TABLE OF CONTENTS
Safety information
..................................................................................................................................................................3
Functional description
...........................................................................................................................................................4
Installation
.................................................................................................................................................................................5
Wall mounting (vertical connections) .....................................................................................................................5
Floor mounting (vertical connections) ...................................................................................................................6
Dimensional sketch .......................................................................................................................................................7
Horizontal mounting of the unit (horizontal connections) .............................................................................7
Duct connection .............................................................................................................................................................8
Duct system ..................................................................................................................................................................10
Insulation of ducts in cold attics ...........................................................................................................................11
Insulation of ducts in heated rooms ....................................................................................................................11
Post-heating of supply air .......................................................................................................................................11
Electrical installation ................................................................................................................................................12
Control and commisioning of the system ...........................................................................................................12
Optimal initial commisioning of the system ......................................................................................................12
System maintenance
...........................................................................................................................................................13
Filters..............................................................................................................................................................................13
Access to internal parts ...........................................................................................................................................14
Cleaning and inspection of rotary heat exchanger .........................................................................................15
Post-heating surface .................................................................................................................................................16
Fan ...................................................................................................................................................................................16
Supply air and exhaust air valves .........................................................................................................................16
Recommended maintenance intervals ...............................................................................................................17
Spare parts
..............................................................................................................................................................................18
Troubleshooting
....................................................................................................................................................................19
Safety thermostat in electric heating surface ....................................................................................................
19
System not running .................................................................................................................................................. 19
No supply air ...............................................................................................................................................................19
No exhaust air .............................................................................................................................................................19
Cold supply air ............................................................................................................................................................19
Alarms .......................................................................................................................................................................... 19
Electrical diagram Optima 270 – right
..........................................................................................................................20
Electrical diagram Optima 270 – left
...........................................................................................................................21
Power consumption display, control and rotor
..........................................................................................................22
Declaration of conformity
.................................................................................................................................................23
De-installation instructions
..............................................................................................................................................23