Page 2 - IMPORTANT SAFETY INFORMATION; Use this thermostat only as described in this manual.
IMPORTANT SAFETY INFORMATION WARNING: Always turn off power at the main power source by unscrewing fuse or switching circuitbreaker 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 2...
Page 3 - TABLE OF CONTENTS
TABLE OF CONTENTS How do I change the time of day and day of the week? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Page 4 How do I turn on the heating or cooling cycles? . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 4 - How do I change the time of day and day of the week?; MENU; DAY
4 How 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. Use the UP or DOWN arrow to highlight DAY, HOUR or MINUTES. Press SET. Use the UP or DOWN arrow to scroll through the days of the week, hours or minu...
Page 5 - How do I turn on the heating or cooling cycles?; HEAT
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 UP or DOWN arrows to highlight HEAT, COOL or AUTO. Press SELECT. The SELECT button will turn on or off the desired cycle. You do not have to turn o...
Page 6 - What do the LED’s below the display mean?; THE AUX LED indicates the second stage of heating or cooling.
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 9820i. It indicates the heat p...
Page 7 - ON
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 highlight FAN settings. Press SELECT. How does INTERMITTENT FAN work? INTERMITTENT will turn the fan on for a set period of time for a given inter...
Page 8 - How do I temporarily change the temperature?; SET TEMPERATURE AT
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 DOWN button to adjust to the desired temperature. This is a temporary 3-hour hold or until the next programmed event, whichever is shorter. For a lon...
Page 9 - Can I set a temporary adjustment for longer than 3 hours?
9 Can 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 to highlight TEMPORARY HOLD. Press SELECT. The temperature should be highlighted. Press the UP or DOWN button to adjust the temperature. Press SET ...
Page 11 - How do I set the Vacation Mode?
How do I set the Vacation Mode? Take a trip and don’t worry about the temperature! From the main screen press the HOLD TEMP button. The following screen appears. Use the UP or DOWN arrow to highlight the VACATION HOLD feature. Press SELECT. The temperature should be highlighted. Use the UP or DOWN a...
Page 12 - How do I program my thermostat?
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 a variety of programming. Make your selection and press SELECT. MON-SUN allows every day to be set the same. MON-FRI allows for weekday programming...
Page 14 - How do I copy one day’s program to another day?; COPY; FRIDAY
How do I copy one day’s program to another day? In the program screen, press the DOWN button until COPY is highlighted. Press SELECT. Use the UP or DOWN button to highlight the day to copy to. Press YES / NO. A YES will appear next to the day. Do this for each day to which that program is to be copi...
Page 15 - How do I know what program is right for me?
15 What 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 the period when no one is at home. It could be the period when the household is asleep at night. The time for an event is selected based on when you w...
Page 16 - humidity level falls below the setpoint.; What happens if the mode is set to OFF?; HUMIDIFY
How do I set the Humidity Levels? The humidity level is adjustable from 15% to 45% RH. From the Main Screen press MENU. Use the UP or DOWN arrow to highlight HUMIDIFY. Press SELECT. Use the UP or DOWN arrow to again highlight HUMIDIFY. Press SELECT. Use the UP and DOWN arrow to adjust the humidity l...
Page 17 - What are the USER settings?
What are the USER settings? The USER SETTINGS can change the way information is displayed on the thermostat and help to optimize comfort. It’s one way to truly personalize your new thermostat. To get to the USER SETTINGS, press the MENU button from the main screen. USER SETTINGS are below the FAN se...
Page 19 - More Detailed Information on the USER SETTINGS.
More Detailed Information on the USER SETTINGS. DIFFERENTIAL SETTINGS The temperature differential is your comfort level. The differential is the difference from setpoint before your heating or cooling system will turn on. The 9815i and 9820i models also have 2 nd stage differential. If the temperat...
Page 20 - SENSOR SETTINGS; When would I need to change the USER settings?
20 More Detailed Information on the USER SETTINGS. 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. LOCAL/REMOTE will take a temperature reading from bo...
Page 21 - What are the INSTALLER settings?; SYSTEM SETUP
What are the INSTALLER settings? The INSTALLER SETTINGS are setup during the initial installation. They tell the thermostat how to function with your heating or cooling equipment. The following is a brief overview and discussion of these settings. SYSTEM SETUP Choose the system component which the t...
Page 24 - When would I need to change the INSTALLER settings?
CONTACT INFORMATION This allows the servicing HVAC contractor to put their name and phone number into the thermostat to remind you when service may be required. SERVICE MONITOR MENU Two menus are available, the Service Monitor and the Filter Monitor. Both can be set based on the HVAC system run time...
Page 25 - How does my remote indoor sensor work?; the thermostat in a secure location.; When would I need a remote indoor sensor?; out the living space.; How does my remote outdoor sensor work?; may affect its sensitivity.
How does Energy Efficient Recovery™ (EER™) work? Energy Efficient Recovery™ is an energy saving feature. During a set back period (or set up in cooling), it allows the thermostat to look up to two hours ahead to determine when to turn on the heating (cooling) system. During this time period, the sec...
Page 26 - of day will display 12:00 indicating a reset has occurred.; How do I know if the heating or cooling is on?; the bottom crease will turn on.
26 Who should I call for additional help? 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. What should I do if my power goes out? Make sure your family is safe and don’t worry about the th...
Page 27 - My energy bills are too high. Is there anything I can do?
27 My 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 thereby lowering our heating and cooling costs. Generally, the best way to do this is to use the EPA E NERGY S TAR® recommended setpoints for heating a...
Page 28 - TWO YEAR LIMITED WARRANTY; Instructions for return:; Climate Controls Americas 515 South Promenade Ave.,
28 110-1057B Climate Controls Americas515 Promenade AvenueCorona CA 92879-1736United States of AmericaMade in MexicoPatents Pendingwww.about-i-series.com TWO YEAR LIMITED WARRANTY The manufacturer warrants to the original contractor installer or to the original consumer user, each newRobertshaw ther...