Venstar T1045 Owner's Manual
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Venstar T1045 Owner's Manual

Venstar T1045 Owner's Manual

Digital programmable thermostat
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See also: Instruction and Installation Manual
Enlarged version
Digital
Digital
Thermostat
Thermostat
Stages: 2-Heat, 1-Cool
Battery or System Powered
Auxiliary Heat Indicator
Back-Lit Digital Display
Fahrenheit or Celsius
Service Filter Indicator
Bi-Color LED
(when system powered)
Use with most 1 or 2 Stage Heat Pump Heat and 1 stage Heat Pump Cool units
OWNER'S
OWNER'S
MANUAL
MANUAL
Venstar Inc. 05/08
residential
THERMOSTAT
T1045
5+2 DAY
5+2 DAY
PROGRAMMABLE
PROGRAMMABLE
up to
up to
2-heat
2-heat
& 1-cool
& 1-cool
HEAT
HEAT
PUMP
PUMP

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  • Page 1 Auxiliary Heat Indicator Back-Lit Digital Display Fahrenheit or Celsius Service Filter Indicator Bi-Color LED (when system powered) Use with most 1 or 2 Stage Heat Pump Heat and 1 stage Heat Pump Cool units OWNER’S OWNER’S MANUAL MANUAL Venstar Inc. 05/08...

  • Page 2: Table Of Contents

    OWNER'S MANUAL T1045 Contents Page # Safety Warnings Location of Controls Display Normal Operation Manual Operation Programmed Operation Aux Heat 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 T1045 Safety Warnings P/N T1045 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 T1045 Location of Controls AUX HEAT PROGRAM SWITCH SWITCH RUN program Emergency Normal Program OFF Set program Lockout MODE SWITCH DISPLAY Cool, Off or Heat COOLER & WA R M E R I2:00 BUTTONS BI-COLOR LED Heat or Cool demand...

  • Page 5: Display

    OWNER'S MANUAL T1045 Display I2:00 Morning Evening MTuWThF SaSu FILTER Night HEAT COOL Day of the week. MTuWThF represent the five week- days 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 T1045 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 T1045 Normal Operation PROGRAM SWITCH MODE SWITCH RUN program Cool, Off or Heat Program OFF SET program I2:00 HEAT COOLER & WA R M E R BUTTONS FAN SWITCH On or Auto Programmed Operation Select Cool or Heat with the Mode Switch.

  • Page 8: Aux Heat

    OWNER'S MANUAL T1045 Aux Heat I2:00 AUX HEAT HEAT SWITCH Emergency Normal Lockout Emergency - Disables all compressor functions and energizes only Aux Heat to satisfy the heat demand. Normal - Aux Heat is allowed to run, if necessary, along with the heat pump to satisfy the heat demand.

  • Page 9: Clock Set

    OWNER'S MANUAL T1045 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 10: Time Period Programming

    OWNER'S MANUAL T1045 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 11: Weekday Programming

    OWNER'S MANUAL T1045 Time Period Programming Weekday Programming Setting the time & day are the first two steps after sliding the Program Switch to SET (page 9). 6:00 Press NEXT Morning to advance Use these buttons to MTuWThF adjust the start time for the morning time period.
  • Page 12 OWNER'S MANUAL T1045 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 13 OWNER'S MANUAL T1045 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 14: Weekend Programming

    OWNER'S MANUAL T1045 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 15 OWNER'S MANUAL T1045 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 16 OWNER'S MANUAL T1045 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 17 OWNER'S MANUAL T1045 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 18: Advanced Setup

    OWNER'S MANUAL T1045 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 19 OWNER'S MANUAL T1045 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 20: Factory Defaults

    OWNER'S MANUAL T1045 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 21: Calibration

    OWNER'S MANUAL T1045 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 22: Battery Replacement

    OWNER'S MANUAL T1045 Battery Replacement 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 23: Warranty

    OWNER'S MANUAL T1045 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 24 Programming Worksheet see page 10 PERIOD START TIME COOL HEAT Morning Monday Tuesday Wednesday Evening Thursday Friday Night Morning Saturday Sunday Evening Night Printed on recycled paper. P/N 88-636 Rev. 3...

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