Robertshaw 9720i User Manual

Menu Driven DisplayFully Programmable24 VAC with Worry-Free Memory StorageEnglish, Spanish orFrench Display OptionTwo Year Warranty User's Manua

How do I set the Vacation Mode?Take a trip and don’t worry about the temperature! From the main screen press the HOLD TEMPbutton. The following screen

How do I program my thermostat?From the main screen press the MENU button.Use the UP or DOWN button to highlight PROGRAM. Press SELECT.You can select

12How do I program my thermostat? (continued)The time for the first event should be highlighted. Use the UP or DOWN key to change the time.Press SET T

How do I copy one day’s program to another day?In the program screen, press the DOWN button until COPY is highlighted.Use the UP or DOWN button to hig

14What is an event?An event is a programming period. This could be the period in the morning when you are preparing for work or school. It could be th

What are the USER settings?The USER SETTINGS can change the way information is displayed on the thermostat and helpto optimize comfort. It’s one way t

16Detailed Information on the USER SETTINGS (Or what do these USER SETTINGS do?)To select a USER SETTING, use the UP or DOWN button to highlight the d

More Detailed Information on the USER SETTINGSDIFFERENTIAL SETTINGSThe temperature differential is your comfort level. A lower differential means your

18More Detailed Information on the USER SETTINGSLANGUAGE SETTINGThis screen allows you to choose the displayed language; English, French, or Spanish.S

What are the INSTALLER settings?The INSTALLER SETTINGS are set up during the initial installation. They tell the thermostat how to function with your

IMPORTANT SAFETY INFORMATIONWARNING: Always turn off power at the main power source by unscrewing fuse or switching circuitbreaker to the off positio

INSTALLER settings (continued)AUXILIARY HEATThe 9720i can be set to use your 2H/2C heat pump internal auxiliary heating or to use an external add-on s

INSTALLER settings (continued)ENERGY EFFICIENT RECOVERYWhen turned on, the thermostat will look ahead two hours to determine when to turn on theheatin

22INSTALLER settings (continued)CONTACT INFORMATIONThis allows the servicing HVAC contractor to put their name and phone number into the thermostat to

When would I need to change the INSTALLER settings?NEVER! The INSTALLER SETTINGS are selected based on the type of equipment you have in your home. Th

24Where should I install a remote outdoor sensor?The remote outdoor sensor should be installed on the northern wall of your home, away from direct sun

25My energy bills are too high. Is there anything I can do?While we can’t do anything about the high cost of energy, we can try to use less energy and

26When should I change the batteries?Only the model 9700i operates with batteries. The 9701i, 9715i and 9720i operate from power provided by your HVAC

27TWO YEAR LIMITED WARRANTYThe manufacturer warrants to the original contractor installer or to the original consumer user, each newRobertshaw therm

28110-1023EClimate Controls Americas515 South Promenade AvenueCorona, CA 92879-1736United States of AmericaMade in MexicoPatents Pendingwww.about-i-se

3TABLE OF CONTENTSHow do I change the time of day and day of the week? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4How do I change the time of day and day of the week?From the main screen press MENU.Use the UP or DOWN arrows to highlight DAY/TIME. Press SELECT.Us

How do I turn on the heating or cooling cycles?From the main screen press MENU.Use the UP or DOWN arrows to highlight HEAT/COOL.Press SELECT.Use the U

How do I cycle the fan?From the main screen press MENU.Use the UP or DOWN buttons until FAN is highlighted. Press SELECT.Use the UP or DOWN buttons to

How do I temporarily change the temperature?From the main screen, press the UP or DOWN button. The screen will change to the following.Use the UP or D

8Can I set a temporary adjustment for longer than 3 hours?Yes you can! Press the HOLD TEMP button. The following screen appears.Press the DOWN button

Can I set the thermostat to hold one temperature indefinitely?You can do that too! From the main screen press the HOLD TEMP button. The following scre