User manual HONEYWELL CT3550

[. . . ] Honeywell CT3550 PROGRAMMABLE THERMOSTAT OWNER'S GUIDE Weekday, Saturday and Sunday Programmable Heat and/or Cool Low Voltage (20 to 30 Vac) Thermostat and Wallplate Model CT3550 Para pedir estas instrucciones en español, llame al 1-800-468-1502. Pour obtenir ce ode demploi en français, composer le 1-800-468-1502. Table of Contents Step 1. Prepare for Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Remove Old Thermostat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] to move to next feature or Run Program Press Time to return to main display. Time Format (Feature Number 16) Time format options are: -- 0 = 12-hour clock (preset). 12 69-1284--2 Factory Set Function (Feature Number 37) Do not change this setting. STEP 8. SET THE CLOCK Set Current Day and Time NOTE: Press Press On initial power-up, the screen flashes 1:00 pm until you press a key. Set Current Day/Time Day M13346 . The thermostat displays day, time, program period, temperature, system and fan settings. There is an individual key for each of the four program periods: --The program period when you want the house at a comfortable temperature when you get up and while you Wake get ready for work or school. (This is a higher temperature during the heating season and a lower temperature during the cooling season). --The program period you can set for an energy-saving temperature while you are away at work or school. Leave (This is a lower temperature during the heating season and a higher temperature during the cooling season). --The program period when you want the house at a comfortable temperature for activities before bedtime. Return (This is a higher temperature during the heating season and a lower temperature during the cooling season). --The program period you can set for an energy-saving temperature while you sleeping. (This is a lower Sleep temperature during the heating season and a higher temperature during the cooling season). 13 69-1284--2 Table 3 can be helpful when planning your schedule of time and temperature settings. Period Wake Default Setting Time (6:00AM) Heata (70°F/21°C) Coolb (78°F/25. 5°C) Leave Time (8:00AM) Heata (62°F/16. 5°C) Coolb (85°F/29. 5°C) Return Time (6:00PM) Heata (70°F/21°C) Coolb (78°F/25. 5°C) Sleep Time (10:00PM) Heata (62°F/16. 5°C) Coolb (82°F/28°C) a b Weekday (Mon-Fri) Saturday (Sat) Sunday (Sun) Your heating setpoints cannot be higher than 90°F (32°C) or lower than 40°F (4. 5°C). Your cooling setpoints cannot be higher than 99°F (37°C) or lower than 45°F (7°C). Program Weekdays Start by programming the wake time and temperature for weekdays. Press and release Press Day Wake . until the (Mon-Fri) displays. or key until the desired time shows in the display. Press Time NOTE: Program times are in 15 minute intervals. 14 69-1284--2 Press or until the desired wake temperature displays. The setpoint temperature range is 40°F to 90°F (4. 5°C to 32°C) for heating and 45°F to 99°F (7°C to 37°C) for cooling. Press NOTE: Press Press NOTE: Press Heat/Cool Settings to switch between setpoints. Program times are the same for heating and cooling. until the fan is at the desired setting (On or Auto). Setting Fan to On runs the system fan continuously in the program periods. Leave , Return or Sleep and repeat these steps for each time period. Your weekday is now programmed. Program Saturday and Sunday Repeat each step in Program Weekdays for Saturday and Sunday. Press Run Program when the entire week is programmed. Clear a Program Period NOTE: Press Press Wake cannot be cleared. Leave , Return , or Sleep for the program period you want to clear. Day until the desired day displays (Mon-Fri Sat; Sun). Leave Press and hold the , Return , or Sleep for approximately 3 seconds until the time and temperature clear. Repeat the above steps for each period to be cleared. [. . . ] Customize Your Thermostat. System Operating in Comfort Mode 68°F Recovery Continues TEMPERATURE AM AM Mon Wake System Heat Room 66°F Recovery Begins 64°F System Operating in Energy Savings Mode 62°F Mon Sleep System Heat Room Mon Sleep System Heat Heat In Recovery AM Mon Sleep System Heat Heat In Recovery 1 Room AM Room 5:00 ENERGY SAVINGS PERIOD 5:30 6:00 6:30 COMFORT PERIOD RECOVERY FROM ENERGY SAVINGS TIME THERMOSTAT USES THE SAME SCHEME TO RETURN TO LOWER COMFORT TEMPERATURE DURING THE COOLING SEASON. 1 IF In Recovery IS DISPLAYED, PRESS TO SEE THE COMFORT SETPOINT. M18591 69-1284--2 20 WIRING DIAGRAMS 2-WIRE HEAT-ONLY (JUMPER INTACT) THERMOSTAT B RC O W Y R G 4-WIRE HEAT/COOL (JUMPER INTACT) THERMOSTAT B RC O W Y R G HEATING RELAY OR VALVE COIL HEATING RELAY OR VALVE COIL COOLING CONTACTOR COIL FAN RELAY 1 1 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. M10616 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. M10617 4-WIRE SINGLE-STAGE HEAT PUMP (JUMPER INTACT) THERMOSTAT B RC O W Y 3-WIRE HEAT ONLY WITH FAN (JUMPER INTACT) THERMOSTAT B RC O W Y R G R 3 G 2 COMPRESSOR CONTACTOR FAN RELAY HEAT CHANGEOVER VALVE HEATING RELAY OR VALVE COIL FAN RELAY 1 1 2 1 POWER SUPPLY. [. . . ]