TLR-D5 with OPA-D5


Fan coil unit controller for 3-speed fans with 2 relays outputs for heating and cooling

The TLR-D5 is a stand-alone electronic single loop controller with a fan control option and a binary sequence. Its operating interface is the OPA-D5. The controller includes 1 NTC room temperature sensor and 3+2 relays outputs. A detailed adaptation to local conditions is possible with the use of a simple configuration routine. The TLR-D5 can be configured using the standard operation terminal. No special tools or software is required.

The TLR-D5 has been specifically developed to switch larger fans with switching power of up to 10(6) A.


  • Air only systems: three stage fans for single duct systems
  • Air/Water systems: induction units, fan coil units for 2- and 4-pipe systems



  • Temperature control for 2- and 4-pipe fan coil systems
  • Relays switching up to 10 (6) A
  • Automatic fan control for three stage fans
  • Control for heating, cooling and fan only operation
  • Cost saving option with economy functionality and set point limitation
  • For large rooms: Master - slave option, one terminal may drive up to 8 base units in parallel.
  • External senor or open contact for remote control, external heat - cool change or auto-changeover on supply or outdoor temperature with selectable activation limits one terminal may control up to 8 base units in parallel mode
  • Password protected programmable user ad control parameters
  • Temperature display in Celsius or Fahrenheit

Deluxe version:

  • Clock and time schedule functions with special option for schools and universities
  • Clock keeps running for 48 h in case of power failure
  • 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
 TLR-D5-24   40-110017  24 VAC/DC  Base unit with 5 binary outputs (relays)
 and 1 passive input 
 TLR-D5-230   40-110018  230 VAC/DC
 OPA-D5   40-100083    Standard operation terminal (88x88 mm) 
 OPA-D5-D   40-100084    Deluxe operation terminal (88x88 mm) 
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
Remote control unit for fan coil units of TLC3 and TLR product ranges
Temperature Sensors
Sensing elements or accessories for temperature sensors


Operation Manual

Install Sheet

Application Notes