Owner's Manual
Page 2
... of The Digital RoundTM Thermostat by Honeywell. • Simple to read display. Turn the dial to adjust the temperature setting. • Large easy-to follow these instructions carefully. the state of a power failure. Read these instructions can arise as you become familiar and... comfortable with your Honeywell thermostat - Failure to -read the display in a dark room or hallway....
... of The Digital RoundTM Thermostat by Honeywell. • Simple to read display. Turn the dial to adjust the temperature setting. • Large easy-to follow these instructions carefully. the state of a power failure. Read these instructions can arise as you become familiar and... comfortable with your Honeywell thermostat - Failure to -read the display in a dark room or hallway....
Owner's Manual
Page 4
...on a warm air heating only system. • A thermostat that is not compatible with the operation of the new thermostat. Save package of screws, instructions, and receipt. ❑ Remove the cover from the top or bottom, check for a screw or screws that has one of these systems. For... have either system does not work with the installation at the furnace or the fuse/circuit breaker panel. ❑ Carefully unpack your system, call Honeywell Customer Care, at 1-800-468-1502. 69-1676-1 4 This thermostat is connected to C or C1 terminals), you have a multistage heat pump...
...on a warm air heating only system. • A thermostat that is not compatible with the operation of the new thermostat. Save package of screws, instructions, and receipt. ❑ Remove the cover from the top or bottom, check for a screw or screws that has one of these systems. For... have either system does not work with the installation at the furnace or the fuse/circuit breaker panel. ❑ Carefully unpack your system, call Honeywell Customer Care, at 1-800-468-1502. 69-1676-1 4 This thermostat is connected to C or C1 terminals), you have a multistage heat pump...
Owner's Manual
Page 14
...CT8775C Only) ❑ Slide the system switch to Off and the fan switch to lower the temperature setting several degrees below 50°F (10°C). The fan should turn off for cooling. Do not operate cooling when outside temperature is below the room temperature. See equipment manufacturer instructions.... Can cause permanent damage to remain off . 69-1676-1 14 Allow compressor to compressor or other equipment. Cooling System (CT8775C Only) CAUTION Equipment Damage Hazard. The snowflake will flash during this delay. ❑ After five minutes, the thermostat will ...
...CT8775C Only) ❑ Slide the system switch to Off and the fan switch to lower the temperature setting several degrees below 50°F (10°C). The fan should turn off for cooling. Do not operate cooling when outside temperature is below the room temperature. See equipment manufacturer instructions.... Can cause permanent damage to remain off . 69-1676-1 14 Allow compressor to compressor or other equipment. Cooling System (CT8775C Only) CAUTION Equipment Damage Hazard. The snowflake will flash during this delay. ❑ After five minutes, the thermostat will ...
Owner's Manual
Page 15
...and check the registers again. If all of this thermostat. For additional information, go to www.honeywell.com/yourhome or call Honeywell Customer Care, toll free, at the equipment is in the Off position. • Wait five...Then... Heating does not come on. Cooling does not come on . • Set the system switch to Heat (CT8775C only). • Make sure the temperature setting is above the room temperature. • Make sure the circuit breaker.... Solution Guide. Customer Assistance Please read and follow the provided instructions for cooling. IF YOU HAVE A PROBLEM Table 5.
...and check the registers again. If all of this thermostat. For additional information, go to www.honeywell.com/yourhome or call Honeywell Customer Care, toll free, at the equipment is in the Off position. • Wait five...Then... Heating does not come on. Cooling does not come on . • Set the system switch to Heat (CT8775C only). • Make sure the temperature setting is above the room temperature. • Make sure the circuit breaker.... Solution Guide. Customer Assistance Please read and follow the provided instructions for cooling. IF YOU HAVE A PROBLEM Table 5.