Scotsman CU3030 Instrukcja Obsługi

IntroductionThe design of this cuber is the result of years ofexperience and testing. Standard features includea removable bin for service and an on-o

AdjustmentsBridge Thickness - For the Service Tech Only1. Remove left louver, locate controller on and offswitches.2. Push and hold Off till the machi

Use and OperationOnce started, the ice machine will automaticallymake ice until the bin is full of ice. When ice leveldrops, the ice machine will resu

Control SwitchesThere is a front on and off switch, located in the topcenter of the louvers. Switching this switch Off willimmediately stop the machin

Cuber System InformationOverall System Type:•Refrigeration: Mechanical, either air cooled or water cooled•Water System: Inlet water float valve fills

May 2008Page 14CU1526, CU2026, CU3030Service ManualController InformationMachine Indicator Lights•Power•Status•Water•CleanCode DisplayMain codes - aut

Controller InformationComponent Indicator Lights•Condenser Fan / Aux•Water Pump•Purge Valve•Water Solenoid•Hot Gas•Compressor•Ready to Harvest•Sump Em

September 2008Page 16CU1526, CU2026, CU3030Service ManualHow It Works - Air CooledFreeze Cycle. At start up the controller operates the water pump and

How It Works - Water CooledFreeze Cycle. At start up the controller operates the water pump and purge valve to drain the reservoir.The float valve ref

May 2008Page 18CU1526, CU2026, CU3030Service ManualElectrical Sequence - Air or Water CooledPower connected, unit previously switched Off.Control boar

Electrical Sequence - Air or Water Cooled (continued)Indicator Information: The display shows a non-blinking H. The Power and Status Lights will be Gr

Installation: Product SpecificationsLocation Limitations:The product is designed to be installed indoors, ina controlled environment. Air cooled model

May 2008Page 20CU1526, CU2026, CU3030Service ManualElectrical Component DetailsCompressor•Operated by the compressor contactor. Uses PTCR and run capa

Electrical Component Details - continuedHot Gas Valve•Operated by the controller in parallel with the harvest assist solenoid. Cycles on and off at th

May 2008Page 22CU1526, CU2026, CU3030Service ManualRefrigeration & Water SystemsRefrigerant: R-404ACompressor: Copeland or Tecumseh hermetic by mo

Control OperationStandard control:•Electronic controller operating from a 12 AC volt power supply. Will operate within a voltage rangebetween 10 and 1

May 2008Page 24CU1526, CU2026, CU3030Service ManualControl SafetiesMax freeze time – 84 minutesWhen exceeded, the controller will attempt another free

RestartsPower InterruptionThe controller will automatically restart the ice machine after adequate voltage has been restored. Thisalso occurs after th

May 2008Page 26CU1526, CU2026, CU3030Service ManualControl Button Use (from standby - status light off)Set purge level, 1-5 (1 is minimum, 5 is maximu

Test Mode:•Depress Off for 3 seconds, release. Then depress Clean for 3 seconds.•At 30 seconds the WP will turn on. You will be able to see and hear t

Service DiagnosisNo iceProblem Likely Cause Probable SolutionNo power to unit Power disconnectedCheck breaker or fuse. Reset orreplace, restart and ch

Service DiagnosisProblem Likely Cause Probable SolutionShut down on maximumfreeze timePump hose disconnected Check hoseCompressor not operatingCheck c

Model Number DescriptionExample:•CU2026SA-1A•C= cuber•U=under the counter type•20= nominal ice capacity in 10s of pounds•26= nominal width of cabinet•

Service DiagnosisProblem Likely Cause Probable SolutionShut down on maximumharvest timeIce bridge thickness too small, notenough ice to open curtainCh

Service Diagnosis - Low ice making capacity - air cooledProblem Likely Cause Probable SolutionLong freeze cycleDirty air filter Clean filterDirty cond

May 2008Page 32CU1526, CU2026, CU3030Service ManualCleaning, Sanitation and MaintenanceThis ice system requires three types of maintenance:•Remove the

1.Locate ice thickness sensor. Squeezemounting legs together to release sensor.Wash the metal surfaces of the sensor and theadjustment screw with ice

Test Procedures - SensorsAll electrical components in this ice machine can be diagnosed with a volt-ohmmeter.Curtain Switch:1. Test using the controll

Sensor TestingWater SensorThe water sensor has two functions, the first is tostop the machine from operating if there is nowater, the second is to sen

ThermistorsMay 2008Page 36CU1526, CU2026, CU3030Service Manual0····853251····826612····800903····776074····752105····728966····706607····685018····664

Test Procedures - LoadsCompressorFailure to start.All have resistance start, capacitor run type motors.Check voltage to compressor at the contactor.Co

Test ProceduresWater Pump1. Test using the controller’s indicator lights. Checkthe indicator light during the freeze cycle. The lightwill be On for al

Test ProceduresCompressor contactor1. Test using the controller’s indicator lights. Whenthe unit is in ice making mode the compressorcontactor will ha

WaterThe quality of the water supplied to the ice machinewill have an impact on the time between cleaningsand ultimately on the life of the product. W

Test ProceduresControllerThe controller’s software operation is confirmed if itis functioning. Execute the test to confirm itsoperation of the loads.

Technical InformationPressure Control InformationCut In (PSIG) Cut Out (PSIGFan Pressure Control 240 190High Pressure Cut Out AC 390 500High Pressure

May 2008Page 42CU1526, CU2026, CU3030Service ManualPerformance Data, CU1526CU1526A Ambient Air Temp., Degrees F.70 80 90Cycle Time(minutes)Water Temp5

Performance Data, CU2026May 2008Page 43CU1526, CU2026, CU3030Service ManualCU2026A Ambient Air Temp., Degrees F.70 80 90Cycle Time(minutes)Water Temp5

May 2008Page 44CU1526, CU2026, CU3030Service ManualPerformance Data, CU3030CU3030A Ambient Air Temp., Degrees F.70 80 90Cycle Time(minutes)Water Temp5

Wiring Diagram, CU1526 and CU2026 60 HzMay 2008Page 45CU1526, CU2026, CU3030Service ManualWBK**GNWBN/WWYW(A/C ONLY)SWITCHPRESSUREFAN CYCLINGSOLENOID 1

May 2008Page 46CU1526, CU2026, CU3030Service ManualWiring Diagram, CU3030 60 HzON/OFFSWITCHON/OFFSWITCHOWBK**GNWBN/WWYWFAN CYCLINGPRESSURESWITCH(A/C O

Wiring Diagram, CU1526 and CU2026 50 HzMay 2008Page 47CU1526, CU2026, CU3030Service ManualUSE COPPER CONDUCTORS ONLYTHIS UNIT MUSTBE GROUNDED.CAUTION:

May 2008Page 48CU1526, CU2026, CU3030Service ManualWiring Diagram, CU3030 50 Hz17-3186-01MORE THAN ONE DISCONNECT MEANS MAY BEREQUIRED TO DISCONNECT A

Removal and ReplacementWater ReservoirCU1526 or CU20261. Top access and top panel removal is required for this procedure.2. Shut water supply OFF.3. R

CU1526 and CU2026 Cabinet LayoutMay 2008Page 5CU1526, CU2026, CU3030Service Manual5.4813.939.099.022.1256.24.00MINIMUMUTILITYCLEARANCE10.26.0015.222.2

May 2008Page 50CU1526, CU2026, CU3030Service ManualRemoval and ReplacementWater ReservoirCU30301. Shut water supply OFF.2. Remove left grill.3. Push a

Removal and ReplacementFloat valveCU1526 and CU20261. Top access and top panel removal will be required for this procedure.2. Shut water supply Off.3.

May 2008Page 52CU1526, CU2026, CU3030Service ManualRemoval and ReplacementWater PumpCU1526 or CU20261. Top access and top panel removal is required fo

Removal and ReplacementPurge valve1. Remove left front grill.2. Push and hold the Off button to shut the machine off.3. Disconnect electrical power.4.

May 2008Page 54CU1526, CU2026, CU3030Service ManualRemoval and ReplacementFan Blade and/ or Motor1. Disconnect electrical power.2. Go thru all steps t

Thermostatic Expansion Valve1. Remove left front grill.2. If the machine was in operation, push and release the Harvest button to shut it down. Wait u

May 2008Page 56CU1526, CU2026, CU3030Service ManualCompressor1. Remove left front grill.2. If the machine was in operation, push and release the Harve

23. Attach compressor terminal cover.24. Reconnect electrical power.25. Return bin and all panels to their original positions.Note: If the compressor

May 2008Page 58CU1526, CU2026, CU3030Service Manual18. Install the harvest assist solenoid. Note location of ejector pin. Adjust position of the evapo

CU3030 Cabinet LayoutMay 2008Page 6CU1526, CU2026, CU3030Service Manual5.3013.5 39.099.025.9565.94.6911.930.076.230.6277.84.00MINIMUMUTILITYCLEARANCE

Bin RemovalThe ice storage bin is removable to allow access tothe refrigeration system for service.1. Remove front louvers. Remove left then right.2.

Plumbing RequirementsAll models require connection to cold, potablewater. A hand actuated valve within sight of themachine is required. Air cooled mod

ElectricalThe machine is supplied with a power cord.This is a cord-connected unit, and must be on aseparate power supply. Check the dataplate for thev