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Also, clearing the Energy Monitor counters will clear 72.7I. . 30-31OPERATION Auto Recovery Hunter’s Auto Recovery feature meets the ENERGY STAR ® guidelines for energy efficiency by allowing the heating or cooling system recover gradually from an energy-saving setpoint temperature to a comfort setpoint temperature. Auto Recovery calculates how early to turn your system back On, so that the room temperature is already comfortable by the start of the comfort temperature program period. Auto Recovery works in both Heat and Cool modes. For example, in Heat mode, you could have the following programs: Program #4 (Overnight) Program #1 (Morning) Set Temp = 60°F Set Temp = 68° F Time = 10pm Time = 6am The room temperature fell to 60°F overnight. Rather than having the thermostat turning on at 6am, Auto Recovery would note the temperature difference between 60°F and 68°F and turn the Heat on approximately 30 minutes early. Therefore, the room temperature at 6am would be about 68°F instead of 60°F. ¦ When the thermostat is in Auto Recovery mode, the display will alternate “RECV” with time, and the program RE CV indicator will flash. HEAT TEMP 74 Details of Auto Recovery Operation: ¦ Auto Recovery can be disabled by sliding the Recovery on the circuit board to the ALT position. Refer to page 15. ¦ Auto Recovery will not operate if Permanent hold, Temporary hold or Home Today is in operation. ¦ Auto Recovery can be canceled manually if HOLD/CLEAR pressed during the recovery process. If a recovery process is canceled manually then the recovery process will not start again until the next program period starts (an exception is that if time or program is changed then the thermostat will check Auto Recovery conditions immediately). ¦ Auto Recovery will be canceled and change to Home Today mode if HOME TODAY is pressed during the recovery process. ¦ Auto Recovery will be canceled and change to Temporary Manual Override mode if the setpoint is adjusted during the recovery process. ¦ If the system changes between heat and cool (automatically or manually) then the thermostat will recalculate Auto Recovery again. Setpoint temperature will be changed to the opposite system’s comfort temperature if the recovery entry criteria are still met. Otherwise, the recovery process will be canceled and return to program control mode. Keyboard Lock The Keyboard can be locked to prevent unauthorized changes to the n To lock or unlock the keyboard, press and hold BOTH the M AMand keys for 3 seconds. The keyboard is locked LO CK when LOCK appears on the display. 2 HEAT TEMP 74 n All keys are locked, except for the LIGHT bar. Any time a key is pressed, LOCK will appear on the display for 1 second. Backlighting (INDIGLO ® night-light) Your thermostat has an electroluminescent lamp that backlights the display for easy viewing in the dark. ¦ Press the Light Bar on the left side of the thermostat to illuminate the display. n The display will remain illuminated for 5 seconds after the last key is pressed. This allows the light to stay on if you need to operate several keys. Note: If the thermostat is in Low Battery warning condition, the backlight will not operate. Replace with 2 new AA alkaline batteries to restore the Backlight function. 32-33SAFETY FEATURES Low Battery Warning Your thermostat has a two-stage low battery system. display alternatively with the clock. You then need to replace the When the batteries are first detected to be weak, the first stage batteries with 2 new AA alkaline batteries. low battery warning is indicated by “BATT” flashing on the LCD M BA TT HEAT TEMP 74 NOTE: The backlight will not operate in low battery condition. Replace the Backlight function. When the batteries become too weak for normal operation, the alone on the display, and the thermostat will turn your system thermostat enters the second stage low battery warning which Off. Your system will remain shut-off until the batteries are shuts down the thermostat. In this condition, “BATT” flashes replaced. BA TT NOTE: The thermostat will still keep the current time and your programs in memory until new batteries are installed. After confirming new batteries have been inserted, the thermostat will return to normal operation. Error Mode If the thermostat is unable to control your system due to an use a paper clip to press the RESET button next to the unexpected battery problem, the thermostat will enter Error You will need to reprogram your thermostat and confirm normal Mode. In this condition, the thermostat operation. LCD display, and shuts off your system. If Error Mode returns, please call Hunter Technical support at To correct this problem, replace the batteries with 2 new AA (901) 745-9222 for further information. alkaline batteries, even if you have recently replaced them. Next, ERR-- Auto Cut-Off Your thermostat will automatically cut-off in Heat mode if the NOTE: If your system has malfunctioned and no longer room temperature rises above 95°F (35°C). It wi...

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