General Specifications

AcoustiFLO 686q & 762q Fans

Features / Dimensions

Estimated Weight (lbf)
762q 550
762q w/40 HP 1100
686q 360
686q w/30 HP 800
Fan Series A B C D E F G H J K L* M
686q 27.0 48.0 31.0 25.0 52.2 46.5 2.0 38.0 12.9 10.9 44.0 19.0
762q 30.0 54.0 34.9 28.2 57.9 53.2 2.0 44.2 13.0 15.6 50.0 21.5

All dimensions are in inches.
* Based on maximum motor frame size

Basic Module Characteristics

  • Airflow: 5,000 – 25,000 cfm
  • Pressure: 1 – 12 in. w.g.
  • Motor Frames: 213 – 324
  • Fan Blade Count: 9 or 12
  • Fan Wheel Width: Full or Partial
  • Mounting: Floor, Nested, Vertical
  • AMCA Performance Data

Features

  • Flow Measurement
  • Vibration Isolation: Internal Springs
  • Shaft Grounding (optional)
  • Inlet Silencer (optional)
  • Inlet/Outlet Check Valves (optional)

 

Downloads

Download: General Specifications

Accessories

Acoustics

Return Air Inlet Silencer

  • Add on option for sound critical applications
  • Reduction of 10 db in 3rd and 4th bands
  • 19" long from plenum wall
  • No impact on aerodynamic performance
  • No impact on efficiency
  • Encapsulated, Rockwool attenuation

Inlet Flow Concentrator

  • Reduction of 4-15 db in the 2nd through 4th bands
  • No efficiency penalty or pressure drop
  • Reduces required inlet spacing from coils, etc.
  • Highly effective for addressing inlet flow disturbances

Efficiency

Exit Guide Vanes (EGV)

  • Add on option to achieve highest efficiency
  • Increase static efficiency by 3% - 6%
  • No impact on overall length of fan module
  • Factory installed
  • Key element in exceeding LEED requirements

Check Valves

Inlet Check Valve (ICV)

  • Optional inlet valve to fully isolate inoperable fan
  • One moving part
  • Performance AMCA certified
  • Fully automatic operation with no external actuation required

Outlet Check Valve (OCV)

  • Optional outlet valve to minimize backflow through inoperable fan
  • No impact on aerodynamic performance or fan efficiency
  • No impact on acoustic performance
  • Factory installed
  • Simply combined with EGV option
  • Fully automatic operation with no external actuation required

Isolation Plate

  • Optional, temporary flow isolator
  • Minimizes backflow through inoperable fan
  • Low cost option for isolating fan
  • Manual field installation when required
  • Quickly installed/removed
  • No on-going maintenance necessary

 

 

Downloads

Download: Acoustics & Efficiency Accessories
Download: Check Valves