Scotsman Ice NME654, FME804 manual NME454, 654 & FME504

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NME454, 654 & FME504, 804

COMPONENT DESCRIPTION

Evaporator: A refrigerated vertical tube filled with water and containing a water seal and auger. Auger: A solid stainless steel double spiral auger, it pushes the ice crystals up to the top of the evaporator.

Water Seal: A two part “face” seal, the top half rotating with the auger, the bottom half stationary, the sealing action being where the two seal “faces” meet.

Ice Sweep: A plastic cap with “fingers”. It revolves with the auger to “sweep” the ice into the ice chute.

Breaker: Where the ice is compressed and much of the extra water is squeezed out of it before it is discharged into the bin.

Motor: The motor that drives the gear reducer and auger.

Thrust Bearing: As the ice is pushed up the evaporator, the auger is thrust down, and pressure from the auger thrust is taken up by this bearing.

ICE SWEEP

BEARING

BREAKER/DIVIDER

AUGER

EVAPORATOR

WATER

SEAL

MOTOR

January 2007

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Contents Introduction NME454, 654 & FME504Fuse Charge Ampacity Size 404A For the InstallerInstallation Limitations NME654 Dispenser ApplicationsSample BIN and Machine Combinations Water Limitations LocationAirflow Notice For the Installer LocationUse only ¾ rigid tubing For the PlumberFor the Electrician Final Check List Initial Start UP There are no Adjustments to MAKE, so replace the panelsComponent Description Low Pressure Cut Out SwitchNME454, 654 & FME504 AutoSentry Control Board On/Off mode Switch Manual control forControl BOX Components Control Board Protection Devices Electrical SequenceStart Up Shut DownWater Level The correct water level should be Operation WaterOperation Refrigeration Refrigeration SchematicOperation Performance Sanitizing Cleaning & SanitizingICE Making System In place cleaning Sensor Maintenance Hazardous Moving Parts AIR Cooled MaintenanceClean the air cooled condenser At least two times per year Bearing MaintenanceOff Auger Maintenance Symptom Possible Cause Probable Correction Service DiagnosisSymptom Possible Cause Probable Correction Control System Diagnostics BIN Controls Ice Level Sensors Removal and Replacement Bin ControlsTo Remove the Breaker Bearing Assembly Removal and Replacement Bearing And BreakerStuck, Removal and Replacement AugerTo Remove the Auger Auger isTo Replace the Water Seal Removal and Replacement Water SealTo Remove the Water Seal Resweating the adjacent tubing Removal and Replacement EvaporatorHeat sink the TXV body when unsweating or Removal and Replacement Gear Reducer and Motor Instructions for Liquid Charging R-404A Refrigeration System ServiceAccess Valves To use If the machine is off, not making ice What to do Before Calling for Service
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FME504, FME804, NME654, NME454 specifications

Scotsman Ice Systems is known for its high-quality ice machines, and models such as the NME454, NME654, FME804, and FME504 are no exceptions. Designed with both performance and efficiency in mind, these machines cater to various business needs, from restaurants to convenience stores.

The NME454 and NME654 units are renowned for their compact design, making them ideal for establishments with limited space. Despite their smaller size, these machines do not compromise on ice production capacity. The NME454 can produce up to 430 pounds of ice per day, while the NME654 boasts an impressive output of up to 600 pounds. Both models utilize Scotsman's signature innovative technology to ensure consistent ice quality, primarily in the form of nugget ice, which is favored for its ability to cool beverages quickly.

In contrast, the FME804 and FME504 are larger-capacity machines that cater to high-volume requirements. The FME804 can produce around 800 pounds of ice daily, making it suitable for busy restaurants or bars. The FME504, while slightly smaller, still offers impressive production capabilities of up to 500 pounds per day. These machines incorporate advanced features such as the AquaArmor protective layer, which inhibits bacterial growth, ensuring that the ice produced is not only abundant but also hygienic.

All four models utilize an innovative air-cooled design that enhances energy efficiency and reduces operational costs. The easy-to-use control panel allows for straightforward operation, and maintenance is streamlined thanks to easily accessible components. Additionally, the quiet operation of the machines ensures that they can be used in front-of-house areas without distracting customers.

In terms of construction, Scotsman ice machines are built to last with corrosion-resistant materials, ensuring longevity in demanding environments. With simple installation processes and compatibility with various environments, including indoor and outdoor settings, these units provide adaptability for any business scenario.

Overall, Scotsman’s NME454, NME654, FME804, and FME504 ice machines combine robust performance with innovative technology, catering efficiently to diverse ice production needs while maintaining high standards of hygiene and reliability.