All Rights Reserved CONTENTS INTRODUCTION ..................................1 DESCRIPTION ....................................1 MAINTENANCE ...................................1 OPERATION .....................................2 DISPLAY ........................................4 FILTER REMINDER ................................6 ANTICIPATION ...................................6 SETTING THE CURRENT TIME AND DAY ...............7 PROGRAMMING ..................................8 SETTING TIME SCHEDULES ...

This will allow you to have different heating and cooling settings on Saturday and Sunday, than you normally would have for weekdays (Monday Friday). When programming the time schedules, the weekday time schedule is programmed first. The Saturday time schedule is programmed second, and the Sunday time schedule is programmed last. 8 SETTING TIME SCHEDULES To view or change the programming time schedules of your thermostat, press and the Prog key four times. The weekday MORN time will flash. 1. Us

3-DESIRED DESIRED is displayed when the temperature display shows the desired temperature setting. 4-OUTSIDE OUTSIDE will be displayed when the temperature display shows the outdoor temperature. The outdoor temperature will be displayed every 4 seconds. 4 5-. .. The . .. is displayed when the heating or cooling system is running. 6-COOL COOLis displayed when the system is in Cool mode. 7-AUTO AUTOis displayed when in automatic changeover mode. 8-HEAT HEATis displayed when the system is in Heat m

7-AUTO AUTOis displayed when in automatic changeover mode. 8-HEAT HEATis displayed when the system is in Heat mode. 9-FAN FANis displayed when the fan is set to run continuously. 10-OFF OFFis displayed when the system is in the Off mode. 11-REMOTE REMOTE is displayed when the last command received by the thermostat was sent by a remote system. 12- Period Indicators MORN, DAY, EVE, or NITE is displayed when scheduled temperature changes are made by the thermostat programs. 13-HOLD HOLDis displaye

If the up arrow is pressed at 11:45 PM, or the down arrow is pressed at 12:00 AM, the time display will be blank, indicating that no scheduled temperature changes will be made for that period. Your thermostat will follow a set of time scheduled programs on weekdays (Monday-Friday), on Saturday, and on Sunday. This will allow you to have different heating and cooling settings on Saturday and Sunday, than you normally would have for weekdays (Monday Friday). When programming the time schedules, th

Under these conditions, the heat pump will run continuously and the auxiliary heat will cycle on and off as needed. If you wish to temporarily override Energy Efficient Control to heat as quickly as possible, press the Hold key. The RC-101 will use the Auxiliary Heat as needed to reach the heat setting, then resume Energy Efficient Control once the setting is reached. Remember to turn Hold off to resume programmed operation. 3 OPERATION To take advantage of all the benefits and features offered

6-COOL COOL is displayed when the system is in Cool mode. 7-AUTO AUTO is displayed when in automatic changeover mode. 8-HEAT HEAT is displayed when the system is in Heat mode. 9-FAN FAN is displayed when the fan is set to run continuously. 10-OFF OFF is displayed when the system is in the Off mode. 11-REMOTE .. REMOTE is displayed when the last command received by the thermostat was sent by a remote system. 12- Period Indicators MORN, DAY, EVE, or NITE is displayed when scheduled temperature cha

To enter programming mode, press the Prog key 4 times. When in programming mode: 1. The item that is being programmed will flash. 2. The up arrow key (.) is used to increase the value. 3. The down arrow key (.) is used to decrease the value. 4. The Prog (>) key is used to advance to the next item. 5. The Hold (<) key is used to return to the previous item. 6. To exit programming mode, press the Mode key. The thermostat will automatically exit programming mode after 20 seconds of no key activity.

Your thermostat will provide you with comfort, convenience, and energy savings for years to come. We hope that you take a few moments to become familiar with all of the features of this fine product by reviewing this manual. Please keep this manual on file for future reference. DESCRIPTION The RC-90 is a precision digital thermostat for single stage heating and cooling systems. It has the capability of being controlled both locally and by remote control. It offers programmability, stand-alone op

POWER OUTAGES The thermostat will restart the heating/cooling system 3 to 8 minutes after the electricity comes back on. All settings and programs are stored permanently, and will not be affected by a power outage. CLOCK The thermostat clock is maintained for approximately 25 minutes during an electrical outage. 11 TIME SCHEDULES The table below shows the time schedules that are currently set into your thermostat. There is a blank table at the bottom that can be used to plan changes to the curre