SunStat Installation Manual

Problem Possible Cause Solution
Wi-Fi is operational
but weather icon is
missing or wrong.
Location detected is incorrect
or unknown.
In the 'WiFi' menu, enter a zip or postal code to correct the location. If the code is
not recognized, try a code from an established location nearby.
'Heating' is
displayed, but floors
do not feel warm.
Set temperature is too low to
feel warm to the touch.
Increase the temperature setting in small increments.
Incorrect or faulty wiring
Check the floor temperature displayed on the screen. If this temperature does not
increase while 'Heating' is displayed, the sensor and power lead wiring will need to
be checked by a certified electrician.
The set temperature
was increased but
'Heating' is not dis
-
played on the screen.
Temperature may be limited by
another setting.
'Max' will display on the screen when you try to adjust a temperature that is limited.
Adjust the Floor Max, Room Max and WWSD settings if they are too low.
Temperature at the floor or room
sensor is already at the setting.
'Heating' only displays when the sensed temperature is lower than the set
temperature and heat is actively operating.
Display is not on.
Thermostat is in off mode. Touch the screen center. Touch the button to turn the thermostat on.
Power from the breaker is off. Check the breaker or fuse in the electrical panel supplying power to the SunStat.
Incorrect or faulty wiring Have the sensor and power lead wiring checked by a certified electrician.
Wi-Fi symbol is not
displayed on the
thermostat.
Router is unavailable. Check the power and connections on the router and reset if needed.
Incorrect connection settings. Check the WiFi settings entered in the thermostat.
Router is not allowing access. Check the settings in the router to ensure access is allowed.
Half of Wi-Fi symbol
is displayed.
Access to router is OK, but
Internet access is not available.
Check the router settings and determine whether other devices connected through
the router have internet access. Check power on modem.
Heat is on before the
scheduled time.
The SmartStart feature is
enabled.
'Smart Start' will display on the screen. If preferred, turn off the SmartStart feature
in the Schedule menu.
Out of memory error
The settings are not readable
by the thermostat.
Select 'Load Defaults' from the Toolbox menu.
Floor sensor error Wiring or sensor is faulty.
Have a certified electrician check the wiring and sensor resistance. Replace the
sensor if necessary.
Room sensor error
Internal sensor error in
thermostat
Reload factory defaults. If error still exists, replace the product according to the
warranty instructions.
Watts Radiant warrants this control (the product) to be free from defect in material and workmanship for a period of (3) years from the date of original purchase from
authorized dealers. During this period, Watts Radiant will replace the product or refund the original cost of the product at Watts Radiant’s option, without charge, if the
product is proven defective in normal use. Please return the control to your distributor to begin the warranty process.
This limited warranty does not cover shipping costs. Nor does it cover a product subjected to misuse or accidental damage. This warranty does not cover the cost of
installation, diagnosis, removal or reinstallation, or any material costs or loss of use.
This limited warranty is in lieu of all other warranties, obligations, or liabilities expressed or implied by the company. In no event shall Watts Radiant be liable for consequential
or incidental damages resulting from installation of this product. Some states or provinces do not allow limitations on how long an implied warranty lasts, or the exclusion
or limitation of incidental or consequential damages, so the above exclusions or limitations may not apply to you. This warranty gives you specific legal rights and you
may also have other rights that vary from state to state.
It is strongly recommended that a qualified, licensed electrician install the heating cables and related electrical components. If problems
with the system arise, please consult the troubleshooting guide below.
Troubleshooting Guide
Limited 3 Year Warranty
Remote Access Connection
Operation
Setup Menu
WiFi Menu
Schedule Menu
Display Menu
Toolbox Menu
Time Menu
Any electrical troubleshooting work should be performed with the power removed from the circuit, unless otherwise noted.
SunTouch Customer Support
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Latin America Fax: [phone]
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Watts Radiant Customer Support
USA Toll-free: [phone]
WattsRadiant.com
Canada Toll-free: [phone]
Canada Fax: [phone]
Watts.ca
©2020 Watts
By default, the thermostat includes one weekday program, a
Saturday program and a Sunday program.
• Press to switch between programs.
•
To edit the time or temperature for a wake, leave, return, or sleep
event, touch the displayed time or temperature. Choose 'Skip'
to not use an event.
•
To divide the schedule by a different grouping of days, select
'New Program'. You will be prompted to OK deleting the current
set of programs.
• Select days to group together in the new programs.
• Every day of the week requires selection on it's own or within a
group before exiting the program settings.
SmartStart
• SmartStart anticipates the time required to provide a scheduled
temperature by the start of an event. When Smart Start is set
to Off, additional time is required to reach the set temperature.
Program
• Set to On to follow the schedule. Set to Off to use the same
temperature all of the time.
Floor or Room Maximum
• Select floor and room maximum temperatures in the Setup menu.
These maximum settings are used to protect temperature-sensitive
flooring or prevent space overheating.
• 'Max' displays on the screen when the thermostat is limiting the
heat output in accordance with the Floor or Room Max setting.
Control
• The 'control' setting determines whether the thermostat will
operate to maintain a floor temperature, or the room temperature.
Power Up
• Switch on the circuit power supply at the breaker.
• The SunStat Connect will load stored settings into memory.
Heating Operation
By default, the SunStat Connect controls the heating system to
maintain a selected floor temperature. This can be switched to room
temperature control in the Setup menu. Floor and Room maximum
settings are also available to limit temperatures .
GFCI Testing and GFCI Light Operation
• Press the Test button on the GFCI monthly to verify that the GFCI
function is operational. The GFCI light will flash red after pressing the
Test button. To resume normal operation, press the Reset button.
• If pressing test does not display a flashing red GFCI light, protection
is lost and the unit will need replacement.
•
If the GFCI light continues to flash after pressing the reset button,
protection is lost and the unit will need replacement.
•
If the GFCI trips during normal operation, press the Reset button
to resume operation. If it trips again, the electric floor heating
system should be inspected and tested by a qualified technician.
• If the GFCI light alternates between hi and low brightness during
normal operation, the unit has reached end of life and needs to
be replaced.
Power Off
• To turn the thermostat off, press the button and select
from the screen displayed.
• To restore operation, touch the screen and select the power on
button displayed.
Make sure the mortar has had time to fully cure before operating the system for more than a brief test.
Before first using the Wi-Fi features of this product, you must accept the Terms of Use, as amended from time to time and available
at https://www.watts.com/terms-of-use. If you do not accept these terms, this product can still be used without Wi-Fi features.
Touch the time, date or temperature to quickly access settings. Advanced settings are accessed by touching the Setting button.
Touchscreen Operation
58
°F
74
°F
Floor
Smart Start
Outdoor
6:27Fri, May 01
AM
HEATING
TESTRESET
GFCI / TEST MONTHLY
Current date
Touch to change date and time
Schedule is enabled Touch to change schedule
Operational status
Help screens
Use this button to read more about the setting currently displayed.
The active view will remain after closing the help screen.
Adjust setting
up or down
Menu Selection
Touch to view menu items
Wi-Fi connection status
Symbol changes to indicate Full
Connection, Local Network Only,
or No Connection
Current oor or room temperature
The floor or room temperature 'Control' setting in the 'Setup' menu determines
which temperature is displayed. 'Room Max' or 'Floor Max' appear below
if the target temperature is being limited by another setting. 'Smart Start'
will display if the heat is on prior to a schedule event time.
Weather icon display
Requires Wi-Fi connection and the correct location setting
Current time Touch to change date and time
Secondary
temperature or setpoint
Touch to cycle between
viewable items
Menus
TIME
Time & date Set the time and date
Options
Time format, time source, time zone
and daylight savings settings
SETUP
Floor Maximum 40°F to 99°F (4.5°C to 37°C)
Room Maximum Off, 60°F to 95°F (15.5°C to 35°C)
Control Floor, Room
Set Floor Away Off, 40°F to 99°F (4.5°C to 37°C)
Set Room Away Off, 40°F to 95°F (15.5°C to 35°C)
Weather Compensation Off, On
WWSD Off, 40°F to 100°F (4.5°C to 37.5°C)
WIFI
WiFi On, Off
Network SSID Select name and enter password
Postal/Zip View or edit postal/zip code
Register Device
Generate code to enable remote
connection
Deregister Device Select to deauthorize remote access
SCHEDULE
Set Wake, Leave, Return, Sleep event times and temperatures
New Program Create new program schedule
Smart Start Off, On
Program Off, On
DISPLAY
Temperature Units ° F, °C
Brightness Wake/Return Off, 30 to 100%
Brightness Leave/Sleep Off, 30 to 100%
Theme Light, Blue, Night, Latte, Espresso
Languages English, Spanish, French
Clean Screen No, Yes
TOOLBOX
Error Displays error message if one exists
Heat Hours Displays operating hours
Room Offset -5° to +5°
Software Version Displays type and software version
Load Defaults Load factory defaults into memory
IOM-ST-Connect 2018
Power off SunStat. Touch display for power on option.
HOME Exit menu system
Press
to accept. Press to return to the previous view.
WIFI
• Change the Wi-Fi setting to On to enable remote access.
Network SSID
• Select the name of the Wi-Fi network the thermostat should
connect to and a password if required.
Postal/Zip code and address information
• Enter a postal or zip code if needed to the correct the location
settings (used for outdoor temperature and weather icons).
Register Device
• Register device using the Watts Home App
Deregister Device
• Select to deauthorize existing account access if a change in users
is required. To provide access to a new account after using this
setting, use the 'Register Device' option to create a new code.
The Display menu allows you to customize preferred display units,
brightness, color themes and language options. A Clean Screen
feature enables cleaning without affecting operation.
Error
• If there is currently an error, it will display as the first item.
Heat Hours
• Displays the heating duration by day or month.
Room Offset
• This feature can offset operation to account for over or under
heating present at the sensor location.
Software Version
• Displays product software version.
Load Defaults
• Select 'yes' to reload the factory default settings.
Away Settings
• In the Setup menu, the Floor Away or Room Away temperature
can be selected, or set to Off (the default).
•
The Away override is controlled using the mobile application,
website or a home automation system. When the thermostat is
set to Away by the mobile application, a cancel button displays
on the thermostat.
Weather Compensation
When set to On, the thermostat automatically adjusts heating
operation to compensate for changing weather conditions.
Warm Weather Shut Down
• When enabled, this feature saves energy by not operating the
floor heating when the outdoor temperature is above the setting.
Select a WWSD temperature, or Off in the Setup menu.
Set the time and date. Select 'Options' to access other settings
including time source, 12- or 24-hr display, time zone and automatic
daylight savings time. 'Cloud' (network) time is available from the
'time source' setting if a Wi-Fi connection is available.
• The Wi-Fi connection must be successfully setup before remote
access is available.
• Download the Watts(R) Home mobile app from the Apple App
Store or Google Play store.
• Create a new account or log in with your credentials.
•
To link a SunStat to the account, touch the button on your
thermostat then select the 'WiFi' menu.
• Touch the 'Register Device' link to generate a code.
•
Enter this code in the 'Connect Device' section of your account.
• Once connected, settings can be adjusted at any time by
logging in to your Watts Home mobile app.
•
Use the 'Deregister Device' option to deauthorize access from
existing accounts if a change in users is required.
•
Once connected, setting can be adjusted at any time by signing
into the Watts(R) Home app.
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
For more information: Watts.com/prop65