Rheem Comfort Control User Manual
RECORD OF THERMOSTAT OPTIONS SELECTED
OVERVIEWQUICK STARTUSAGE GUIDESETUPPROGRAMMINGDIAGNOSTICS
MANUAL 37-6940A
0830
For your quick reference, below are the options selected by your installing dealer
to optimize your equipment settings and your personal home comfort preferences.
(Contractor to fill in value or check box. N/A = Not Applicable for your equipment or application.)
Factory
Thermostat Options Configuration Menu Setting
On-Demand Dehumidification: Set RH ________% (Relative Humidity) OFF
Continuous Fan Speed: High Medium Low (Fan-On Setting) Medium
Program Days Per Week: 7 Program Days
0/Non-Programmable 7
Continuous Backlight: On Off On
Energy Management Recovery: On Off On
Temperature Offset: _____ (0, 1, 2, 3, 4, 5°) Hi (+) Lo (-) 0°
Temperature Display: °F °C (Fahrenheit/Celsius) °F
Beeper: On Off (Touch Key Input Confirmation) On
Air Filter Maintenance: _____ Hours (System Runtime) Off
UV Lamp Maintenance: _____ Days Off
Humidifier Pad Maintenance: _____ Hours (Continuous Clock) Off
If you need help adjusting the programmed time or temperatures
in your thermostat, please call Homeowner Help Line at 800-284-2925
For All Other Service, Please Call:
Rheem Installing Dealer: ______________________________________________
Phone: ______________________________________________
Date Installed: ______________________________________________
DIAGNOSTICSWORD TO HOMEOWNER
You are now in command of the most sophisticated and easy to use home comfort system
available today. Your Rheem Comfort Control2 System™ with Serial Communicating
Technology will provide you and your family improved comfort, optimal energy
efficiency, and enhanced reliability and performance. Your Comfort Control2 System
Touchscreen Thermostat constantly communicates with your indoor and outdoor
heating and cooling components to reliably and efficiently provide you with the utmost in
home comfort and peace of mind. This system is so smart it even lets you know at the
thermostat when a service call is needed to protect your heating and cooling investment.
Now you can relax in total comfort in your home. Please read on to learn more about
your new Rheem Comfort Control2 System.
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Introduction to Rheem Comfort Control
The Rheem Comfort Control2 System with Serial Communicating Technology consists of your
indoor furnace or air handler, your outdoor air conditioning condensing unit or heat pump, and
your touchscreen thermostat. These devices are linked together and communicate with each
other over a network. The features of the Rheem Comfort Control2 System are
auto-configuration of the system, the ability to share information throughout the home comfort
system network and superior temperature control. These features ensure simple, reliable
operation for you and installation for peak performance by your Rheem Dealer.
System
Diagnostics (Fault) Screen
The system continuously monitors
itself for optimum performance. If it
senses a fault developing, the
touchscreen thermostat Home
Screen Display will indicate
“Call for Service” and CHECK
(Equipment Name) in the scrolling
message area to identify an
equipment fault. When this is
present contact your qualified
service technician.
If a serious fault is detected in any
of the system components, the
system will shut itself down and
indicate a “Call for Service” is
necessary. This active protection is
a safeguard for your heating and
cooling investment.
The Fault Screen and the “Call for
Service” clears itself when faults
have been corrected.
Reset Operation
If a voltage spike or a static discharge blanks out the display or causes erratic operation,
you can reset the thermostat.
To reset the thermostat, touch and and the SYSTEM keys at the same time.
The thermostat will go blank and then all segments will be displayed momentarily.
Note: When the thermostat is reset, the Thermostat Options Configuration Menu
settings, time and programming schedule will reset to the factory settings. Refer to the
customized settings for your thermostat and system on the back cover of this book. Use
this Guide to put Menu options back as they were before the thermostat Reset. For your
convenience, Factory Settings are as shown.
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DIAGNOSTICS
OVERVIEW QUICK START USAGE GUIDE SETUP PROGRAMMING
Programmable Fan
The indoor fan/blower can be selected
to turn on and off with the cycle of the
system or to run for the entire period
whether the system is on or off. In the Set
Schedule mode, the FAN key is used to
select the fan operation during a program
period. The default state of the FAN key
is FAN Auto. It can be changed to FAN
Prog.
In the Run Schedule mode, during a program period that has FAN Prog sched-
uled, the fan will turn on and stay on
during the complete period. The display
will show FAN On Prog. The programma-
ble fan can be overridden by touching the
FAN key to select Auto or On.
Enter the Heating Program
1. Touch the Menu key to display additional key choices.
2. Touch the Set Schedule key. The
top of the display will show the day
being programmed. The time and Set
At temperature are also displayed.
“MORNING” will also be displayed to
indicate the period.
3. Touch SYSTEM key to select Heat in
the SYSTEM switch area indicating
the active mode being programmed.
You can change to the other mode by
touching the SYSTEM key at any time.
4. Touch
perature to your selected temperature
for the 1st heating period (Morning).
or key to change the tem-
5. Touch or key to adjust the start
time for period. The time will change in
15 minute increments.
6. Touch FAN to select Auto or Prog.
7. After you have set the time and the
temperature for the period to begin,
touch Set Schedule to advance to the
next program period.
8. Repeat steps 4 through 7 until all of
the program times and temperatures
are set for all program periods for that
day.
9. Use the Copy Key to copy the program as described previously or touch
Advance Day to change to the next
day and repeat steps 4 through 9 until
programs for all days are entered.
10.When programming is complete and
all of the times and temperatures
match your desired heating schedule,
touch Run Schedule. The thermostat
will now run your program.
Enter the Cooling Program
1. Touch the SYSTEM key until the Cool
icon appears.
2. Follow Enter Heating Program instructions for entering cooling times and
temperatures.
TABLE OF CONTENTS
TOUCHSCREEN THERMOSTAT DISPLAY OVERVIEW...... 4
QUICK START GUIDE................................ 7
Set Current Time and Day........................... 7
Choose the System Setting.......................... 8
Energy Saving Factory Pre-program................... 8
USING YOUR THERMOSTAT .......................... 9
SETTING UP YOUR THERMOSTAT OPTIONS ............. 12
PROGRAMMING YOUR THERMOSTAT .................. 16
Planning Your Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Heating and Cooling Worksheet ...................... 16
Programming Tips – Copy Program . . . . . . . . . . . . . . . . . . . 17
Enter the Heating Program .......................... 18
Enter the Cooling Program .......................... 18
Programmable Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
DIAGNOSTICS...................................... 19
Diagnostics (Fault) Screen .......................... 19
Record of Thermostat Options Selected ........ Back Cover
Service Information ........................ Back Cover
PROGRAMMING SETUP USAGE GUIDE QUICK START OVERVIEW
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