Dayton Centrifugal Downblast Roof Exhaust Fan Direct Drive 855 cfm, 48C189

No. of Blades

-

Sound Level

Fan RPM 1140: 4.5 sones @ 0.000 in SP and 5 ft, 4.4 sones @ 0.125 in SP and 5 ft, 4.6 sones @ 0.250 in SP and 5 ft Fan RPM 1725: 9.7 sones @ 0.000 in SP and 5 ft, 9.5 sones @ 0.125 in SP and 5 ft, 9.4 sones @ 0.250 in SP and 5 ft, 9.2 sones @ 0.375 in SP and 5 ft, 9.1 sones @ 0.500 in SP and 5 ft, 9.1 sones @ 0.625 in SP and 5 ft, 11.0 sones @ 0.750 in SP and 5 ft Fan RPM 860: 2.1 sones @ 0.000 in SP and 5 ft, 2.2 sones @ 0.125 in SP and 5 ft

Power Consumption

-

Application

Industrial and Commercial Applications

Phase

1

Standard

AMCA Sound and Air UL/cUL 705

Speed

1725 RPM

Color

-

Features

Energy Saving Units Feature Ec Motors Which Allow up to 80% Useable Turndown Fresh Outside Air is Drawn In Under The Motor Cover to Maximize Motor Life Fully Rolled Windband Bead For Increased Stability and Easy Transport High-Efficiency Brushless DC Motor Motor Features Potentiometer Dial for Speed Adjustment Nema 1 Junction Box Located in Motor Enclosure Nonoverloading Centrifugal Wheel Design Optional Nema 1 And 4 Disconnects Available

Mount Type

Roof Curb

Nameplate Voltage

115 V AC

Mounting Location

Roof

Overall Diameter

21-3/4 inch

Overall Width

55.25 cm

Base Height

4.4 cm

Housing Width

21.8 inch

Assembly

Assembled

Speed Control

35YV92 35YV93 35YV94 43Y140

Motor Enclosure

Totally Enclosed Fan Cooled

Wheel Material

Aluminchum

Spark Resistant Construction Type

A

Air Type

Clean Air

Brake Horsepower

1/100 hp

Housing Length

21.8 inch

Exhaust Airflow @ 0.000 in SP

855 cfm

Exhaust Airflow @ 0.125 in SP

794 cfm

Exhaust Airflow @ 0.250 in SP

735 cfm

Pressure Static

3/4 inch wc

Maximum Inlet Air Temperature

130 °F

Exhaust Airflow @ 0.500 in SP

600 cfm

Overall Height (cm)

102.21 cm

Overall Width (mm)

552.45 mm

Wheel Diameter (mm)

209.55 mm