Nuheat NTG5110; NTG5220 Manuals

NTG5110 & NTG5220 400-115-006-E 10/11/06 1/3 Nuheat’s NTG5110 & NTG5220 programmable thermostats can be used to control the ambient air temperature or floor temperature. You can select among the following temperature control modes: Memory Backup: In the event of a power failure, an internal circuit will maintain the pro- gramming and time. However, the time will have to be re-set if the power failure exceeds 6 hours. Set the time using the Hour and Min buttons. Set the day using the Day button. Press Mode/Ret to exit. The Comfort , Economy and Vacation settings respectively represent the temperatures that you wish to have during the day ( ), at night or while you are away at work ( ), or while you are away for an extended period ( ). This thermostat is pre-programmed with the following default Com- fort, Economy and Vacation setpoints. If the default temperature settings suit your personal preferences, skip the following section. To Modify the Default Setpoints: To modify the Comfort temperature, select the desired temperature using the buttons and hold the button until the icon is displayed (app. 3 seconds). To modify the Economy temperature, select the desired temper- ature using the buttons and hold the button until the icon is displayed (app. 3 seconds). To modify the Vacation temperature, select the desired tempera- ture using the buttons and hold the button until the icon is displayed (app. 3 seconds). Press the Mode/Ret button to exit this function and return to the normal operating mode. Description 1. A mode: controls the ambient air temperature F mode: controls the floor temperature using an external temperature sensor AF mode: controls the ambient air temperature maintains the floor temperature within desired limits using an external temperature sensor Operating Modes 2. MANUAL Allows you to manually adjust the temperature set- point. To activate this mode, press Mode/Ret to dis- play the icon. Set the desired temperature using or select one of the pre-programmed settings ( , or ). AUTO Executes the default schedule or your own pro- gramming. Use this mode to maximize energy savings. To activate it, press Mode/Ret to display the icon. The or icon indicates which temperature set- ting is used. Also, the icon of the period number will be shown. (i.e. ) Power On switch / reset GFCI Temperature adjustment Set programming Select Operating Mode / Return Temperature Operating mode icons Period number Comfort setpoint Time and day Heating indicator Backlight button Erase programming Comfort, Economy and Vacation icons Appears when the setpoint is displayed Temperature control mode icons Ground fault indicator Lights up display, automatically turns off after 12 seconds Set day Set time Economy setpoint Vacation setpoint Time and Day Adjustment 3. Setpoint Configuration 4. Icon Setpoint F mode A/AF mode Comfort 88 °F (31 °C) 70 °F (21 °C) Economy 73 °F (23 °C) 63 °F (17 °C) Vacation 50 °F (10 °C) 50 °F (10 °C) NTG5110 & NTG5220 Homeowner’s Guide Programmable Thermostats