residential
THERMOSTAT
Digital T1050
Thermostat
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5+2 Day |
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PROGRAMMABLE |
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up to 2-heat |
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& 2-cool |
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HEAT |
HEAT |
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COOL |
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PUMP |
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Back-Lit display |
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One For All Works with |
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Virtually All Equipment |
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5 minute Built-In |
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Control up to 2 heat & 2 Cool Stages |
Compressor Protection |
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Non-Volatile memory |
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4 Settings Per Day |
Dual setpoint with |
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Self-prompting programming |
adjustable deadband |
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Auto changeover |
Keypad lockout |
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Separate weekday, Saturday |
‘O’ or ‘B’ Terminal |
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& Sunday programming |
Display either F or C |
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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
MANUAL
Venstar Inc. 08/07
Table Of Contents
FRONT PANEL |
2 |
DISPLAY |
3 |
QUICK START Set the clock and go |
5 |
SELECTING THE HEAT |
6 |
OR COOL MODE |
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BASIC OPERATION |
7 |
PROGRAMMING A DAILY |
8 |
SCHEDULE |
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ADVANCED SETUP |
11 |
ABOUT ADVANCED FEATURES |
15 |
& OPERATION |
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WARRANTY |
19 |
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
Front Panel
I2:00 Am |
74 |
Mo |
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72 |
COOL |
AUTO |
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70HEAT |
Liquid Crystal Display
with Thermoglow
Up/Down Buttons
Mode Button
Fan Button
Heat or Cool Indicator
Red = Heat, Green = Cool
Page 2
Display
I8:88PmAm Night 88 
SuMoTuWeThFrSa Setup
o COOL
AUTO
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Locked |
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ONOFF |
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ProgramOn |
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HEAT |
Morning Day Evening |
88 |
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.
PROGRAM ON - Indicates the time period program is enabled to run.
OFF - Indicates heating and cooling are turned off.
Clock with Day of the Week - Page 5
Indicates the current time and day. This clock is also used to program the time period schedules.
Room Temperature Display
Indicates current room temperature.
Desired Set Temperature - Page 7
Indicates desired room temperature(s).
Page 3
Display
I8:88PmAm Night 88
SuMoTuWeThFrSa Setup
o COOL
AUTO
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Locked |
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ONOFF |
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ProgramOn |
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HEAT |
Morning Day Evening |
88 |
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. When Fan On is not lit - indicates the fan will only operate when necessary to heat or to cool.
Locked icon - Page 18
Indicates the keypad has been locked.
Page 4
Quick Start Set the Clock and Go
Press the MODE and FAN buttons at the same time
MODE |
FAN |
for two seconds to enter |
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Setup screens. |
Setting the Clock
I2:00 Am
Setup
Tip: To change hours quickly, press and hold the FAN button and press the UP or DOWN buttons.
Setting the Day
Mo |
Setup |
During Setup & Programming:
Pressing the UP or DOWN butt ons will modify th e flashing selection.
To adjust the
Clock or Day use
Press
MODE
buttons.
Press the MODE |
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and FAN buttons MODE |
FAN |
at the same time |
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t o r e t u r n t o |
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normal operation. |
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The thermostat is preprogrammed from the factory to operate one or two stage equipment* without the need for further programming. To optimize the installation of this thermostat, follow the instructions in the Advanced Setup section.
*The thermostat is not preprogrammed from the factory to operate electric heat or heat pump systems. To control these systems, follow the steps in the Advanced Setup section, pages 11 & 12.
Page 5
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