Серия VLT ® 6000 175ZA691.14 VLT 6000 HVAC Operating Instructions Software version: 3.0x These Operating Instructions can be used for all VLT 6000 HVAC frequency converters with software version 3.0x. The software version number can be seen from parameter 624. MG.61.A2.50 - VLT - зарегистрированныйтоварный знаккомпании Danfoss 4