3INTRODUCTIONCarrier’s 7--day, 5/2--day, 1--day programmable and non--programmablePerformance Series Thermidistat Control is a wall--mounted, low--voltagecontrol which combines temperature and humidity control in either a single unitor a two--piece unit. In two--piece configuration, the relays are located near theequipment and a two--wire connection is used between the Display Module andthe Equipment Control Module. Single--piece installation requires more wiringand results in a higher profile. The Edget Thermidistat has no need for batteriesto store user--configured settings in memory. During power loss its internalmemory saves settings for unlimited time, and the clock continues to run for atleast 24 hours. An extension of Carrier’s proven line of thermostats; it providesseparate setpoints for heating and cooling in addition to humidification anddehumidification.In the Edge Thermidistat Control’s programmable configuration, differentheating and cooling setpoints and times are programmable for 4 periods per dayor 2 periods per day. Programming can be done for 7 days per week, 5/2 daysper week, or 1 day. The programmable Thermidistat Control can also be userconfigured as a non--programmable Thermidistat Control. When operating asnon--programmable, the Edge Thermidistat Control will still have bothtemperature and humidity control.The non--programmable Thermidistat Control features Touch ’N’ Got settingsfor quick and easy temperature change without complicated programmingschedules. The non--programmable Edge Thermidistat Control will still haveboth temperature and humidity control. And, its Touch ’N’ Go technologyenables the user to switch between three different user--configurable settingsthrough intuitive buttons located just below the display.