THERMOSTAT QUICK REFERENCE Getting to know your thermostat Displays the user selectable setpoint temperature. System operation Days of the week and time indicators: The COOL, HEAT or FAN icon will display when the COOL, HEAT or FAN is on. Button NOTE: The compressor options delay feature is active if...
THERMOSTAT OPERATION Easy to use controls Caution: When the battery icon appears replace your AA batteries immediately. Failure to do so may result in your heating & cooling system becoming inoperable. LCD Display: System Switch: See page 2 for details about this Selects the operation mode of your display read out.
SET TIME Set Time Important: Follow the steps below to set the current time: You will see a TECH SET Press MENU option after the MENU key is pressed. Press SET TIME Day of the week will be flashing. This TECH SET key is for Use the key to select the current installer configuration and...
MORE INFORMATION Filter Change Reminder Understanding Thermostat Staging If your installing contractor has configured Your thermostat will control two stages of the thermostat to remind you when the air heating. The thermostat will try to maintain filter needs changed, you will see FILT in the your comfort setting using the first stage for display when your air filter needs changed.
60 days of installation. You can register your new thermostat in 2 ways. Go to www.pro1iaq.com, select warranty registration and fill out a short registration form. - or - Complete the form below and mail it to the address shown. Pro1 IAQ Warranty Registration: Name: ____________________________ Thermostat Model:...
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T721True comfort iii tt-n-721True comfort iii t721
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