Articles Tagged with ''motors for HVACR''

A preventive maintenance program at a leading New England Ivy League university demonstrates how the push for more sustainable building management has led to a growing awareness of a chronic, widespread problem for HVAC motors: electrical bearing damage.

Shaft currents induced by VFDs can wreak havoc with bearings, so a reliable method of shaft grounding is essential.

Learning to understand the relationship between motor and speed and poles will help you become a more effective field service technician.