Owner's Manual
Page 1
.../or Cooling System 13 If You Have A Problem ...15 Wiring Diagrams...16 ® U.S. CT8775A,C THE DIGITAL ROUND™ NON-PROGRAMMABLE THERMOSTATS CT8775A Heat Only Thermostat (20 to 30 Vac) and CT8775C Heating-Cooling Thermostat (20 to 30 Vac) Para obtener un documento con las instrucciones en espa...ñol, por favor visite nuestro sitio de web a: www.honeywell.com/yourhome. Pour obtenir des ...
.../or Cooling System 13 If You Have A Problem ...15 Wiring Diagrams...16 ® U.S. CT8775A,C THE DIGITAL ROUND™ NON-PROGRAMMABLE THERMOSTATS CT8775A Heat Only Thermostat (20 to 30 Vac) and CT8775C Heating-Cooling Thermostat (20 to 30 Vac) Para obtener un documento con las instrucciones en espa...ñol, por favor visite nuestro sitio de web a: www.honeywell.com/yourhome. Pour obtenir des ...
Owner's Manual
Page 3
... (120/240 line volt)b Single Stage Heat Pump Multistage Heat Pumps/Multistage Equipment Compatibility with CT8775A Yes No Yesa Yes Yes No No No No No Compatibility with CT8775C Yes Yes Yesa Yes Yes No Yes No Yes No aCompatible with any 120/240 volt ... FOR INSTALLATION ❑ Check Table 1, the compatibility chart, to make sure the thermostat is not compatible, call Honeywell Customer Care, toll-free, 1-800-468-1502. b Not compatible with 2-wire Honeywell zone valves. Package Contents • Thermostat • Wiring labels Tools for Installation • Screwdriver • Needle...
... (120/240 line volt)b Single Stage Heat Pump Multistage Heat Pumps/Multistage Equipment Compatibility with CT8775A Yes No Yesa Yes Yes No No No No No Compatibility with CT8775C Yes Yes Yesa Yes Yes No Yes No Yes No aCompatible with any 120/240 volt ... FOR INSTALLATION ❑ Check Table 1, the compatibility chart, to make sure the thermostat is not compatible, call Honeywell Customer Care, toll-free, 1-800-468-1502. b Not compatible with 2-wire Honeywell zone valves. Package Contents • Thermostat • Wiring labels Tools for Installation • Screwdriver • Needle...
Owner's Manual
Page 5
... wires on a zoned hot water heating system If you are replacing a thermostat that is connected to three wires on a zoned hot water heating system, the CT8775A,C thermostats will work if an isolation relay is not compatible with this application. For details, call your thumb on the top between the wallplate and.... Continue with the old terminal designation. SEPARATE WALLPLATE FROM THERMOSTAT ❑ Remove cover from the thermostat by setting the thermostat fan switch to ON, the CT8775C Thermostat will only work with your system.
... wires on a zoned hot water heating system If you are replacing a thermostat that is connected to three wires on a zoned hot water heating system, the CT8775A,C thermostats will work if an isolation relay is not compatible with this application. For details, call your thumb on the top between the wallplate and.... Continue with the old terminal designation. SEPARATE WALLPLATE FROM THERMOSTAT ❑ Remove cover from the thermostat by setting the thermostat fan switch to ON, the CT8775C Thermostat will only work with your system.
Owner's Manual
Page 9
... cool. (Single stage heat pump only). installation. Call 1-800468-1502. If wires were connected to both O and B when wiring to Terminals Connect To Terminals on CT8775A on CT8775C R R (see Note 3) Do not connect. Connect O to Rc. 2. W - - - - Rc (see Note 2) W Y G O B (see Note 2) Power Description - Call 1-800468-1502. installation. cal tape and do not...
... cool. (Single stage heat pump only). installation. Call 1-800468-1502. If wires were connected to both O and B when wiring to Terminals Connect To Terminals on CT8775A on CT8775C R R (see Note 3) Do not connect. Connect O to Rc. 2. W - - - - Rc (see Note 2) W Y G O B (see Note 2) Power Description - Call 1-800468-1502. installation. cal tape and do not...
Owner's Manual
Page 10
... heat cycle rate or the Fahrenheit/Celsius indication, locate DIP switch 1, 2 and 3 on the wallplate (see Fig. 3). See Fig. 4. CUSTOMIZE THE THERMOSTAT Set Fuel Switch (CT8775C Only) ❑ To adjust the fuel switch, locate the switch labeled E/F on the back of the thermostat. The E setting allows the fan to E. See Table...
... heat cycle rate or the Fahrenheit/Celsius indication, locate DIP switch 1, 2 and 3 on the wallplate (see Fig. 3). See Fig. 4. CUSTOMIZE THE THERMOSTAT Set Fuel Switch (CT8775C Only) ❑ To adjust the fuel switch, locate the switch labeled E/F on the back of the thermostat. The E setting allows the fan to E. See Table...