Contents
1 Warnings................................................................................................................................... 1
2 Product Description.................................................................................................................... 2
2.1 Principle drawing .............................................................................................................. 2
2.2 Component description EL and HW units ........................................................................... 3
2.3 Heat Exchanger ............................................................................................................... 4
2.4 Heater Battery.................................................................................................................. 4
2.5 Electrical Heater ............................................................................................................... 4
2.6 Hot Water Heater ............................................................................................................. 4
4.1 Before Starting the System ............................................................................................... 7
4.2 Initial Configuration........................................................................................................... 7
4.3 Software Description......................................................................................................... 8
4.4 Free cooling description ....................................................................................................13
4.5 Changing fan speed .........................................................................................................13
4.6 Fine tuning of fan speed....................................................................................................14
5.1 Important .........................................................................................................................15
5.2 Maintenance Intervals.......................................................................................................15
5.3 Maintenance Instructions ..................................................................................................16
5.3.1 Changing Supply/Extract air filter .............................................................................16
5.3.2 Checking the heat exchanger ..................................................................................16
5.3.3 Checking the fans ...................................................................................................19
5.3.4 Cleaning extract louvres and inlet diffusers ...............................................................19
5.3.5 Checking the outdoor air intake................................................................................19
5.3.6 Checking the duct system........................................................................................19
5.3.7 Changing the Internal Battery ..................................................................................20
