Dayton 4YC73

Dayton

Exhaust Vent, 16 3/4 In

4YC73 49677
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Specs

ItemExhaust Ventilator
TypeCentrifugal Direct Drive Downblast
Wheel Dia. (In.)16-3/4
CFM @ 0.000-In. SP2540
CFM @ 0.125-In. SP2344
CFM @ 0.250-In. SP2145
CFM @ 0.375-In. SP1913
CFM @ 0.500-In. SP1596
Sones @ 0.125-In. SP @ 5 Ft.10.0
Sones @ 0.250-In. SP @ 5 Ft.9.6
Motor Voltage115
Phase1
Hz60
Max. Operating Amps5.0
Motor HP1/4
Max. BHP0.26
RPM860
Base Width (In.)26
Base Length (In.)26
Base Height (In.)1-3/4
Overall Dia. (In.)28-3/8
Overall Height (In.)23-3/4
Shaft Dia. Wheel End (In.)1/2
Mounting LocationRoof
Max. Inlet Temp. (Deg. F)130
Housing MaterialSpun Aluminum
Wheel MaterialAluminum
Wheel TypeBackward Incline
Speed Control1DGV2
Speed ControllableYes
Agency ComplianceUL/cUL 705
RequiresCurb For New Installations
Includes NEMA 1 Junction Box
Adj. 12 3/8"H Roof Curb Stock No.2ZV83
Adj. 6 3/8"H Roof Curb Stock No.4C454
Recommended 12 In. Fixed Curb Item No.2RB77
Recommended 8 In. Fixed Curb Item No.4HX40
Recommended Damper Size (In.)19 x 19
Recommended Damper Stock No.4HX66
UNSPSC40101502
Weight 67.000000

Description

Centrifugal Exhaust Ventilator, Direct Drive Downblast, CFM @ 0.000-In SP 2540, @ 0.250-In SP 2145, 9.6 Sones @ 0.250-In SP, Roof Mounting Location, Base Width 26 In, Base Length 26 In, Max Inlet Temp 130 F, Motor Voltage 115, 1 Phase, Motor 1/4 HP, Wheel Dia 16 3/4 In, Housing Material Spun Aluminum, Speed Controllable, General Purpose Application, Includes NEMA 1 Junction Box

Restrictions
  • Note: 8" models cannot be used with dampers or shutters.

Centrifugal Direct-Drive Downblast Exhaust Ventilators
  • For use in general clean air environments Aluminum backward-inclined, nonoverloading centrifugal wheel design Fully rolled windband bead for increased stability Motor compartment is isolated from the air stream and is cooled by outside air NEMA 1 junction box located in motor enclosure Max. inlet air temp.: 130 F UL-705 Listed for Power Ventilators
  • 1-Speed
  • Ventilators have single-speed motors which are fully speed controllable at 115V and feature Class B insulation.

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