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SUGGESTED SPECIFICATIONS FOR VENTILATOR MODEL SWDM
SUGGESTED SPECIFICATIONS FOR VENTILATOR MODEL SWDM

Exhaust

Ventilator

to be SOUTHERN ENGINEERING SYSTEMS Model SWFM, UL Listed, and in com-
pliance with NFPA Bulletin 96. Ventilator shall be high velocity, low volume, wash type and have a nominal
95% grease extraction efciency certied by an independent testing laboratory.

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 #4 nish.
Exhaust plenum

Extraction Chamber

to be single inlet, same material as canopy, full length of section at the
back. Furnish SOUTHERN ENGINEERING water wash manifold consisting of a series of spray nozzles
installed within chamber. Manifold to be positioned within plenum area out of air-stream to minimize nozzle
clogging. Bottom of exhaust plenum to be formed into a pitched trough to allow laminar ow, during wash
cycle, to drain pipe connection.

Water Wash System

to serve the dual purpose of daily cleaning and re control. The wash cycle shall be initi-
ated when the stop/wash button on the control cabinet (required with each hood system) is depressed. Internal
cleaning will be achieved by means of 110 - 160F water mixed automatically with injected detergent. In the
event the re control system is activated, the system shall supply a continuous re quenching spray. Fire
quenching spray shall continue to operate until the reset button is pushed. Pressing the start button will restart
the fan system.
Install hinged, motorized

Fire Damper

full length at air inlet of ventilator. Damper opens when ventilator is in
normal operation, acting as an extracting bafe, and closes when ventilator is turned off to allow thorough
cleansing of extraction chamber interior. Damper automatically closes, sealing interior of ventilator from re
when thermostat senses 325F.
Furnish

Duct Collar

, fully welded, complete with re detection thermostat, in top of canopy within exhaust
plenum area. Duct collar size based on an average 1800 F.P.M. air velocity.
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 tted with an interior diffuser bafe designed to provide even air distribution
across the perforated surface. Top of chamber to be tted with a properly sized rectangular duct collar. Make-
up air duct collar sized to permit 80% supply air.
Furnish UL listed, NSF listed, vapor proof incandescent

Light Fixtures

installed on 3 to 4 centers. Fixtures to
be completely interwired to a junction box and left ready for nal connection to power source. Field connec-
tions and light switch by applicable trades.
Furnish

Rod Hanger Brackets

at front and center to suspend canopy from ceiling. Furnish angle frame mem-
bers at rear for fastening to wall.

2305 N. Broadway
St. Louis, MO 63102
Phone: 314/231-1130
Fax:
314/231-5074
www.dukemfg.com
BY

11/99

Your Solutions Partner
Exhaust Requirements

CFM ________________ SP (w.g.) ______________
Duct Collar ___________ x ____________________

Fire Protection

(Submit cooking equipment plan showing make and
model on equipment.)

t

Ansul Wet-R#-102

t

Other ___________________________________

t

Rainmaker Water Mist (refer to specication sheet)

t

Internal Piping Only (excluding Rainmaker)

t

Complete System

t

By Others

NOTE

: Fuel shut-off devices by others (unless specied
otherwise).

Lighting Fixture (UL listed)

t

Globe incandescent (100W)

t

Recessed incandescent (150W)

t

Recessed uorescent

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Light switch

NOTE

: Incandescent lights are located on approx. 4 cen-
ters. Fluorescent xtures are 3 (60W) and 4 (80W).
Optional Accessories

t

Enclosure paneling
(Finished ceiling higher than 9-0)

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Remote Make-Up Air Control

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Loose duct collars
Shipping Wt. 110 lbs./Linear ft.

Design Option

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VC-1C S/S Control Cabinet with push button controls

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VC-1M S/S Control Cabinet with programmable Mode Commander Microprocessor
COMMENTS/NOTES __________________________________________________________________________
_____________________________________________________________________________________________
Approved by The Board of Standards and Appeals for use in New York City Calendar No. 310-76-SA. IF REQUIRED LENGTH OF CANOPY IS LONGER THAN 15-0, ADD EQUAL LENGTH CANOPIES TOGETHER TO OBTAIN PROPER LENGTH.
EACH CANOPY SELECTED REQUIRES SEPARATE DUCT AND CFM REQUIREMENTS.
To satisfy most codes, allow a minimum of 6 canopy overhang on all exposed sides of cooking equipment.
However, more overhang should be considered for demanding equipment.
VENTILATOR
DRAIN SIZE
HOT WATER LINE*
Ventilator requires 110° -160°F hot water. 1 G.P.M.
30 - 150
1-1/2
3/4
per linear foot of ventilator length at 40 PSI ow
pressure. Allowable range is between 20 to 60 PSI ow
pressure.
15-6 - 300
2
1
306 - 500
3
1-1/4
NOTE: Fire protection system piping is optional. We reserve the right to change specications and product design without notice.
Such revisions do not entitle the buyer to corresponding changes, improvements, additions or replacements for previously
purchased equipment.
SOUTHERN ENGINEERING SYSTEMS

Model SWDM

HI-VELOCITY WALL STYLE WATER WASH VENTILATOR
WITH AIR CURTAIN MAKE-UP CHAMBER

SOUTHERN ENGINEERING SYSTEMS Model SWDM. A Hi-Velocity, Wall Style, Water Wash Ventilator utiliz-
ing the Air Curtain Make-Up Chamber. This canopy is designed to function over all types of cooking equipment in
single line-up applications.
The SWDM is state-of-the-art in kitchen ventilation. The Southern Engineering Wash design utilizes centrifugal
grease extraction, automatic self-cleaning, and a built-in water barrier for duct and plenum protection in a re mode.
A normally closed damper prevents the loss of conditioned air during off hours, and the latest in microprocessor con-
trols for programming hood functions is an optional enhancement. This ventilator is 95% grease efcient with third
party accreditations.
The Air Curtain design is best suited where it is necessary to temper the air in cold climates. This make-up chamber
supplies tempered (50-55F) or evaporatively cooled air at slightly higher velocities in front of the cooking line-up.
The chef is cooled by slow moving air. This effect aids in the capture of gases and particles by enveloping the lighter
(less dense) heated air and vapors above the cooking surfaces.

PROJECT NAME: _____________________________
PROJECT LOCATION: _________________________

Item Number: ____________

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