Scotsman Eclipse 1300 Page 18 Technical Training Manual Download | Manualshive

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Bin Thermostat

Bin Thermostat

•

CME1386, CME1686
and CME2086 are all
equipped with a bin
thermostat.

•

Thermostat routes
through hole in base.

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Summary of Contents for Eclipse 1300

Page 1: ...Technical Training Technical Training 30 Inch Wide Eclipse Modular Cubers ...

Page 2: ... Ice Making Head CME1386 CME1686 Compressor Package CP1316 CP2086 Condenser ERC1086 ERC2086 Eclipse 1300 Eclipse 1300 2000 2000 ...

Page 3: ... made up of three parts Ice Making Section or Head Unit 115 volt Compressor Package 208 230 volt AC Condenser 208 230 volt Flexible Modular System CME1386 or CME1686 can connect to CP1316 ERC1086 can be used on 1000 1300 or 1600 systems All are R 404A systems ...

Page 4: ...Ice Making Section Ice Making Section 30 Wide Head Units CME1386 or CME1686 or CME2086 Remote Low Side CM3 technology Water and Control Systems Rotomolded freezing compartment ...

Page 5: ...Ice Making Section Ice Making Section Refrigerant Line Connections Vapor Liquid Suction Vapor Liquid Suction ...

Page 6: ...Ice Making Section Ice Making Section Ice making compartment Five or Six evaporators CME1386 has 5 CME1686 and CME2086 have 6 ...

Page 7: ...Vapor Inlet Valve Vapor Inlet Valve Purpose Opens during harvest to allow vapor to enter the evaporators 24 volt coil ...

Page 8: ...One TXV One TXV Single externally equalized valve Meters refrigerant through a distributor TXV ...

Page 9: ...Water Pump Water Pump 115 volt pump Same for all three Pedestal type Pump motor separated from reservoir Keeps motor drier Motor cap keeps condensation off motor ...

Page 10: ...Controller Controller AutoIQplus Uses sensors for ice harvest bin full indications water reservoir temperature water level Controls freeze and harvest cycles ...

Page 11: ...ical Box CME Electrical Box Transformer 115 to 24 85 VA Purge valve timer Control wire connection nearby Wire routes to compressor package Controls contactor and solenoid valves Box purposely mounted at an angle ...

Page 12: ...Evaporator Covers Evaporator Covers ...

Page 13: ...Freezing Compartment Freezing Compartment Water Trough Cube Deflector Front Ice Sensor ...

Page 14: ...ure Sensors Two sensors Water In pump discharge hose Used to check water temp for anti slush and refrigeration system operation Liquid Used to determine which pre set time for first harvest cycle Lower temperatures longer first harvest cycle ...

Page 15: ...Inlet Water Valve Inlet Water Valve Opens to add water and fill reservoir Adds water during harvest Fills at beginning of freeze Refills once more during freeze ...

Page 16: ...Purge Valve Purge Valve Opens to drain the reservoir during harvest Controlled by purge valve timer ...

Page 17: ...Ice Sensors Ice Sensors Infrared sensors Located at the ice outlet port Create a light curtain Harvesting ice triggers the sensor ...

Page 18: ...Bin Thermostat Bin Thermostat CME1386 CME1686 and CME2086 are all equipped with a bin thermostat Thermostat routes through hole in base ...

Page 19: ...Bin Thermostat Bin Thermostat Thermostat bulb must be mounted to the bracket The bracket mounts to the bottom of the ice machine ...

Page 20: ...Compressor Package Compressor Package Two models CP1316 Reciprocating compressor CP2086 Scroll compressor ...

Page 21: ...CP Unit CP Unit CPR Valve Low Side Access Valve Condenser Bypass Valve Headmaster Receiver High Pressure Cut Out Auto Reset ...

Page 22: ...Access Valves Access Valves Low Side Compressor Suction High Side Compressor Discharge Receiver Liquid Outlet ...

Page 23: ...Crankcase Pressure Regulator Crankcase Pressure Regulator CPR valve restricts compressor dome pressure during harvest 55 to 60 PSIG Pre set don t adjust it ...

Page 24: ...Condenser Bypass Valve Condenser Bypass Valve Normally Closed opens during harvest Bypasses condenser coil and directs discharge gas to vapor line ...

Page 25: ...Headmaster Headmaster Maintains discharge pressure during freeze Active at any temp below 70oF Rated at 217 PSIG freeze cycle pressure may be between 220 and 250 during cold ambient operation ...

Page 26: ...Liquid Inlet Valve Liquid Inlet Valve Normally Open closes during harvest Controls liquid flow into receiver Isolates refrigerant in condenser during harvest Improves cycle time ...

Page 27: ...Receiver Receiver Shipped with system charge Three ports Liquid inlet Liquid outlet Vapor outlet Liquid In Liquid Out Vapor Out ...

Page 28: ...nnection Electrical Box Electrical Box Toggle switch controls condensing unit Control Wire connection from Ice Making Section to control the system Electrical power connected at contactor Remote condenser fan connects at contactor ...

Page 29: ...essor Three Phase Supply wiring can make it start backwards To fix switch two power leads Single Phase Always starts with the correct rotation Can reverse after power interruption Time delay relay in circuit to prevent reversal ...

Page 30: ...Compressor protection circuit 24 volt transformer 24 volt relay Time Delay Relay Power interruption of as little as 15 milliseconds causes relay to shut compressor off for 30 seconds Compressor then restarts Time Delay Relay Transformer Relay ...

Page 31: ...Scroll Compressor Scroll Compressor Oil sight glass and oil drain fill port Don t add oil Oil level will change during each cycle Ranges between 1 3 1 2 full ...

Page 32: ...models ONLY for Eclipse ERC1086 used with CP1386 and CP1686 ERC2086 only used with CP2086 No headmaster in condenser Headmaster is in CP unit Swivel nut connections for CP unit Don t connect these condensers to a regular remote ...

Page 33: ...System Installation System Installation Three systems single and three phase for each 1300 1600 2000 Must match components to create system ...

Page 34: ...System Installation 1300 CME1386 CP1316 ERC1086 1600 CME1686 CP1316 ERC1086 2000 CME2086 CP2086 ERC2086 CP units may also be connected to approved central condenser coil using tubing kit RTE10 Coil must NOT have headmaster ...

Page 35: ...CME can be above or below condensing unit If above limit is 15 feet Pre charged lines are used 3 tubes per set 20 50 and 75 foot only No extra refrigerant charge required S trap required when condensing unit is over 20 above ice making head ...

Page 36: ...Other Configurations Other Configurations Approved Central Condenser Coil CP Unit Ice Making Head RTE10 Line Set 3RTE Line Set ...

Page 37: ...densing Unit Modular system connect CP to ERC Assemble on roof or ground ERC has back legs and two braces Assemble legs and braces to condenser Connect wires to junction box Place ERC on back of CP lip on CP holds ERC up ...

Page 38: ...Condensing Unit Condensing Unit Fasten CP to ERC Connect liquid and discharge line connections Route wire to CP control box and connect to contactor ...

Page 39: ...Partial Assembly One Thread Showing Status Not Ready diaphragms partially pierced Quick Connects Quick Connects ...

Page 40: ...Partial Assembly Threads are Flush Status Not Ready diaphragms pierced but connection not leak proof Quick Connects Quick Connects ...

Page 41: ...Completed Assembly Status Ready diaphragms fully pierced and joint is leak proof Quick Connects Quick Connects ...

Page 42: ...ine Set Three tubes Reversible CME routing determines which end goes to CME Out the back use double bend ends at CME Out the top use single 90 degree ends at CME Ends for out the CME top Ends for out the CME back ...

Page 43: ... routing 3 4 tube requires careful handling Check for holding charge before installation Route control wire with line set Only shorten if necessary Do before connections are made Purge with nitrogen while brazing Schraders at both ends for purging Evacuate to 300 microns or less Add holding charge if connecting later ...

Page 44: ...Install CME Install CME Flush against wall capability Drains left or back Route refrigeration tubes out the top for flush installations 115 volt unit cord provided Vent Tube Drain Fitting ...

Page 45: ...Utility Connections Utility Connections Attach water inlet Attach drain 3 4 Connect refrigerant tubing Add foam tape cork tape to suction line nut Secure unit at sides or back with provided strap clips ...

Page 46: ...ondensing Unit Condensing Unit Connect precharged lines Use refrigerant oil Use two wrenches to prevent quick connect diaphragm damage from rotating tube Connect control wire Connect power check voltage ...

Page 47: ...Initial Start Up Initial Start Up Check installation Power Water Drain Tube Routing No soak out needed Plug in CME unit Check EEPROM code Push Freeze to start ...

Page 48: ...Start Up Start Up CME unit Opens closes Purge Valve Fills with water Switches on Pump Switches on Condensing Unit Compressor and fan begin to operate Adjustments Purge is adjustable ...

Page 49: ...r for Reservoir water fill Freeze cycle termination Ice sensors to sense Ice harvest Controller determines cycles and operates components Uses water level to determine freeze cycle length Uses length of time for ice to fall to determine next harvest Uses thermostat to determine bin full ...

Page 50: ...Control Details Control Details Water level sensor Two photo electric eyes in housing Top eye blocked tells controller water level is low Bottom eye blocked tells controller water reservoir is full ...

Page 51: ...ol Details Control Details Ice sensors photo eyes Located at bottom of ice drop zone One side is an emitter the other a detector Creates a light curtain that can sense groups of cubes falling during harvest ...

Page 52: ...frigerant all evaporators At a pre determined water temperature the pump stops for 30 seconds As ice forms on the evaporators the water level drops About half way through the cycle the water reservoir re fills The next time the water level drops to the point where the top of the slot in the float stick blocks the eyes the system goes into the harvest cycle ...

Page 53: ...eiver is with the condensing unit Vapor line connects discharge gas and receiver vapor to vapor inlet line in ice making section High vapor flow rates achieved with no compressor impact due to use of CPR valve Vapor contains latent heat even at sub zero temperatures Condensing vapor in the evaporators transfers the heat Evaporators warm up and ice is released ...

Page 54: ...ve opens Receiver inlet valve closes Purge valve opens Pump stops for a time then restarts to purge the reservoir of water Purge valve closes after 40 seconds Inlet water valve opens for a few seconds to add water to the reservoir for harvest assist Harvest continues until the controller stops it ...

Page 55: ...nal from the ice sensor emitter to the receiver The time of that interrupt is recorded by the controller The last time the controller receives an interrupt signal is saved as the cube release time Extra time is calculated from the actual cube release time Measured Cube Release Time Calculated Extra Time Harvest Time ...

Page 56: ...Operation Operation Freeze Cycle Time 90 70 1300 16 to 17 minutes 1600 17 to 18 minutes 2000 12 to 13 minutes Harvest Cycle Time 90 70 1300 2 minutes 1600 1 1 2 to 2 minutes 2000 2 1 2 minutes ...

Page 57: ...Condensing Unit Condensing Unit CPR Liquid Inlet Valve N O Headmaster Condenser Bypass Valve Rec Compressor ...

Page 58: ...Ice Making Section Ice Making Section Suction Vapor Liquid TXV Evaporators Vapor Inlet Valve Distributor Tubes Distributor ...

Page 59: ...eeze Cycle Rapid Pull Down to between 50 and 40 PSIG Gradual Pull Down to 1300 30 to 34 PSIG 1600 35 to 37 PSIG 2000 23 to 25 PSIG just before Harvest Pressures at CP unit or CME will be the same during Freeze 2000 lb model end of freeze ...

Page 60: ...Harvest Cycle At the ice making section low side pressure rapidly increases to 90 95 PSIG or higher in hot ambient conditions At the CP unit compressor access valve dome pressure is limited by the CPR valve to 55 60 PSIG during harvest ...

Page 61: ...System Pressures System Pressures CP Unit Discharge during low ambient freeze will be about 240 PSIG Discharge during harvest will be about 100 PSIG High Pressure Cut Out opens at 450 closes at 350 PSIG ...

Page 62: ...with Scotsman Ice Machine Cleaner Push release clean button Pour in 24 ounces of ice machine cleaner Clean for 10 minutes then push and release clean button again wait 20 minutes and shut unit off Check distributors for scale build up ...

Page 63: ...gnosis Service Diagnosis What happens if Vapor Inlet Valve Does Not Open Vapor line hot Discharge pressure increases Low side pressure does not change No ice release large slabs of ice 2 blink refrigeration light ...

Page 64: ...Service Diagnosis Service Diagnosis What happens if Control wire becomes unplugged CP unit does not operate Exceeds maximum freeze time Controller shows continuous refrigeration diagnostic light ...

Page 65: ...sis Service Diagnosis What happens if Condenser by pass valve does not open High pressure cut out opens Note High discharge pressure during harvest will not be present at liquid connection Ice may release but slowly ...

Page 66: ...agnosis Service Diagnosis What happens if Receiver inlet valve does not close during harvest Very little change If it sticks closed Hi discharge pressure cut out opens Controller shows continuous diagnostic light ...

Page 67: ...Service Diagnosis Service Diagnosis What happens if Headmaster is stuck in bypass Very little liquid flow to TXVs Long freeze cycle Controller shows continuous refrigeration diagnostic light ...

Page 68: ... drops below the operational threshold for the ambient Headmaster will try to maintain minimum discharge pressure but will be hissing as gas flows through Ice formation will be poor Low capacity long freeze cycle will result Add charge to confirm if ice making resumes with normal discharge pressure there is a leak ...

Page 69: ...nosis Service Diagnosis What happens if There is no water to the ice making section Water is part of the recipe for ice Controller will stop unit operation but retry filling every 20 minutes until water is restored ...

Page 70: ...Service Diagnosis Service Diagnosis What happens if The purge valve leaks through May result in small cubes Short freeze cycle May have long harvest cycle ...

Page 71: ...Service Diagnosis Service Diagnosis What happens if The inlet water valve leaks through Keeps adding water heat load to reservoir Result is a long freeze cycle ...

Page 72: ...ce Diagnosis What happens if The condenser fan stops CP unit s hi pressure cut out will open Maximum freeze time will be exceeded CME unit will shut system off Controller will display continuous refrigeration diagnostic light ...

Page 73: ...ice Diagnosis What happens if The CPR valve fails Pressure during harvest will not be at the pre set point 55 to 60 PSIG Will not hold an adjustment No external symptom CPR setting should be checked if compressor is replaced ...

Page 74: ... The controller is showing a one blink refrigeration diagnostic light This indicates that the ice harvest was very slow and the controller timed out on maximum harvest time Ice was sensed by the control system Likely causes include Beginning to freeze up ...

Page 75: ... a two blink refrigeration diagnostic light This indicates that the ice harvest was very slow and the controller timed out on maximum harvest time Ice was NOT sensed by the control system Likely causes include Freeze up Vapor inlet valve did not open Ice sensor can t see ice well ...

Page 76: ...Service Diagnosis Service Diagnosis What happened if The controller is showing a continuous refrigeration diagnostic light Maximum freeze time exceeded Dirty condenser coil Fan motor inoperative ...

Page 77: ...e Diagnosis What happened if The controller is showing a two blink water diagnostic light Slow or no water fill Possible clogged water filters Low water level leaks out Water level sensor not working or harness connection poor ...

Page 78: ...howing both diagnostic lights on continuously This indicates that the temperature sensors are not working or not plugged in They need to be plugged back in or replaced The ice machine will operate without the thermistors working but it is limited in its diagnostics that way ...

Page 79: ...Summary Summary Eclipse is a three part ice making system Ice making head Compressor Package Condenser There are 6 systems 600 800 1000 1300 1600 2000 ...

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