Electromechanical room thermostat for 4-pipe fan coils, selector heating/cooling

Stock no. S55770-T229

Stock no. S55770-T229

  • Heating or cooling applications

  • Selector for heating or cooling mode

  • Selector for 3-speed fan operation

  • Manual fan operation or automatic fan operation parallel with heating / cooling mode (depending on the selector's position) can be configured inside the unit




50/60 Hz

Ambient temperature, operation

0…50 °C

Setpoint setting range

8…30 °C

Switching differential

≤1 K

Switching voltage

AC 24...250 V

Switching current

0.2…6 (2) A

Type of fixing

Wall mouting with screws

Degree of protection


Dimensions (W x H x D)

99 x 110 x 35.3 mm