Ion™ Black System Control Don’t call it a thermostat -- mere thermostats simply don’t offer all of the features and functionality of the Ion™ Black System Control. Offering full command over a communicating comfort system, including temperature, humidity, ventilation, comfort scheduling, energy management and more, this is our most fully-featured control. Anywhere in the connected world, you are just a touch or a tap away from full system control with an internet-enabled device. FEATURES AND BENEFITS High resolution, smartphone-like touchscreen Wi-Fi® enabled for remote access and control Pair with our communicating, modulating gas furnace; variable-speed fan coil; inverter-driven outdoor units; and zoning system for a complete Ion™ Comfort System Capable of controlling temperatures and fan speeds in up to eight zones Real-time energy use tracking Local weather 5-day forecast Humidity control for enhanced comfort Dual fuel system management capable Auto changeover between heating and cooling Four levels of "constant ON" fan speeds 7-day programming with temperature control throughout the day and week (wake, away, home, sleep) Advanced smart setback for optimal energy savings during "away" and ramp up periods One-button Touch-N-Go® quick-settings-change feature Simple vacation programming controls temperature and humidity System maintenance reminders 10-Year No Hassle Replacement™ Limited Warranty+ 10-year parts limited warranty± Brochure Comfortmaker Ion System Control Consumer Brochure Owner's Manual SYST0101CW Ion System Control Owner's Manual Warranty Card Residential, TSTAT0101SC, TSTAT0201CW & SYST0101CW thermostats, zoning accessories, dampers, Communicating Relay Module, Remote Room Sensor Warranty