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AJ-90 Conveyor dishmachine

AJ-90   Conveyor dishmachine

AJ-90 Conveyor dishmachine

Product catalog summary
Performance and Capacities
The AJ-90 Vision Series conveyor dishwasher is capable of processing up to 270 racks per hour with a high-temperature sanitizing rinse, using 1.03 gallons per rack. It includes a recirculating prewash to reduce manual pre-rinsing and labor costs. The Adjust-A-Peak feature allows for conveyor speed adjustments between 135 and 270 racks per hour. The machine accommodates large utensils with a 25-inch clearance and is fully electro-mechanical with automatic features like auto-fill and self-draining pumps.
Standard Features
This dishwasher operates at a capacity of 270 racks per hour, handling up to 6750 dishes or glasses per hour. It features a steam coil tank heat system, prewash and wash pump motors, and a conveyor motor. Operating temperatures are 110-140°F for the prewash tank, 160°F minimum for the wash tank, and 180°F minimum for the rinse.
Specifications
The AJ-90 series is NSF, UL, and CSA listed, complying with A.S.S.E. Standard No. 1004. It is constructed entirely of 304 series stainless steel, with no plastics. The machine includes a recirculating prewash and wash system, with durable pumps and motors. The conveyor system uses a heavy-duty stainless steel pawl bar, and the Adjust-A-Peak feature allows speed adjustments based on cleaning needs.
Construction and Design
The machine is built with stainless steel components, including a frame made of 2-inch diameter tubing. The prewash and wash tanks have capacities of 16 and 20.4 gallons, respectively, with recirculating systems for efficient cleaning. The final rinse uses fresh pressurized water, and the machine includes a pressure reducing valve for incoming water.
Optional Features
Optional features include an external electric booster heater to increase water temperature for sanitizing rinses. The booster heater is available for machines with specific electrical characteristics and requires a separate electrical connection.
Additional Specifications
The document details specifications for the AJ-90 Series Rack Conveyor Dishwasher, including the booster heater, steam booster heater, table limit switch, vent cowl collars, electrical characteristics, cold water thermostat, sideloader, exhaust vent fan control, flanged feet, and water hammer arrestor.
Booster Heater
The Hatco booster heater is a 54 KW unit designed to increase incoming water temperature from 110°F to a minimum of 180°F for sanitizing. It requires a separate electrical connection and is available in 208/240/480 voltages, 3-phase only.
Steam Booster Heater
This heater connects to a 140°F water supply to ensure a 180-195°F sanitizing rinse. It includes a steam "Y" strainer, high-temperature steam solenoid, and a steam pressure relief valve. A steam pressure regulator is needed if the steam supply exceeds 20 PSIG.
Table Limit Switch
Prevents damage to the conveyor drive system by stopping racks from backing up. Recommended for tables less than 10 feet in length.
Vent Cowl Collars
These are factory-installed for easy connection to an external exhaust system and include adjustable damper flaps.
Electrical Characteristics
Units are available in 50 HZ with various voltage options. Units operating at 50 HZ are not UL Listed.
Cold Water Thermostat
Controls prewash tank heat to prevent food soil from baking on, especially useful for high protein soils.
Sideloaders
Available as a factory-installed option to maximize dishroom space, available in hooded and unhooded versions.
Exhaust Vent Fan Control
Automatically operates the exhaust fan when a rack enters the machine and turns it off shortly after the rack exits.
Flanged Feet
For permanent floor mounting, fully adjustable for height.
Water Hammer Arrestor
Installed inside the supply line to prevent water hammer.
Additional Features
The dishwasher has a capacity of 270 racks per hour, uses 1.03 gallons of water per rack, and includes features like an Adjust-A-Peak conveyor drive system, Energy Guard controls, and fully automatic operation. It is constructed entirely of 304 series stainless steel with no plastics used.
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Catalog excerpts

AJ-90   Conveyor dishmachine-1

Performance/Capacities Conveyors AJ-90 Vision Series • 270 racks per hour hi-temp sanitizing rinse. • 1.03 gallons per rack hi-temp sanitizing rinse. • Incoming water pressure regulator • Recirculating prewash feature virtually eliminates manual prerinsing and saves on labor. • Exclusive Adjust-A-Peak feature (patented) allows the owner operator to manually adjust the speed of the conveyor system from 135 racks per hour all the way to maximum capacity of 270 racks per hour. • Standard 25” clearance allows owner operators the ability to wash large utensils, trays, and bun pans. • Prewash section has three upper arms and two lower arms. • Totally electro-mechanical; no solid state controls utilized. • Fully automatic including auto-fill. • Prewash auto fill requires 110-140°F separate connection and does not fill through the booster heater. • Self-draining stainless steel pumps and impellers. • Exclusive “Energy Guard” controls system operates wash and rinse sections only when a rack is being washed or rinsed. • A long 23” wash section as well as 23” separation between wash and rinse produces superior results. • Convenient, externally operated lever drains. • Deep well scrap basket conveniently located on front of machine facilitates removal of heavy food soil. • Stainless steel frame, legs, adjustable bullet feet, and front appearance panel are all standard. • Standard 8” vent cowls/splash shields on both wash and rinse ends of the machine. • Heavy gauge construction for extra ruggedness and durability. Standard Features Operating Capacity Racks per hour (NSF Rated) 270 Dishes per hour 6750 Glasses per hour 6750 Steam Coil Tank Heat Coil Size IPS (Inches) 3/4 Steam Flow Pressure (PSIG) 10-20 Consumption @ 15 PSIG (Lbs/hr) 60 Prewash Pump Motor Horsepower 2 Prewash Pump Capacity (GPM) 270 Wash Pump Motor HP 2 Wash Pump Capacity (GPM) 270 Wash Tank KW 20 Conveyor Motor Horsepower 1/4 Conveyor Speed (Feet/minute) 8.0 Operating Temperatures Prewash Tank–°F 110-140 Wash Tank–°F (Minimum) 160 Rinse–°F (Minimum) 180 Dimensions (Inches) Length between dishtables 90 Machine width 25 Wall Clearance (Minimum) 4.5 Cavity/dish clearance (Maximum) 25 Shipping Information Weight (Lbs) 1054 Dimensions (Inches) Length 120 Depth 40 Height 78 Volume (Cubic feet) 217 Approximate Total Load AMPS 208V / 60HZ / 3PH 67.9 208V / 60HZ / 1PH 114.8 230V / 60HZ / 3PH 62.6 230V / 60HZ / 1PH 105.8 460V / 60HZ / 3PH 31.3 Booster Heater Options External 40°F Min. Rise KW AMPS 208V / 60HZ / 3PH 36 100.0 230V / 60HZ / 3PH 36 90.5 460V / 60HZ / 3PH 36 45.2 External 70°F Min. Rise KW AMPS 208V / 60HZ / 3PH 54 150.0 230V / 60HZ / 3PH 54 135.7 460V / 60HZ / 3PH 54 67.8 Venting Requirements (CFM) Input end 200 Output end 400 Total CFM 600 Water Requirements Incoming Prewash Tank Temperature (°F) 140 Incoming Wash Tank Temperature (°F) 180 With 36 KW booster heater option (°F) 140 With 45 KW booster heater option (°F) 110 Gallons per hour 279 Gallons per rack 1.03 Prewash Tank Capacity (Gallons) 16.0 Wash Tank Capacity (Gallons) 20.4 Incoming Waterline Size (IPS) (Minimum) Prewash Tank Fill 3/4 Wash Tank Fill/Rinse 3/4 Optimum Flow Pressure (PSI) 15-25 Flow Rate Minimum (GPM) 4.7 Drainline Size IPS (Minimum) (Inches) 1 1/2 Power/Connections

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AJ-90   Conveyor dishmachine-2

AJ-90 Vision Series Conveyors Specifications NOTE: The AJ-90 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: Fully automatic, single tank, rack conveyor dishwasher with a recirculating prewash designed to 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...

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AJ-90   Conveyor dishmachine-3

DRAIN, OVERFLOW, AND MAKE-UP: The machine is designed to maintain appropriate prewash and wash tank water levels at all times even at low pressures. The overflow system is designed to automatically skim the surface of both tanks. Make-up water from the final rinse system not only replenishes the wash water but also helps maintain appropriate water levels as well as appropriate wash tank temperatures. Large levers located on the front panel of the machine operate drain valves and 9 prewash and wash tanks completely. PRESSURE REDUCING VALVE: Factory installed on incoming water line to control water...

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AJ-90   Conveyor dishmachine-4

Specifications Conveyors www.jacksonmsc.com 1-888-800-5672 AJ-90 Vision Series Note: Check and/or copy all that apply. AJ-90 Series Rack Conveyor Dishwasher—Item No. ____________ Shall be a Jackson AJ-90 Series, single tank rack conveyor dishwasher with 36” prewash. Sanitization shall be accomplished by using hi-temp (180°F minimum) sanitizing rinse. Electrical characteristics shall be: ______ 208V/60HZ/3PH ______ 208V/50HZ/3PH ______ 208V/60HZ/1PH ______ 208V/50HZ/1PH ______ 230V/60HZ/3PH ______ 230V/50HZ/3PH ______ 230V/60HZ/1PH ______ 230V/50HZ/1PH ______ 460V/60HZ/3PH Wash tank heating shall...

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AJ-90   Conveyor dishmachine-5

16" 84" w/Doors Open 34" 60 1/4" 67" 75 1/2" 62 1/2" 67 1/2" 29" Drive Unit 7" B A D C H G F E 10" 10" Front View 4" 6" 6 1/2" Right Side 2" 8" 25" Opening 15" 21" Opening 25" 8" 47" 90" Table to Table 106" Overall F E 38" 411/2" 12" 30" 4" 8" 4 1/2" 8" 98" 4" 10 1/2" 21" Opening 4"w. x 16"lg Cutout in 106" Vent Cowl/Splash Shield. Shipped with Cover Plate. Floor Sink or Drain With 3" Minimum Drain Line 12 1/2" 25" 90" Table to Table Tub Will Accept a Table Flange Up to 24 7/8" Table Turndown Flange 3/4" Max 3/4" 21" Note: Vision Series Operation Shown 1-PH 3-PH 1-PH 3-PH 208 Volts 60 Cycles...

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