Robertshaw 9820I - Manuals

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...

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...

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...

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...

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 ...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...