Duke 96WDM User Manual
SUGGESTED SPECIFICATIONS FOR VENTILATOR MODEL
96WDM
Exhaust Ventilator to be SOUTHERN ENGINEERING SYSTEMS by Duke Mfg Co., model
96WDM, Type I, UL Listed hood assembly for commercial cooking appliances and be in compliance
with NFPA Bulletin No. 96.
Canopy constructed of 18-gauge stainless steel (where exposed) with bottom perimeter edges
gutterless. Weld extraction chamber, plenum, and external seams and joints to form a liquid tight
construction. Polish stainless steel to a #3 finish.
Exhaust plenum Filter Housing to be same material as canopy, full length of section at the back.
Furnish stainless steel UL Classified grease filters, installed on a 45˚ angle, full length of housing. Filter
housing to terminate at bottom in a pitched drip tray to accept gravity flow residue and drain to a
covered stainless steel container.
Grease Container constructed of 18-gauge stainless steel. Fabricate container so as to be easily
removable for daily cleaning.
Furnish Duct Collar, fully welded, in top of canopy within exhaust plenum area. Duct collar size based
on an average 1800 F.P.M. air velocity.
Optional automatic Fire Damper constructed of 12-gauge steel within exhaust duct collar. Damper
operated by an externally mounted spring-loaded mechanism and controlled by a fusible link.
Integral Make-Up Air furnished at front of ventilator shall be
proprietary “Air Curtain” design. Outside shell constructed of 18-gauge stainless steel integrated with
canopy. Lower front wall to be constructed of perforated 18-gauge stainless steel. Panels to be designed
to distribute make-up air outward at medium velocity. Front panels shall be hinged at top to allow easy
access to interior of make up chamber. Make-up air chamber fitted with an interior diffuser baffle
designed to provide even air distribution across the perforated surface. Top of chamber to be fitted
with a properly sized rectangular duct collar. Make-up air duct collar sized to permit up to 80% supply
air.
Furnish UL listed, NSF approved, vapor proof incandescent Light Fixtures (optional) installed on 3’
to 4’ centers. Fixtures to be completely inter wired to a junction box and left ready for final connection
to power source. Field connections and light switch by applicable trades.
Furnish Rod Hanger Brackets at front and center to suspend canopy from ceiling. Furnish angle
frame members at rear for fastening to wall.
Canopy shall be UL Listed and NSF approved. All equipment built in an ISO 9001:2000 approved
manufacturing facility.
SOUTHERN ENGINEERING
2305 N. Broadway
St. Louis, MO 63012
Ph 314-231-1130
Fax 314-231-5074
www.dukemfg.com
BY
"Your Solutions Partner"
5/07
Exhaust Requirements Make-up Air Requirements
CFM ________________ SP (“w.g.) _____________ CFM ________________ SP (“w.g.) ________
Duct Collar ________ “x ______________” Duct Collar ________ “x __________”
Fire Protection Lighting Fixture (UL listed)
(Submit cooking equipment plan showing make Globe incandescent (100W)
and model on equipment.) Recessed incandescent (150W)
Ansul Wet #R-102 Recessed fluorescent
Other ___________________________________ Light switch
Internal Piping Only NOTE: Incandescent lights are located
Complete System on approx. 4’ centers. Fluorescent
By Others fixtures are 3’ (50W) and 4’ (64W)
NOTE: Fuel shut-off devices by others (unless specified
otherwise). Enclosure paneling
(Finished ceiling higher than 9’0”)
Fan switch
Loose duct collars
UL Exhaust Fire Damper
Optional Accessories
Shipping Wt. 90 lbs./Linear ft.
COMMENTS/NOTES
____________________________________________________________________
G.I. ANGLE AT REAR
FOR WALL MOUNTING
(OPTIONAL) U.L. LISTED FIRE DAMPER
'- "
"
2"
"
6"
2'-0"
UL SS GREASE FILTERS
'- "
(36" MIN. ST D .)
SS GREASE CONTAINER
45°
3/8" DIA. G.I. ROD HANGERS
FURNISHED BY OTHERS
FINISHED S.S. PANELING
DIFFUSER BAFFLES
18 GA. S.S. PERF. PANELING
HINGED AT TOP FOR ACCESS
INCANDESCENT LIGHTS
(FLOURESCENT LIGHTS OPTIONAL)
BULBS NOT INCL.
10"
2'-6"
10"
6'-6" A.F.F.
4"
"
INTEGRAL 3" AIRSPACE AT REAR
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