Scotsman C1848R Manual de usuario

Prodigy Cuber Technical TrainingRevised 2009

• Potable water connects to 3/8 fitting on back of cabinet– Fitting is 3/8” female pipe thread –direct connection to inlet water solenoid valve• Adapt

Prodigy Installation – Water Cooled• Same as air cooled plus an inlet and drain for the water cooled condenser– Water cooled inlet should not be filte

Prodigy Installation – Remote Air Cooled• MUST use condensers with headmaster in them:– ERC111, 211, 311 and 611– RTE line sets – 10, 20, 40, or 75 fo

Remote System ConfigurationC1448R, C1848R, C2148R Refrigeration Circuit ReceiverCompressorRemote CondenserHot Gas ValveHot Gas ValveDischarge LineA

Remote Installation• Same limitations and requirements as other Scotsman remote models• Select the location for the ice machine and condenser– Minimiz

Remote Installation• Typical Installation– Condenser above ice machine– Precharged line set coiled within building• Use horizontal coil• NEVER leave e

Clean and LubricateQuick Connect CouplingsUse Two Wrenches to TightenRotate Swivel Nut OneQuarter Turn More AfterNut Becomes TightRemote InstallationI

Quick Connect JointShoulders on Swivel Nut SectionSeat on Male SectionNote: Shown With Swivel Nut Removed for Illustration PurposesAt final ¼ turn, th

Coupling SealingBefore AfterGroove from Final ¼ TurnGroove from Final ¼ Turn

Components• Refrigeration: – Compressor, condenser, thermostatic expansion valve, hot gas valve, evaporator, and R-404A• One hot gas valve and one TXV

•Overview• Installation• Operation• Diagnosis• ServiceIntroduction

Components• Electrical– PTCR for compressor starting– Harvest assist solenoid– Fan motor – air cooled and remote air cooled– Fan cycling pressure swit

Component Location – 30” wide modelsControllerFan MotorCompressorHarvest Assist SolenoidWater DistributorEvaporatorCurtain SwitchWater PumpPurge Valve

Air Flow and Control• Air flow is in the left and out the back– Front air in optional with panel kit– Baffle is also optional– Left white panel no lon

Component Location – 48” wide modelsControllerFan MotorCompressorHarvest Assist SolenoidWater PumpPurge ValveTXVWater Level SensorTXVFreezing Compartm

48” Models – Freezing CompartmentEvaporatorIce Thickness Sensor (under curtain)Curtain SwitchWater DistributorCurtain Switch

Ice Thickness Sensor – All ModelsConductivity ProbeAdjustment Screw

Prodigy Operation• Electrical Sequence– Power up, controller does self check– Power Light glows Green– Push and release the green ON button to start t

Start Up – Air and Water Cooled• Reservoir emptied and refilled– Purge valve opens, water pump starts– Hot gas and harvest assist solenoid activate– I

Start Up - Remote• 4 hour compressor soak out before operation• Open receiver outlet valve• Push and release ON switch– Purge valve opens, water pump

Water Control – All Models• Water Level Sensor– Conductivity Probe– Water fills when mid-length probe is not touching water– Water stops filling when

Prodigy Overview• Modular cubers– Air cooled, water cooled, remote air cooled • Remote low side in separate presentation• 22”, 30” and 48” wide platfo

Freeze Cycle• Hot gas valve closes and harvest assist solenoid pin retracts after 5 seconds of freeze.– Allows compressor to start with minimal discha

End of Freeze Cycle• Freeze continues until ice thickness sensor is contacted by water for a few seconds, that triggers harvest• Air cooled fan may sh

Harvest Cycle• Air cooled fan motor shuts off• Harvest assist and hot gas valve solenoids are energized– Harvest assist pin will push but not move unt

Harvest Assist Solenoid• Harvest continues until the evaporator heats up enough to release the ice, the harvest assist solenoid pin will extend fully

Curtain Switch• The curtain switch opening terminates harvest.– Stays open = shuts off. If it closes again, a new freeze cycle begins.– Switch is the

Ice Bridge1/8” BridgeToo SmallToo Big Just Right, most models Just Right, Medium cube, C0322 and C0330

Total Cycle Times024681012141618330 530 630 830 1030 1448 1848 214870/5090/70Minutes

Harvest Cycle Times (seconds)0102030405060708090330 530 630 830 1030 1448 1848 214870/5090/70Seconds

Suction Pressures, End of Freeze051015202530354045330 530 630 830 1030 1448 1848 214870/5090/70PSIG

Suction Pressures, Harvest020406080100120140330 530 630 830 1030 1448 1848 214870/5090/70PSIG

Model Number Scheme• C0330SA-1A– C = cuber– 03 = 300 lb category– 30 = cabinet width in inches– S = small or half dice cube– A = air cooled– -1 = volt

Ice Batch Weights• C0322, C0330 – 2.4 to 2.6 lb per cycle• C0522, C0530, C0630 – 4.5 to 5 lb per cycle• C0830, C1030 – 7 to 7.3 lb per cycle• C1448, C

AutoAlert Light PanelPower LightStatus Light Water LightTime to Clean Light

AutoAlert Light PanelOn Switch Button Off Switch ButtonOptional Vari-Smart Control Location

Prodigy ControllerAutoAlertLightsManual Harvest and Clean SwitchesCode DisplayOn and Off SwitchesComponent Indicator LightsPlace for Optional Accessor

Code Display•Letter codes show operational status• Number codes show shut down causes

5 Controller Shut Down Causes• Exceeds limit on water fill time – 5 minutes• Exceeds limit on maximum freeze time – 45 minutes• Exceeds limit on maxi

Controller Reaction• Exceeds water fill time– Shuts down, attempts refill every 20 minutes• Exceeds maximum freeze time– Completes harvest, tries anot

Controller Auto Restart• From diagnostic causes– Retries 2 times, if fails again 3rdtime, machine must be manually reset• From water interruption – Wi

Controller Button Processes• Reset– Push and release Off, push and release On

Control Button Processes• Recall diagnostic code– Push and hold Off to shut the machine down– Push and hold Off again until the display code changes–

Ice Form• Either half or full dice cubes– Small – half dice– Medium – full dice

Controller Button Processes• Clear all diagnostic codes– Push and hold Off to shut the machine down– Push and hold both the Clean and Harvest buttons

Controller Button Processes• View/Change water purge– Push and hold Off to shut the machine down– Push and hold Off again until the display code chang

WaterSense Automatic Purge• Controller measures conductivity of the reservoir water• Adjusts purge water amount based on the water’s dissolved solids–

Other Controller Button Processes•Empty reservoir– Push and hold Off to shut the machine down– Push and hold Clean button until the display shows a da

Other Controller Button Processes• Adjust time interval for de-scale light– Default is 6 months power up time– To adjust times:• Push and hold Off to

Prodigy Diagnosis• Use the controller’s component indicator lights to check if a component is operating when it should be.

Example: Freeze Cycle

Example: Harvest Cycle

Diagnostic – Line Voltage OutputsFan Motor Inlet Water Sol Line In Purge Valve Compressor Hot Gas Valve Water Pump BrownRed WhiteBlueBrown WhiteYellow

Diagnostic Process• Check diagnostic code– Use codes as a guide to the root cause– Codes listed on the controller overlay• Remember the Recipe for Ice

C0322 and C0522• 22” wide models– 23” tall• Evaporator on right– C0322 has 6” high evaporator• Air and water cooled models– C0522 has 12” high evapora

Diagnostics• Max freeze time diagnostic – Code 1– Limit is 45 minutes– Typical cycle is much shorter• 15 to 20 minutes– Long freeze cycle causes:• Lac

Diagnostics – Code 1• Lack of water flow potential causes:– Water pump failure– Leaking pump hose– False Sump Full signal from Water Level Sensor• Lac

Diagnostic – Water Pump• Check pump for operation during freeze– When diagnostic light is ON pump should be operating

Diagnostic – Fan Motor• Two controls – controller and fan pressure switch– Controller light ON when fan should be ON– Pressure switch then controls po

Diagnostic - Sensors• Water Level Sensor– Continuity probe– Check by connecting two short probes– Sump full light should be On– Must be OFF if nothing

Diagnostics - Code 1• Control system not sensing correctly– Sensor dirty• Ice thickness – large bridge• Water level – reservoir empty and Sump Full li

Diagnostics - Sensors• Ice thickness sensor– It is a continuity probe– Check by grounding metal tip to cabinet and observing Ready To Harvest light

Diagnostics• Max harvest time – Code 2– Limit is 3 ½ minutes– Normal time is between one and two minutes– Long harvest cycle possibly caused by:• Harv

Diagnostic – Harvest Assist Solenoid• Operates when the Hot Gas valve is energized– Check during harvest, if voltage is present, pin should extend whe

Diagnostic – Harvest Assist Solenoid• Spring retracts pin when power is off– If pin does not retract, check for binding in evaporator bushingHarvest A

C0330, C0530, C0630, C0830 and C1030• 30” wide models• Evaporator on right– C0330 has 6” high evaporator• 23” tall cabinet– C0530, C0630 have 12” high

Diagnostic - Sensors• Curtain Switch– Magnetic reed switch– Check with indicator light or ohmmeter– When curtain is CLOSED, light is OFF• Single plate

Diagnostic – Hot Gas Valve• Opens at start up and during harvest• Line voltage coil• Check power to coil when hot gas indicator light is on• Check res

Diagnostic – Water Level Sensor• Sump Full light ON, but no water in reservoir - Code 2 displayed. • Cause: dirty sensor – Solution: clean sensor• Rel

Diagnostics• Slow or no water fill – Code 3– Limit on fill time is 5 minutes– Longer fill times possibly caused by:• Water supply shut off• Water filt

Diagnostic – Water Valves• Shut unit off, restart• Observe indicator lights, – Purge valve and water solenoid should be ON and Operating during a rest

Inlet Water Solenoid Valve• Quick test: In Freeze, pull Water Level Sensor out of reservoir – Sump Empty light will switch ON and Inlet Water Solenoid

Diagnostics• High discharge temperature – Code 4– Immediate and complete shut off if discharge temperature reaches 250oF.– Possible causes of high dis

Diagnostic - Sensors• Display codes 5 or 7 indicate a sensorfailure– Check by measuring resistance of thermistor and comparing to the table at that te

Diagnostics• Short freeze cycle – Code 8– Freeze cycle triggered before 6 minutes– Possible causes• Improper water flow, water continuously splashes o

Diagnostics - Sensors• Ice thickness sensor– Short freeze may be caused by irregular water flow or mis-adjusted ice thickness sensor• Too thin may tri

C1448, C1848, C2148• 48” wide models• Two 18” high evaporators face each other• Similar operation to smaller models– Same control system & options

Diagnostics• No ice complaint– Machine is not making ice– Bin is not full– Status light is on– Code b is displayed– Possible causes:• Curtain is open•

Diagnostics – Curtain Switch• Light is ON when switch is Open– Unused switch light is always on• Move the curtain – Check if the light cycles with the

Diagnostic – Test Mode• Depress and HOLD Off for 3 seconds, release then• Depress and HOLD Clean for 3 seconds– The controller will go through a progr

Maintenance• Mineral scale– Water sensors and distributor become coated with scale– Use Scotsman Clear 1 scale remover to dissolve scale– Pay special

Water Distributor• No fasteners• Release catches, pull and lift off mounting track• Pull cover off, rinse out

Ice Thickness Sensor• Wipe inside surface clean with scale removerClean this surface

Water Level Sensor• No tools required to remove– Release snaps and pull out• Wipe metal probes clean with scale remover– Include base of plastic housi

Air Filter• Slide out, wash off, return.– One filter up to 600 lb.– Two filters from 800 to 1000 lb.– Four filters 1400 lb and higher

Service Notes: Harvest Assist Solenoid• Ejector pin must be free to move– Loosen harvest assist solenoid mounting screws– Align pin in bushing– Tighte

Service Notes: Ice Thickness Adjustment•Adjustment screw is very sensitive– Rotate only slightly to adjust bridge thickness• 1/8 turn is TOO MUCH

Prodigy Installation – All Models• Set the machine in place• Remove any packing• Level the cabinet• Connect drain (s)• Connect water supply• Remotes:

Service Notes: Service Controller• Discharge static electricity by touching metal cabinet before touching controller• Selector switch on replacement c

Service Notes: Refrigerant Charge• Ice machines are critically charged• Refrigerant leak symptoms are progressive – they change as the amount of refri

Service Notes – Important Changes• Controller– Auto-selects sensitivity between RO and standard water– Push button sequence to shorten, prolong or dis

Liquid ChargeLiquid ChargeWeigh In ChargeWeigh In ChargeEvacuate to 300 micronsEvacuate to 300 micronsUse Nitrogen PurgeUse Nitrogen PurgeUse HFC Leak

Field Installed Options• Vari-Smart – Adjustable ice level control– Connects to existing controller– Adjustable to maintain a lower level of ice in bi

Field Installed Options•SmartBoard– Available as an add-on to the existing controller or– As a data logger that can be moved from unit to unit

Option Information• More Vari-Smart and SmartBoard information available in a separate training moduleVari-SmartSmartBoardStandard Controller

Summary• Prodigy Cubers– Efficient– Simple operation– Easy maintenance• Slide out air filters• Slide out water distributor– Easy to diagnose– Operatio