Venstar T1050 Owner's Manual
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Venstar T1050 Owner's Manual

5+2 day programmable up to 2-heat & 2-cool
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Table of Contents

See also: Instruction and Installation Manual
Enlarged version
Digital
Digital
Thermostat
Thermostat
Control up to 2 heat & 2 Cool Stages
4 Settings Per Day
Self-prompting programming
Auto changeover
Separate weekday, Saturday
& Sunday programming
Use with most Air Conditioning & Heating Systems including: 1 or 2 Stage
Electric Cooling & 2 Stage Gas Heating, Heat Pump, Electric or Hydronic Heat.
OWNER'S
OWNER'S
MANUAL
MANUAL
residential
THERMOSTAT
5
2 Day
5
2 Day
+
+
PROGRAMMABLE
PROGRAMMABLE
up to
2-heat
up to
2-heat
& 2-cool
& 2-cool
HEAT
COOL
Back-Lit display
One For All Works with
Virtually All Equipment
5 minute Built-In
Compressor Protection
Non-Volatile memory
Dual setpoint with
adjustable deadband
Keypad lockout
'O' or 'B' Terminal
Display either F or C
Venstar Inc. 08/07
T1050
HEAT
PUMP

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Summary of Contents for Venstar T1050

  • Page 1 & Sunday programming Display either F or C Use with most Air Conditioning & Heating Systems including: 1 or 2 Stage Electric Cooling & 2 Stage Gas Heating, Heat Pump, Electric or Hydronic Heat. OWNER’S OWNER’S MANUAL MANUAL Venstar Inc. 08/07...

  • Page 2: Table Of Contents

    SCHEDULE ADVANCED SETUP ABOUT ADVANCED FEATURES & OPERATION WARRANTY CAUTION Follow Installation Instructions carefully. DISCONNECT POWER TO THE HEATER - AIR CONDITIONER BEFORE REMOVING THE OLD THERMOSTAT AND INSTALLING WARNING THE NEW THERMOSTAT. Venstar Inc. 08/07 P/N T1050 Page 1...

  • Page 3: Front Panel

    Front Panel I2:00 AUTO Liquid Crystal Display with Thermoglow Up/Down Buttons Mode Button Fan Button Heat or Cool Indicator Red = Heat, Green = Cool Page 2...

  • Page 4: Display

    Display I8:88 Night Setup SuMoTuWeThFrSa AUTO Locked ONOFF Program Morning Evening Fan On Mode Indicators - Page 6 Selects the operational mode of the equipment. HEAT - Indicates the heating mode. COOL - Indicates the air conditioning mode. AUTO - Indicates the system will automatically changeover between heat and cool modes as the temperature varies.
  • Page 5 Display I8:88 Night Setup SuMoTuWeThFrSa AUTO Locked ONOFF Program Morning Evening Fan On Morning, Day, Evening & Night icons - Pages 8-10 Indicates the day part of the time period program. Setup icon - Pages 11-13 Indicates the thermostat is in the setup mode. Fan On icon - Page 7 Indicates constant, continuous fan operation.

  • Page 6: Quick Start Set The Clock And Go

    Quick Start Set the Clock and Go Press the MODE and FAN During Setup & Programming: buttons at the same time MODE for two seconds to enter Pressing the UP or DOWN Setup screens. butt ons will modify th e flashing selection.

  • Page 7: Selecting The Heat Or Cool Mode

    Selecting the Heat or Cool Mode Select Mode by Pressing the MODE Button I2:00 Heating Only The HEAT setting indicates the temperature the room has to reach before the furnace will Press turn on to heat the room. MODE I2:00 Cooling Only The COOL setting indicates the temperature the room has to...

  • Page 8: Basic Operation

    Basic Operation Selecting Your Desired Temperature (adjusting the setpoints) AUTO OR PROGRAM MODE Pressing the UP or DOWN buttons in Auto or Program mode will adjust both the heat and cool set temperatures simultaneously. Adjust the desired I2:00 set temperature with the AUTO buttons.

  • Page 9: Programming A Daily Schedule

    Programming a Daily Schedule Press the MODE button. While holding MODE, press the UP button for two seconds to enter MODE time period programming. MoTuWeThFr Select day of the week. MoTuWeThFr = Weekday schedule SaSu = Weekend schedule Press MODE 6:00 MoTuWeThFr Adjust the start time...
  • Page 10 Programming a Daily Schedule 8:00 MoTuWeThFr Adjust the start time for Day. Press MODE 8:00 MoTuWeThFr Adjust the cooling setpoint for Day. (35 - 99 ) Press MODE 8:00 MoTuWeThFr Adjust the heating setpoint for Day. (35 - 99 ) Press MODE 6:00...
  • Page 11 Programming a Daily Schedule 6:00 MoTuWeThFr Adjust the heating setpoint for Evening. (35 - 99 ) Evening Press MODE I0:00 Night MoTuWeThFr Adjust the start time for Night. Press I0:00 MODE Night MoTuWeThFr Adjust the cooling setpoint for Night. (35 - 99 ) Press MODE I0:00...

  • Page 12: Advanced Setup

    Advanced Setup Pr e s s t h e M O D E MODE button. While holding NOTE: Each step # is located at MODE, press the FAN the top right corner of the button for 10 seconds display for easy reference. to enter setup screens.
  • Page 13 Advanced Setup Select the reversing valve Setup polarity for Heat Pump operation: O = Energize in cooling b = Energize in heating Press (Step 4 only appears if heat pump is on in step 3) MODE Select Electric Heat operation: Setup On = 1st stage electric heat Off = 1st stage gas heat...
  • Page 14 Advanced Setup Select the cycles per hour limit: Setup d=cycles per hour limit defeated d1=d + defeat 5 min. compressor lockout (d1, d, 2 - 6) Press MODE Setup Select backlight operation: ON - Light continuously OFF - Light for 8 seconds after a button press Press MODE...

  • Page 15: Advanced Setup Table

    Advanced Setup Advanced Setup Table Step # Description Range Factory Default Time of Day 24 hour 12:00 am Day of the Week Mo - Su Heat Pump Off / On Reversing Valve Polarity O / b Electric Heat Off / On Deadband/Temp.

  • Page 16: About Advanced Features & Operation

    About Advanced Features & Operation CALIBRATION - Under normal circumstances it will not be necessary to adjust the calibration of the temperature. If calibration is required, please contact a trained HVAC technician to correctly perform the following procedure. I2:00 Press the MODE button once.
  • Page 17 About Advanced Features & Operation Heating Cooling Deadband Deadband Deadband Deadband db 2 db 1 db 1 db 2 (non-adj. 2 ) (adj. 1-6 ) (adj. 1-6 ) (non-adj. 2 ) 1st Stage 2nd Stage 1st Stage Heat Cool 2nd Stage turn on turn on turn on...
  • Page 18 About Advanced Features & Operation FACTORY DEFAULTS - If, for any reason, you desire to return all the stored settings back to the factory default settings, follow the instructions below. WARNING: This will reset all Time Period and Advanced Programming to the default settings.
  • Page 19 About Advanced Features & Operation KEYPAD LOCKOUT - To prevent unauthorized use of the thermostat, the front panel buttons may be disabled. To disable, or ‘lock’ the keypad, press and hold the MODE button. While holding the MODE button, press the UP and DOWN buttons together. The LOCKED icon will appear on the display, then release the buttons.

  • Page 20: Warranty

    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 provided without charge for the part itself provided the defective part is returned to the distributor through a qualified servicing dealer.

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