DU180H High Speed Direct Drive Centrifugal Upblast Exhaust Fan with, disconnect switch and 18-3/4" wheel.
Exhaust Fan handles 4200 CFM @ -0.600" wc ESP,  Fan runs at 1338 RPM.
Exhaust Motor: 2.000 HP, 3 Phs, 230 V, 60 Hz, 7.5 FLA, ODP, Premium (E-Plus3) Eff.
- VAV (Variable-Air-Volume) Wiring Package for Commercial Fans. 
Manual Speed Control Variable Frequency Drive Included
- ESV222N02YXB - Variable Frequency Drive - 3 HP Max., 200/240 V, Single or Three Phase Input, 9.6 A Max., NEMA 1 Enclosure
PART NEEDS PROGRAMMING - 208v 1ph
- VFD factory mounted and wired in unit control vestibule.
- VFD Mounting bracket for DU/DR 180 and 200.
- Insulated Heat Baffle for Exhaust Fans. Type 475FRK 1 inch thick insulation installed on the top side of the top plate and under the motor of upblast and downblast fans. Cut to fit shaft wrapper and around vibration isolators and motor cooling hole. Caulked down to top plate.
NOTE: SINGLE PHASE 230V INPUT VIA VFD