background image

Customizing the Program Schedule

Press 

Program 

(button with calendar). The schedule shown is set for the 

highlighted days shown at the top of the display. This is a 7-day programmable 

thermostat, so each day can have its own schedule.  Press 

 to browse through 

each day(s) schedule.

How does a schedule work?

Example:

•  To have the floor warm up to 82F at 6:00 AM in the morning, set the WAKE 

period to these values.

•  To save energy and allow the floor to cool to 74F after leaving at 8:00 AM, 

set the LEAVE period to these values.

•  To have the floor warm again to 82F when returning home at 5:00 PM, set 

the RETURN period to these values.

•  Finally, to save energy overnight and cool the floor to 74F after 10:00 PM, 

set the SLEEP period accordingly.

NOTE: With the SmartStart feature turned on (see SmartStart below), the 

thermostat will learn how long it takes the floor to reach 82F and begin warming 

up a little early, reaching 82F by the WAKE time 6:00 AM and again at the 

RETURN time 5:00 PM.
To modify the schedule, select the period and then adjust the Start time and the 

setpoint temperature using 

 

and

 

. To save these new settings, press 

Done!

.

To clear a period, useful if you want to only raise and lower the floor 

temperature once in a day, select the “Disable this period” option. The schedule 

will skip over this period in the schedule. There must be two periods in the 

schedule.

Building a New Schedule

To build a completely new schedule, press 

New Schedule

. Follow the on-

screen steps to select the days to schedule and modify each period to the 

desired time and temperature. Pressing 

Next

 will take you to the remaining 

days to be scheduled. Continue modifying the schedule for each day as needed.  

When all days have been completed, press 

Done!

 to save these settings.

Changing Settings

Date/Time

Press  . Press

 

 to find 

Date/Time

 and select it. The 

Time

 display will show.  

Set the time by adjusting with the arrow buttons. Select 

Date

. Set the month, 

day and year. This thermostat will automatically adjust the time for daylight 

savings. If you want this ability turned off, de-select the box “Adjust for Daylight 

Savings”. When finished, select 

Done!

.

Clock and Temperature Format

Press  . Press

 

 to find 

Format

 and select it. The display will show the current 

formats highlighted. Select the desired formats and then press 

Done!

.

Screen Brightness

The brightness during idle time can be adjusted. Press  .  Press 

Brightness

Adjust the brightness with

 

 and

 

 and press 

Done!

 to save this setting.

Language

Press  . Press

 

 to find 

Language

 and select it. Select the desired language 

and press 

Done!

 to save this setting.

Floor Limit

The thermostat can be adjusted for the minimum and maximum allowable 

setpoint temperatures of the floor sensor. This is useful when the floor covering 

cannot exceed a certain temperature (84F is common for many wood or 

laminate products. Consult your floor covering manufacturer for recommended 

limits.). It is also useful to limit adjustment by users. And it is useful if the 

thermostat is being operated in Air Sensing mode (see Sensor Regulation below) 

but it is still desired to maintain a minimum floor temperature regardless of the 

air temperature.
Press  . Press

 

 to find 

Floor Limit

 and select it. Adjust the Minimum and 

Maximum allowed floor temperature setpoints and  press 

Done!

 to save these 

settings.

Sensor Regulation

The thermostat is designed to operate best in Floor Sensing mode. It is also 

possible to operate in Air Sensing mode with Floor Sensing limitation. However, 

make sure to set a proper maximum Floor Limit temperature (see Floor Limit 

above) to avoid overheating certain floor coverings. Also note that internal 

heating in the thermostat may affect the air sensor temperature reading.
Press  . Press

 

 to find 

Sensor Regulation

 and select it. Select the desired 

sensor mode and press 

Done!

 to save this setting.

SmartStart

The thermostat is factory set with the “SmartStart” feature turned on. This 

allows the thermostat to learn and automatically determine the best time 

to begin heating, reaching the setpoint temperature at the scheduled time. 

For example, the schedule may have a “WAKE” start time of 6:00AM to be 

82F (27.8C) and SmartStart may begin pre-heating at 5:30AM to reach 82F by 

6:00AM.
If this feature is not desired, it may be turned off.  Press  .  Press 

 

  to select 

“SmartStart”.  Select “ON” or “OFF” and press 

Done!

 to save this setting.

Other Features

Usage

The thermostat stores in memory the number of hours that it is heating. This 

information may be useful in calculating the energy used by the floor heating 

system.
Press  .  Press

 

 to select “Usage”. The display shows the number of hours 

it was heating the last 24 hours, last 7 days, 30 days, and since it first started 

heating. To reset these counters to zero, press “Clear”.  Press 

Done!

 to save this 

setting.

Brightness

The screen brightness may be adjusted. Press  .  Select “Brightness”. Adjust 

the brightness and press 

Done!

 to save.

Clean Screen

To allow the screen to be cleaned without button functions for 30 seconds, press  

. Select “Clean Screen” and confirm.

IMPORTANT:  Use a dry or damp soft cloth only to clean the screen. Do not 

spray the screen directly and do not use harsh solvents or abrasives as this may 

damage the screen and control.

Calibration

Under special circumstances it may be desired to slightly adjust the temperature 

that is displayed for the sensor.  Normally this is not recommended. However, 

it can be done by pressing   .  Press 

 

  to select “Calibration’. The display will 

show the current sensor temperature and the offset value. Adjust by pressing 

 

or

 

.  Press 

Done!

 to save.

Reset Factory Defaults

To reset all programming and settings to the factory defaults, press   . Press

 

 

to select “Factory Settings”.  It will ask you to confirm by pressing 

Yes

, or press 

Cancel

 to cancel.

Summary of Contents for SunStat 500750

Page 1: ...ighting and direct sunlight Locate it at a suitable height normally about 4 1 2 to 5 1 4 m to 1 5 m from the floor Mounting the Electrical Box When mounting on an existing wall cut the opening for the electrical box for the control To make it easier to pull the wiring wait to install the electrical box until after all wiring is drawn into this opening When mounting on an open wall secure the elect...

Page 2: ...Features and Display Press anywhere on the display if the screen is blank This wakes the display On Off and GFCI On Off and Reset Pressing will turn the thermostat on or off This also Resets the thermostat to clear an error or GFCI fault See GFCI Testing and Troubleshooting GFCI Testing The GFCI Ground Fault Circuit Interrupter in this control must be tested when installation is finished and once ...

Page 3: ...ertain temperature 84F is common for many wood or laminate products Consult your floor covering manufacturer for recommended limits It is also useful to limit adjustment by users And it is useful if the thermostat is being operated in Air Sensing mode see Sensor Regulation below but it is still desired to maintain a minimum floor temperature regardless of the air temperature Press Press to find Fl...

Page 4: ...t 120 VAC 3600 watts at 240 VAC GFCI Class A 5 milliamp trip nominal Display Range 32 F to 99 F 0 C to 37 C Setting Range 40 F to 99 F 4 C to 37 C Accuracy 0 9 F 0 5 C Environment Indoor dry location only Storage Temperature 0 F to 120 F 17 C to 49 C Floor Sensor Thermistor 10k NTC type double insulated Memory Programming retained indefinitely Current time day will need reset if power is lost more...

Reviews: