Champion USN-72 User manual

(1M) 4/03 Champion Industries, Inc., P. O. Box 4149, Winston-Salem, NC 27115 • 336/661-1556 • Fax: [phone] • www.championindustries.com
Special Product Design That Meets
US Navy Specifications.
Hatch Entry
Modular construction enables easy hatch entry for
installation.
Easy Door Removal
Easy to remove one piece doors that need only 3" clearance.
Easy to Clean
Large door openings and interchangeable upper and lower
spray arms with easily removable end caps.
Easy to Service
Most components are front accessible.
Modular construction for easy installation
Deep tanks that contain water during 15°list
Heavy-duty dual chain drive with rear lugs
Exhaust vents extended to table level
Wash down duty motors
Low temperature shutdown with purge switch
Manual tank fill with water level sight glass
Conveyor jam limit switch
Low-water tank heat protection with 5 sec.
time delay
Easy service from front for piping and
components
One-piece door removal in only 3" clearance
Standard Features
Champion Options & Accessories
Model MRA 90
90°Motorized Rack
Advance Curve
Flanged feet for deck mounting
SST NEMA 12x style electrical box for remote mounting
Control circuit, 120-volt
Wash pump 2-hp motor
Rinse Pump 2-hp motor
Conveyor drive, 1/4-hp motor
Door safety switch within machine footprint
Manual drains plumbed to common connection
Interchangeable upper and lower spray arms
Leakproof doors, internally-fitted
Rinse saver device for water conservation
Stainless steel heavy-gauge construction
External electric booster heater 60°F rise.
External steam booster heater 70°F rise
90°motorized rack advance conveyor (specify load or unload)
Racks: dish or open racks (specify type)
Table limit switch, unmounted (recommended on all rack conveyor installations)
Tank heat (electric or steam coil)
QUICK FACTS
Capacity (racks/hr.)
USN72 - 250 252
USN72 - 185 185
USN72 - 135 135
USN72 - 85 85
USN72 - 60 60
Water consumption (final rinse)
Gallons per hr. 285
Motor horsepower
Drive 1/4
Wash 2
Rinse 2
Temperatures
Wash 150°F
Rinse 160°F
Final Rinse 180°F
Electric Heating
Wash Tank (kW) 20
Rinse Tank (kW) 30
Electric Booster 60°F rise (kW) 60
Steam Heating
Tank Heat (lbs/hr) 150
Steam Booster 60°F rise (lbs/hr) 255
® ®
USN72
(250, 185, 135, 85, 60)
High-Temperature Rack Conveyor
USN72
(250, 185, 135, 85, 60)
High-Temperature Rack Conveyor
High Performance
Ideal water pressure and volume for maximum
wash and rinse coverage.
High Quality
Durable, high quality construction designed for
long life and reduced maintenance in shipboard
conditions.
15°List Standard
Operates without water splashout or rack slippage
at 15°list.

2'-1"
2'-4 3/4"
22"
2
46-1/4"
33
9-1/2" 9-1/2"
1-1/2"
Left-to-right operation
Right-to-left operation
Details, Dimensions & Connections
Champion Industries, Inc., P. O. Box 4149, Winston-Salem, NC 27115 • 336/661-1556 • Fax: [phone] • Email: [email protected]
DETAILEDSPECIFICATIONS
DesignandConstruction
USN72isafully-automaticdishwashing
machineconstructedentirelyofheavy-gauge
stainlesssteel.Thestainlesssteelangleframe
providesarigid,heavy-dutysupportforinternal
components,tankandhood,enhancingthe
reliabilityandextendingtheservicelifeofthe
machine.The tankandhoodareofwater-tight,
single-unitconstruction.Theleak-proof
internally-mounted frontdoorpermits easy
accesstothetankforcleaning.Perforated
stainlesssteelrefusescreensandpumpintake
strainerareeasytoremoveandclean.
PumpandMotor
Thewashpumpandrinsepump providehigh-
pressurerecirculatingspray.The2-hppump
motoriswiredthrougha magneticcontactor
andhasthermaloverloadprotection.Pumpand
motoraremounteddirectlytotheframe.
SpraySystem
Upperandlowerwashsprayarmsdistribute
highpressure“waterknife”cleaningaction
acrosseverysurfaceofthewares.180°F
sanitizingspray isdeliveredthroughupperand
lowerfinalrinsesprayarms.
RinseSaver
Thestandardrinsesaveriscomprisedofa
magneticswitchwhichactivatesthefinalrinse
onlywhenwaresarepresentinthefinalrinse
area.
TankHeatingandFillingSystem
Themachinehasamanualfillandsightglassfor
eachtank.Propertanktemperatureismain-
tainedbythermostaticallycontrolled electric
tankheat, orsteam heatwithpositivelow-water
protection.
Fully-automaticOperation
The“start”buttonstartstheconveyorand
establishescontrolvoltagetothepumpmotor,
rinsesaver.
RackConveyor
Therackconveyorisstainlesssteelchainand
hasrearlugstopreventrackslippage.Itis
driven bya1/4-hpmotoranduses20"x20"
racks.
Duetoanongoingvalueanalysisprogramat
Champion,specificationscontainedinthiscatalog
aresubjecttochangewithout notice.
Warning:
Plumbing and electrical connections
should be made by qualified workmen
who will observe all the applicable
plumbing, sanitary, safety and the
National Electrical Codes.
Plumbing Notes:
Because of the variation in house-supplied
water pressure, water pressure regulating
valve (PRV) may be needed (water PRV is
standard on machines with booster). The PRV
can either be purchased from Champion or
obtained locally.
Venting Notes:
Fabricated duct size: 11.88" x 3.88"
(Inside dimensions)
Volume crated: 250 cu. ft.
Shipping weight crated: 1000 lbs.
Front View
Plan View Plan View
Front View End View
2-1/4" Min.
1/8"
2-1/4" Min.
1-3/8"
21-7/8"
1-3/8"
1-1/2"
1-1/2"
Machine
w"
SideView
SuggestedTable
Construction
SuggestedTable
Attachment
5'-9 1/4"
6'-8"
4'-8 3/4"
6'
7 3/8"
BALDOR
3Ø MV
2HP
BALDOR
2HP
3Ø MV
4B
4A
4-1/2"
14"
24"
Door
(Liftout)
24"
Door
(Liftout)
55
3/4"
23"
22"
2
5-1/4"
46-1/4"
5-1/4"
3
3
6'-8"
6'
BALDOR
3Ø MV
2HP
BALDOR
2HP
3Ø MV
4B 4A
4-1/2" 14"
7 3/8"
4' - 8 3/4"
24"
Door
(Liftout)
24"
Door
(Liftout)
55
3/4"
23"
22"
2
5-1/4"
46-1/4"
5-1/4"
3
3
2'-1" 2'-4 3/4"
2
22" 46-1/4"
33
9-1/2" 9-1/2"
1-1/2"
Electric72 100/100
Steam 60°F rise 8 10/10
Machine Rated Amps Min/Max
Electric 60°F rise 79 100/100
Steam 60°F rise — —
Booster Rated Amps Min/Max
Utilities
1Electrical
Remote mounted cabinet (See Amp chart)
2Hot Water (final rinse)
3/4" NPT 180°F hot water connection.
Flow pressure 20-22 psi without booster
3Tank Fill
1/2" NPT
4A Drain
1-1/2" NPT machine connection.
Maximum flow 15 gpm.
4B Drain Cleanout
1-1/2" NPT machine connection
5Vents
ALoad end: 500 CFM @ 1/4" S.P.
BUnload end: 500 CFM @ 1/4" S.P.
Remote 
Control 
Cabinet
1
2"
13-1/2"
3"
13-1/2"
18-5/32"
12-5/32"
C-C
22-27/32"
C-C
21-5/32"

1
Front View
Plan View
67-3/4"
67-3/4"
22"
Note:
Machine legs are angle stainless steel
welded to a flat deck plate with 1/2" bolt holes
located to deck plan shown.
USN72
(250, 185, 135, 85, 60)
High-Temperature Rack Conveyor