Venstar T1100FS 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.
residential
HEAT
COOL HEAT
PUMP
PROGRAMMABLE
7-Day
PROGRAMMABLE
7-Day
up to
& 2-cool
up to
& 2-cool
2-heat
2-heat
THERMOSTAT
OWNER’S
MANUAL
OWNER’S
MANUAL
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
Programmable Fan
Mounts Flush with the Wall
Thermostat
Thermostat
Digital
Digital T1100FS
Control up to 2 Heat & 2 Cool Stages
7-Day Programmable
4 Settings/Day
Auto Changeover
5 minute Built-In
Compressor Protection
Self-Prompting Programming
with Copy Command
Display Either F or C
CAUTION Follow Installation Instructions carefully.
DISCONNECT POWER TO THE HEATER -
AIR CONDITIONER BEFORE REMOVING
THE OLD THERMOSTAT AND INSTALLING
THE NEW THERMOSTAT.
WARNING
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
2
3
5
6
7
12
17
21
8
P/N T1100FS
Venstar Inc. 08/07
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
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 and displays
the outdoor temperature when connected (page 20).
Desired Set Temperature - Page 7
Indicates desired room temperature(s).
Outside icon - Page 20
Indicates the temperature displayed is from the
optional outdoor sensor.
Display
88
88
HEAT
COOL
ONOFF
AUTO
Fan On
Program
Service Filter
Locked
Outside
Setup
On
o
Am
Pm
I8:88
Day
Night
Evening
Morning
SuMoTuWeThFrSa
Page 3
Display
88
88
HEAT
COOL
ONOFF
AUTO
Fan On
Program
Service Filter
Locked
Outside
Setup
On
o
Am
Pm
I8:88
Day
Night
Evening
Morning
SuMoTuWeThFrSa
Morning, Day, Evening &Night icons - Pages 8-10
Indicates the day part of the time period program.
Setup icon - Pages 12-15
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.
Service Filter icon - Page 15
Appears when the filter should be serviced under
normal conditions. Adjustable from 0 - 1950 hours
or blower operation.
Locked icon - Page 20
Indicates the keypad has been locked.
Page 4
Press the MODE and FAN buttons
at the same time for two seconds
to enter Setup screens.
Press the MODE and
FAN buttons at the
same time to return
to normal operation.
Quick Start Set the Clock and Go
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 12 & 13.
Press
MODE
Setting the Clock
Setting the Day
MODE
FAN
MODE
FAN
Am
Setup
I2:00
SetupMo
During Setup & Programming:
Pressing the UP or DOWN
butt ons will modify th e
flashing selection.
To adjust the
Clock or Day use
Tip: To change hours quickly,
press and hold the FAN
button and press the UP or
DOWN buttons.
buttons.
Page 5
70 68
Pm
HEAT
Mo
I2:00
70
76
Pm
COOL
Mo
I2:00
70
70
70
Selecting the Heat or Cool Mode
Press
MODE
Press
Press
Press
MODE
MODE
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
AUTO will automatically select
heat or cool based on room
temperature demand.
Heating or Cooling
Time Schedule for
Heating or Cooling
The Program On setting will
activate the time period
programming for the cooling
or heating setpoint ONLY
(Morning, Day, Evening
& Night Periods).
Select Mode by Pressing the MODE Button
68
76
HEAT
COOL
ProgramOn
Pm
I2:00
Day
Mo
68
76
HEAT
COOL
Pm
I2:00
AUTO
Mo
Pm
I2:00
Mo
OFF
Page 6
Selecting Your Desired Temperature
(adjusting the setpoints)
Basic Operation
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.
buttons.
Adjust the desired
set temperature with the
70
76
Pm
COOL
Mo
I2:00
HEAT OR COOL MODE
Pressing the UP or DOWN buttons in Heat or Cool mode will
adjust only the heat or cool set temperature.
buttons.
Adjust the desired
set temperature with the
70
76
68
Pm
COOL
HEAT
Mo
I2:00
AUTO
70
76
Pm
COOL
Mo
I2:00
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.
Fan On
Page 7
Press
Press
Press
Press
Continued
MODE
MODE
MODE
MODE
Mo
78
COOL
78
70
COOL
HEAT
Am
Am
Am
6:00
6:00
Morning
Morning
Morning
6:00
Mo
Mo
Mo
Press the MODE button. While holding MODE,
press the UP button for two seconds to enter
time period programming.
MODE
Use the Programming Worksheet on the back cover
to help with this section.
Select the day of week.
(Mo - Su)
Programming a Daily Schedule
Adjust the start time
for Morning.
Adjust the cooling
setpoint for Morning.
(35 - 99 )
Adjust the heating
setpoint for Morning.
(35 - 99 )
Page 8
MODE
Press
Press
Press
Press
Press
Continued
MODE
MODE
MODE
MODE
Am
8:00
Day
Mo
85
COOL
Am
8:00
Day
Mo
62
85
HEAT
COOL
Am
8:00
Day
Mo
Pm
6:00
Evening
Mo
78
COOL
Pm
6:00
Evening
Mo
Programming a Daily Schedule
Adjust the start time
for Evening.
Adjust the start time
for Day.
Adjust the cooling
setpoint for Day.
(35 - 99 )
Adjust the heating
setpoint for Day.
(35 - 99 )
Adjust the cooling
setpoint for Evening.
(35 - 99 )
Page 9
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