Venstar T1700 User manual

Venstar Inc. 08/07
Use with most Air Conditioning & Heating Systems including: 1 or 2 Stage
Electric Cooling & 3 Stage Gas Heating, Heat Pump, Electric or Hydronic Heat.
Digital
Thermostat
Digital
Thermostat
residential
T1
700
HEAT
COOL HEAT
PUMP
PROGRAMMABLE
1-DAY
PROGRAMMABLE
1-DAY
up to
& 1-cool
up to
& 1-cool
2-heat
2-heat
THERMOSTAT
CONFIGURABLE IN SETUP:
Auto or Manual changeover
Programmable or
Non-Programmable
Control up to 2 Heat &
1 Cool Stages
Backlit Display & Button
Legends
Aux Heat Indicator
Outdoor Sensor Ready
Accepts EZ Programmer
Accepts Optional IR
Remote Control
Accepts Comfort Call
Phone Control Accessory
OWNER’S
MANUAL
OWNER’S
MANUAL

Page i
This device complies with Part 15 of the FCC Rules. Operation is
subject to the following two conditions: (1) this device may not cause
harmful interference, and (2) this device must accept any interference
received, including interference that may cause undesired operation.
Follow the Installation Instructions before proceeding.
Set the thermostat mode to “OFF” prior to changing
settings in setup or restoring Factory Defaults.
CAUTION
C
c
F
FOR HOME OR OFFICE USE
Tested to Comply
with FCC Standards
Thermostat T1700
4Z95

Page ii
Page 14.1
Section 14 Contents:
Adjusting the Heat/Cool
Differential..............................14.2
Adjusting the Cycles
Per Hour..................................14.3
Adjusting the Deadband..........14.4
Adjusting the Minutes of
Run-Time Before the
Next Stage...............................14.6
Selecting 2nd Stage Turn
Off Temperature.....................14.7
SECTION 14
Timers and Deadbands
14
The first page of each section contains a more detailed Contents of each
section, such as the example page shown below.
The Table of Contents divides the thermostat features into sections
making it easier to quickly find information.
In addition, this manual also has an Index to help you find any information
regarding this thermostat quickly.
How to Use This Manual
Header shows section #
and title of section
Section contents
Visible section tab
on the side of the
page
Section and page #

Glossary of Terms
Page iii
Auto-Changeover: A mode in which the thermostat will turn on
the heating or cooling based on room temperature demand.
Cool Setpoint: The warmest temperature that the space should
rise to before cooling is turned on (without regards to
deadband).
Deadband: The number of degrees the thermostat will wait, once
setpoint has been reached, before energizing heating or cooling.
Differential: The forced temperature difference between the
heat setpoint and the cool setpoint.
Heat Setpoint: The coolest temperature that the space should
drop to before heating is turned on (without regards to
deadband).
Icon: The word or symbol that appears on the thermostat
display.
Mode: The current operating condition of the thermostat (i.e. Off,
Heat, Cool, Auto, Program On).
Non-Programmable Thermostat: A thermostat that does not
have the capability of running the Time Period Programming.
Programmable Thermostat: A thermostat that has the capability
of running the Time Period Programming.
Temperature Swing: Same as Deadband.
Time Period Programming: A program that allows the
thermostat to automatically adjust the heat setpoint and/or the
cool setpoint based on the time of day.

2
Table of Contents
Page iv
1
3
6
7
8
9
10
11
12
13
4
5
Quick Start
Getting to Know Your
Thermostat
Setting Clock
Basic Operation
Viewing the Outdoor
Temperature
Programming the
Daily Schedule
Thermostat Display
Options
Setting and Resetting
Equipment Run-Times
Electric Heat and
Heat Pump Operation
Factory Defaults and
Calibration
Accessories
Advanced Setup Table
Programming the Fan
Operation
14
Timers and Deadbands

Section 1 Contents:
Front Panel Buttons.....................1.2
Display Features...........................1.3
Page 1.1
SECTION 1
Getting to Know Your Thermostat
1

Backlit LCD Display Warmer Button sometimes referred
(glows red) to as the UP button
Cooler Button sometimes refer-
(glows blue) red to as the
DOWN button
Mode
Button
Heat or Cool Demand Indicator
Red = Heat, Green = Cool
Front Panel
Page 1.2
AUTO
I2:00
Pm
HEAT
COOL
72
74
1
FAN EMRG HT. OUTDOOR PROGRAM SET
CLOCK
[ ]
[ ]
QUICK RELEASE FOR
ACCESSORY PORT
(pg. 13.1)
COMMERCIAL PROGRAMMABLE THERMOSTAT
PROGRAM SET CLOCK MODE
PLATINUM eries
AUTO
I2:00
Pm
HEAT
COOL
72
74
FAN OUTDOOR EMRG HT.

Page 1.3
Mode Indicators -
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.
OFF - Indicates heating and cooling is turned off.
PROGRAM ON - Indicates the time period program is enabled to
run.
Section 4
Display Features
Clock - Section 3
Indicates the current time. This clock is also used to program
the time period schedule.
Room Temperature Display - Section 5
Indicates the current room temperature and displays the outdoor
temperature when selected.
Desired Set Temperature - Section 4/5
Indicates desired room temperature(s).
Outside icon - Section 5
Indicates the temperature displayed is from the optional outdoor
sensor.
Evening
FanOn
AUXHEAT
COOL
AUTO
OFFON
Morning
DayNight
Am
I8:88
Service Filter
Program On
StartStop
I88
Setup
Outside
Pm
88
88
1
1
1
Morning, Day, Evening & Night icons - Section 6
Indicates the day part of the time period program.

Page 1.4
Setup icon -
Indicates the thermostat is in the setup mode.
Fan On icon - Section 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 - Section 9
Appears when the filter should be serviced under normal conditions.
Adjustable from 0 - 1950 hours of blower operation.
icon - Section 8
Indicates the keypad has been locked.
StartStop icon - Section 6
Appears when programming timer functions.
AuxHeat icon - Page 11.4
Indicates the Heat Pump is currently using 2nd stage electric
strip heat.
UV Light icon - Section 9
Appears when the UV bulb should be serviced under normal
conditions. Adjustable from 0 - 1990 days of operation.
Sections 6-11
Display Features 1
Evening
FanOn
AUXHEAT
COOL
AUTO
OFFON
Morning
DayNight
Am
I8:88
Service Filter
Program On
StartStop
I88
Setup
Outside
Pm
88
88
Pan UV Light

Page 2.1
Section 2 Contents:
Setting the Clock .........................2.2
Selecting the Heat or Cool
Mode............................................2.3
Selecting Your Desired
Temperature................................2.4
Using the Fan Button...................2.4
Note: Following the instructions in this section will allow you to
operate your thermostat using the factory default settings. These
settings are depicted in the illustrations throughout this manual.
SECTION 2
Quick Start
2

Page 2.2
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
2
To adjust the time by
hours press and hold
the FAN button while
pressing the UP or
DOWN buttons.
RAM SET CLOCK M
RAM SET CLOCK M

Page 2.3
Selecting the Heat or Cool Mode
Press
MODE
Press
MODE
Press
MODE
Press
MODE
HEAT
I2:00
70
Pm
68
COOL
I2:00
70
Pm
76
HEAT
COOL
AUTO
I2:00
70
Pm
68
76
OFF
I2:00
70
Pm
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
Select Mode by Pressing the MODE Button
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).
COOL
I2:00
Day
Program On
70
Pm
76
HEAT
68
2

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
HEAT
COOL
AUTO
I2:00
70
Pm
68
76
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
COOL
I2:00
70
Pm
76
Page 2.4
Selecting Your Desired Temperature (adjusting the setpoints)
HEAT
COOL
AUTO
70
Pm
68
76
I2:00
FanOn
Using the Fan Button
2
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.

Page 3.1
Section 3 Contents:
Setting the Clock..........................3.2
Note: During setup & programming pressing the UP or DOWN
buttons will modify the flashing selection.
SECTION 3
Setting the Clock
3

Page 3.2
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
3
To adjust the time by
hours press and hold
the FAN button while
pressing the UP or
DOWN buttons.
RAM SET CLOCK M
RAM SET CLOCK M

Section 4 Contents:
Programmable or Non-
Programmable Thermostat........4.2
Manual or Auto-Changeover
Thermostat..................................4.3
Selecting the Operating Mode.....4.4
Selecting Your Desired
Temperature................................4.8
Page 4.1
Note: During setup & programming pressing the UP or DOWN
buttons will modify the flashing selection.
SECTION 4
Basic Operation
4

Page 4.2
Select Yes if you would like
the thermostat to be program-
mable or No for non-program-
mable.
YES
NO
i
Program On Setup
PROGRAM
Press
Programmable or Non-Programmable
Thermostat
PROGRAM
MODE
Note: Press the MODE
button momentarily
to move through the
setup screens. Press
and hold the MODE
button to move back-
wards through the
setup screens.
Press the PROGRAM button to leave the Setup screens. If no buttons are
pressed, the display will leave the setup screens after 30 seconds.
Press the MODE button. While holding
the MODE, press the PROGRAM
button to enter Setup screens.
If ‘NO’ is selected, the thermostat will lockout the Program On screen;
only the Off, Heat, Cool, and Auto screens may be accessed by
pressing the MODE button.
Select ‘YES’ if you would like your thermostat to be programmable,
then the Program mode will be accessible through the use of the
MODE button.
When the very simplest operation is desired, this thermostat may
be configured to be non-programmable, with or without Auto-
Changeover. Follow the step below.
4

Page 4.3
YES
NO
2
AUTO
Setup
PROGRAM
Press
PROGRAM
MODE
MODE
Press the PROGRAM button to leave the Setup screens. If no buttons are
pressed, the display will leave the setup screens after 30 seconds.
Manual or Auto-Changeover
Thermostat
Press the MODE button. While holding
the MODE, press the PROGRAM
button to enter Setup screens.
Press the MODE button repeatedly
until this setup screen appears.
Select Yes if you would
like the thermostat to
be Auto-Changeover or
No for a Heat Only and
Cool Only Thermostat.
Note: Press the MODE
button momentarily
to move through the
setup screens. Press
and hold the MODE
button to move back-
wards through the
setup screens.
4
The thermostat may be programmed to function as a Heat Only or
Cool Only thermostat by selecting ‘NO’ in the setup screen below.
This will lockout the Auto-Changeover screen and only allow the Off,
Heat, Cool, and Program On screens to be accessed.
When the very simplest operation is desired, this thermostat may
be configured to be a manual heat and cool thermostat, with or
without time period programmability. Follow the step below.

Press
MODE
Press
MODE
HEAT
I2:00
70
Pm
68
COOL
I2:00
70
Pm
76
OFF
I2:00
70
Pm
NON-PROGRAMMABLE WITH MANUAL-CHANGEOVER - If the
thermostat is configured to be a non-programmable thermostat
with Manual-Changeover, the following screens will be available
by pressing the MODE button.
Page 4.4
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
Operating Mode when the Thermostat
is Configured to be:
Select the Mode by Pressing the MODE Button
4