TLC3-ECO-230 - Economizer


Programmable Economizer, compares outdoor temperature with indoor or control temperature, activates free heating or cooling.

The economizer 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.


  • Economizer: control of outdoor damper
  • For 3-point or spring return actuators
  • With enable for mechanical heating/cooling or fan


  • Low power energy consumption: < 1 W per unit
  • Relays switching for outputs each up to 300 W
  • Optional external temperature control input
  • Choose between one 3-point actuator and two binary outputs (1 outdoor damper, 1 mechanical enable or fan)
  • 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 control receiver


 Item name  Item code  Power supply  Description
 TLC3-ECO-230  40-100214   230 VAC/DC  Standard economizer with 1 internal and 1 external temperature sensor 
 2 relay normally open outputs
 TLC3-ECO-D-230  40-100215   230 VAC/DC  Deluxe economizer with 1 internal and 1 external temperature sensor
 2 relay normally open outputs
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


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


Operation Manual

Install Sheet

Application Notes