General Features：

1.4 factory predefined programs and 5 user programmable programs. A program is defined as the temperature setting of each hour of a day. Temperature setting can either be "Comfortable" or "Economic".Programs can be freely assigned to a week in any combination.
2. Wide LCD display and blue LED backlight(option).
3. With charge battery backup,over 100 hours for clock and programs only.
4. Alive working status indicator in the screen.
5. Real time clock with day of week and room/floor temperature display.
6. Simplified and easy setting by rubber buttons.
7. Three types of override:(A) Override by toggling between "Comfortable" and "Economic" setpoint.(B) Override by directly adjusting setpoint temperature.(C) Override by entering Antifreeze. Override Period:hour from 0 - 24 and day from 0 -14 day.
8. The dual Sensor design to be used with floor heating system.
9. Slim and simplified 86 housing design for installation on the wall 。
10.Switching span:-3.75 to +3.75°C,°C/°F user selection.

Operation Characteristics:

*Power supply：2 AA battery and 110/220VAC，3A/5A/8A/16A(Option).
*Room temperature setting range：5 to 34.5°C.
*Room temperature display range：0 to 40°C.
*Floor temperature setting range：10 to 55°C.
*Floor temperature display range：0 to 60°C.
*Temperature display range：0.25°C.

Environment Characteristics:

*Operating Temperature：-10 to 50°C.
*Storage Temperature：  -30 to 60°C
*Operating Humidity：5~95%.

Physical Characteristics:

*Size: 85(W)X85(L)X[12(outside the wall)+23(inside the wall)](H)mm
*Material: ABS (Fireproofing).