Incoming Prewash Tank Temperature(°F) 110-140
Incoming Water Temperature (°F)180
With 35 KW booster heater option (°F)140
With 45 KW booster heater option (°F)110
222ruoh rep snollaG
77.0 kcar rep snollaG
Prewash Tank Capacity (Gallons)16
Wash Tank Capacity (Gallons)15.4
Power Rinse Tank Capacity (Gallons)15.4
Incoming Waterline Size (IPS) (Minimum)
4/3lliF knaT hsawerP
Wash Tank / Rinse Tank / Final Rins
Drainline Size IPS (Minimum) (Inches)1 1/2
e3/4
52-51)ISP( erusserP wolF
7.3)MPG( muminiM etaR wolF
• 287 racks per hour hi-temp sanitizing
rinse.
• 0.77 gallons per rack hi-temp sanitizing
rinse.
• Incoming water pressure regulator
• Exclusive Adjust-A-Peak feature
(patented) allows the owner operator
to manually adjust the speed of the
conveyor system from 144 racks per
hour all the way to maximum capacity
of 287 racks per hour.
• Standard 25” clearance allows
owner operators the ability to wash
large utensils, trays, and bun pans.
• Totally electro-mechanical; no solid
state controls utilized.
• Fully automatic including auto-fill.
Performance/Capacities
Operating Capacity
Racks per hour287
Dishes per hour7175
Glasses per hour7175
Prewash Pump Motor HP2
Wash Pump Motor HP2
Wash Pump Capacity (GPM)270
Wash Tank KW10
Power Rinse Pump Motor HP2
Power Rinse Pump
Capacity (GPM)270
Power Rinse Tank KW15
Conveyor Motor Horsepower1/4
Conveyor Speed (Feet/minute)8.0
The AJ-100 series conveyor dishmachines are
listed by the National Sanitation Foundation (NSF),
Underwriters Laboratories Inc. (UL), and by the Canadian
Standards Association (CSA). They also meet the requirements of A.S.S.E. Standard No. 1004.
PERFORMANCE:
rack conveyor dishwasher with a recirculating prewash
designed to prewash, wash, rinse, and sanitize tableware
and utensils commonly associated with the preparation
and consumption of food items in a commercial foodservice operation. Sanitization is accomplished through hitemp sanitization utilizing 180-195°F fresh water rinse.
The unit conveys standard 20” x 20” dishracks through a
recirculating prewash section where 270 gallons per
minute (GPM) of 110-140°F water is pumped over the
rack to mechanically prepare the ware for washing. Next,
the rack is conveyor driven into a detergent laden wash
section where 270 gallons per minute of 150°F wash
water is pumped over the dishrack to remove the food
soil. It then enters the power rinse section where a recirculating rinse of 160°F water at 270 GPM is pumped
over the dishrack. Finally, the rack is conveyor driven into
a final rinse section where a fresh water final rinse spray
system removes remaining residual detergent and sanitizes. The unit must be connected to a potable water line
capable of supplying 222 gallons per hour between 180195°F at 15-25 PSI flow pressure for maximum hourly
rack capacity of 287 racks per hour.
CONSTRUCTION:
are 304 series stainless steel. No. 400 series stainless
steel and/or plastics are utilized. Frame is constructed of
2” diameter stainless steel tubing formed and completely
saddle welded for superior strength. The prewash tank,
wash tank, recirculating rinse tank, and final rinse chamber are formed and heliarc welded 16 gauge #2B finish.
Hood is 16 gauge #3 finish. Stainless steel feet are
adjustable ±1/2”.
PREWASH PUMP:
inside the prewash tub is totally stainless steel as is the
impeller. The pump is integral with the motor and selfdraining. Prewash water is recirculated from the prewash
tank through the manifolds and prewash arms system at
the rate of 270 GPM.
PREWASH PUMP MOTOR:
enclosed, fan cooled type motor drives the prewash
pump. Single-phase motors are capacitor start, induction
run with internal thermal overload protection. Threephase motors are induction run with external overload
protection. Motor shaft is supported by permanently
lubricated grease packed ball bearings.
WASH PUMP:
wash tub is totally stainless steel as is the impeller. The
pump is integral with the motor and self-draining. Wash
water is recirculated from the wash tank through the manifolds and wash arm system at the rate
WASH PUMP MOTOR:
fan cooled type motor drives the washpump. Singlephase motors are capacitor start, induction run with
Fully automatic, multiple tank,
All stainless steel components
Internal prewash pump located
A 2 HP totally
Internal wash pump located inside the
of 270 GPM.
A 2 HP totally enclosed,
internal thermal overload protection. Three-phase motors
are induction run with external overload protection. Motor
shaft is supported by permanently lubricated grease
packed ball bearings.
POWER RINSE PUMP:
pump located inside the wash tub is totally stainless
steel as is the impeller. The power rinse pump is integral
with the motor and self-draining. Wash water is recirculated from the power rinse tank through the manifolds
and wash arm system at the rate of 270 GPM.
POWER RINSE PUMP MOTOR:
totally enclosed, fan cooled type motor drives the wash
pump. Single-phase motors are capacitor start, induction
run with internal thermal overload protection. Threephase motors are induction run with external overload
protection. Motor shaft is supported by permanently
lubricated grease packed ball bearings.
CONVEYOR SYSTEM:
through the machine by a center-mounted, heavy-duty
stainless steel pawl bar with stainless steel cast, counterweighted, wide surface pawls. The pawl bar is designed
not to interfere with spray patterns in the prewash, wash,
recirculating rinse and final rinse section. The pawl bar is
driven by a 1/4 HP motor and worm drive gear reduction
unit. The conveyor motor itself is totally enclosed, nonventilated. Single-phase motors are capacitor start, induction run with internal thermal overload protection. Threephase moto
protection. Pawl bar conveyor drive unit is mounted on
the left hand side of the machine and is enclosed with a
removable stainless steel cover. Maximum conveyor speed
is 8.0 feet per minute.
ADJUST-A-PEAK:
mechanical feature located on the pawl bar drive unit itself
and allows the end-user to slow down the speed of the
conveyor drive unit when enhanced results are required
(i.e. baked-on food soil) or increase the speed of the
conveyor drive unit when maximum capacity is required.
By slowing down the conveyor, a rack of tableware
remains in the prewash, wash, and rinse sections for
longer periods of time. When soil loads are heavy (i.e. pots
and pans, trays, and bun pans), adjusting the conveyor to
slower speeds means outstanding results.
CHAMBER:
25” which is the highest clearance in the industry---even
higher than competitive higher hood options. This adds to
the versatility of the machine since you can easily accommodate larger ute
mixing bowls. The combination of a higher hood in conjunction with manually slowing down the conveyor utilizing
the Adjust-A-Peak feature produces superior results as
well as adding to the versatility of the machine.
CONTROLS:
control box mounted on top of the machine for ease of
access and increased reliability. Power “ON/OFF” switch
is the only manual switch required. “Energy Guard” fully
automates the machine and utilizes switching logic to
operate prewash, wash, recirculating rinse and final rinse
sections only when a rack is in place as well as turning
the conveyor off when a rack exits the machine and there
rs are induction run with external overload
The chamber has a standard clearance of
nsils such as sheet pans and 60 quart
Controls are located in a stainless steel
Internal power rinse
A 2 HP
Racks are conveyed
The Adjust-A-Peak feature is a
are no other racks in the machine. Regardless of machine
voltage, all control circuitry will be operated from a 110
volt control circuit transformer. Again, the Adjust-A-Peak
feature eliminates the need for
have the ability to slow down the conveyor for extended
prewash, wash, recirculating rinse, and final rinse contact
time. The unit is completely wired with 105°C, 600V thermoplastic insulated wire and routed through UL approved
conduit. The control circuit itself is protected by a manual
reset 1 AMP overload protector located on the front of the
control box.
FILL:
Initial fill of the prewash, wash and power rinse
tanks are automatic when machine is initially energized.
There is a fill line to the wash and power rinse tanks and
a separate fill to the prewash tank. Each fill line is controlled by its own solenoid valve and vacuum breaker
assembly. The prewash tank needs to be hooked up to a
water line capable of filling with 110-140°F incoming
potable water. If the cold water thermostat option is utilized in the prewash, an additional cold water line needs
to be hooked up to the machine. The wash tank and
power rinse tank fill line needs to be hooked up to a
180°F minimum incoming potable water line which normally would be supplied by an external booster heater or
our own optional Hatco booster heater packages. The fill
solenoids for both tanks are activated by stainless steel
float systems located in the individual tanks for required
tank water levels.
RECIRCULATING PREWASH:
tank has a 16.0 gallon capacity and maintains that level
with a skimming type overflow. Prewashing action is
accomplished by recirculating 110-140°F water through
20 separate stripping nozzles through three upper arms
and two lower arms. This superior action removes heavy
soil and deposits it in a large outside deep well scrap
basket located on the front of the machine for easy
access. A secondary removable pump intake strainer protects the pump. Make-up water comes from the wash
tank at the rate of approximately 2 GPM. All five prewash
arms are easily removable and along with removable end
caps, are easily cleanable without the use of tools.
RECIRCULATING WASH:
15.4 gallon capacity and maintains that level with a
skimming type overflow. Washing action is accomplished by recirculating detergent laden water in the
wash tank through upper and lower wash arms. Make-up
water comes from the power rinse section and is controlled at approximately 2 GPM. The wash arms are 18”
long. Wash section is automatically activated by racks as
they pass through. Wash arms, upper and lower, contain
43 separate stripping nozzles for superior performance.
Both wash arms are easily removable and along with
removable wash arm end caps, are easily cleanable without the use of tools. Large stainless steel strainer pans,
as well as a pump intake strainer for secondary protection are readily accessible and removable for cleaning
purposes. Knockouts and connections are provided to
allow easy installation of detergent concentration sensor
and dispenser tubing by others.
manual controls since y
The prewash
The wash tank has a
ou
POWER RINSE:
gallon capacity and maintains that level with a skimming
type overflow. Rinsing action is accomplished by recirculating final rinse water in the tank through upper and
lower wash arms. Make-up water comes from the final
rinse section and is controlled at approximately 2 GPM.
The arms are 12” long. The power rinse section is automatically activated by racks as they pass through. Power
rinse arms, upper and lower, contain 32 separate stripping nozzles for superior performance. Both power rinse
arms are easily removable and along with removable
wash arm end caps, are easily cleanable without the use
of tools. Large stainless steel strainer pans, as well as a
pump intake strainer for secondary protection are readily
accessible and removable for cleaning purposes.
FINAL RINSE:
the machine through a standard “Y” strainer, solenoid
valve, and approved vacuum breaker assembly which is
plumbed to upper and lower final rinse arms located at
the output end of the machine. A single row of fan jet
nozzles are located on both rinse arms. Connection point
is provided for rinse agent injection into the final rinse
line by others. Total final rinse flow rate is 3.7 GPM.
DRAIN, OVERFLOW, AND MAKE-UP:
machine is designed to maintain appropriate prewash,
wash, and power rinse tank water levels at all times
even at low pressures. The overflow system is designed
to automatically skim the surface of the prewash, wash,
and power rinse tanks. Make-up water from the final
rinse replenishes the power rinse tank which replenishes the wash tank, which in turn replenishes the prewash tank as well as maintains appropriate water levels
and temperatures. Large levers located on the front
panel of the machine operate valves that drain the
machine completely.
PRESSURE REDUCING VALVE:
installed on incoming water line to control water pressure.
The power rinse tank has a 15.4
Fresh pressurized rinse water enters
The
Factory
Additional Standard
Equipment:
• Vent cowls/splash shields with 4” x 16” openings covered
with removable plates for connection to exhaust ducts
when required.
• Flexible strip curtains provided at the ends of the vent cowls as
well as at the ends of the machine and separating the prewash,
wash, power rinse, and final rinse sections.
• Extra large inspection doors located on front of machine for
easy access and cleanability.
• Safety door switches shut down machine should any door be
opened during operation.
• Stainless steel front appearance panel.
• Positive low level water protection for wash and power rinse
tank heat.
• Sealed dial type thermometers for the prewash, wash, power
rinse and final rinse temperatures.
Optional Mandatory
Specifications:
WASH TANK HEATING EQUIPMENT
(CHOOSE ONE):
ELECTRIC:
elements mounted inside the tanks (10 KW wash and 15
KW power rinse) and easily removable from the outside.
The heaters are protected by a stainless steel float system as well as high limit overload protection. Water temperature in the tanks is controlled and maintained by fast
reacting thermostats which control the heating elements.
STEAM:
injectors so that contaminated steam being injected into
the wash water is not an issue. Stainless steel tubular
steam coils are mounted inside the wash and power
rinse tanks below the optimum water level. The coils are
protected by a stainless steel float system. An external
steam “Y” strainer and high temperature steam solenoid
regulates the flow of steam through the coils.
Temperature in the tanks is controlled and maintained by
fast reacting thermostats which control the operation of
the steam solenoids. A float and thermostatic steam trap
is provided and removes steam condensate from the
steam coils which can either be plumbed to a drain or
pumped back to the boiler if a condensate return system
is available. Steam coils require a minimum of 10 PSIG
flowing steam supply and a maximum of 20 PSIG. Install
with a steam pressure regulator (by others) if steam
supply exceeds 20 PSIG.
Low watt density 25 KW tubular heating
Stainless steel coils are utilized rather than
Optional Features and
Accessories:
EXTERNAL ELECTRIC BOOSTER HEATER:
External 36 KW Hatco booster heater boosts incoming
140°F water to a minimum of 180°F for hi-temp sanitizing rinse. Custom features include castone-lined tank,
low water cutoff, pressure relief valve, as well as a pressure reducing valve. Unit is located next to the output
end of the machine, completely preplumbed. Power to
the booster heater requires a separate electrical connection. Unless specified otherwise, electrical characteristics
of the booster heater will be the same as that of the
dishwasher. The booster heater is approximately 36 KW
and is available in 208/240/480 voltages/3 phase only.
EXTERNAL 70°F RISE BOOSTER HEATER:
External 45 KW Hatco booster heater capable of boosting
incoming 110°F water a minimum of 70 degrees to a
minimum of 180°F for hi-temp sanitizing rinse. Unit is
located next to the output end of the machine and comes
completely preplumbed. Power to the booster heater
requires a separate electrical connection. Unless specified otherwise, electrical characteristics of the booster
heater will be the same as that of the dishwasher. The
booster heater is available in 208/240/480 voltages/3
phase only.
STEAM BOOSTER HEATER:
nected to a standard 140°F incoming water supply in
order to insure 180-195°F hi-temp sanitizing final rinse
requirements. Unit comes complete with steam “Y”
strainer and high temperature steam solenoid as well as a
steam pressure relief valve. Water temperature is controlled and maintained by a fast reacting thermostat
which controls the operation of the steam solenoid. A float
and thermostatic steam trap is provided and removes
steam condensate from the coil which can either be
plumbed to a drain or pumped back to a boiler if a condensate return system is available. Must be installed with
a steam pressure regulator (by others) if steam supply
exceeds 20 PSIG.
TABLE LIMIT SWITCH:
and mounted to the backsplash of the table in the field.
Prevents damage to conveyor drive system, racks, and
dishes due to racks backing up on the output end of the
machine. Highly recommended for clean dishtables less
than 10 feet in length.
VENT COWL COLLARS:
x 7” high collars located on the vent cowls to allow easy
connection to an external exhaust system including a standard “pant-leg”
lockable damper flap for fine tuning exhaust system to
remove appropriate CFM requirements.
50 CYCLE (HERTZ) ELECTRICAL
CHARACTERISTICS:
in the following voltages: 208V/1 or 3PH, 230V/1 or 3PH,
380V/3PH, and 460V/3PH. Units operating at 50 HZ are
not submitted for UL Listing.
SIDELOADER:
of conveyor machine. This feature allows the machine to
be installed close to a corner and maximize dishroom
space. The sideloader option is available in both the
hooded and unhooded versions. See separate spec sheets
for details.
EXHAUST VENT FAN CONTROL:
Automatically turns exhaust vent fan on when rack
enters the machine. Delay timer also turns off the
exhaust vent fan 5-10 seconds after rack exits machine
when no other racks are being conveyed through the
machine.
FLANGED FEET:
permanent mounting to the floor is required. Fully
adjustable for required height.
WATER HAMMER ARRESTOR:
inside the supply line.
type exhaust duct. Includes adjus
Factory installed option on input end
Available for installations where
Sized to be con-
Factory wired to machine
Factory installed 4” x 16”
table and
Units are available in 50 HZ
Installed
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