44
6022221B - Direct Drive HVLS Fan UM
November 2022
Electrical Schematics
550-600V SUPPLY WIRING DETAILS — OPTIONAL
To connect a 480V fan to a 550-600V building supply, you must install a step down transformer
assembly (6017277) between the power supply and the VFD enclosure. Wiring (by others) must be
600V rated 14 awg. All wiring must be installed in accordance with any national, state or local code
requirements.
The transformer assembly is rated for one single fan load only. Each fan must have its own step
down transformer assembly (6017277).
1. Locate and mount the step down transformer outside the blade arc and near the VFD
transformer assembly.
2. Route the supply power from the building source to the step down transformer.
3. Follow
Install Motor Cover on page 29
using the power from the step down transformer as the
power source.
Figure 31
TOC