Broan 688 Fan User Manual


 
LIGHT COMMERCIAL FANS
L400* | L400K | L500* | L500K | L700*
METAL GRILLE
L400L | L500L | L700L
IN-LINE VENTILATORS
400/500/700 CFM FEATURES
4
1
2" x 18
1
2" duct connector
• Two impact-resistant centrifugal blower
wheels
• Duct horizontally or vertically—In-line
available with separate adapter
• Quiet automatic backdraft dampers
• Variable Speed Control adjusts
blower speed and sound level
(available separately)
• Models with “K” suffix suitable
for kitchens
Models L400L, L500L, L700L
• Removable access panel; no insulation
Model L400K
• Suitable for kitchens
• Two metal centrifugal blower wheels
• Order Aluminum Filter LAF2
Model L500K
• Two metal centrifugal blower wheels
• Order Aluminum Filter LAF2
• Suitable for kitchens
400–700 CFM Specifications
Model CFM Sones Amps Sound Insulation Notes
L400 434 2.3 1.4 Yes Metal grille
L400K 406 3.3 1.4 No Suitable for kitchens
L500 514 3.3 2.2 Yes Metal grille
L500K 481 4.4 2.2 No Suitable for kitchens
L700 701 4.7 2.9 Yes Metal grille
L400L 406 1.6 1.4 No No grille
L500L 519 3.4 2.2 No No grille
L700L 681 3.7 2.9 No No grille
*See page 71 for CFM details
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