Robertshaw 9851i User Manual
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Robertshaw 9851i User Manual

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98
1
5
i
DELUXE
98
6 5
i
PROGRAMMABLE
98
0
THERMOSTATS
7
i
User's Manual
Menu Driven Display
Integrated Humidity &
Dehumidity Control
24 VAC with Worry-Free
Memory Storage
English and Spanish Menus
110-1112
Humidity
Control
Two Year Warranty

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Summary of Contents for Robertshaw 9851i

  • Page 1 DELUXE PROGRAMMABLE THERMOSTATS User's Manual Humidity Menu Driven Display Control Integrated Humidity & Dehumidity Control 24 VAC with Worry-Free Memory Storage English and Spanish Menus 110-1112 Two Year Warranty...

  • Page 2: Important Safety Information

    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.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS How do I change the time of day and day of the week? ............Page 5 How do I turn on the heating or cooling cycles? .
  • Page 4 TABLE OF CONTENTS (continued) What are the USER settings? ................Page 19 Detailed Information on the USER SETTINGS (Or what do these USER SETTINGS do?) .

  • Page 5: How Do I Change The Time Of Day And Day Of The Week

    How do I change the time of day and day of the week? MONDAY 3:29 PM From the main screen press MENU. COOL FAN AUTO SET AT 78 30%RH HOLD TEMP MENU MENU Use the UP or DOWN arrows to highlight DAY/TIME. BACK Press SELECT.

  • Page 6: How Do I Turn On The Heating Or Cooling Cycles

    How do I turn on the heating or cooling cycles? MONDAY 3:29 PM From the main screen press MENU. COOL FAN AUTO SET AT 78 30%RH MENU HOLD TEMP MENU PROGRAM Use the UP or DOWN arrows to highlight HEAT/COOL. Press SELECT.

  • Page 7: What Do The Led's Below The Display Mean

    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 9870i.

  • Page 8: How Do I Cycle The Fan

    How do I cycle the fan? MONDAY 3:29 PM From the main screen press MENU. COOL FAN AUTO SET AT 78 30%RH Use the UP or DOWN buttons until FAN is highlighted. Press SELECT. HOLD TEMP MENU MENU HUMIDIFY DEHUMIDIFY DAY / TIME MORE Use the UP or DOWN buttons to highlight FAN settings.

  • Page 9: How Do I Temporarily Change The Temperature

    How do I temporarily change the temperature? MONDAY 3:29 PM COOL From the main screen, press the UP or DOWN button. The screen FAN AUTO will change to the following. SET AT 78 30%RH HOLD TEMP MENU SET TEMPERATURE AT Use the UP or DOWN button to adjust to the desired temperature.

  • Page 10: Can I Set A Temporary Adjustment For Longer Than 3 Hours

    Can I set a temporary adjustment for longer than 3 hours? MONDAY 3:29 PM COOL Yes you can! Press the HOLD TEMP button. The following screen appears. FAN AUTO SET AT 78 30%RH HOLD TEMP MENU HOLD SETTINGS PERMANENT HOLD Press the DOWN button to highlight TEMPORARY HOLD.

  • Page 11: Can I Set The Thermostat To Hold One Temperature Indefinitely

    Can I set the thermostat to hold one temperature indefinitely? MONDAY 3:29 PM COOL You can do that too! From the main screen press the HOLD TEMP button. The following screen appears. FAN AUTO SET AT 78 30%RH HOLD TEMP MENU HOLD SETTINGS The PERMANENT HOLD feature should be highlighted.

  • Page 12: How Do I Set The Vacation Mode

    How do I set the Vacation Mode? MONDAY 3:29 PM Take a trip and don’t worry about the temperature! From the main screen press the HOLD TEMP COOL button. The following screen appears. FAN AUTO SET AT 78 30%RH HOLD TEMP MENU HOLD SETTINGS Use the UP or DOWN arrow to highlight the VACATION HOLD feature.

  • Page 13: How Do I Program My Thermostat

    How do I program my thermostat? MONDAY 3:29 PM COOL FAN AUTO From the main screen press the MENU button. SET AT 78 30%RH HOLD TEMP MENU MENU PROGRAM Use the UP or DOWN button to highlight PROGRAM. Press SELECT. HEAT / COOL DAY / TIME HOME...
  • Page 14 How do I program my thermostat? (continued) MONDAY PROGRAM HEAT COOL WAKE 06:00A The time for the first event should be highlighted. Use the UP or DOWN key to change the time. MORN 08:30A Press SET TIME. 04:30P NIGHT 10:30P BACK SET TIME MONDAY PROGRAM...

  • Page 15: How Do I Copy One Day's Program To Another Day

    How do I copy one day’s program to another day? MONDAY PROGRAM HEAT COOL MORN 08:30A In the program screen, press the DOWN button until COPY is highlighted. 04:30P Press SELECT. NIGHT 10:30P COPY MAIN MENU SELECT COPY MONDAY TO Use the UP or DOWN button to highlight the TUESDAY day to copy to.

  • Page 16: What Is An Event

    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 want the event to occur.

  • Page 17: How Do I Set The Humidity Levels

    How do I set the Humidity Levels? MENU The humidity level is adjustable from 15% to 45% RH in the manual mode. From the main screen PROGRAM HEAT/COOL press MENU. HUMIDIFY Use the UP or DOWN arrow to highlight HUMIDIFY. Press SELECT. Use the UP or DOWN arrow DEHUMIDIFY to highlight HUMIDIFY.

  • Page 18: How Is Dehumidification Achieved

    How is dehumidification achieved? MENU If the humidity increases above the desired levels, the thermostat will turn on the air conditioner PROGRAM HEAT/COOL which will allow moisture to be removed from the air. As long as the humidity levels within the HUMIDIFY home are within the desired range, the D terminal will be energized (constant 24v output).

  • Page 19: What Are The User Settings

    What are the USER settings? MONDAY 3:29 PM COOL The USER SETTINGS can change the way information is displayed on the thermostat and help FAN AUTO to optimize comfort. It’s one way to truly personalize your new thermostat. SET AT 78 30%RH HOLD TEMP MENU...

  • Page 20: Detailed Information On The User Settings (Or What Do These User Settings Do?)

    Detailed 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 desired setting. Press SELECT. TEMPERATURE TEMPERATURE: Fahrenheit or Celsius ˚F Temperature will be displayed in F or C. ˚C USER MENU SELECT...
  • Page 21 More Detailed Information on the USER SETTINGS DIFFERENTIAL SETTINGS DIFFERENTIAL SETTING The temperature differential is your comfort level. The differential is the difference from setpoint 1ST DIFF 1˚F before your heating or cooling system will turn on. The 9815i and 9820i models also have 2 2ND DIFF 2˚F stage differential.

  • Page 22: When Would I Need To Change The User Settings

    More Detailed Information on the USER SETTINGS SENSOR 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. USE LOCAL SENSOR AVG.

  • Page 23: What Are The Installer Settings

    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. INSTALLER SETTINGS INSTALLER SETTINGS INSTALLER SETTINGS CONTACT INFO...
  • Page 24 INSTALLER settings (continued) AUXILIARY HEAT AUXILIARY HEAT STANDARD - COMP. =ON The 9820i can be set to use your 2H/2C heat pump internal auxiliary heating or to use an exter- nal add-on source. The add-on feature will be used most often when a single stage heat pump ADD ON - COMP.
  • Page 25 INSTALLER settings (continued) ENERGY EFFICIENT RECOVERY ENERGY EFFICIENT RECOVERY When turned on, the thermostat will look ahead up to two hours to determine when to turn on the DISABLE heating/cooling system in order to reach the desired temperature at the desired time. ENABLE INSTALL MENU SELECT...
  • Page 26 INSTALLER settings (continued) CONTACT INFORMATION CONTACT INFORMATION AIR EXPERTS This allows the servicing HVAC contractor to put their name and phone number into the thermostat to remind you when service may be required. 1-555-555-1212 BACK EDIT SERVICE MONITOR MENU SERVICE MONITOR MENU Two menus are available, the Service Monitor and the Filter Monitor.

  • Page 27: When Would I Need To Change The Installer Settings

    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. This feature should be set only by a certified HVAC technician. Changing these settings could result in higher energy costs and may even damage your equipment.

  • Page 28: Where Should I Install A Remote Outdoor Sensor

    Where should I install a remote outdoor sensor? The remote outdoor sensor should be installed on the northern wall of your home, away from direct sunlight or other heat sources that may affect its sensitivity. Who should I call for additional help? For additional troubleshooting information, visit our web site at www.about-i-series.com.

  • Page 29: My Energy Bills Are Too High. Is There Anything I Can Do

    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 and thereby lower our heating and cooling costs. TAR ® Generally, the best way to do this is to use the EPA E recommended setpoints for heating and cooling.
  • Page 30 The manufacturer warrants to the original contractor installer or to the original consumer user, each new Robertshaw thermostat to be free from defects in materials and workmanship under normal use and service for a period of two (2) years from the date of purchase.
  • Page 31 NOTES...
  • Page 32 Climate Controls Americas 515 Promenade Avenue Corona CA 92879-1736 United States of America Made in Mexico Patents Pending 110-1112 www.about-i-series.com...

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9870i9865i

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