Scotsman SCE275 Bedienungsanleitung

IntroductionTo the owner or user: This service manual isintended to provide you, and the maintenance orservice technician, with the information needed

SCE275January 2003Page 10Component DescriptionHigh Pressure Cut Out - Water Cooled OnlyThis is a switch that opens to stop the ice machinewhen the int

SCE275January 2003Page 11AutoIQ ControllerIndicator Lights:Bin Full: On when bin is full, goes on and off asice falls during a harvest cycle.Freeze: O

SCE275August 2000Page 12Initial Start Up1. Remove two screws and the left grill (G seriesand higher).2. Locate the AutoIQ Controller - use a flashligh

SCE275January 2003Page 13Notes On Operation1. The electric eyes signal the ice machine to shutoff whenever the bin becomes full. After the eyessense t

SCE275January 2003Page 14AdjustmentsHow to adjust the water cooled dischargepressureWater cooled models use a water regulating valveto control how muc

SCE275January 2003Page 15How To Operate The AutoIQ ControllerThe AutoIQ Controller is a microprocessor baseddevice that receives input from several so

SCE275January 2003Page 16How The Electronic Cuber WorksController Inputs:1. Reservoir water temperature. This is measuredby a thermistor located in th

SCE275January 2003Page 17Water SystemWater flows into the ice machine during the harvestcycle thru the inlet water valve. The water valve willNOT be o

SCE275January 2003Page 18Technicians Only: Freeze Cycle Operational SequenceHow The Electronic Cuber WorksThis section is intended for the technician.

SCE275January 2003Page 19Technicians Only: Harvest Cycle Operational SequenceHarvestThe (air cooled) fans are off.The water valve opens and fills the

SpecificationsSCE275January 2003Page 2BACK VIEW6.00 IN15.2 CM.4.00 IN.10.16 CM.MINIMUM UTILITYCLEARANCECOND DRAIN1/2-13 NPT(W/C ONLY)3/4 FPTDRAINELECT

Cleaning Schedule:Scrub the door and frame edges once a weekwith soap and water.Sanitize the bin interior once a month.Clean the water system and air

1. Remove and discard all ice from the bin. If thecleaning was pre-planned, the ice machine couldbe switched off the night before to minimize waste.2.

Additional MaintenanceWater DistributorsIt may become necessary to remove the waterdistributors from the top of the evaporator andclean (de-mineralize

Additional MaintenanceExterior Cabinet Cleaning:The exterior cabinet may be cleaned by scrubbingwith soap and water. Do not use cleanerscontaining pet

SCE275January 2003Page 24Additional Maintenance: Bin ControlsThe bin controls use a system of infrared emittingand receiving components to sense the b

SCE275January 2003Page 25Technical CharacteristicsTypical Harvest Ice Weight2.8 to 3.2 lb.Refrigerant Type / ChargeR-404A / 18 ounces air cooledR-404A

SCE275January 2003Page 26Problem or Symptom Possible Cause Probable CorrectionMachine is offBin is full, ice in cube port Use some icePower is off, ch

Service DiagnosisSCE275January 2003Page 27Problem or Symptom Possible Cause Probable CorrectionUnit is off because of a“Harvest Problem”Bin controls d

Service DiagnosisSCE275January 2003Page 28Problem or Symptom Possible Cause Probable CorrectionFan motor(s) do notturn.Open motor windings, orseized b

SCE275January 2003Page 29PTCRThe “D” series and higher use a PTCR (PositiveTemperature Coefficient Resistor) in place of aconventional start relay and

For The Installer: Environmental LimitationsThe ice machine must be installed indoors in acontrolled environment.Min MaxAir Temp 500F. 1000F.Water Tem

Removal and Replacement: AutoIQ ControllerBegin by disconnecting the electrical power.1. Remove 2 screws and the right front grill.2. If the machine i

Removal and Replacement: Water Pump, Water Level SensorWater PumpThe pump provides the force to move the waterfrom the reservoir to the freezing surfa

SCE275January 2003Page 32Removal and Replacement: Inlet Valve & Water TroughWater Inlet ValveThe water inlet valve is located in the lower back of

SCE275January 2003Page 33Removal and Replacement: Bin Control SetBin ControlsThe bin controls are located in between the twoevaporators, one on the le

SCE275January 2003Page 34Removal and Replacement: ThermistorsThere is a thermistor to sense reservoir watertemperature and another to sense compressor

SCE275January 2003Page 35Water DistributorsWater Distributors are a snap-fit on the top edge of the evaporators.They are interchangeable left to right

Refrigeration System Service: R-404ASCE275January 2003Page 36This ice machine uses R-404A refrigerant andpolyolester oil. Do NOT use mineral oil in th

InstallationWaterThe water supply for this ice machine has been incontact with many materials since it fell from thesky as rain. All rain is slightly

InstallationFor The PlumberBegin by planning the installation and obtaining theneeded supplies:38" soft copper tubing34" rigid drain tubing3

SCE275January 2003Page 6For The PlumberDrain Configuration:Water cooled models must use a separate draintube from the reservoir/bin drain.The water co

InstallationFor The ElectricianThe 115 volt, 60 Hz model is a cord-connectedunit, and must be on a separate 115 volt AC 60cycle single phase power sup

Removal of the CabinetOne of the most useful features of this ice machineis the ability to remove the cabinet from the icemachine without removing the

Component LocationThe ice machine is designed for front service.Many components are serviceable from the frontwithout removing the cabinet. With the c