Product Specification Sheet
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STERO SCT-66S CONVEYOR SERIES
SCT-66S, SCT-66S-CSA
SCT-66S: Scraps, washes and then rinses with a high temperature 180° final rinse.
SCT-66S-CSA: Chemically sanitizes with a low temperature final rinse, eliminating the need for a booster heater.
STANDARD FEATURES
Design: Two tank 20" rack conveyor warewasher—66" in length with a power scrapper, power wash, and a final sanitizing rinse. Flexible strip curtains at each end control
water and heat. Two large inspection doors allow easy access to interior of machine for cleaning and maintenance.
Construction: Tank and hood are formed from 304/18
–8 No. 4 mill finish stainless steel. Fully welded with a minimum of bolt together construction. Frame is heavyduty stainless steel flat stock construction conforming to NSF Standard No. 3. Machine is supported by enclosed stainless steel feet. All internal piping, fittings, risers and manifolds are stainless steel.
Design: Two tank 20" rack conveyor warewasher—66" in length with a power scrapper, power wash, and a final sanitizing rinse. Flexible strip curtains at each end control water and heat. Two large inspection doors allow easy access to interior of machine for cleaning and maintenance.
Construction: Tank and hood are formed from 304/18
–8 No. 4 mill finish stainless steel. Fully welded with a minimum of bolt together construction. Frame is heavyduty stainless steel flat stock construction conforming to NSF Standard No. 3. Machine is supported by enclosed stainless steel feet. All internal piping, fittings, risers and manifolds are stainless steel.
Power Scrapper: The STERO engineered scrapping pattern utilizes fixed upper and lower stainless manifolds of special design, fitted with large stricture free jets which effectively strip the food soil from all types of ware—inside and out—as it passes through the spray pattern. Food soil drops onto flat, perforated stainless steel screens which cover the tank. Screens are
held in an inclined position, which—when combined with the pump action and the final rinse waters feed back—automatically moves food soil to the scrap catchment which is mounted outside the tank. A specially designed pump with a 1 HP, 1750 rpm motor distributes 185 gallons of water over the ware each minute. The outboard scrap basket can be removed for emptying while the machine is in operation. The screens, manifolds and curtains are easily removed through the door without the use of tools.
STANDARD EQUIPMENT FEATURES |
BENEFIT |
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Full perimeter frame |
Long machine life |
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Auto fill |
Proper water fill level at start up and during ongoing operation |
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Auto start |
First rack starts machine operation push button activation not required |
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Center fed manifolds |
Even distribution of wash water for uniform and consistent results |
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Outboard scrap catchment |
Complete removal of food soil from machine reduction of chemical usage |
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OPTIONAL EQUIPMENT FEATURES |
BENEFIT |
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Mounted circuit breakers |
Individual circuit protection for motors and tank heat |
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Auto dwell |
Longer washing action for difficult to clean items |
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Table limit switch |
Easy operation of machine with a single worker |
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Cold water aquastat |
Regulated scrap tank water temperature to avoid food soil adhesion |
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RACK
WASHER SCRAPPER CONVEYOR RACK 20” TEMP LOW TANK SINGLE SERIES: CONVEYOR 66S-SCT CONVEYOR
STERO SCT-66S, SCT-66S-CSA Product Specification Sheet
CONVEYOR SERIES
STANDARD FEATURES Continued
Power Wash: STERO’s unique stainless steel manifolds are centerfed, fitted with stricture free jets with directional vanes and can
be easily removed without tools. Center-fed manifolds distribute an even flow of wash water over the entire perimeter of the rack, ensuring consistent results. A 2 HP, 1750 rpm motor and pump distribute 300 GPM of detergent water. Power wash and power
scrapper motors have extended stainless steel shafts with packless ceramic seals. The pump has easily removable inspection plates— front and end—and is self-draining. Stainless steel perforated strainer pans cover the tanks.
Automatic Fill: Fills the machine at the push of a button and keeps it full during operation. In the event of low water in the tank, the system will automatically re-fill to the proper level.
Automatic Start: Rack activated switch starts conveyor and pumps eliminating the need for a manual start.
Automatic Shut Down: Shuts down machine operation during idle periods.
Stainless Steel Front Enclosure Panel: Protects motors and controls from moisture.
Kit 55: STERO mounts a ¾" pressure reducing valve, shock-arrestor and flow pressure gauge in the final rinse line prior to the rinse solenoid valve.
The shock-arrestor prevents line hammer and will double the life of the valve. The PRV will allow adjustment of the final rinse pressure and the gauge will give visual proof when it is correct.
Common Drain: STERO connects overflow and drain valves so that one drain rough-in will service the entire machine.
Motors: 2 HP, 1750 rpm, 300 GPM, heavy duty with sealed bearings and overload protection.
Final Rinse: Stainless rinse arms mounted above and below are fitted with directional fanjets that create a full coverage spray pattern for maximum rinsing and sanitation. The rack activates STERO’s final rinse switch and hot water solenoid valve with stainless steel seat. A vacuum breaker mounted downstream from the solenoid and 6" above the upper rinse complete STERO’s rinse system. The SCT-66S-CSA sanitizes with chlorine which is dispensed by STERO’s peristaltic pump. The CSA eliminates the need for a 180° final rinse booster.
Thermometers: One each for the scrap, wash, and final rinse.
Conveyor: A center-drive, stainless steel pawl bar with stainless steel pawls conveys the racks through the spray pattern and out onto the clean dish table. The conveyor is powered by an integral ¼ HP motor and speed reducing drive that has a built-in release to prevent damage to racks or machine in the event of a rack jam. The racks ride on 12 gauge stainless steel tracks.
Standard Electrical Features: All motors on STERO conveyor machines are factory wired in waterproof conduit and fittings to a common connection point. The motors are protected by thermaloverloads with manual reset buttons. The magnetic motor starters, start-stop switches, and electric tank heating element contactors (when specified) are mounted in a stainless steel control box.
Standard Electrical Specifications Available: 208/240-60-1, 208/240-60-3, 460/480-60-3.
Door Safety Switch: Prevents the machine from operating if the door is open. The machine will automatically shut-off if the door is opened while the warewasher is running.
Bell-Type Stainless Steel Skimmer: With hinged cover. Acts as overflow and facilitates removal of fats and oils from the wash tank.
Drain Valves: STERO designed poppet-type drain valve, stainless steel seats and casting assures leak proof and trouble free life. Externally controlled with spring-loaded shafts to prevent damage. The finest in the industry.
Required Tank Heating
NSF requires that water in all power wash tanks be maintained at specific temperatures. STERO offers four types of heating equipment to meet this standard. Please specify which option best suits your job conditions.
The Tank Heating options are:
Electric: Two 5 kW stainless steel elements (10 kW total) are mounted in the bottom of the tank. The units are thermostatically controlled and have STERO’s low water protection system. The elements, thermostat, LWP, and contactor are all inter-wired to the control panel.
Gas: STERO has developed another first for the industry. A gas fired, infrared tank heating system that will heat the water to the correct temperature and maintain it during operations. Burners are constructed of woven ceramic fiber that are thermostatically controlled and feature a manual off-on valve. STERO’s positive low water protection system safeguards the unit in the event of a low water condition.
Steam Injectors: Two stainless steel injectors with silencers are mounted in the tank. A thermostat controls a solenoid valve, and maintains the correct temperature.
Steam Coils: STERO designed and built stainless steel steam coils are mounted in the tank. Steam coils allow the condensed steam to be returned to the steam generator, a decided advantage when there is a question of purity of steam. A thermostat controls a steam solenoid valve and maintains the correct temperature. A steam trap is mounted on the steam return line.
AVAILABLE OPTIONS
Vent Cowls: 10" wide × 25" deep with extended splash guards front and rear. 3 7/8" × 24 7/8" I.D. vent opening centered on the 10" length.
Mounted Circuit Breakers: Protection for motors and heating circuit.
Automatic Dwell Conveyor: Automatic dwell, as an optional addition, allows the operator to stop the rack over the wash manifold for longer washing action.
Coldwater Aquastat: Tempers scrap tank water to avoid adhesion of food proteins to ware.
Sideloader: RAC-27 allows loading of the racks at a right angle to the conveyor, permitting dedicated clean and soiled sides of the room, increased length RAC-32 will accept sheet pans.
Table Limit Switch: Mounted on a clean dish table. The switch shuts off the conveyor when engaged by a rack. This allows single person operation of machine until racks fill unload table.
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