Contents
1 Warnings................................................................................................................................... 1
2 Product Description.................................................................................................................... 2
2.1 Internal components ......................................................................................................... 2
2.2 Description of internal components .................................................................................... 3
2.2.1 Supply and Extract air Fans ..................................................................................... 3
2.2.2 Supply and Extract air Filters ................................................................................... 3
2.2.3 Heat Exchanger ...................................................................................................... 3
2.2.4 Temperature sensor ................................................................................................ 3
2.2.5 Water heating battery .............................................................................................. 3
2.2.6 Electrical Heater ..................................................................................................... 3
2.3 Internal components Electrical connection box ................................................................... 4
3 Interface Description .................................................................................................................. 5
3.1 Control Panel ................................................................................................................... 5
3.1.1 Operating the control panel...................................................................................... 5
4 Commissioning .......................................................................................................................... 6
4.1 Before Starting the System ............................................................................................... 6
4.2 Initial setup of the unit ....................................................................................................... 6
4.3 Menu overview ................................................................................................................. 8
4.4 Free cooling description ....................................................................................................24
4.5 Defrost function ................................................................................................................25
5 Maintenance..............................................................................................................................26
5.1 Important .........................................................................................................................26
5.2 Maintenance intervals .......................................................................................................26
5.3 Maintenance instructions ..................................................................................................27
5.3.1 Open the doors .......................................................................................................27
5.3.2 Changing Supply/Extract air filter .............................................................................28
5.3.3 Checking the heat exchanger ..................................................................................29
5.3.4 Checking the fans ...................................................................................................30
5.3.5 Checking the Hot water heating battery ....................................................................30
5.3.6 Checking the Electrical heating battery .....................................................................30
5.3.7 Cleaning the extract louvers and inlet diffusers .........................................................31
5.3.8 Checking the outdoor air intake................................................................................31
5.3.9 Checking the duct system........................................................................................31
5.3.10 Changing the Internal Battery.................................................................................31
6 Troubleshooting .........................................................................................................................32
6.1 Alarms .............................................................................................................................32
7 Service......................................................................................................................................33
