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Bad ABB ACH550 VFD switch to ACH580
Автор: HVAC Slayer
Загружено: 2024-12-10
Просмотров: 106
Описание:
Was doing bearing replacement on supply fan motor. Guess the VFD did not like being off too long decided to end itself before I could start up the motor. Being a prepared tech I already had back up VFD for this unit as I have three of these Older Mcquay units. This ABB also took forever to get at the time when I ordered it last year sometime. Very expensive compared to Dan foss.
#hvac
#abb
#daikin
#vfd
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