The scenario
Design the electrical distribution for a chiller compressor motor in a commercial HVAC system, including motor control via a variable frequency drive.
What is in this drawing
Read the decisions behind it.
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.
More like this