residential THERMOSTAT Digital Thermostat T1035 5+2 DAY PROGRAMMABLE up to 1-heat & 1-cool HEAT COOL HEAT PUMP Stages: 1-Heat, 1-Cool Battery or System Powered Back-Lit Digital Display Fahrenheit or Celsius Service Filter Indicator Bi-Color LED (when system powered) Use with most Air Conditioning & Heating Systems including: 1 or Stage Electric Cooling & 1 Stage Gas Heating, Heat Pump, Electric or Hydronic Heat. OWNER’S MANUAL Venstar Inc.
OWNER'S MANUAL T1035 Contents Safety Warnings Location of Controls Display Normal Operation Manual Operation Programmed Operation Clock Set Time Period Programming Overview Weekday Programming Weekend Programming Advanced Setup Advanced Features Factory Defaults Calibration Battery Replacement Warranty Page 2 Page # Page #
OWNER'S MANUAL T1035 Safety Warnings P/N 1035 CAUTION Follow Installation Instructions carefully. DISCONNECT POWER TO THE HEATER AIR CONDITIONER BEFORE REMOVING THE OLD THERMOSTAT AND INSTALLING THE NEW THERMOSTAT. WARNING CAUTION The two Alkaline “AA” batteries must be replaced at least once every 12 months to ensure proper operation. The Low Battery icon (fig. 1) will appear on the display when it is time to replace the batteries. If the thermostat is connected to FIG.
OWNER'S MANUAL T1035 Location of Controls DISPLAY : I2:00 PROGRAM SWITCH RUN program MODE SWITCH Program OFF Cool, Off or Heat SET program COOLER & WA R M E R BUTTONS PM Su BI-COLOR LED Heat or Cool demand indicator when system powered: Red = Heat Green = Cool FAN SWITCH NEXT BUTTON On or Auto For programming How to Use: The NEXT button is used to advance from one step to the next in the programming and advanced setup screens (pgs 918).
OWNER'S MANUAL T1035 Display 88 : I2:00 MTuWThF 88 Day Night FILTER AM PM MorningEvening SaSu SET HEAT COOL Day of the week. When programming, MTuWThF represent the five weekdays and SaSu represent the two weekend days. Heat and Cool indicators. In normal operation, Heat or Cool appears, depending on the Mode Switch position. When heat or cool is energized, the Heat or Cool indicator will flash.
OWNER'S MANUAL T1035 Normal Operation PROGRAM SWITCH RUN program Program OFF SET program : I2:00 MODE SWITCH Cool, Off or Heat PM Su COOLER & WA R M E R BUTTONS FAN SWITCH On or Auto Manual Operation (Program Switch OFF) Select Cool or Heat with the Mode Switch. Normally leave the fan switched to Auto. In Fan Auto, the fan will turn on only with a heat or cool demand. When Fan On is selected, the fan will run continuously. Adjust the desired set temperature with the COOLER and WARMER buttons.
OWNER'S MANUAL T1035 Normal Operation PROGRAM SWITCH RUN program Program OFF SET program : I2:00 MODE SWITCH Cool, Off or Heat PM Su COOLER & WA R M E R BUTTONS FAN SWITCH On or Auto Programmed Operation Select Cool or Heat with the Mode Switch. Select RUN with the Program Switch. Normally leave the fan switched to Auto. In Fan Auto, the fan will turn on only with a heat or cool demand. When Fan On is selected, the fan will run continuously. The desired set temperature may be temporarily overridden.
OWNER'S MANUAL T1035 Clock Set Slide the Program Switch to the SET position. Setting the time & day are the first two steps after sliding the Program Switch to SET. : 6:00 Press NEXT to advance PM Use these buttons to adjust the current time. To slew the time more rapidly, push and hold the COOLER or WARMER buttons. Use these buttons to adjust the current day. Su This thermostat is preprogrammed from the factory to operate 1-stage equipment without the need for further programming.
OWNER'S MANUAL T1035 Time Period Programming Overview PROGRAM SWITCH Slide the Program Switch to the SET position. The blinking icon(s) on the display may be changed by pressing the COOLER or WARMER buttons. After the blinking icon is changed to the desired selection, press the NEXT button. Each item in the time period programming screens will flash and can be modified with the COOLER & WARMER buttons. Continue the steps above until programming is complete.
OWNER'S MANUAL T1035 Time Period Programming Weekday Programming Setting the time & day are the first two steps after sliding the Program Switch to SET (page 8). : 6:00 Press NEXT to advance MTuWThF Press NEXT to advance MTuWThF : 6:00 AM Morning AM Morning Use these buttons to adjust the start time for the morning time period.
OWNER'S MANUAL T1035 Time Period Programming Weekday Programming Press NEXT to advance : 8:00 AM MTuWThF SET Day COOL Press NEXT to advance : 8:00 AM MTuWThF SET Day HEAT Press NEXT to advance : 6:00 PM Evening : 6:00 PM Use these buttons to adjust the heat setpoint for the day time period. Use these buttons to adjust the start time for the evening time period. MTuWThF Press NEXT to advance Use these buttons to adjust the cool setpoint for the day time period.
OWNER'S MANUAL T1035 Time Period Programming Weekday Programming Press NEXT to advance : 6:00 PM Evening MTuWThF SET HEAT Press NEXT to advance : I0:00 MTuWThF PM Use these buttons to adjust the start time for the night time period. Night Press NEXT to advance : I0:00 MTuWThF PM SET Night COOL Press NEXT to advance Use these buttons to adjust the heat setpoint for the evening time period.
OWNER'S MANUAL T1035 Time Period Programming Weekend Programming : 6:00 Press NEXT to advance SaSu Press NEXT to advance SaSu : 6:00 AM Morning AM Morning Use these buttons to adjust the start time for the morning time period. 8 SET COOL Press NEXT to advance : 6:00 AM Morning SaSu SET HEAT Press NEXT to advance : 8:00 Use these buttons to adjust the cool setpoint for the morning time period. Use these buttons to adjust the heat setpoint for the morning time period.
OWNER'S MANUAL T1035 Time Period Programming Weekend Programming Press NEXT to advance : 8:00 AM SaSu SET Day COOL Press NEXT to advance 8: 00 8:00 62 AM AM SaSu Day SaSu SET SET Day HEAT HEAT Press NEXT to advance Press NEXT to advance : 6:00 PM Evening 6: 00 6:00 SaSu PM PM Use these buttons to adjust the heat setpoint for the day time period. Use these buttons to adjust the start time for the evening time period.
OWNER'S MANUAL T1035 Time Period Programming Weekend Programming Press NEXT to advance : 6:00 PM SaSu Evening SET HEAT Press NEXT to advance : I0:00 PM Use these buttons to adjust the start time for the night time period. SaSu Night Press NEXT to advance : I0:00 PM SaSu SET Night COOL Press NEXT to advance : I0:00 SaSu Use these buttons to adjust the heat setpoint for the evening time period.
OWNER'S MANUAL T1035 Time Period Programming After you have completed setting the time period programming, you have two options: 1) Run the time period program by sliding the Program Switch to the RUN position. Or, 2) Do not run the time period program. The thermostat will operate as a manual heat or cool thermostat. Slide the Program Switch to OFF in this case.
OWNER'S MANUAL T1035 Advanced Setup This is normally done by the installer at initial installation. Enter advanced setup by sliding the Program Switch to SET. When the clock is flashing, press the NEXT button for 5 seconds. Do not release the button until this screen appears. Press NEXT to advance Use these buttons to adjust the deadband from 1 to 6 degrees. Use these buttons to adjust the Cycles Per Hour from 2 to 6. d=no limit (zoning) d1=d+no compressor lockout (page 18).
OWNER'S MANUAL Press NEXT to advance 0 T1035 Actual hours of fan operation Press RESET FILTER FILTER 0 SET FILTER Press and hold the RESET FILTER button to reset the filter counter to 0 and remove the FILTER icon from the display. Adjust the number of hours the blower will run before the FILTER icon appears on the display. 0 = off. Slide the Program Switch to OFF or RUN to exit Advanced Setup.
OWNER'S MANUAL CAUTION T1035 Factory Default If, for any reason, you desire to return all the stored settings back to the factory default settings, follow the instructions below. Enter advanced setup by sliding the Program Switch to SET. When the clock is flashing, press the NEXT button for 5 seconds. Do not release the button until this screen appears. Press NEXT to advance When the Cycles Per Hour is flashing, press and hold the NEXT button until this screen appears.
OWNER'S MANUAL CAUTION T1035 Calibration Under normal circumstances it will not be necessary to adjust the calibration of the temperature sensor. If calibration is required, please contact a trained HVAC technician to correctly perform the following procedure. Enter advanced setup by sliding the Program Switch to SET. When the clock is flashing, press the NEXT button for 5 seconds. Do not release the button until this screen appears.
OWNER'S MANUAL T1035 Battery Replacement The batteries are easily accessible from the battery slot located on the front of the thermostat (fig. 1). To open the battery slot, press down on the battery cover (fig. 1) and pull out (fig. 2). Pull out : I2:00 PM Su Press down Battery slot (Bottom View) FIG. 1 FIG. 2 Remove the old batteries and replace with the new AA alkaline batteries (fig. 3). New batteries in Old batteries out FIG.
OWNER'S MANUAL T1035 Warranty One-Year Warranty - This Product is warranted to be free from defects in material and workmanship.
Programming Worksheet DAY Monday Tuesday Wednesday Thursday Friday PERIOD START TIME COOL HEAT Morning Day Evening Night Morning Saturday Sunday see page 9 Day Evening Night Printed on recycled paper. P/N 88-633 Rev.
