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Installation Instructions. Programmable. 5+2 Day. BACKLIT DISPLAY. Digital. Thermostat. Digital. Thermostat. Battery or System Powered. 1-Heat & 1-Cool. Source 1 White 7-Day Programmable Digital Thermostat offers basic operation of HVAC equipment with the ability to run a 5+2 day program at an affordableThis thermostat is preprogrammed from the factory to operate 1 or 2-Stage equipment without the need for further programming. To optimize the installation of HVAC SERVICE PARTSTM. Owner's Manual. Non- Programmable. Digital. Thermostat. Digital. Thermostat. Battery or System Powered. Control up to 1-Heat & 1-Cool. 5.4.1 Electrical connection to a power source . temperature and can thus actuate a heating circuit with a room thermostat. The other heating. Owner's Manual. 5+2 Day Programmable. Heat Pump. BACKLIT DISPLAY. Digital. Thermostat. Digital. Thermostat. Battery or System Powered. Follow the Installation Instructions before proceeding. Home Screen. Get To Know Your Thermostat. Page 1. Sub Menu Screen source of heat.