Dayton 4HZ32

Dayton

Exhaust Vent, 8 1/4 In

4HZ32 48937
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Specs

ItemExhaust Ventilator
TypeCentrifugal Upblast Direct Drive, 3 Speed
Wheel Dia. (In.)8-1/4
CFM @ 0.000-In. SP266/223/180
CFM @ 0.125-In. SP222/170/109
CFM @ 0.250-In. SP172/97/-
CFM @ 0.375-In. SP95/-/-
Sones @ 0.250-In. SP @ 5 Ft.4.1/2.9/-
Motor Voltage115
Phase1
Hz60
Max. Operating Amps1.30/0.92/0.68
Motor HP1/30
Max. BHP0.03
RPM1550/1300/1050
Base Width (In.)19
Base Length (In.)19
Base Height (In.)1-3/4
Overall Dia. (In.)18-3/8
Overall Height (In.)15-1/4
Shaft Dia. Wheel End (In.)5/16
Mounting LocationRoof
Max. Inlet Temp. (Deg. F)130
Housing MaterialSpun Aluminum
Wheel MaterialAluminum
Wheel TypeBackward Incline
Speed Control1DGV1
Speed Controllableat 115 Volt Only
Agency ComplianceUL/cUL 705
Requires Roof Curb For New Installation
Includes NEMA 1 Junction Box
Adj. 12 3/8"H Roof Curb Stock No.2ZV82
Adj. 6 3/8"H Roof Curb Stock No.4C453
Recommended 12 In. Fixed Curb Item No.2RB75
Recommended 8 In. Fixed Curb Item No.4HX38
UNSPSC40101502
Weight 23.350000

Description

Exhaust Ventilator, Centrifugal Upblast Direct Drive, 3 Speed, CFM @ 0.000-In SP 266/233/180, @ 0.250-In SP 172/97/-, 4.1/2.9/- Sones @ 0.250-In SP, Roof Mounting Location, Base Width 19 In, Base Length 19 In, Max Inlet Temp 130 F, Motor Voltage 115, 1 Phase, Motor HP 1/30, 1550/1300/1050 RPM, Wheel Dia 8 1/4 In, Speed Controllable Except For Kitchen Applications, Requires Roof Curb For New Installation, Includes NEMA 1 Junction Box

Restrictions
  • Note: Speed controllers available for 115V units only. For kitchen application, check with local code authorities for minimum duct velocities. Do not use dampers in any kitchen application. NFPA 96.

Centrifugal Direct-Drive Upblast Exhaust Ventilators
  • 3-Speed
  • For general clean air with inlet air temps. below 130 F. 3 specific RPMs; speed controllable on any RPM providing 30% useable turndown. UL 705 Listed for Power Ventilators.
  • Aluminum, backward-inclined wheel 1-piece rolled aluminum windband fully welded to base Motor, drive frame, and blower wheel are isolated from mounting base Motor compartment is isolated from contaminated air NEMA 1 junction box in motor enclosure (Hazardous units have NEMA 7 & 9 disconnect switch) UL and C-UL Listed (Motor only UL Listed for Class I Groups C & D, and Class II Groups F & G for hazardous location units)

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