LMF Clima LCE - Control Logic

Light Electronic Control DzLCEdz User Manual
Light control manual-ENG-neutro_03.docx Rev. 04 EN 1 / 6
firmware 2.4
EN
Control features:
 Automatic / Manual 3 speed fan
 3 point cooling / changeover floating valve
 3 point heating floating valve
 ON-OFF Electric heater
 Post ventilation
 Free cooling - Free heating damper
 Alarm management and diagnostic
o Sensor failure
o Heater over temperature
o Dirty filter alarm
 Clock program management
 Remote ON-OFF
 Remote display with internal sensor
Control logic
In the following diagrams is explained the summer-winter control logic
Heating
Heating logic
Ventilation
+
2°C
Tsp-Te
Tsp-Treg
Cooling logic
Ventilation
By-pass
+ By-pass
Cooling
2°C
Tsp-Te
Tsp-Treg
Cooling modulation
By-pass
Cooling modulation
+
Heating modulation
Ventilation
2°C
1°C
1°C
Heating
Heating modulation
+ By-pass
By-pass
2°C
Ventilation
Cooling
By-pass
0.5°C
0.5°C
Treg = regulation probe temperature
Tsp = Set point temperature
Te = External probe temperature