TLC3-BCR-U - On/Off and Floating

Thermostat, 2-pipe for three state valve, 4-pipe for 2 on/off valves

The thermostat has one independent temperature control loop with one heating and one cooling sequence. One internal temperature sensor, one external temperature input, one auxiliary input for heat – cool changeover or high/low limit.

Flexible application configuration is made with a parameter-setting routine using the standard operation terminal.


  • Radiant heating / radiant cooling
  • Small air handlers
  • Constant air volume systems
  • Frost protection
  • General temperature control


  • Low power energy consumption: < 1 W per unit
  • Relays switching for outputs each up to 300 W
  • Temperature control for 2 or 4-pipe heating or cooling systems
  • Optional external temperature input
  • New feature: high temperature range of external input up to 150 °C (302 °F)
  • Choose between one 3-point actuator and two binary heating/cooling stages
  • Reversing valve options
  • New with V3.1 dual stage option
  • Cost saving option with economy functionality and set point limitations
  • Multiple auxiliary functions: heat-cool auto changeover, automatic enable, high or low limits
  • Password protected programmable user and control parameters

Deluxe version

  • Power cap protected real-time clock with 48 h power backup
  • Time schedule events, with many options
  • Display with blue backlight
  • Infrared remote controller option: with special features for boost and delayed switching on or off


 Item name  Item code  Power supply  Description
 TLC3-BCR-U-230  40-100160   230 VAC/DC  Standard binary controller with 1 RT int., 2 RT ext., 2 DO (relay)
 binary valve control
 TLC3-BCR-U-D-230  40-100161   230 VAC/DC  Deluxe binary controller with 1 RT int., 2 RT ext., 2 DO (relay) 
 binary valve control
Parameter preset      
 -W01  40-100xxx- 01  Cooling  only   Add -Wx at the end of the item name or -x at the end of item  code to order  preconfigured model


OPR1 - Fan Coil Remote Control
OPR1 - Fan Coil Remote Control
Remote control unit for fan coil units of TLC3 and TLR product ranges
Temperature Sensors
Temperature Sensors
Sensing elements or accessories for temperature sensors


Operation Manual

Install Sheet

Application Notes