Owner's Manual
Page 3
... Care toll-free at 1-800-468-1502. Read and save these instructions. ® U.S. Need Help? Patents pending. © 2009 Honeywell International Inc. To prevent possible compressor damage, do not use Cooling mode when the outdoor temperature is below 50 °F (10 °C). Registered Trademark. ENGLISH ... Series This manual covers the following models: TH1100D: For 1-Heat systems TH1110D: For 1-Heat / 1-Cool systems TH1210D: For 2-Heat / 1-Cool heat pump systems (Remove the thermostat from its wallplate to find the model number.) CAUTION: EQUIPMENT DAMAGE HAZARD.
... Care toll-free at 1-800-468-1502. Read and save these instructions. ® U.S. Need Help? Patents pending. © 2009 Honeywell International Inc. To prevent possible compressor damage, do not use Cooling mode when the outdoor temperature is below 50 °F (10 °C). Registered Trademark. ENGLISH ... Series This manual covers the following models: TH1100D: For 1-Heat systems TH1110D: For 1-Heat / 1-Cool systems TH1210D: For 2-Heat / 1-Cool heat pump systems (Remove the thermostat from its wallplate to find the model number.) CAUTION: EQUIPMENT DAMAGE HAZARD.
Owner's Manual
Page 4
ENGLISH Operating Manual Table of contents Overview Thermostat features 1 Quick reference to controls 2 Quick reference to display 3 Operation System switch (Heat/Cool 4 Fan switch (Auto/On 5 Temperature controls 6 Compressor protection 7 Appendices Battery replacement 8 In case of difficulty 9 Customer assistance 10 2-year limited warranty 11
ENGLISH Operating Manual Table of contents Overview Thermostat features 1 Quick reference to controls 2 Quick reference to display 3 Operation System switch (Heat/Cool 4 Fan switch (Auto/On 5 Temperature controls 6 Compressor protection 7 Appendices Battery replacement 8 In case of difficulty 9 Customer assistance 10 2-year limited warranty 11
Owner's Manual
Page 5
Features • Backlit display is easy to read • Displays ambient (measured) temperature at all times • One-touch access to -use, push-button climate control. ENGLISH PRO 1000 Series About your new thermostat Your new Honeywell thermostat has been designed to give you many years of reliable service and easy-to setpoint temperature • Built-in compressor protection 1
Features • Backlit display is easy to read • Displays ambient (measured) temperature at all times • One-touch access to -use, push-button climate control. ENGLISH PRO 1000 Series About your new thermostat Your new Honeywell thermostat has been designed to give you many years of reliable service and easy-to setpoint temperature • Built-in compressor protection 1
Owner's Manual
Page 11
When the safe wait time has elapsed, the message stops flashing and the compressor turns on the screen. During the wait time, the message Cool On or Heat On flashes on . 7 Because damage can occur if the compressor is restarted too soon after shutdown, this feature forces the compressor to the compressor of your air conditioning or heat pump system. ENGLISH PRO 1000 Series Built-in compressor protection (select models) Your thermostat has a feature that helps prevent damage to wait 5 minutes before restarting.
When the safe wait time has elapsed, the message stops flashing and the compressor turns on the screen. During the wait time, the message Cool On or Heat On flashes on . 7 Because damage can occur if the compressor is restarted too soon after shutdown, this feature forces the compressor to the compressor of your air conditioning or heat pump system. ENGLISH PRO 1000 Series Built-in compressor protection (select models) Your thermostat has a feature that helps prevent damage to wait 5 minutes before restarting.
Owner's Manual
Page 12
... icon will be away for 60 days before removing the batteries. ENGLISH Operating Manual Battery replacement NOTE: Batteries are thus preserved when the thermostat is without AC power or batteries. Install two fresh AAA batteries when Lo Batt (low batteries) flashes on the screen. The settings ...are stored in non-volatile (permanent) memory and are optional (and serve as backup power) only if your thermostat is connected to 24 VAC. 8 Replace batteries once a year, or when you will not appear when the batteries are depleted. Otherwise, the ...
... icon will be away for 60 days before removing the batteries. ENGLISH Operating Manual Battery replacement NOTE: Batteries are thus preserved when the thermostat is without AC power or batteries. Install two fresh AAA batteries when Lo Batt (low batteries) flashes on the screen. The settings ...are stored in non-volatile (permanent) memory and are optional (and serve as backup power) only if your thermostat is connected to 24 VAC. 8 Replace batteries once a year, or when you will not appear when the batteries are depleted. Otherwise, the ...
Owner's Manual
Page 13
... cannot be changed. E2 appears on the screen. Wait for the delay to 37 °C). • The compressor protection delay has been activated. Replace the thermostat. 9 Cool On or Heat On is shorted. LO appears on the screen. HI appears on the screen. E1 appears on the screen. • Check circuit... is above 122 °F (50 °C). • The ambient (measured) temperature is below 32 °F (0 °C). • The temperature sensor circuit is opened. Replace the thermostat. • The temperature sensor circuit is flashing.
... cannot be changed. E2 appears on the screen. Wait for the delay to 37 °C). • The compressor protection delay has been activated. Replace the thermostat. 9 Cool On or Heat On is shorted. LO appears on the screen. HI appears on the screen. E1 appears on the screen. • Check circuit... is above 122 °F (50 °C). • The ambient (measured) temperature is below 32 °F (0 °C). • The temperature sensor circuit is opened. Replace the thermostat. • The temperature sensor circuit is flashing.