Scotsman Ice FME504, NME454, NME654, FME804 manual For the Electrician

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NME454, 654 & FME504, 804

FOR THE ELECTRICIAN

CONFORM TO ALL APPLICABLE CODES

Connect the electrical power to the machine to the wires in the junction box at the rear of the machine. Check the nameplate (located on the back panel) for the voltage requirements, and for the minimum circuit ampacity. The machine requires a solid chassis to earth ground wire.

The ice machine should be connected to its own electrical circuit so it would be individually fused. Voltage variation must remain within design limitations, even under starting conditions.

All external wiring must conform to national, state, and local electrical codes. The use of a licensed electrician is required to perform the electrical installation.

WATER

COOLED

POWER

SUPPLY

AIR

COOLED

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 Control BOX Components On/Off mode Switch Manual control forAutoSentry Control Board Control Board Protection Devices Electrical SequenceStart Up Shut DownWater Level The correct water level should be Operation WaterOperation Refrigeration Refrigeration SchematicOperation Performance ICE Making System In place cleaning Cleaning & SanitizingSanitizing Sensor Maintenance Clean the air cooled condenser AIR Cooled MaintenanceHazardous Moving Parts Off Bearing MaintenanceAt least two times per year 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 Remove the Water Seal Removal and Replacement Water SealTo Replace the Water Seal Heat sink the TXV body when unsweating or Removal and Replacement EvaporatorResweating the adjacent tubing Removal and Replacement Gear Reducer and Motor Access Valves To use Refrigeration System ServiceInstructions for Liquid Charging R-404A If the machine is off, not making ice What to do Before Calling for Service
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