Owner's Manual
Page 1
All Rights Reserved 69-1679EF-1 Registered Trademark Patents Pending © 2004 Honeywell International Inc. T8775A,C The Digital Round™ Non-Programmable Thermostats OWNER'S GUIDE ® U.S.
All Rights Reserved 69-1679EF-1 Registered Trademark Patents Pending © 2004 Honeywell International Inc. T8775A,C The Digital Round™ Non-Programmable Thermostats OWNER'S GUIDE ® U.S.
Installation Instructions
Page 1
...Honeywell International Inc. All Rights Reserved WALL ANCHORS (2) WALL PLATE 1 WIRING HOLE 1 INCH SCREW (2) M19499 1 WHEN USING WALL ANCHORS, DRILL 3/16 IN. Mounting wallplate to follow them could damage the product or cause a hazardous condition. 2. T8775A,C The Digital Round™ Non-Programmable Thermostats The T8775A,C Thermostats provide single-stage temperature control for 24V systems. The T8775A,C models include a thermostat...U.S. MERCURY NOTICE If this Product... 1. Do not install the thermostat where it can be a trained, experienced service technician. 4. Read...
...Honeywell International Inc. All Rights Reserved WALL ANCHORS (2) WALL PLATE 1 WIRING HOLE 1 INCH SCREW (2) M19499 1 WHEN USING WALL ANCHORS, DRILL 3/16 IN. Mounting wallplate to follow them could damage the product or cause a hazardous condition. 2. T8775A,C The Digital Round™ Non-Programmable Thermostats The T8775A,C Thermostats provide single-stage temperature control for 24V systems. The T8775A,C models include a thermostat...U.S. MERCURY NOTICE If this Product... 1. Do not install the thermostat where it can be a trained, experienced service technician. 4. Read...
Installation Instructions
Page 2
All wiring must comply with single transformer. Disconnect the power supply to wire the T8775A,C Thermostats. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 2 FACTORY INSTALLED JUMPER. M19517 Fig. 5. PROVIDE DISCONNECT MEANS ...2 REMOVE FACTORY INSTALLED JUMPER BETWEEN R AND RC. M19516 Fig. 6. HEATING 1 RELAY OR VALVE COIL 1 POWER SUPPLY. T8775A,C THE DIGITAL ROUND™ NON-PROGRAMMABLE THERMOSTATS Wiring IMPORTANT Use 18-gauge wire to prevent electrical shock or equipment damage. Typical hookup of T8775C in a heat-only system. M19514 Fig...
All wiring must comply with single transformer. Disconnect the power supply to wire the T8775A,C Thermostats. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 2 FACTORY INSTALLED JUMPER. M19517 Fig. 5. PROVIDE DISCONNECT MEANS ...2 REMOVE FACTORY INSTALLED JUMPER BETWEEN R AND RC. M19516 Fig. 6. HEATING 1 RELAY OR VALVE COIL 1 POWER SUPPLY. T8775A,C THE DIGITAL ROUND™ NON-PROGRAMMABLE THERMOSTATS Wiring IMPORTANT Use 18-gauge wire to prevent electrical shock or equipment damage. Typical hookup of T8775C in a heat-only system. M19514 Fig...
Installation Instructions
Page 3
...-1677EF-1 This is the correct setting for recommended cycle rate. See Fig. 8. Temperature Indication. T8775A,C THE DIGITAL ROUND™ NON-PROGRAMMABLE THERMOSTATS CUSTOMIZE THERMOSTAT Setting Fuel Switch (T8775C only) The fuel switch is preset at the top of the thermostat. Heating System Cycles DIP DIP Per Switch Switch Hour 1 2 Steam, Gravity 1 On On High Efficiency Warm Air...
...-1677EF-1 This is the correct setting for recommended cycle rate. See Fig. 8. Temperature Indication. T8775A,C THE DIGITAL ROUND™ NON-PROGRAMMABLE THERMOSTATS CUSTOMIZE THERMOSTAT Setting Fuel Switch (T8775C only) The fuel switch is preset at the top of the thermostat. Heating System Cycles DIP DIP Per Switch Switch Hour 1 2 Steam, Gravity 1 On On High Efficiency Warm Air...
Installation Instructions
Page 4
...°F (4°C to 32°C) in heating and 45°F to 99°F (7°C to 37°C) in Hungary www.honeywell.com/yourhome Fan 1. Slide the FAN switch to Auto. 2. Use for cooling is made before the compressor has been off . stat ...switch to Auto. The fan should turn off . The thermostat controls the cooling system. CHECKOUT NOTE: Temperature setpoint range is running, the thermostat will flash during this delay. 1. The fan should run continuously. 2. T8775A,C THE DIGITAL ROUND™ NON-PROGRAMMABLE THERMOSTATS (T8775C ONLY) SELECTS COOL/OFF/HEAT (T8775C ONLY)...
...°F (4°C to 32°C) in heating and 45°F to 99°F (7°C to 37°C) in Hungary www.honeywell.com/yourhome Fan 1. Slide the FAN switch to Auto. 2. Use for cooling is made before the compressor has been off . stat ...switch to Auto. The fan should turn off . The thermostat controls the cooling system. CHECKOUT NOTE: Temperature setpoint range is running, the thermostat will flash during this delay. 1. The fan should run continuously. 2. T8775A,C THE DIGITAL ROUND™ NON-PROGRAMMABLE THERMOSTATS (T8775C ONLY) SELECTS COOL/OFF/HEAT (T8775C ONLY)...