Display
% of duty cycle
1 to 24%
25 to 49%
50 to 74%
75 to 99%
100%
Radistat-Pro
User Guide
Programmable Thermostat
Description
Radimo’s Radistat-Pro programmable thermostat can be connected to an
electric heater to control the room temperature.
On/Off switch *
Time and day display
Appears
when
Power-up
Upon power-up, the thermostat is in manual mode ( ) and displays the
actual temperature.
Press the Hour and Min buttons to set the time.
Press the Day button to set the day.
the setpoint is
displayed
Day and time
settings
Heating power **
Program button
Program
clear button
Mode selection /
program exit
Backlight button
Temperature display
Mode display
Preset temperature
icon
Period display
Temperature
preset buttons
Temperature
adjustment
buttons
Error Messages
LO
: The measured temperature is below 32°F (0°C).
Heating is activated.
HI
: The measured temperature is above 122°F (50°C).
Backlight
When the backlight button is pressed, the display illuminates for 5 seconds.
When either of the
buttons is pressed, the display illuminates for 10 sec-
*
Set the switch to Off to cut power to the heater. This will not affect the time and
temperature settings.
**
The thermostat displays the heater duty cycle required to maintain the desired
temperature. For example, appears when the heater is activated 40 percent of
the time.
onds.
Setpoint
Temperature Setting
Assembly/Disassembly
•
To remove the control module from the
power base,
loosen the
captive
screw
underneath the thermostat and pull the two
components apart as shown.
•
To install the control module onto the power
base, reverse the above procedure.
NOTE:
Always keep the thermostat's vents clean and
unobstructed.
Configuration
Some thermostat configurations can be
modified via the switches on the back of the
control module.
Default (factory) settings are inside the gray cells.
#
Functionality
UP
DN
SW1
Temperature format
a
°F
°C
SW2
Early Start
b
Disable
Enable
SW3
Time format
12-hour
24-hour
a. If you change the temperature display format, the preset buttons ( , and
)
will return to their default settings.
b. Early Start functions in Automatic mode only. When this function is enabled, the
thermostat calculates the optimal time to start heating in order to obtain the desired
temperature by the set time. The thermostat re-assesses the start time daily based
on the previous day’s performance.
The thermostat generally displays the actual temperature. To view the
setpoint, press one of the
buttons once or press the backlight button. The
setpoint will appear for the next 5 seconds.
To change the setpoint, press one of the
buttons until the desired temper-
ature is displayed. To scroll faster, hold the button.
Preset buttons
The thermostat has 3 temperature preset buttons:
Comfort preset button
Economy preset button
Vacation preset button
To use a preset temperature, press the appropriate button. The corresponding
icon
,
or
will be displayed.
The following table shows the intended use and the default setting of each of
the preset buttons.
Icon
Intended use
Default setting
New
Comfort
(when at home)
70°F (21°C)
Economy
(when asleep or away from home)
62°F (16.5°C)
Vacation
(during prolonged absence)
50°F (10°C)
To store a preset temperature:
Set the desired temperature using the
buttons.
Press and hold the appropriate preset button until the corresponding
icon is displayed.
Press Mode/Ret to exit.
www.radimo.com
2/2
