Digital
Digital
Thermostat
Thermostat
residential
THERMOSTAT
000FST1
Single Day
Single Day
PROGRAMMABLE
PROGRAMMABLE
up to
up to
& 2-cool
& 2-cool
HEAT
COOL
Control up to 2 Heat &
2 Cool Stages
Single Day Programmable
4 Settings/Day
Auto Changeover
5 minute Built-In
Compressor Protection
Self-Prompting 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
Mounts Flush with the Wall
Back-Lit display
One For All Works with
Virtually All Equipment
Non-Volatile memory
Keypad lockout
Single or Dual setpoint
with Adjustable Deadband
‘O’ or ‘B’ Terminal
Optional: Outdoor Sensor
2-heat
2-heat
HEAT
PUMP
Table Of Contents
FRONT PANEL
DISPLAY
QUICK START Set the clock and go
SELECTING THE HEAT
OR COOL MODE
BASIC OPERATION
PROGRAMMING A DAILY
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
THE NEW THERMOSTAT.
Venstar Inc. 08/07
2
3
5
6
7
8
11
15
19
WARNING
P/N T1000FS
Page 1
Front Panel
Liquid Crystal Display
with Thermoglow
Up/Down Buttons
Mode Button
Fan Button
Heat or Cool Indicator
Red = Heat, Green = Cool
Temperature Sensor
Page 2
Display
Am
Night
I8:88
Pm
Setup
88
o
COOL
AUTO
Locked
ONOFF
Program
Morning
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.
Day
Evening
On
HEAT
88
Room Temperature Display
Indicates current room temperature.
Desired Set Temperature - Page 7
Indicates desired room temperature(s).
Page 3
Display
Am
Night
I8:88
Pm
Setup
88
o
COOL
AUTO
Locked
ONOFF
Program
Morning
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.
Day
Evening
On
HEAT
88
Locked icon - Page 18
Indicates the keypad has been locked.
Page 4
Quick Start Set the Clock and Go
MODE
FAN
Tip: To change hours quickly,
press and hold the FAN
button and press the UP or
DOWN buttons.
Press the MODE and
FAN buttons at the
same time to return
to normal operation.
Press the MODE and FAN buttons
at the same time for two seconds
to enter Setup screens.
Setting the Clock
Am
I2:00
Setup
MODE
FAN
During Setup & Programming:
Pressing the UP or DOWN
bu ttons wi ll m odify th e
flashing selection.
To adjust the
Clock use
buttons.
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, page 12.
Page 5
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