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1270469_1
EN | TABLE OF CONTENT
Directions for use in original.
IRB EC ...........................................................................................................4
Description ........................................................................................................................................4
WARRANTY .................................................................................................4
APPLICATION ...............................................................................................4
HOW TO HANDLE ........................................................................................5
INSTALLATION .............................................................................................5
EC-motor ............................................................................................................................................5
EMC-compatible installation of EXTERNAL control lines ...............................................................6
MODBUS (For more information about Modbus, visit www.ostberg.com). .................................6
OPERATION ..................................................................................................6
MAINTENANCE ............................................................................................6
Cleaning .............................................................................................................................................7
Access to the fan wheels
IRB 400x200-600x350 (rectangular) and IRB 200-350 (circular)......................................................7
Access to the fan wheels
IRB 700x400 EC – IRB 1000x500 (rectangular) and IRB 400-500 (circular) .....................................7
FAULT DETECTION .......................................................................................8
