Owner's Manual
Page 3
... the following models: TH2110D: For 1-Heat / 1-Cool systems TH2210D: For 2-Heat / 1-Cool heat pump systems (Remove the thermostat from its wallplate to find the model number.) CAUTION: EQUIPMENT DAMAGE HAZARD. Need Help? For assistance with this product please visit http://yourhome.honeywell.com or call Honeywell Customer Care toll-free at 1-800-468-1502...
... the following models: TH2110D: For 1-Heat / 1-Cool systems TH2210D: For 2-Heat / 1-Cool heat pump systems (Remove the thermostat from its wallplate to find the model number.) CAUTION: EQUIPMENT DAMAGE HAZARD. Need Help? For assistance with this product please visit http://yourhome.honeywell.com or call Honeywell Customer Care toll-free at 1-800-468-1502...