Product Overview

CONTROL SETTINGS AND PARAMETERS
• Press and hold down both the and buttons for 3 seconds to change from one step to the next.
• Release both buttons once the step has been reached.
• Press the
or the button to change the setting, if available.
• Press and hold down both the
and buttons for 3 seconds to go to the next step, OR
• After 15 seconds of no button activity, the display goes back to normal operation.
The following settings are essential to the successful operation of the heating system.
Press
Together
DISPLAY SETTING
User settings.
MODE
Select heat or off.
UNITS
Select the temperature units in degree Fahrenheit or Celsius.
BACK LIGHT
Select when the display back light should operate. Options are Off, Auto, and On. Auto operates the backlight
for 30 seconds after a keystroke.
F
SET FLOOR
Set the floor minimum temperature. Available when an auxiliary floor sensor is connected and the built-in room
temperature sensor is on.
TYPE
Device Type number. Hold the
button to view the software version.
ESCAPE
Release the
and buttons to return to the home screen.
Installer settings. Press the
and buttons together for 5 more seconds.
AUXILIARY SENSOR
Select the type of auxiliary sensor. Available when an auxiliary sensor is automatically detected. NONE
= no auxiliary sensor, ROOM = Indoor Sensor, OUT = Outdoor Sensor, FLOR = Floor Sensor
Room
ROOM SENSOR
Select if the built-in room temperature sensor is on or off. The built-in room sensor can only be disabled when
an auxiliary room or slab sensor is connected.
F
MAX
FLOOR MAXIMUM
Set the floor maximum temperature in order to protect the floor covering.
Suggested settings: Tile = 90°F (32°C), Wood Floor = 85°F (29°C)
ESCAPE
Release the
and buttons to return to the home screen.
+
C R Rh W1 S1 Com
No Power
C R Rh W1 S1 Com
No Power
Zone Valve
24 V
R C
Floor Sensor
Install field
jumper wire
R to Rh
Watts Radiant product specifi cations in U.S. customary units and metric are approximate and are provided for reference only. For precise measurements,
please contact Watts Radiant Technical Service. Watts Radiant reserves the right to change or modify product design, construction, specifi cations, or materials
without prior notice and without incurring any obligation to make such changes and modifi cations on Watts Radiant products previously or subsequently sold.
A Watts Water Technologies Company
USA: Springfi eld, MO • Tel. [phone] • Fax: [phone] • www.wattsradiant.com
Canada: Burlington, ONT. • Tel. [phone] • Fax: [phone] • www.watts.ca
ES-WR-Radiant_Thermostat-519 1324 © 2013 Watts Radiant
Do not apply line voltage (120 volt) power
to the thermostat. Applying anything other
than the recommended 24 volt power will
damage the thermostat.