Duke HVXIDDM User Manual

SUGGESTED SPECIFICATIONS FOR VENTILATOR MODEL

HVXIDDM

Exhaust Ventilator to be SOUTHERN ENGINEERING SYSTEMS by Duke Mfg Co., model
HVXIDDM, Type I, UL Listed, hood assembly for commercial cooking appliances and be in
compliance with NFPA Bulletin No. 96 Ventilator shall be high velocity, low volume, cartridge type
and have a nominal 95% grease extraction efficiency certified by an independent testing laboratory.

Build Canopy, front to back, as two (2) separate units. 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 Cartridge Housing to be same material as canopy, full length of section at the back.
Furnish welded stainless steel self-draining cartridge inserts, installed horizontally. Cartridge housing to
form a high-velocity slot. Inserts to lift out using tool provided exposing access to plenum chamber for
easy cleaning. Bottom of exhaust plenum to be formed into a pitched gutter to accept gravity flow
residue and drain to a covered stainless steel container.

Grease Container constructed of 18-gauge stainless steel having a maximum capacity of one gallon.
Fabricate container so as to be easily removable for daily cleaning. Removal of container exposes 1­1/2” ID stainless steel tube to allow capture of cleaning solution when hood and duct system are
cleaned.

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 SOUTHERN ENGINEERING
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 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 listed, 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.

Canopy shall be UL Listed and NSF approved. All equipment built in an ISO 9001:2000 approved
manufacturing facility.

2305 N. Broadway

St. Louis, MO 63012
Ph 314-231-1130

BY

"Your Solutions Partner"

www.dukemfg.com

Fax [phone]

6/07

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

Shipping Wt. 200 lbs./Linear Ft.

COMMENTS/NOTES: _______________________________________________________

Optional Accessories

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.

U.L. LISTED FIRE DAMPERS

2'-6"

6'-6" A.F.F.

(OPTIONAL)

10"

10"

"

REMOVABLE S.S.

GREASE CARTRIDGES

REMOVABLE S.S.

GREASE CONTAINERS

'- "

"
"

2"

"

6"

2'-0"

'- "

(72" MIN. STD.)

FIELD JOINT