User manual HONEYWELL T8090T

[. . . ] Zone Thermostat Heating/Cooling Thermostat and Subbase or Wallplate Model T8090T OWNER'S MANUAL 69-0432-1 Welcome to the world of energy savings with your new Honeywell Trol-A-Temp Zone® Thermostat. Your new thermostat will automatically control the temperature in your home to provide a high level of comfort plus energy savings when programmed according to the instructions in this manual. With zone control, you heat or cool each zone or living area only when needed. The independent control of each zone provides additional energy savings. Recycling Notice M3375 This control contains mercury in a sealed tube. [. . . ] The red pins start the high-temperature period; the blue pins start the low-temperature period. A red 11 PROGRAM PINS THERMOSTAT COVER PROGRAM PIN STORAGE TIME INDICATOR ARROW M8692 PROGRAM PIN SLOT PROGRAM INDEX WHEEL MANUAL PROGRAM ADVANCE BUTTON Fig. 4--Program components. 69-0432--1 pin is inserted at 6:00 AM for high temperature (comfort period); a blue pin is inserted at 10:00 PM for low temperature (energy saving period). Two additional sets of pins are located in the program pin storage area. You can set up to six temperature changes with the pins supplied. We recomment at least five hours for each energy saving period. To change the pins add a new energy saving period. To remove a pin, press against the program dial and pull the pin straight out. DO NOT attempt to change a pin if it is engaged with the program index wheel. On heating/cooling systems, be sure to reset the pins when the seasons change. You will also probably want to change the lever positions. 12 69-0432--1 Setting the Heating Program Decide when you want the temperature to reach the comfort level. Find the notch on the dial that is one-half hour before this time and insert a red pin. The half-hour head start gives the furnace time to heat the house before you wake up or arrive home. Decide when you want the energy saving period to start and insert a WINTER SUMMER blue pin at the notch that correPROGRAM PROGRAM TEMPERATURE PIN IN TEMPERATURE PIN IN sponds to this time. After the blue CONTROL °F °C CONTROL °F °C pin engages, the furnace will be off 58 27 BLUE 80 14 RED BEGINS NIGHT until room temperature drops to the ENERGY 10:00 PM energy saving setpoint. SAVING ENDS 68 24 RED 75 20 BLUE PERIOD 6:00 AM You can set both a day and a night DAY BEGINS 58 27 BLUE 80 14 RED program. SAVING ENDS PERIOD 4:00 PM 68 20 RED 75 24 BLUE M626A Fig. 5--Programming examples. 13 69-0432--1 Setting the Cooling Program Decide when you want the temperature to reach the comfort level. Find the notch on the dial that is one-half hour before this time and insert a blue pin. The half-hour head start gives the air conditioner time to cool the house before you wake up or arrive home. Decide when you want the energy saving period to start and insert a red pin at the notch that corresponds to this time. After the red pin engages, the air conditioner will be off until the room temperature rises to the energy saving setpoint. Start or End Programs With Manual Program Advance Button IMPORTANT To prevent damage to the program advance mechanism, DO NOT use the program advance button within a 30-minute period before or after a program change. [. . . ] Move temperature setting levers on the appropriate zone thermostat 5° F [3° C] below room temperature. Cooling should start; damper should open. IF SYSTEMS DO NOT OPERATE, CONTACT A QUALIFIED SERVICE TECHNICIAN. (continued) 17 69-0432--1 Troubleshooting (continued) PROBLEM No cooling. 2 CHECK --system switch. [. . . ]