Honeywell Digital Round
• Non-Programmable Thermostats.
The T8775A Thermostat provides 24V control of heating only systems. The T8775C Thermostat provides single-stage temperature control for 24V systems with
manual changeover from heat to cool.
Attractive styling complements any decor.
Large easy-to-read display. The temperature reading is easily seen from a distance.
Backlit display. On-demand backlighting makes it easy to read the display in a dark room or hallway.
System and Fan switches on the T8775C model.
No batteries required. The temperature setting is held permanently in memory in the event of a power failure.
Selectable heating cycle rates (1, 3, 6, 9 cph) for a variety of applications.
F or C temperature display for added model flexibility.
Manual changeover from heat to cool on T8775C model.
Easy installation, set up and 5-minute compressor bypass saves time and increases installer productivity.
Easily configurable by the use of DIP switches.
Cooling cycle rate is fixed at 3 cph. This is the standard compressor setting for quick installations.
Minimum off-time for compressors in the cooling mode. Protects the equipment and extends the equipment life.
Powered through heating-cooling system controls.
Decorative cover plate is available to cover marks on the wall or to mount the T8775 Thermostat onto an electrical box.
Application 24 Vac gas, oil and electric heating with cooling, including 1 heat/1 cool heat pumps.
Mounting Front wired .
Changeover Manual .
Color Premier White
Terminal Designations R, Rc, W, Y, G, O, B .
Setting Temperature Range (F) 40 F to 90 F in heating; 45 F to 99 F in cooling.
Setting Temperature Range (C) 4.5 C to 32 C in heating; 7 C to 37 C in cooling.
Electrical Ratings (Vac) 20 to 30 Vac
Cycles per Hour Adj. 1,3,6,9
Includes Wallplate, 4074FAB resistor, mounting screws and wall anchors.
Power Method Powered through heating-cooling system controls.
Switch Positions (Fan) AUTO-ON.
Switch Positions (System) OFF-HEAT-COOL.
Switch Type Electronic.
Comments Large easy-to-see backlit display.
Stages 1 Heat/1 Cool.
Tradeline Value Tradeline.
Operating Temperature Range (F) 40 F to 110 F.
Operating Temperature Range (C) 4.5 C to 43.3 C.
Replaces Part Numbers: CART8775C1005.