
your thermostat to this operating mode,  
SYSTEM  
or  
to operate for temporary  
press  
button until AUTO is  
temperature overrides. It also limits the  
temperature to the maximum heating  
and minimum cooling temperatures  
used in your program. This is espe-  
cially useful in buildings where  
unscheduled events are common.  
Anyone can change the temperature,  
but only between the temperatures you  
set and only for the number of hours  
you specify if you set up your Hold  
Till timing (see “Temporary Program  
Override” (page 15). To select or  
deselect this feature, refer to the  
CONFIGURATION section (page 6,  
Keypad Lock menu).  
displayed on the screen.  
Compressor Run Time and  
Auxiliary Run Time.  
Factory Preprogrammed Times  
and Temperatures.  
This thermostat has been programmed  
at the factory. The chart in the  
programming examples section lists  
these factory settings. If the times and  
temperatures are the same as your  
schedule, you may simply run the  
(User menu, Item 10 and 11) You can  
see how long the compressor has run  
(in hours) by viewing the User table,  
Item 10. You can see how long the  
system Auxiliary has run (in hours) by  
viewing the User table, Item 11. These  
can be reset to 00 when displayed by  
factory installed program by pressing  
pressing  
time.  
and  
at the same  
RUN  
PROGRAM  
.
Compressor Short-Cycle  
Protection.  
Your thermostat is designed to protect  
your system against premature  
Keypad Lockout.  
(Keypad Lockout table) This security  
feature allows you to lock out the  
13  
Features  
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compressor failure by “locking out”  
the compressor. This ensures that the  
compressor will stay off for at least  
five minutes on each cycle. When the  
thermostat is in compressor lock-out,  
the word COOL will flash. During this  
period, the compressor will not be  
energized  
fan is selected. This means at the time  
you set the period to start, the fan will  
come on and run until the next  
program time period  
PRG FAN ON is on the display. The  
fan will continue to run through this  
period as well as the previous one.  
If the thermostat is in a period with  
continuous fan and you want the fan to  
cycle, press the FAN key. PRG FAN  
ON on the display will turn off.  
Example: Your thermostat is pro-  
grammed with the original factory  
settings for the Monday OCCU period  
in the heating mode.  
Air Filter Change-Out Indicator.  
This feature allows the thermostat to  
display CHNG FLTR (change filter)  
after a set time of fan operation. This is  
a reminder to change or clean your air  
filter. The factory set interval for  
CHNG FLTR to be displayed is 200  
hours of fan operation. This can be set  
anywhere from 0 to 1950 hours in 25  
hour increments. A selection of 00 will  
cancel this feature.  
Programmable Fan Control.  
This feature allows you to have your  
fan operate continuously through one  
or more programmed time periods.  
This is useful if you want to have  
constant air circulation during a  
specific time period. If you do not use  
this feature, the fan will cycle normally  
with the heating and cooling system.  
Pressing PROGRAM  
will  
VIEW  
display OCCU, 8AM, 70 and PRG  
FAN ON. Pressing the FAN key will  
toggle the programmable fan off and a  
second press would turn it back on.  
When PRG FAN ON is in the upper  
right of the display, your thermostat is  
programmed to adjust the temperature  
to 70° at 8AM and also bring the fan  
on to run constantly until the next  
program time period.  
To program the fan, follow the steps in  
the PROGRAMMING section. In each  
time period, you can press the FAN  
key to select a continuous fan or a  
When CHNG FLTR is displayed, you  
can clear it by pressing the FILTER  
key. This resets the timer and starts  
counting the hours until the next filter  
change.  
At the next time period you may  
choose to continue the program fan  
feature. Change to the next program  
period and press the FAN key until  
14  
normally cycling fan. The display will  
show PRG FAN ON when continuous  
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The following steps will allow you to  
change the number of hours for filter  
change-out.  
contact the manufacturer of your  
heating/cooling equipment.  
• The thermostat sensor is not  
functioning. If using a remote sensor,  
check connections, wiring and power.  
System and Thermostat Diag-  
nostics.  
1. If CHNG FLTR is on the display,  
press the FILTER key once to reset  
the timer. If you do not see CHNG  
FLTR proceed to step 2.  
After checking the above, press  
RUN  
PROGRAM  
to reset the  
The display will indicate CHECK  
SYS if the room temperature does not  
rise within two hours of the call for  
heat. After two hours the thermostat  
will quit calling for heat for one  
minute (this allows some furnaces to  
reset) and call for heat again. It will  
repeat this sequence three times. If the  
temperature still does not rise, it will  
continue to call for heat. This normally  
indicates the heating system is not  
working correctly. You may wish to  
consult your furnace manufacturer or  
service person.  
display. If this does not clear the  
display, disconnect power for five  
minutes.  
2. Press the FILTER key, The display  
will show SET FILTER TIME and the  
number of hours remaining before  
CHNG FLTR indicator will display.  
If these checks fail to solve the  
problem, the thermostat should be  
replaced.  
3. Press the FILTER key a second  
time. The display will show SET  
FILTER TIME and will show the  
number of hours to filter change.  
Temporary Program Override.  
Any time your program is running and  
you would like to override it for a  
specific amount of time, press  
BACK  
FWD  
or  
until the temperature you  
4. Press TIME  
or TIME  
want is displayed. The display will  
indicate HOLD, and the number of  
hours remaining in the hold period will  
be indicated with the word HRS. To  
to change the time to your require-  
ments.  
The display will indicate CHECK  
STAT if one of the following occurs.  
RUN  
5. Press PROGRAM  
to return  
to the normal operating mode.  
• One of the keys is stuck down or in.  
Check the keys, make sure nothing is  
pushing them in.  
adjust the length of time for the  
NOTE: If unsure what interval to use  
between filter changes or cleaning,  
FWD  
override, press TIME  
or TIME  
BACK  
. HOLD TILL will be displayed  
15  
Features  
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Programmable Vacation Time/  
Temperature Operation.  
as well as the HOLD period expiration  
hours in advance of your expected  
return to allow time to reach the  
desired temperature. Your thermostat is  
now programmed to hold the tempera-  
ture you selected through your  
FWD  
time. Press the TIME  
or TIME  
BACK  
The VACATION key allows you to  
program the thermostat to hold a  
constant temperature for 1 to 29 days.  
At the end of the day and time you  
select, the thermostat will return to  
normal program operation.  
keys until you reach the time  
you would like it to resume the  
FWD  
program. The TIME  
or TIME  
BACK  
keys adjust the time in 15  
vacation for HEAT, COOL, or AUTO.  
minute increments. This programmed  
hold time has a 19 hour maximum.  
Beyond 19 hours you may wish to use  
the vacation hold feature (page 16). If  
you need to, you can adjust the  
temperature up or down.  
After 20 seconds the display will  
return to time/temperature alternation,  
and will display VACA. Pressing  
VACATION again will activate the  
To program the number of days, press  
VACATION. VACA HOLD TILL will  
be displayed. The display will also  
show DAYS (flashing) and the number  
5 to indicate the factory default of a 5  
vacation mode settings. Pressing  
RUN  
PROGRAM  
cancels this  
feature and begins running your  
normal program.  
Indefinite Program Hold.  
If you want to operate the thermostat  
to keep a set temperature without a  
day period. To change the number of  
FWD  
vacation days, press TIME  
or  
to  
Optional Remote Temperature  
Sense.  
BACK  
TIME  
. Press  
or  
program running, press PROGRAM  
set the temperature you wish to  
maintain while away. While still in the  
vacation mode, set the time you want  
HOLD  
. The  
or  
keys can  
Up to three remote sensors (F145-1328)  
can be attached to this thermostat to  
sense indoor temperature at locations  
away from the thermostat. Each sensor  
may be located as far as 200 feet away  
from the thermostat. This is an  
excellent feature if the thermostat is in  
be use to raise or lower the tempera-  
ture. The thermostat will hold the set  
temperature until you return to the  
program by pressing PROGRAM  
the program to resume by pressing  
TIME  
SET  
once. The current time will  
FWD  
display. Press only TIME  
to  
RUN  
.
adjust the time in 15 minute incre-  
ments. You may wish to select a few  
16  
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a poor location for sensing temperature During programming, you can also  
period.  
or if you want to install the thermostat  
in a separate room to prevent tamper-  
ing. After installing and connecting the allows the system to maintain a  
remote sensor(s) to the thermostat, the comfortable environment by giving  
installer can enable each remote indoor higher priority to occupied locations.  
assign each sensor different priorities  
during different program periods. This  
In the OCCU period, the office area  
sensor will have more importance, so  
the system will operate to keep the  
temperature at the setpoint in that area.  
In the UNOC period, the assembly  
area sensor will have the higher  
priority, so that area will be kept at the  
setpoint temperature.  
temperature sensor (A, B, and/or C).  
At the same time, efficient system  
operation is enhanced by giving lower  
priority to unoccupied locations.  
The temperature at each remote sensor  
can be displayed by pressing the light  
button twice within one second with  
the thermostat in program run or hold  
EXAMPLE: Your location has the  
thermostat in the office area and a  
To assign priority to a sensor, press  
ADV.  
VIEW  
PROGRAM  
and  
to  
mode. Temperatures at the outdoor and remote sensor in an assembly area. The  
select the period, then press the  
indoor remote sensors will be  
displayed with subsequent presses of  
the light button in the following order  
(if connected): outdoor sensor, sensor  
L, A, B, C.  
office has people working only during  
the day shift, but the assembly area has  
a day shift and night shift. During the  
day, you want the office area to be  
more comfortable so you give the  
sensor in that area (the thermostat) a  
HI priority during the OCCU period.  
VACATION key. On the display in  
place of OCCU or UNOC the priority  
of the sensor and the sensor identifica-  
tion will appear. Press the VACATION  
key to step through the sensors that are  
installed and enabled L (local), A, B or  
C. Only sensors that are installed and  
enabled will be listed. When the sensor  
you wish to change is displayed, press  
the DAYLIGHT SAVING TIME key  
to change the priority (AVG, HI or  
When operating with remote sensor(s),  
the thermostat will calculate an  
average of the sensed temperatures in  
all enabled sensor locations (A, B, C  
and/or L), then display the average  
temperature as the room temperature.  
On the night shift, the office area is  
vacant, but people are working in the  
assembly area. You give the sensor in  
that area a HI priority for the UNOC  
17  
Features  
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Large Lighted Liquid Crystal  
Display (LCD).  
Arm Chair Programming.  
LO). AVG is the default setting. A  
setting of HI gives a sensor more  
importance and a setting of LO gives  
less importance.  
The thermostat uses 24 VAC power  
supplied by the system for normal  
operation. The electrolytic capacitor  
allows you the added convenience of  
programming the thermostat even  
when not attached to the wallplate,  
Attach the thermostat to the wallplate  
and allow the capacitor to charge for at  
least one hour. After the capacitor is  
charged you will have approximately  
one hour after removing the thermostat  
from the wallplate to configure and  
program the thermostat.  
The large numbers and letters on your  
LCD screen make it easy to see. In low  
light conditions, press the button on  
top of the thermostat and the display  
will light up for three seconds. For ten  
minutes after pressing the light button,  
pressing any other button will light the  
display for ten seconds.  
Daylight Savings Time Button.  
One button adjustment allows you to  
change your thermostat clock between  
Standard Time and Daylight Savings  
Time. Simply push the DAYLIGHT  
SAVINGS TIME key to advance the  
time forward one hour in the Spring. In  
the Fall press the DAYLIGHT  
SAVINGS TIME key twice to fall  
back an hour. If you push it three times  
in a row (in less than 30 seconds) it  
will return to the original time setting.  
After clock adjustment, press PRO-  
The thermostat display alternately  
shows the current time and the current  
temperature on the left side. The  
display also shows the temperature you  
have programmed or set on the right  
side of your screen.  
GRAM  
to resume your normal  
RUN  
program.  
18  
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Thermostat Startup After Total  
Power Loss.  
powered for at least 4 hours prior to  
the power outage. When power is  
restored, the thermostat will return to  
the temperatures listed above.  
On installation, or when power is  
restored after a total power loss to the  
thermostat, your thermostat will  
automatically maintain a heating  
temperature of 62°F (16°C) and a  
cooling temperature of 85°F (29°C).  
If this happens, set the clock and day  
of the week (use PROGRAMMING  
steps 1 through 6 from “Entering  
Your Program” page 7), then select  
If the 24 volts from the Heating/  
Cooling transformer is lost, your  
thermostat will lose its display in 2  
minutes and may lose time in about 6  
hours. This hold up time will be much  
shorter if the control had not been  
HEAT, EMER, COOL or AUTO  
SYSTEM  
using the  
PROGRAM  
key, and press  
to resume  
RUN  
operation with your previously set  
program.  
19  
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INDEX  
Factory Preprogrammed ------------ 14  
Fahrenheit or Celsius Temperature  
Display -------------------- 12  
Schedule  
Sample Program ------------------- 9  
Personal Program ----------------- 10  
Set  
Clock -------------------------------- 7  
Day ---------------------------------- 7  
Program ----------------------------- 7  
System and Thermostat Diagnosis 14  
Temporary Program Override------ 15  
Thermostat Startup After Total  
Activate RUN PRG by Telephone 13  
Adjustable Temperature Display -- 11  
Air Filter Change-out Indicator---- 14  
Arm Chair Programming ----------- 18  
Automatic Changeover ------------- 13  
Auxiliary Run Time ----------------- 13  
Beeper ON---------------------------- 11  
COMPONENTS ---------------------- 2  
Thermostat Buttons --------------- 2  
Display ------------------------------ 3  
Compressor Run Time -------------- 13  
Compressor Short-Cycle  
FEATURES  
Configuration Menu-------------- 11  
Traditional ------------------------- 13  
Heat Fast ------------------------------ 12  
Indefinite Program Hold ------------ 16  
INTRODUCTION ------------------- 1  
Keypad Lockout --------------------- 13  
Liquid Crystal Display -------------- 18  
Operation  
Power Loss --------------- 18  
Vacation ------------------------------- 16  
Manual ------------------------------ 7  
Programmed ------------------------ 7  
Outdoor Temperature Sense-------- 12  
Program  
Entering Your ---------------------- 7  
Planning Your ---------------------- 7  
Temporary Override-------------- 15  
PROGRAMMING ------------------- 7  
Remote Temperature Sense -------- 16  
Protection ----------------- 13  
CONFIGURATION ------------------ 4  
User Menu Table ------------------ 5  
Keypad Lockout Menu Table ---- 5  
Cool Fast------------------------------ 12  
Daylight Savings Time Button----- 17  
Energy Management Recovery ---- 11  
Fan Control, One Shot -------------- 12  
Fan Control, Programmable-------- 14  
37-6065B  
0123  
20  
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