Honeywell CT3455 Owner's Manual - Page 6

IMPORTANT: Although the thermostat has a low battery indicator, replace the batteries once a year to prevent leakage and to prevent the thermostat and heating/cooling system from shutting down due to lack of battery power. As a precaution when leaving home for longer than a month, change batteries before you leave to prevent system from shutting down due to lack of battery power. Use fresh alkaline batteries; nonalkaline batteries do not last as long, and may leak, causing damage to the thermostat or the wall surface. We recommend Energizer® batteries. Adaptive Intelligent Recovery™ Selection Before you program your thermostat, you must decide if you want to leave the thermostat at the factory-set Adaptive Intelligent Recovery™ setting, or adjust it to conventional recovery. If you choose conventional recovery, adjust screw 3A (on the back of the thermostat) by turning out one turn. With Adaptive Intelligent Recovery™, your home gradually reaches the comfort temperature you set at the exact time programmed into the thermostat to achieve maximum energy savings and comfort. 7 69-0733-3 More about Adaptive Intelligent Recovery™... This thermostat is actually a small but powerful computer. When calculating the exact time to turn on your furnace or air conditioner, it considers: (1) air temperature, (2) the temperature of the wall and (3) when you want the comfort temperature established. During recovery, the thermostat increases the control temperature gradually and turns the equipment on and off several times before reaching your comfort time to save energy by avoiding overshooting the comfort temperature. You can see the current control temperature anytime during recovery by pressing the CURRENT SETTING key. This smart control learns from experience. Each day it checks how closely it hit the target and adjusts the recovery start time accordingly. It normally takes four to eight days after installation for the thermostat to adjust to the weather, your lifestyle, home construction and heating/cooling system. With conventional recovery, the programmed time marks the start of the time your furnace or air conditioner comes on to start recovery; therefore, you should program the start time to be earlier than the desired comfort time. The best starting time varies as the seasons change, but 30 minutes is a good head start time to use. NOTE: If you adjust screw 3A for conventional recovery, a s indicator PM SET PT TUE DAYTIME appears in the lower right corner of the ther- INDICATES THERMOSTAT IS SET FOR CONVENTIONAL RECOVERY mostat display as a re- M2483 minder that you are no longer using the Adap- tive Intelligent Recovery™ feature. 8 69-0733-3