Das Szenario
Design the electrical distribution for a chiller compressor motor in a commercial HVAC system, including motor control via a variable frequency drive.
Was diese Zeichnung zeigt
Die dahinterstehenden Entscheidungen verstehen.
01
Select a VFD for soft-start and variable speed operation
02
Provide a dedicated branch breaker sized for the VFD input current
When creating electrical submittal drawings for motor-driven HVAC equipment, especially for energy efficiency requirements per ASHRAE 90.1.