Venstar T1035 Owner's Manual
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Venstar T1035 Owner's Manual

Residential digital thermostat
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See also: Instruction and Installation Manual
Enlarged version
Digital
Digital
Thermostat
Thermostat
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
OWNER'S
MANUAL
MANUAL
Venstar Inc. 05/08
residential
THERMOSTAT
T1035
5+2 DAY
5+2 DAY
PROGRAMMABLE
PROGRAMMABLE
up to
1-heat
up to
1-heat
& 1-cool
& 1-cool
HEAT
HEAT
COOL
PUMP

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Do you have a question about the T1035 and is the answer not in the manual?

Questions and answers

THOMAS SWIENTEK
January 26, 2025

THERMOSTAT CONTROLS , FURNACE TURNS ON AT 1DEGREE DIFERENCE THEN SETTING , I PRFER 2 TO 3 DEGREES HOW DO I RESET IT

0

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Summary of Contents for Venstar T1035

  • Page 1 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 OWNER’S MANUAL MANUAL Venstar Inc. 05/08...

  • Page 2: Table Of Contents

    OWNER'S MANUAL T1035 Contents Page # Page # 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 3: Safety Warnings

    OWNER'S MANUAL T1035 Safety Warnings P/N 1035 Follow Installation Instructions carefully. CAUTION DISCONNECT POWER TO THE HEATER - AIR CONDITIONER BEFORE REMOVING THE OLD THERMOSTAT AND INSTALLING WARNING THE NEW THERMOSTAT. CAUTION The two Alkaline “AA” batteries must be replaced at least once every 12 months to ensure proper operation.

  • Page 4: Location Of Controls

    OWNER'S MANUAL T1035 Location of Controls PROGRAM SWITCH RUN program DISPLAY MODE SWITCH Program OFF Cool, Off or Heat SET program COOLER & WA R M E R I2:00 BUTTONS BI-COLOR LED Heat or Cool demand indicator when system powered: Red = Heat...

  • Page 5: Display

    OWNER'S MANUAL T1035 Display I2:00 Morning Evening MTuWThF SaSu FILTER Night 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.

  • Page 6: Normal Operation

    OWNER'S MANUAL T1035 Normal Operation PROGRAM SWITCH MODE SWITCH RUN program Cool, Off or Heat Program OFF SET program I2:00 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.

  • Page 7: Programmed Operation

    OWNER'S MANUAL T1035 Normal Operation PROGRAM SWITCH MODE SWITCH RUN program Cool, Off or Heat Program OFF SET program I2:00 COOLER & WA R M E R BUTTONS FAN SWITCH On or Auto Programmed Operation Select Cool or Heat with the Mode Switch.

  • Page 8: Clock Set

    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 Use these buttons to adjust the current time. Press NEXT...

  • Page 9: Time Period 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.

  • Page 10: Weekday Programming

    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 Morning to advance Use these buttons to MTuWThF adjust the start time for the morning time period.
  • Page 11 OWNER'S MANUAL T1035 Time Period Programming Weekday Programming Press NEXT 8:00 to advance Use these buttons to MTuWThF adjust the cool setpoint for the day time period. COOL Press NEXT 8:00 to advance Use these buttons to MTuWThF adjust the heat setpoint for the day time period.
  • Page 12 OWNER'S MANUAL T1035 Time Period Programming Weekday Programming 6:00 Evening Press NEXT Use these buttons to to advance MTuWThF adjust the heat setpoint for the evening time period. HEAT I0:00 Press NEXT Use these buttons to MTuWThF to advance adjust the start time for Night the night time period.

  • Page 13: Weekend Programming

    OWNER'S MANUAL T1035 Time Period Programming Weekend Programming 6:00 Morning Press NEXT Use these buttons to to advance SaSu adjust the start time for the morning time period. 6:00 Morning Press NEXT Use these buttons to to advance SaSu adjust the cool setpoint for the morning time period.
  • Page 14 OWNER'S MANUAL T1035 Time Period Programming Weekend Programming 8:00 Press NEXT Use these buttons to to advance SaSu adjust the cool setpoint for the day time period. COOL 8:00 8 00 Press NEXT Use these buttons to SaSu to advance...
  • Page 15 OWNER'S MANUAL T1035 Time Period Programming Weekend Programming 6:00 Evening Press NEXT Use these buttons to to advance SaSu adjust the heat setpoint for the evening time period. HEAT I0:00 Press NEXT Use these buttons to to advance SaSu adjust the start time for Night the night time period.
  • Page 16 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. 2) Do not run the time period program. The thermostat will operate as a manual heat or cool thermostat.

  • Page 17: Advanced Setup

    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.
  • Page 18 OWNER'S MANUAL T1035 Actual hours of fan operation Press NEXT Press RESET Press and hold the RESET to advance FILTER FILTER button to reset FILTER the filter counter to 0 and remove the icon FILTER from the display. Adjust the number of hours...

  • Page 19: Factory Defaults

    OWNER'S MANUAL T1035 CAUTION 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.

  • Page 20: Calibration

    OWNER'S MANUAL T1035 CAUTION 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.

  • Page 21: Battery Replacement

    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).

  • Page 22: Warranty

    OWNER'S MANUAL T1035 Warranty One-Year Warranty - This Product is warranted to be free from defects in material and workmanship. If it appears within one year from the date of original installation, whether or not actual use begins on that date, that the product does not meet this warranty, a new or remanufactured part, at the manufacturer’s sole option to replace any defective part, will be...
  • Page 23 Programming Worksheet see page 9 PERIOD START TIME COOL HEAT Morning Monday Tuesday Wednesday Evening Thursday Friday Night Morning Saturday Sunday Evening Night Printed on recycled paper. P/N 88-633 Rev. 3...

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