2
TABLE OF CONTENT
Installation
................................................................................................................................................................................3
Wall mounting (vertical) .............................................................................................................................................4
Duct connection ............................................................................................................................................................5
Condensate drain .........................................................................................................................................................5
Duct system ...................................................................................................................................................................6
Insulation of ducts in cold loft spaces ..................................................................................................................6
Insulation of ducts in heated spaces .....................................................................................................................7
Reheating of the supply air .......................................................................................................................................7
Electrical installation..................................................................................................................................................8
Inspection and initial adjustment of appliance .................................................................................................8
Optimum initial adjustment of plant .....................................................................................................................8
Maintenance of ventilation unit ..............................................................................................................................9
Spare parts
..............................................................................................................................................................................11
Trouble shooting
....................................................................................................................................................................12
Safety thermostat in electrical heater .............................................................................................................12
The system is not running ......................................................................................................................................12
Air faults .......................................................................................................................................................................12
Alarms ...........................................................................................................................................................................12
Electrical diagram – OPT251
............................................................................................................................................13
Electrical diagram – OPT260
............................................................................................................................................15
Declaration of Conformity
................................................................................................................................................18
Disassembly Instructions
..................................................................................................................................................19
