The T6811/6812 work for the following applications:
2-pipe cool only
2-pipe heat only
2-pipe heat/cool manual changeover
Ventilation mode
Manual 3-speed fan control
Water valve control
FEATURES
Sleek modern design, suitable for office, hotel and
Residential buildings
Large LCD display with English and icon display
Easy to install and set-up
Electable room temperature or set point display
Manual fan speed selection
Adjustment of display room temperature
Temperature display in either °C or °F
Permanent memory retention
Keypad Lockout
Heat and cool range stops for energy savings