Venstar T5900 Use and care manual

Compatible with
Wi-Fi accessories
HEAT
COOL HEAT
PUMP
&
ColorTouch™
OWNER’S
MANUAL
High Resolution
Color Touchscreen
DigitalThermostat
withHumidity
Control
INSTALLATION
INSTRUCTIONS
ANUA
A
L
L
A
T
AND
RESIDENTIAL
T5900

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
T5900
This color touchscreen has the ability to receive updates to its
firmware. Periodically firmware updates are released by the
manufacturer to add features and/or performance enhancements.
This manual was produced reflecting the most current firmware/
feature set at the time of publication, firmware rev. 3.04.
Firmware releases after rev. 3.04 may not be adequately depicted
in this manual. Please refer to the appropriate website or contact
your place of purchase to learn about changes to the thermostat
after firmware release 3.04.

ii
Glossary of Terms
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 regard to deadband).
Deadband:The number of degrees the thermostat will wait, once a
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 regard 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 Time Period Programming.
Programmable Thermostat: A thermostat that has the capability of
running 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 the day. Same as Schedule.

iii
Table of Contents
GET TO KNOW YOUR THERMOSTAT
Home Screen......................................................................................................1
Menu Screens....................................................................................................1
Dropdown Dashbaord.......................................................................................2
Care and Use of your Thermostat ...................................................................3
QUICK START
Selecting your desired temperature and mode ...........................................4
Using the Fan button .........................................................................................4
Setting the time..................................................................................................6
Setting the date..................................................................................................7
Daylight Savings setup.....................................................................................7
MAIN MENU BUTTONS
Schedule .............................................................................................................8
Time Period Schedule On/Off..........................................................................9
View My Schedule............................................................................................9
Edit My Schedule...............................................................................................9
Smart Fan ...........................................................................................................11
Smart Fan On/Off...............................................................................................12
Smart Fan Minimum Runtime.........................................................................12
Start/Stop Times ...............................................................................................12
Days to allow Smart Fan operation...............................................................12
Screensaver.......................................................................................................13
Screensaver On/Off..........................................................................................14
ScreensaverSetup............................................................................................14
Screensaver Preview ......................................................................................14
Alerts...................................................................................................................15
View Current Alerts..........................................................................................16
Reset Alerts .......................................................................................................16
Set/Edit Reminders...........................................................................................16
Service Information (Who To Call For Service) ..........................................16

iv
Table of Contents
DISPLAY..............................................................................................................17
Active Brightness.............................................................................................18
Idle Brightness..................................................................................................18
Night Dimmer ....................................................................................................18
Maintenance .....................................................................................................19
PREFERENCES...................................................................................................20
User Interface Themes ....................................................................................21
Custom Wallpaper............................................................................................21
Heat/Cool Indicator..........................................................................................21
Backdrop On/Off ...............................................................................................21
Sound Options...................................................................................................21
HUMIDITY ..........................................................................................................22
Humidification Settings...................................................................................23
Dehumidification Settings ..............................................................................23
VACATION ..........................................................................................................24
Vacation Mode On/Off .....................................................................................25
Schedule ............................................................................................................25
Modes & Setpoints...........................................................................................26
SECURITY...........................................................................................................27
Auto Screenlock...............................................................................................28
Setpoint Limits ..................................................................................................28
Mode Restrictions............................................................................................28
INFORMATION...................................................................................................29
View Runtime Graphs......................................................................................30
Who To Call For Service..................................................................................30
SETTINGS...........................................................................................................31
Thermostat Name .............................................................................................35
Available Modes...............................................................................................35
SD Card (Import and Export)...........................................................................35

v
Table of Contents
GENERAL SETUP...............................................................................................35
Units (F or C)..................................................................................................35
Language.......................................................................................................36
Smart Recovery On/Off ...............................................................................36
Simple Thermostat On/Off..........................................................................36
INSTALLATION SETTINGS...............................................................................37
Heat & Cool Stages .....................................................................................37
Heat & Cool Stages .................................................................................37
Compressor Stages..................................................................................37
Aux Heat Stages.......................................................................................37
Timers & Deadbands........................................................................................37
Free Cooling.......................................................................................................39
HEAT PUMP SETTINGS....................................................................................40
Heat Pump Lockout - Enabled/Disabled .............................................40
Heat Pump Lockout Outdoor Temp.......................................................40
Aux Heat Lockout Enabled/Disabled...................................................40
Aux Heat Lockout Temp..........................................................................40
DUAL FUEL SETTINGS......................................................................................40
Dual Fuel On/Off.......................................................................................40
Changeover With Outdoor Temp On/Off ..............................................40
Adjust Balance Point..............................................................................40
Aux Output Settings .........................................................................................41
Fan Off Delay .....................................................................................................41
Sensor Settings.................................................................................................42
Test Outputs .......................................................................................................42
Dealer Information ...........................................................................................43
Upgrade Firmware............................................................................................43
Delete Custom Images.....................................................................................43
Calibrate Clock .................................................................................................43
Reset to Factory Default Settings..................................................................43
Restart Thermostat...........................................................................................43

vi
Table of Contents
ACCESSORIES ...................................................................................................44
Accessory Info ..................................................................................................45
Setup...................................................................................................................45
EMERGENCY HEAT...........................................................................................46
COLORTOUCH ASSISTANT.............................................................................47
Installing the ColorTouch Assistant Software............................................48
Uploading Photos.............................................................................................48
INSTALLATION INSTRUCTIONS ....................................................................49
Remove & Replace the Old Thermostat .......................................................49
Wire Connections.............................................................................................50
The ColorTouch Thermostat Backplate........................................................51
Explanation Of the Thermostat Dip Switches.............................................52
Sample Wiring Diagrams................................................................................53
TROUBLESHOOTING ........................................................................................57
INDEX..................................................................................................................58
WARRANTY .......................................................................................................63

1
Get To Know Your Thermostat
Home Screen
Sub Menu Screen
Home Button
Sub Menu
Buttons
Scrolling
Buttons
Main Menu Screen
Scrolling
Buttons
Back
Button
Menu
Buttons
Indicates Options
Available
Backlit ColorTouch Display
Date &Time
Fan Button
Away Button
OutdoorTemperature
Cooler
Button
Warmer
Button
SD Card
Slot
Menu
Button
Mode Buttons
(If optional sensor is installed)
(if optional accessory is installed)
Humidity Reading
Connectivity Symbol
Drop Down
Sensor Button
Not connected
to Wi-Fi
Connected to local
access point w/IP
address without
Skyport access
Connected to local
access point w/IP
address, but not yet
connected to Skyport
Connected to Skyport
No Wi-Fi Key detected
Connectivity Symbol Table

2
Get To Know Your Thermostat
Humidity Reading
Drop Down
Dashboard Button
Weather
Display
Humidity
Outdoor Temp
Room
Temp
Wi-Fi
Connection
Icon
The Humidity Icon will turn
from Blue to Red during an
active humidification call.
Dropdown Dashboard
(The contents of your Dashboard may vary)
Press the HOME button to
return to the Home Screen
(The Skyport Wi-Fi
Key is required for
wi-fi connections.
Model # ACC0454)
Dropdown Dashboard
The Dropdown Dashboard displays temperature, humidity, and other
readings. It will also show the high and low readings of the day.

3
Get To Know Your Thermostat
Care and Use of Your Thermostat
Pencils, pens and other sharp objects should never be used on your
Touch Screen thermostat; these may damage your touchscreen.
Only use your finger tip to press the touchscreen buttons.
Use a soft, damp cloth to clean the screen.
DO NOT USE ABRASIVE CLEANERS OR CLEANERSTHAT CONTAIN
SOLVENTS. DO NOT SPRAY ANYTHING DIRECTLY ONTO THE
THERMOSTAT.

4
Quick Start - Temperature, Modes & Fan
Selecting Your Desired Temperature and Mode
The Heat or Cool Setpoint
is the temperature the
room has to reach
before heating or
cooling will turn off.
Press or to adjust temperature
Press or the MODE Icon
HEAT will allow only operation of the heating system.
COOL will allow only operation of the cooling system.
AUTO will allow operation of the heating and
cooling systems.
OFF - heating and cooling systems are turned off.
AUTO-CHANGEOVER MODE - Pressing the WARMER or COOLER buttons in Auto
mode will adjust both the heat and cool setpoints simultaneously. To adjust heat
and cool setpoints individually, choose HEAT mode to adjust the heat setpoint and
COOL mode to adjust the cool setpoint, then return to AUTO mode.
HEAT OR COOL MODE - Pressing the WARMER or COOLER buttons in Heat or
Cool mode will adjust only the heat or cool setpoints.
Using the Fan Button
FAN ON fan runs constantly even in OFF Mode.
FAN AUTO fan only runs with a heating or cooling demand.
Cool Setpoint
Warmer
Button
Fan
Cooler
Button
Heat Setpoint
Press FAN Icon

5
Quick Start - Set Time & Date
Set Current Time
Use AM/PM - ON
Set Time & Date
Set Current Date
Daylight Savings Setup
Daylight Savings Time - OFF
Start Schedule
Starts On
Day
Month
Stop Schedule
Ends On
Day
Month
(2nd)
(Sun)
(March)
(1st)
(Sun)
(November)
NOTE: When the thermostat is connected to the Skyport; the
Time & Date are automatically synchronized to the Skyport
Cloud, including automatic Daylight Savings adjustments.

6
Quick Start - Set Time & Date
Set Current Time (12:00 AM)
hr +
hr -
min +
min -
Press and
to set the current time.
Press when finished.
Press then to scroll down.
Press
Use AM/PM - ON
Use AM/PM - OFF
For 12 hour AM/PM clock
For 24 hour clock
Choose
Press when finished.
Set Time & Date
Press
BACK
MENU
NOTE: If the Skyport Wi-Fi Key
is installed on the thermostat, the
Time and Date settings will not be
accessible.
BACK
Setting the Time

7
Quick Start - Set Time & Date
Setting the Date
Set Current Date
Daylight Savings Setup
6/1/2013
Press
or
to set the current month and year.
when finished.
Press the day on the calendar
27 28 29 30 123
Su Mo Tu We Th Fr Sa
45678910
17161514
13
1211
18 19 20 21 22 23 24
31302928272625
1234567
Press
Press
Daylight Savings Time - OFF
Daylight Savings Time - ON
Start Schedule
Starts On
Day
Month
Stop Schedule
(2nd)
(Sun)
(March)
Ends On
Day
Month
(1st)
(Sun)
(November)
Tu rn Daylight Savings
Time on or off.
Adjust when Daylight
Savings Time begins.
Adjust when Daylight
Savings Time ends.
after making a change
to a selection.
Press
or the Home button
when finished.
Press
BACK
BACK
BACK

8
Main Menu Buttons - Schedule
Schedule
View My Schedule
Edit My Schedule

9
Main Menu Buttons - Schedule
Schedule
This thermostat features up to four programmable
time periods per 24 hour day: Morning, Day,
Evening,
and Night. The start time for each time period is
adjustable. The stop time for each time period is
the start time for the next period.
Press a day of the week to view its settings. This may be repeated for each day.
View My Schedule
Press and select days to program
Then press NEXT
Edit My Schedule
Continued
Select individual days
or
Select groups of days

10
Main Menu Buttons - Schedule
Review your program.
Press SAVE to keep your program.
Press EDIT to make further changes.
When you are finished editing the
four time periods press
Press and select aTime Period (Morning, Day, Evening, or Night) to edit.
Edit My Schedule (Continued)
Adjust Mode, Start Time, and Heat and Cool Setpoints to desired settings.
Save
Edit
Next
TheTime Period may also be Enabled or Disabled. Un-check the Enabled
box forTime Periods you don’t want to use. Press DONE when finished.
TIP:
For a simpler schedule that only uses 2
time periods, un-check Enabled for Day
and Evening Time Periods.
Mode
Start Time
Done
Enable/Disable
Time Period
Heat and Cool Setpoints
NEXT

11
Main Menu Buttons - Smart Fan
Who To Call For Service
View Runtime Graphs
Smart Fan - OFF
Smart Fan Min Runtime
Smart Fan
Who To Call For Service
View Runtime Graphs
Start/Stop Times
Days To Run Fan

12
Main Menu Buttons - Smart Fan
Smart Fan
Smart Fan - OFF
Smart Fan Min Runtime (0m)
Start/Stop Times
Days To Run Fan
The fan may be programmed to
turn on automatically for a specified
period during the day.
Press to turn fan schedule on or off.
Set the minimum number of minutes the fan will run from
the top of each hour. Set runtime to 60 minutes to be on
continuously from StartTime to Stop Time. (5 - 60 mins.)
Set when the Smart Fan schedule will start and stop. For example,
you may not want Smart Fan to run during sleeping hours.
Choose which days of the week Smart Fan will run.
(7:00AM - 9:00PM)
Smart Fan - ON

13
Main Menu Buttons - Screensaver
Who To Call For Service
View Runtime Graphs
Screensaver - OFF
Screensaver Setup
Screensaver Tu rn On Delay
Change Image After...
Show Clock - OFF
Screensaver Ty pe
Screensaver
Home Screen Info - OFF
View Runtime GraphsScreensaver Preview
Slideshow
Digital Clock
Analog Clock
Use Theme Images - OFF
Randomize Slideshow - OFF