9901i 9915i 9920i DELUXE PROGRAMMABLE THERMOSTATS User's Manual Menu Driven Display Integrated Damper / Economizer Control Fresh Air Control 24 VAC with Worry-Free Memory Storage English and Spanish Menus 110-1069 Two Year Warranty
IMPORTANT SAFETY INFORMATION ! WARNING: Always turn off power at the main power source by unscrewing fuse or switching circuit breaker to the off position before installing, removing, or cleaning this thermostat. Read all of the information in this manual before programming this thermostat. This is a 24V AC low-voltage thermostat. Do not install on voltages higher than 30V AC. All wiring must conform to local and national building and electrical codes and ordinances.
4 Changing the Time of Day MONDAY Turning on Heating and Cooling Cycles MONDAY 3:29 PM 78.1 COOL FAN AUTO HOLD TEMP MENU From the main screen press MENU. SET AT 78 MENU Use the UP or DOWN arrows to highlight DAY/TIME. Press SELECT. DAY / TIME FAN USER SETTINGS INSTALLER SETTINGS HOME 3:29 PM 78.1 COOL FAN AUTO HOLD TEMP MENU From the main screen press MENU. SET AT 78 MENU PROGRAM Use the UP or DOWN arrows to highlight HEAT/COOL. Press SELECT.
6 What do the LED’s below the display mean? The LED’s indicate when the HVAC system is activated. With a call for heating or cooling, the HEAT or COOL LED will be illuminated. The AUX LED indicates the second stage of heating or cooling. The CHECK LED is used only on the 9920i. It indicates the heat pump should be serviced by a qualified technician. Fan Cycles MONDAY 3:29 PM 78.1 COOL FAN AUTO HOLD TEMP MENU From the main screen press MENU.
8 Temporary Temperature Adjustments MONDAY Timed Temperature Adjustments MONDAY 3:29 PM 78.1 COOL FAN AUTO HOLD TEMP MENU SET AT 78 From the main screen, press the UP or DOWN button. The screen will change to the following. 3:29 PM 78.1 COOL FAN AUTO HOLD TEMP MENU Press the HOLD TEMP button. The following screen appears. SET AT 78 HOLD SETTINGS Use the UP or DOWN button to adjust to the desired temperature.
10 Permanent Hold MONDAY Vacation Hold 3:29 PM MONDAY 78.1 COOL FAN AUTO HOLD TEMP MENU From the main screen press the HOLD TEMP button. The following screen appears. SET AT 78 HOLD SETTINGS The PERMANENT HOLD feature should be highlighted. If it is not, use the UP or DOWN arrow to highlight it. Press SELECT. PERMANENT HOLD TEMPORARY HOLD SELECT HOME 70 ˚ HOLD MENU SET TEMP COOL FAN AUTO HOLD TEMP MENU From the main screen press the HOLD TEMP button. The following screen appears.
12 Programming MONDAY Programming (Con’t.) 3:29 PM MONDAY PROGRAM 78.1 COOL FAN AUTO HOLD TEMP MENU SET AT 78 OCC 08:30A UNOCC 06:00P COPY From the main screen press the MENU button. BACK MENU PROGRAM Use the UP or DOWN button to highlight PROGRAM. Press SELECT. HEAT / COOL FRESH AIR DAY / TIME HOME SELECT SELECT PROGRAM DAYS MON TO SUN MON TO FRI SAT TO SUN MONDAY MAIN MENU SELECT You can select a variety of programming. Make your selection and press SELECT.
14 Copy Command Events MONDAY PROGRAM OCC 08:30A UNOCC 06:00P COPY HEAT 72.0 62.0 An event is a programming period. This could be the period in the morning when the facility is occupied. It could be the period when no one is at work. It could be the evening. COOL 78.0 82.0 In the program screen, press the DOWN button until COPY is highlighted. Press SELECT. The time for an event is selected based on when you want the event to occur.
16 Setting the Economizer / Damper Program The thermostat can be set to open or close a damper or economizer at different times during the day. To program this setting, select FRESH AIR from the main menu and press SELECT. MAIN MENU HEAT / COOL DAY / TIME FAN FRESH AIR HOME User Settings FRESH AIR MENU SELECT Select PROGRAM. Press SELECT. MONDAY 3:29 PM 78.
18 Detailed Information on the USER SETTINGS To select a USER SETTING, use the UP or DOWN button to highlight the desired value. Press SELECT to select desired value. TEMPERATURE TEMPERATURE: Fahrenheit or Celsius Temperature will be displayed in F or C. ˚F ˚C More Detailed Information on the USER SETTINGS DIFFERENTIAL SETTING 1ST DIFF 2ND DIFF 2ND DELAY USER MENU USER MENU 1˚F 2˚F 20 MIN SELECT SELECT DIFFERENTIAL SETTINGS The temperature differential is your comfort level.
20 INSTALLER Settings More Detailed Information on the USER SETTINGS SENSOR SETTINGS USE LOCAL SENSOR AVG. LOCAL / REMOTE USE REMOTE SENSOR USER MENU SELECT SECURITY CHANGE TEMP. ONLY PREVENT ALL CHANGES USER MENU SENSOR SETTINGS This screen will appear when a remote indoor sensor (9020i) is connected to the thermostat. USE LOCAL SENSOR will disable the remote sensor and only sense from the thermostat. AVG.
22 INSTALLER settings (continued) AUXILIARY HEAT STANDARD - COMP. =ON ADD ON - COMP. =OFF INSTALL MENU SELECT AUXILIARY HEAT The 9920i can be set to use your 2H/2C heat pump internal auxiliary heating or to use an external add-on source. The add-on feature will be used most often when a single stage heat pump uses a gas or electric furnace as its second stage of heating.
24 SERVICE MONITOR MENU COOL MONITOR 980 HEAT MONITOR 980 FILTER MONITOR 980 REMINDER PERIOD RUN TIME CALENDAR TIME SELECT INSTALL MENU TEMPERATURE OFFSET +3.0 ˚F REMINDER INTERVAL The Reminder Interval can be set for either HVAC system run time or based on the calendar. If Run Time is chosen, the service reminder will be set in hours. After the HVAC system has been operating for the selected number of hours, a Service Reminder will be displayed informing you that service is suggested for your system.
26 Additional Information For additional troubleshooting information, visit our web site at www.about-i-series.com. To talk with a service representative, give us a call at 800-445-8299. Power Outage Protection The thermostat automatically retains the time of day for approximately two hours in the event of a power outage. All other programmed parameters are stored permanently in memory. So, if the power is out for more than two hours, simply reset the clock. See page 4.
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