Carrier 33CS2PPRH 01 Thermostat User Manual

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®
EDGE Pro  
3CS  
Commercial Thermostat  
3
Owner’s Manual  
Part Numbers 33CS2PPRH-01 and 33CS2PP2S-01  
SAFETY CONSIDERATIONS  
programming option (indicates which settings are being  
adjusted)  
Read and follow manufacturer instructions carefully. Fol-  
low all local electrical codes during installation. All wiring  
must conform to local and national electrical codes. Improper  
wiring or installation may damage thermostat.  
system is in auxiliary (supplemental) mode  
cooling set point  
heating set point  
year  
Recognize safety information. This is the safety alert sym-  
holiday schedule return date  
bol  
. When the safety alert symbol is present on equipment  
day  
or in the instruction manual, be alert to the potential for person-  
al injury.  
length of time for temporary temperature hold (override)  
month  
Understand the signal words DANGER, WARNING, and  
CAUTION. These words are used with the safety alert symbol.  
DANGER identifies the most serious hazards which will result  
in severe personal injury or death. WARNING signifies a haz-  
ard which could result in personal injury or death. CAUTION  
is used to identify unsafe practices which would result in minor  
personal injury or property damage.  
outdoor temperature  
leaving air temperature  
time period start  
period of the day  
Thermostat Front Panel Buttons — The thermo-  
stat has buttons under the front cover which are used for vari-  
ous functions such as raising or lowering the desired set point  
and changing the current mode. See Fig. 2.  
SET BUTTON — This button enters the thermostat program-  
ming schedule and allows the user to adjust the clock and  
change the calendar.  
SCHEDULE BUTTON — This button allows the user to  
choose to follow a schedule, hold the current set points, or go  
into holiday mode.  
OCCUPIED BUTTON — This button temporarily changes  
the thermostat from Unoccupied to Occupied settings.  
MODE BUTTON — This button selects whether the thermo-  
stat is set for heating, cooling, emergency heat, auto (heat and  
cool as needed), or off modes.  
DONE BUTTON — This button saves the settings when  
completing a setup or programming step.  
GENERAL  
The Edge Pro thermostat by Carrier is a wall-mounted, low-  
voltage control which combines temperature and humidity  
control in either a single or two-piece unit. The Edge Pro ther-  
mostat can be set for 7-day, 5/2-day, or 1-day programmable  
operation. Different heating and cooling set points and times  
are programmable for 2 or 4 periods per day. The thermostat  
can also be configured for non-programmable operation. When  
operating as a non-programmable thermostat, the user will still  
have both temperature and humidity control.  
The Edge Pro thermostat has no need for batteries to store  
user-configured settings in memory. During power loss its in-  
ternal memory saves settings for unlimited time, and the clock  
continues to run for at least 24 hours. An extension of Carrier’s  
proven line of thermostats, the Edge Pro thermostat provides  
separate set points for heating and cooling in addition to hu-  
midification and dehumidification.  
a33-9188  
OPERATION  
Thermostat Display — The thermostat display is locat-  
ed in the center of the thermostat. See Fig. 1. The following  
information can be displayed on the screen:  
holiday  
day of the week  
programming option (indicates which settings are being  
adjusted)  
holiday  
filter and UV lamp service reminders  
current temperature  
current program routine (follow scheduled program-  
ming, hold current settings, or run holiday program)  
fan mode (on, auto)  
occ  
occ2  
a
occ3  
unocc  
current system mode (heating, cooling, emergency heat,  
heat/cool (auto), off)  
humidify or dehumidify settings  
Fahrenheit or Celsius display  
advanced programming indicators  
keypad locked or unlocked  
Fig. 1 — Thermostat Display  
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.  
Catalog No. 04-53330011-01 Printed in U.S.A. Form 33CS-20SO Pg 1 7-08 Replaces: New  
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right corner on the screen, depending on the mode the system is  
in. If it is the first time the thermostat is being used, the “heat”  
indicator will be displayed. The preprogrammed heating or  
cooling temperatures are displayed in a box at the bottom of the  
screen. Change the displayed temperature set point by pressing  
the up or down buttons until the desired setting is reached.  
occupied  
holiday  
To change other temperature set points, press the mode but-  
ton. The arrow will move to the next mode and the screen will  
show the related temperature set point in a box. Then press the  
up or down buttons to change the displayed set point.  
holiday  
occ  
When there are arrow indicators next to both of the heat and  
cool indicators, the heating and cooling set points are both dis-  
played at the bottom of the screen. The user can change either  
one by pressing the soft button underneath the set point to be  
changed. Press the up or down buttons to adjust the tempera-  
ture. Repeat the process for the other set points if necessary.  
Press the done button when finished.  
The thermostat will hold these changes for two hours or un-  
til the next programmed cycle begins. The words “temporary  
hold” will be displayed while this is in effect. To change the  
amount of time that the temperature is on hold, press the soft  
button under the hold hours or minutes indicators. Then press  
the up or down buttons to adjust the time hold time. Close the  
door when done.  
occ2  
occ3  
a
unocc  
soft keys  
a33-9189  
Fig. 2 — Thermostat Front Panel Buttons  
UP BUTTON — This button is used to increment the current-  
ly chosen value (temperature, clock, calendar, etc.).  
DOWN BUTTON — This button is used to decrement the  
currently chosen value (temperature, clock, calendar, etc.).  
Holding Temperature Set Points — The user can  
override the programmed temperature settings and hold the  
temperature at a specific setting without the temperature  
changing during the next programmed period. To override the  
temperatures, perform the following:  
SOFT” BUTTON — There are 6 soft buttons (or keys). The  
soft buttons are used to select the onscreen indicator directly  
above that specific button. These indicators can change based  
on the actions of the user.  
1. Open the door.  
Set Time and Date — The user must set the time and  
date before the thermostat’s programming features can be used.  
Perform the following procedure:  
2. Press the schedule button. The arrow will move to the  
hold indicator.  
3
. The screen will display the set point temperature. To  
change the set point temperature, press the up or down  
buttons. The temperature will stay at the new setting until  
it is released from the hold.  
1. Open the thermostat front panel door.  
2
. Press the set button. The screen will show the word  
clock” on the left of the display and the time will be  
shown on the bottom. Press the set button again.  
4. To change the heating set point when the cooling set  
points are displayed (and vice versa), press the mode but-  
ton until the arrow moves to the desired mode. Press the  
up or down buttons to change the set point.  
3
4
5
6
7
8
9
. To set the correct hour, press the soft button underneath  
the hour indicator, and then press the up or down buttons  
to adjust the value.  
. To set the correct minutes, press the soft button under-  
neath the minutes indicator, and then press the up or  
down buttons to adjust the value.  
. To set the correct date, press the set button until the screen  
displays the word “calendar” and the date is shown on the  
bottom of the screen.  
. To set the correct month, press the soft button underneath  
the letter M (month), and then press the up or down but-  
tons to adjust the value.  
. To set the correct day of the month, press the soft button  
underneath the letter D (day), and then press the up or  
down buttons to adjust the value.  
. To set the correct year, press the soft button underneath  
the letter Y (year), and then press the up or down buttons  
to adjust the value.  
5
. To return the temperature to the preset level for that time  
period, press the schedule button until the arrow moves to  
the following schedule indicator.  
6. Close the door.  
Programming Schedules — Unlike many other  
thermostats, the Edge Pro thermostat gives the user the option  
of programming every day of the week differently. The ther-  
mostat is preprogrammed at the factory with the same settings  
for all seven days. See Table 1.  
Table 1 — Schedule Factory Settings  
START  
TIME  
HEAT SET  
POINT  
COOL SET  
POINT  
PERIOD  
Occ  
Occ2  
Occ3  
Unocc  
6 AM  
8 AM  
3 PM  
6 PM  
68  
68  
68  
60  
78  
78  
78  
85  
. Press the done button to finish.  
1
0. Close the thermostat door.  
To set up a different schedule where all the days are the  
same, perform the following:  
1. Open the thermostat door.  
Setting or Changing Heating and Cooling Set  
®
Points — The Edge Pro thermostat is installed with preset  
heating and cooling temperature settings. The user can use  
these settings or change them. The user can also temporarily  
change the temperature from the programmed set points.  
2
. Press the set button until the screen displays “daily sched-  
ule” in the center of the screen. The list of the days of the  
week are displayed on the left. The arrows next to each  
day indicate that all seven days will be programmed the  
same way.  
To temporarily hold the temperature for two hours, perform  
the following. Open the front thermostat door. An arrow will be  
displayed next to the words “off,” “heat,” or “cool” in the upper  
2
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3
4
5
6
. The arrow will be pointing to “occ” on the screen. To set  
the occ period start time, press the soft button under the  
hour or minute indictor and then press the up or down  
buttons to change the time.  
. Set the heating temperature set point for that time period  
by pressing the soft button under the heat set point tem-  
perature. Press the up or down buttons until the desired  
heating temperature is shown.  
. Set the cooling temperature set point for that time period  
by pressing the soft button under the cool set point tem-  
perature. Press the up or down buttons until the desired  
cooling temperature is shown.  
. Repeat this process for each of the three remaining time  
periods (occ2, occ3, and unocc) by first pressing the soft  
button under the time period to select it with the arrow.  
Then use the soft keys to change the start time, the heat-  
ing set point, and the cooling set point.  
Then use the soft keys to change the start time, the heat-  
ing set point, and the cooling set point.  
. Press the soft button under the days of the week until the  
arrow is pointing to the next day that will be pro-  
grammed.  
9
1
1
0. Repeat Steps 5 to 8 to program the current day.  
1. Repeat this process until all the days have been pro-  
grammed.  
1
2. Press the done button when complete.  
13. Close the thermostat door.  
Programming a Holiday Schedule — The user  
can program a special heating and cooling schedule to follow  
during holidays or extended absences. To program the holiday  
schedule, perform the following:  
1
2
. Open the thermostat door.  
. Press the set button until the screen displays the holiday  
settings.  
. Set the heating temperature set point for the holiday by  
pressing the soft button under the heat set point tempera-  
ture. Press the up or down buttons until the desired heat-  
ing temperature is shown.  
. Set the cooling temperature set point for the holiday by  
pressing the soft button under the cool set point tempera-  
ture. Press the up or down buttons until the desired cool-  
ing temperature is shown.  
5. Set the humidity set point for the holiday by pressing the  
soft button under the humidify icon. Press the up or down  
buttons until the desired humidity is shown.  
NOTE: A humidify icon will only be shown for  
33CS2PPRH thermostats.  
. Set the mode for the thermostat during the holiday by  
pressing the mode button. Press the mode button until the  
arrow is pointing to the desired mode.  
7
8
. Press the done button when complete.  
. Close the thermostat door.  
3
To set up a schedule where all days of the week will not fol-  
low the same schedule, perform the following:  
1
. Fill in Table 2 with the desired times and set points for  
each day. Use this table as a guide during programming  
and for future reference.  
4
2. Open the thermostat door.  
3
. Press the set button until the screen displays “daily sched-  
ule” in the center of the screen. The list of the days of the  
week are displayed on the left.  
4
5
6
7
8
. There will be arrows next to each day. This indicates that  
all seven days will be programmed the same way. Press  
the soft button under the days of the week until the arrow  
is next to the day that will be programmed.  
. The arrow will be pointing to “occ” on the screen. To set  
the occ period start time, press the soft button under the  
hour or minute indicator and then press the up or down  
buttons to change the time.  
. Set the heating temperature set point for that time period  
by pressing the soft button under the heat set point tem-  
perature. Press the up or down buttons until the desired  
heating temperature is shown.  
. Set the cooling temperature set point for that time period  
by pressing the soft button under the cool set point tem-  
perature. Press the up or down buttons until the desired  
cooling temperature is shown.  
6
7
8
. Press the done button when complete.  
. Close the thermostat door.  
Activating the Holiday Program — The user must  
schedule a return date to activate the holiday settings before  
leaving. The thermostat will begin following the holiday  
schedule after the return date has been selected. On 12:00 AM  
of the return date, the thermostat will automatically switch to  
the programmed schedule.  
To activate the holiday program, perform the following:  
1. Press the schedule button until the arrow is next to “holi-  
day.”  
. Repeat this process for each of the three remaining time  
periods (occ2, occ3, and unocc) by first pressing the soft  
button under the time period to select it with the arrow.  
2
. The next day’s date will be displayed at the bottom of the  
screen under the words “return on.” There will be a box  
Table 2 — Daily Schedule Planner  
SCHEDULE  
DAY  
OF THE  
WEEK  
Occ  
Occ2  
Occ3  
Start Time / Heat / Cool  
Unocc  
Start Time / Heat / Cool  
Start Time / Heat / Cool  
Start Time / Heat / Cool  
Monday  
Tuesday  
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
/
Wednesday  
Thursday  
Friday  
Saturday  
Sunday  
NOTE: The cooling temperature set point must be higher than the heating temperature set point. (The temperature difference may be changed in  
the advanced set up configuration by the installer.)  
3
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around the date. To set the date (D), press the up button  
and stop on the desired date.  
. If the month (M) needs to be changed, press the soft but-  
ton under the month on the screen. The selection box will  
move to the month number. Press the up button to set the  
desired month.  
. Repeat this process to change the year (Y), if necessary.  
. Press the done button. This will instruct the thermostat to  
begin the Holiday schedule immediately.  
condensation on the windows, select a number lower than  
5. If there seems to be a lot of static electricity, which of-  
ten means the air is too dry, select a number higher than 5.  
3
5. Close the thermostat door.  
To turn off the humidify or dehumidify feature open the  
thermostat door. Press the soft button under the humidify or de-  
humidify icons. Then press the mode button until the screen  
displays OF. Close the themostat door.  
4
5
Using Emergency Heat — Emergency heat should be  
selected when it is desirable to heat the space with the auxiliary  
heat only.  
To set the thermostat to use emergency heat, open the ther-  
mostat door. Press the mode button repeatedly until the arrow  
under the button moves to the Em heat indicator on the screen.  
Close the thermostat door.  
6
. Close the thermostat door.  
Turning the Heating and Cooling System Off  
To use the thermostat to turn the heating and cooling sys-  
tem off, perform the following:  
1
2
. Open the thermostat door.  
. Press the mode button until the display shows “off” in the  
upper left corner.  
Advanced Programming — The user can customize  
several features of the thermostat. See Table 3.  
3
. Close the thermostat door.  
Table 3 — Configuration Options  
Changing the Humidity Level — The thermostats  
OPTION  
NUMBER  
offer three humidity options: normal, auto, and off.  
CONFIGURATION  
The thermostat is set at the factory for “normal humidify,”  
which is a fixed humidity setting based on how much humidity  
the user wants in the space. This humidity level remains con-  
stant, regardless of the outdoor temperature. The user can man-  
ually adjust the humidity level according to their own prefer-  
ences.  
The second option, “auto humidify,” uses an outdoor tem-  
perature sensor (if installed) to automatically adjust the indoor  
humidity level according to the outside temperature.  
01  
Reset Reminders  
Fahrenheit/Centigrade Selection  
Backlighting  
0
0
0
0
0
0
0
2
3
4
5
6
7
8
Keypad Lockout  
Programmable/Nonprogrammable Selection  
Number of Programming Periods  
Unused  
Daylight Savings Time  
The third option is to turn off the humidify/dehumidify  
feature.  
To change the fixed (constant) humidity setting for normal  
humidify, perform the following procedure:  
RESET REMINDERS — The thermostat will display when  
it is time to change the UV (ultraviolet) light, change the filter,  
or perform scheduled maintenance to the equipment. When the  
reminder icons are displayed on the screen, pressing and hold-  
ing the done button for about 3 seconds will clear all reminders.  
This might not be the best option when multiple reminders are  
shown.  
1. Open the thermostat door.  
2
. The “humidify” icon will be displayed at the bottom of  
the screen when the operating mode is heat. The “dehu-  
midify” will be displayed when the operating mode is  
cool.  
The reminders can also be reset individually. To reset indi-  
vidual reminders, perform the following:  
3
. Press the soft button under the humidify or dehumidify  
icons. The screen will display the current setting.  
1. Open the thermostat door.  
2
. Press and hold the buttons underneath the heat and cool  
set points simultaneously. The screen will display “01”  
and up to three reset reminders (as have enabled by the  
installer). One of the reminders will flash. The display  
will show the percentage of time used by that reminder  
item.  
NOTE: A humidify icon will only be shown for  
33CS2PPRH thermostats.  
4
. Press the up or down buttons to change the humidity set-  
ting. It is factory set at 26% for humidify and 60% for de-  
humidify. If there is too much condensation in the space,  
set the value to a lower number. If the air is too dry, set the  
value to a higher number. Humidity can be set to between  
3. Repeatedly press the set button until the reminder to be  
cleared flashes.  
1
0% and 46%. The dehumidify range is from 46% to  
8%.  
4
. Press and hold the done button for about 3 seconds to re-  
move the reminder. The percentage associated with the  
reminder will be reset to zero.  
9
5. Close the thermostat door.  
To change the humidity setting for auto humidify, perform  
the following procedure:  
5. Press the done button again.  
. Close the thermostat door.  
FAHRENHEIT OR CELSIUS DISPLAY — The thermostat  
is preset to display the temperature in degrees Fahrenheit. The  
user can change the display to Celsius if desired. To change the  
display, perform the following:  
6
1. Open the thermostat door.  
2
. The “humidify” icon will be displayed at the bottom of  
the screen. Press the soft button under the humidify icon.  
The screen will display the current setting.  
NOTE: A humidify icon will only be shown for  
1. Open the thermostat door.  
3
3CS2PPRH thermostats.  
2
. Press and hold the buttons underneath the heat and cool  
set points simultaneously. The screen will display “01”  
and up to three reset reminders.  
3
. Press the mode button. An auto icon will appear at the top  
of the screen. The current humidity reading and the auto  
humidify set point will also be shown. The default auto  
humidify set point is 5.  
. Press the up or down button to change the auto humidify  
setting number (1 through 9). If there is too much  
3
. Press the up arrow button until 01 changes to 02. The F  
(
Fahrenheit) will also be displayed.  
4
4. Press the soft button under the F icon until C (Celsius)  
appears.  
4
5
. Press the done button.  
To switch thermostat operation, perform the following:  
1. Open the thermostat door.  
6. Close the thermostat door.  
BACKLIGHTING — The thermostat may feature a low level  
amount of backlighting until a button is pressed, which increas-  
es the lighting temporarily. The user can adjust the intensity of  
the backlighting or turn it off completely. The range is off (OF),  
and 1 to 5 levels of brightness. To change the backlighting lev-  
el, perform the following:  
2. Press and hold the buttons underneath the heat and cool  
set points simultaneously. The screen will display “01”  
and up to three reset reminders.  
3. Press the up arrow button until 01 changes to 05. The P  
icon (the default setting) will be displayed next to it.  
4
. Press the rightmost soft button and then press the up ar-  
row button until the desired operation is shown. P stands  
for programmable and nP stands for non-programmable.  
1. Open the thermostat door.  
2
. Press and hold the buttons underneath the heat and cool  
set points simultaneously. The screen will display “01”  
and up to three reset reminders.  
5. Press the done button.  
6. Close the thermostat door.  
3
. Press the up arrow button until 01 changes to 03. The  
number 3 (the default backlight setting) will be displayed  
next to it.  
NUMBER OF PROGRAMMING PERIODS — The ther-  
mostat is preset with four programmable time periods. This can  
be changed to two. To change the number of time periods, per-  
form the following procedure:  
4
. To increase the backlight level, press the rightmost soft  
button and then press the up arrow button until 4 or 5 ap-  
pears. To decrease the backlight level, press the rightmost  
lower button and then press the down arrow button until 2  
or 1 is shown. Change the setting to OF to completely re-  
move backlighting.  
1. Open the thermostat door.  
2. Press and hold the buttons underneath the heat and cool  
set points simultaneously. The screen will display “01”  
and up to three reset reminders.  
5
. Press the done button.  
3. Press the up arrow button until 01 changes to 06. The  
number 4 (the default setting) will be displayed next to it.  
6. Close the thermostat door.  
4
. Press the rightmost soft button and then press the up ar-  
row button until the desired number of time periods is  
shown.  
KEYPAD LOCKOUT — The keypad lockout feature lets the  
user “lock” the thermostat at one of three levels. these levels in-  
creasingly limit any one using the thermostat’s ability to make  
changes. The levels are:  
5. Press the done button.  
OF — the feature is turned off  
6. Close the thermostat door.  
1 — a user can change the temperature settings, the time  
of day, and the day of the week only  
2 — a user can change the temperature settings only  
3 — the entire thermostat is locked, no changes can be  
made  
DAYLIGHT SAVINGS TIME — The thermostat will auto-  
matically change the clock according to daylight savings time  
procedures twice a year. Some areas do not use daylight sav-  
ings time. To turn off the daylight savings time feature, perform  
the following procedure:  
Perform the following to set the lockout level of the  
1
. Open the thermostat door.  
thermostat:  
2
. Press and hold the buttons underneath the heat and cool  
set points simultaneously. The screen will display “01”  
and up to three reset reminders.  
1. Open the thermostat door.  
2
. Press and hold the buttons underneath the heat and cool  
set points simultaneously. The screen will display “01”  
and up to three reset reminders.  
3. Press the up arrow button until 01 changes to 08. The ON  
icon (the default setting) will be displayed next to it.  
3
. Press the up arrow button until 01 changes to 04. The OF  
icon (the default lockout setting) will be displayed next to  
it.  
4
. Press the rightmost soft button and then press the up ar-  
row button until the desired number setting (OF) is  
shown.  
4
. Press the rightmost soft button and then press the up ar-  
row button until the desired lockout level is shown. A  
padlock icon will be shown if options 1 through 3 are  
chosen.  
5
. Press the done button.  
6. Close the thermostat door.  
Service Reminders — The thermostat tells the user  
when it is time to change the UV light, change the filter, or per-  
form scheduled maintenance. Each reminder will be displayed  
on the upper left of the screen. For important safety reasons, do  
not change a UV light; ask your dealer to replace the UV light.  
To remove the reminder after the service has been performed,  
press and hold the done button for about 3 seconds.  
5. Press the done button.  
6. Close the thermostat door.  
To temporarily unlock the keypad, open the thermostat door.  
Press and hold the up and down buttons simultaneously for  
about 5 seconds. The padlock icon will disappear. This means  
the keypad is unlocked and can be used. The keypad will revert  
back to the locked state after no buttons are pushed for 2 min-  
utes. Close the door.  
Outdoor Temperature Display — The thermostat  
automatically displays the outdoor temperature when the ther-  
mostat door is closed.  
PROGRAMMABLE / NONPROGRAMMABLE SET-  
TING — It is possible to convert the thermostat operation  
from programmable to nonprogrammable. This eliminates the  
advanced features. When switching to the nonprogrammable  
format, the programming, hold, holiday and Smart Recovery  
features are lost. Switching to nonprogrammable operation also  
means that some of the thermostat’s energy saving features are  
lost. The time of day and day of the week will still show on the  
display and the user will still be able to increase or decrease the  
temperature settings manually.  
Auto Changeover — The thermostat displays one of  
five modes: heat, cool, Em heat (heat pump version only), heat  
cool (auto mode) and off. When the mode selection is auto  
mode, the system is allowed to switch from heating to cooling  
or from cooling to heating to maintain the temperature set  
points.  
Smart Recovery — The Smart Recovery feature transi-  
tions the space from one temperature period (occ, occ2, occ3,  
unocc) to the next so that the space temperature matches the  
temperature set point at the start of each time period. This  
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means, for example, that if the unocc period temperature set-  
ting is lower than the period that precedes it, then the thermo-  
stat will start cooling down the space before the beginning of  
the scheduled unocc period. The thermostat does this at an en-  
ergy efficient rate. This not only helps make the space as com-  
fortable as possible, it also makes thermostat usage more cost  
effective.  
Table 4 — Thermostat Error Code Descriptions  
ERROR  
CODE  
DESCRIPTION  
The system is not communicating properly. Call the  
local Carrier representative for service  
E1  
The temperature sensor has failed. Call the local  
Carrier representative for service  
E3  
There is an internal memory failure. Call the local  
Carrier representative for service  
E4  
Power Outage — If the building loses electricity, the  
thermostat will not need to be reprogrammed. The settings are  
retained in memory.  
The humidity sensor is not working. Call the local  
Carrier representative for service  
E5  
TROUBLESHOOTING  
There are system error messages that may appear on the  
thermostat screen. See Table 4 for a list the possible system er-  
ror messages and what they mean.  
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Copyright 2008 Carrier Corporation  
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.  
Catalog No. 04-53330011-01  
Printed in U.S.A.  
Form 33CS-20SO  
Pg 8  
7-08  
Replaces: New  

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