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). -- 1 = 24-hour clock. M13345 To change time format: Press once. Press Run Program to return to main display. 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 . (Tapping the Set Current Day/Time Press time increments). Press Run Program will advance the time in one hour STEP 9. PROGRAMMING The keyboard is located behind the thermostat cover. The three most frequently used keys are near the display. Pressing displays the current temperature settings. Pressing the and keys change the temperature. 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. The thermostat default settings are shown in parentheses ( ). [. . . ] 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. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. M10618 1 2 3 COOL CHANGEOVER VALVE POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. [. . . ]