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Item Details - 48C178

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Alert This item has been discontinued and cannot be ordered online.

DaytonVariable Speed Electronically Commutated (EC) Ventilator

Designed for use in schools, commercial, and industrial applications to exhaust clean air, up and away from the roof. Leakproof, spun aluminum construction features a fully rolled windband for increased stability. Energy Saving units feature EC motors which allow up to 80% usable turndown. Motor features potentiometer dial for speed adjustment. Optional Variable-Speed Control Kit (43Y140) can be used to remotely control speed.

  • Aluminum backward inclined, nonoverloading centrifugal wheel design
  • NEMA 1 junction box located in motor enclosure
  • Optional NEMA 1 and 4 disconnects available
  • Maximum inlet air temperature: 130º F
  • High-efficiency brushless DC motor
  • UL/cUL 705 Listed for Power Ventilators

GREEN Product GREEN ProductAgency Compliance

Performance

Motor HPMax BHPFan RPMCFM @
0.000'' SP0.125'' SP0.250'' SP0.375'' SP0.500'' SP
1/6
0.01
860
CFM
Sones
1/6
0.02
1140
CFM
Sones
1/6
0.06
1725
CFM
Sones
0.000'' SP0.125'' SP0.250'' SP0.375'' SP0.500'' SP
23595———
1.91.0———
312222———
3.73.1———
472413355289199
8.07.06.16.06.3
Agency Compliance

Dayton Electric Mfg. Co. certifies that the ventilators shown herein are licensed to bear the AMCA seal. The ratings shown are based on tests and procedures performed in accordance with AMCA Publication 211 and AMCA Publication 311 and comply with the requirements of the AMCA Certified Ratings Program.

Performance certified is for installation type A: Free inlet, Free outlet. Performance ratings do not include the effects of appurtenances (accessories). The sound ratings shown are loudness values in fan sones at 5 ft. (1.5 m) in a hemispherical free field calculated per AMCA Standard 301. Values shown are for installation type A: Free inlet hemispherical sone levels.

Catalog 405, November 2013

Recommended Accessories

Adjustable, Canted Roof Curb
4C453
Item
Adjustable, Straight-Sided Roof Curb
2ZV82
Item
Fixed, Canted Roof Curb
3TZ53
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Fixed, Straight-Sided Roof Curb
5EFJ2
Item
Speed Control
35YV92
Item
Speed Control
35YV93
Item
Speed Control
35YV94
Item
Speed Control
43Y140
Item
Gravity Backdraft Damper
4HX64
Item
*Not for
 use in
 kitchen
 applications
Bird Screen
4ZA27
Item

Product Specifications (Glossary)

Agency Compliance [?]
  • UL/cUL 705
  • AMCA Sound & Air
Assembled [?]TRUE
Base Height [?]1 3/4 in
CFM [?]95 to 472 ft3/min
Curb Cap Size [?]17 in
Damper Width x Damper Height [?]9 x 9 in
Drive Type [?]Direct Drive
Fan DescriptionExhaust Fan
Full Load Amps [?]3.1
GREEN SpecificationsVariable Speed capable of 80% turn down at a minimum of 85% efficiency at all speeds
Height [?]13 1/2 in
Hertz (Cycle) [?]60 Hz
Horsepower (Typ.) [?] 1/6 hp
Housing Material [?]Spun Aluminum
Impeller Diameter (Nom.) [?]8 in
Impeller Material [?]Aluminum
Impeller Type [?]Backward Inclined Centrifugal
Includes [?]
  • NEMA 1 Junction Box
  • Mounting Plate
  • Speed Control
Max Inlet Temp [?]130 °F
Model DescriptionVariable Speed Electronically Commutated (EC) Ventilator
Motor Enclosure [?]Totally Enclosed
Motor Insulation [?]B
Motor Phase [?]1
Motor Type [?]
Mounting Location [?]Roof
Motor Nominal Efficiency82 %
Overall Diameter [?]18 3/8 in
Required Accessory [?]Roof Curb For New Installation
Roof Opening Width x Roof Opening Length [?]12 1/2 x 12 1/2 in
Shaft Diameter [?] 1/2 in
Speed Controllable [?]Yes
TypeCentrifugal Direct-Drive Upblast, Variable-Speed
Voltage [?]115
Warranty Length [?]1 Year

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