Robertshaw 9901i User Manual

Menu Driven DisplayIntegrated Damper /Economizer Control24 VAC with Worry-Free Memory StorageEnglish and Spanish MenusTwo Year Warranty User's Ma

Permanent HoldFrom the main screen press the HOLD TEMP button. The following screen appears.The PERMANENT HOLD feature should be highlighted. If it is

Vacation HoldFrom the main screen press the HOLD TEMP button. The following screen appears.Use the UP or DOWN arrow to highlight the VACATION HOLD fea

ProgrammingFrom the main screen press the MENU button.Use the UP or DOWN button to highlight PROGRAM. Press SELECT.You can select a variety of program

Programming (Con’t.)The time for the first event should be highlighted. Use the UP or DOWN key to change the time.Press SET TIME.The heating setpoint

Copy CommandIn the program screen, press the DOWN button until COPY is highlighted.Press SELECT.NOTE: Copy command will appear only if programming an

15EventsAn event is a programming period. This could be the period in the morning when the facility is occupied. It could be the period whenno one is

Setting the Economizer / Damper ProgramThe thermostat can be set to open or close a damper or economizer at different times during the day. Toprogram

User SettingsThe USER SETTINGS can change the way information is displayed on the thermostat and helpto optimize comfort. It’s one way to truly person

18Detailed Information on the USER SETTINGSTo select a USER SETTING, use the UP or DOWN button to highlight the desired value. Press SELECT to select

More Detailed Information on the USER SETTINGSDIFFERENTIAL SETTINGSThe temperature differential is your comfort level. The differential is the differe

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

20More Detailed Information on the USER SETTINGSLANGUAGE SETTINGThis screen allows you to choose the displayed language; English or Spanish.SECURITY S

INSTALLER SETTINGSThe INSTALLER SETTINGS are set during the initial installation. They tell the thermostat how to function with your heating or coolin

INSTALLER SETTINGS (continued)AUXILIARY HEATThe 9920i can be set to use your 2H/2C heat pump internal auxiliary heating or to use an exter-nal add-on

INSTALLER SETTINGS (continued)ENERGY EFFICIENT RECOVERYWhen turned on, the thermostat will look up to two hours before the next event and anticipate w

INSTALLER SETTINGS (continued)SERVICE MONITOR MENUTwo menus are available for the 9920i, the System Monitor and the Filter Monitor. Three menus areava

Changing INSTALLER SETTINGSThe INSTALLER SETTINGS are selected based on the type of equipment you have in your facility. This feature should be set on

26Additional InformationFor additional troubleshooting information, visit our web site at www.about-i-series.com. To talk with a service representativ

27TWO YEAR LIMITED WARRANTYThe manufacturer warrants to the original contractor installer or to the original consumer user, each new Robertshaw ther

28110-1069BControls Americas515 Promenade AvenueCorona CA 92879-1736United States of AmericaMade in MexicoPatents Pendingwww.about-i-series.com110-10

TABLE OF CONTENTSChanging the Time of Day . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4Changing the Time of DayFrom the main screen press MENU.Use the UP or DOWN arrows to highlight DAY/TIME. Press SELECT.Use the UP or DOWN arrow to hi

Turning on Heating and Cooling CyclesFrom the main screen press MENU.Use the UP or DOWN arrows to highlight HEAT/COOL.Press SELECT.Use the UP or DOWN

6What do the LED’s below the display mean?When the LED’s are on...HEAT – The heating cycle has been activated.FAN – The fan has been activated.COOL –

Fan CyclesFrom the main screen press MENU.Use the UP or DOWN buttons until FAN is highlighted. Press SELECT.Use the UP or DOWN buttons to highlight FA

Temporary Temperature AdjustmentsFrom the main screen, press the UP or DOWN button. The screen will change to the following.Use the UP or DOWN button

9Timed Temperature AdjustmentsPress the HOLD TEMP button. The following screen appears.Press the DOWN button to highlight TEMPORARY HOLD. Press SELECT