Venstar TSTATEZ User manual
Venstar Inc. 08/07
Use with most Air Conditioning & Heating Systems including: 1 or 2 Stage
Electric Cooling & 2 Stage Gas Heating, Heat Pump, Electric or Hydronic Heat.
PROGRAMMABLE
Single Day
PROGRAMMABLE
Single Day
up to
& 2-cool
up to
& 2-cool
2-heat
2-heat
OWNER’S
MANUAL
OWNER’S
MANUAL
asy
E
Stat
Stat
residential
T H E R M O S TAT
TSTATEZ
world’s easiest
world’s easiest
PROGRAMMABLE THERMOSTAT
PROGRAMMABLE THERMOSTAT
One for All - Can Control:
- Gas / Electric
- Heat Pump
- Electric Heat
- Hydronic Systems
Non-Volatile Memory - Retains settings
in the event of a power failure
Outdoor Sensor Ready -
Compatible with the
optional wired, or wireless
Outdoor Sensor
HEAT
COOL HEAT
PUMP
Table Of Contents
CAUTION Follow Installation Instructions carefully.
DISCONNECT POWER TO THE HEATER -
AIR CONDITIONER BEFORE REMOVING
THE OLD THERMOSTAT AND INSTALLING
THE NEW THERMOSTAT.
WARNING
FRONT PANEL
DISPLAY
QUICK START Set the clock and go
SELECTING THE HEAT
OR COOL MODE
BASIC OPERATION
PROGRAMMING
ADVANCED SETUP
ABOUT ADVANCED FEATURES
& OPERATION
WARRANTY
3
4
5
6
7
10
13
16
8
OVERVIEW
2
P/N TSTAT1100EZ
Venstar Inc. 08/07
Page 1
Overview
The most common way to program the EasyStat thermostat is
to program it just as you would an alarm clock. You can
program this thermostat in the HEATING MODE (normal winter
operation) and/or in the COOLING MODE (normal summer
operation). These setpoints will be stored and used any time
that the program is on (WAKE/SLEEP).
The EasyStat thermostat is also simple enough to use for those
who desire to set the temperature manually before going to bed
at night and leaving for work in the morning, but desire to wake
up to a comfortable room and return to a comfortable house.
For example, if you were going to the mall for two or three
hours and would like to save energy, all you would have to do
is set the SLEEP (RETURN) time for when you expected to
return from the mall and then adjust the temperature down
when you leave the house. This flexibility allows you to obtain
great energy savings while you are away and still maintain a
comfortable environment when you are at home.
Refer to the information described in this manual to learn more
about the operation, programming, and advanced features of
this thermostat.
Page 2
Front Panel
Backlit LCD Display
Warmer Button
Cooler Button
Mode/ Next Button
Heat or Cool Demand Indicator
Red = Heat, Green = Cool
74
i2:00
72
Pm
WAKE
HEAT
PROGRAM
ON/OFF
SET
CLOCK
SET
PROGRAM
FAN
OUTDOOR
This Big Letter label is also available
for easy identification of the thermostat
buttons.
OUTDOOR FAN SET
PROGRAM
PROGRAM
ON/OFF
SET
CLOCK
MODE/
NEXT
o
MODE/
NEXT
Page 3
FAN
AUTO
I2:00
Su
Pm
HEAT
COOL
72
74
TSTATEZ
Unit #
For
Service
Call:
Venstar.com
Rev. 1
Set Clock - To set the clock, press the
Set Clock button. The current time will blink.
Press the Up or Down button until the correct time
is shown. Press the Set Clock button to exit and
return to normal.
Program Schedules -
Press the Set Program button. Use the Up or
Down buttons to alter wake time,
wake temperature, sleep time and
sleep temperature. Use the
Mode/Next button to step to the
next screen. When done, press Set Program to
exit or Run Program to exit and run the program.
E
asySTAT
RESIDENTIAL THERMOSTAT
OUTDOOR SET
PROGRAM
PROGRAM
ON/OFF
SET
CLOCK
MODE/NEXT
Mode Indicators - Page 6
Selects the operation mode of the equipment.
WAKE/SLEEP - Indicates the time period program
is enabled to run.
HEAT - Indicates the heating mode.
COOL - Indicates the air conditioning mode.
OFF - Indicates heating and cooling are turned off.
Clock Display - Page 5
Indicates the current time of day.
Room Temperature Display
Indicates the current room temperature.
Desired Set Temperature - Page 7
Indicates desired room temperature.
Outside icon - Page 7
Indicates the temperature displayed is from
the optional outdoor sensor.
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.
Display
12:00
88
I88
88
OFF
Am
Pm
:
ON
FAN
WAKE
SLEEP
OUT
SIDE
COOL
HEAT
Page 4
Quick Start Set the Clock and Go
Buttons.
To adjust the
Clock or Day use
During Setup &
Programming:
Pressing the UP or DOWN
buttons will modify the flashing
selection.
Press the SET
CLOCK button
Press the SET
CLOCK button
to return to
normal operation.
Am
I2:00
Setup
I
Setting the Clock
RAM M
SET
CLOCK
RAM M
SET
CLOCK
To adjust the time by
hours press and hold
the FAN button while
pressing the UP or
DOWN 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.
Page 5
* 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 10 & 11.
Press
Press
MODE/
NEXT
I2 00
72
74
Am
:
COOL
I2 00
72
72
Am
:
HEAT
I2 00
72
OFF
Am
:
MODE/
NEXT
NOTE: when the thermostat is in the OFF mode, you may turn the
thermostat back on by pressing the MODE/NEXT, UP, or DOWN
buttons.
Selecting the Heat or Cool Mode
The HEAT setting indicates the
temperature the room has to
reach before the furnace will
turn on to heat the room.
Heating Only
The COOL setting indicates the
temperature the room has to
reach before the air conditioner
will turn on to cool the room.
Cooling Only
OFF indicates both heating
and air conditioning
systems are turned off.
Off
Select Mode by Pressing the MODE Button
Time Schedule for
Heating or Cooling
The WAKE or SLEEP setting will
activate the time period prog-
ramming for the cooling or
heating setpoint ONLY.
I2 00
72
74
Am
:
COOL
WAKE
Page 6
Basic Operation
12:00
70
69
Am
:
HEAT
12:00
65
OFF
Am
:
ON
FAN
Selecting Your Desired Temperature
(adjusting the setpoints)
buttons.
Adjust the desired
set temperature with the
HEAT OR COOL MODE
Pressing the UP or DOWN buttons in Heat or Cool mode will
adjust only the heat or cool set temperature.
Using the Fan Button
Press
FAN
Fan On indicates constant fan
operation. You may turn the fan
on even if the thermostat is in the
Off mode. Pressing the FAN button
toggles this feature on or off.
This requires an outdoor sensor (optional accessory) to be installed
(see page 15 for wiring instructions). To read the temperature from
the outdoor sensor, press the OUTDOOR button.
Viewing the Outdoor Temperature
Note: If no sensor is connected two dashes [- -] will appear on the display.
Press
OUTDOOR
OUT
SIDE
Page 7
Programming Heat Schedule
Adjust the heating
setpoint for Wake.
Adjust the start time
for Wake.
Adjust the start time
for Sleep.
Adjust the heating
setpoint for Sleep.
7:00
Am
WAKE
7:00
68
Am
WAKE
HEAT
I0:00
Pm
:
SLEEP
I0:00
65
Pm
:
SLEEP
HEAT
Press
Press
Press
Press
MODE/NEXT
MODE/NEXT
MODE/NEXT
SET
PROGRAM
OR
MODE/
NEXT
OR
PROGRAM
ON / OFF
SET
PROGRAM
The thermostat must be in the Heat mode to access these setup steps.
Press the PROGRAM button to enter time period programming.
(35 - 99 )
NOTE: If no buttons are pressed the thermostat will leave setup
and return to normal operation after 30 seconds.
Press the SET PROGRAM or
MODE/NEXT button to leave setup
and return to normal operation
Press the PROGRAM ON/OFF button to leave
setup and start running the updated program.
Page 8
74
i2:00
72
Pm
WAKE
HEAT
(35 - 99 )
7:00
Am
WAKE
7:00
74
Am
WAKE
COOL
I0:00
Pm
:
SLEEP
I0:00
78
Pm
:
SLEEP
COOL
Press the SET PROGRAM or
MODE/NEXT button to leave setup
and return to normal operation
Press the PROGRAM ON/OFF button to leave
setup and start running the updated program.
Press
Press
Press
Press
MODE/NEXT
MODE/NEXT
MODE/NEXT
SET
PROGRAM
OR
MODE/
NEXT
OR
PROGRAM
ON / OFF
The thermostat must be in the Cool mode to access these setup steps.
Press the Set Program button.
SET
PROGRAM
Programming Cool Schedule
Page 9
74
i2:00
72
Pm
WAKE
HEAT
Adjust the cooling
setpoint for Wake.
Adjust the start time
for Wake.
Adjust the start time
for Sleep.
Adjust the cooling
setpoint for Sleep.
(35 - 99 )
(35 - 99 )
NOTE: If no buttons are pressed the thermostat will leave setup
and return to normal operation after 30 seconds.
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