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Ice Making Section

•

30” Wide Head Units

•

CME1386 or
CME1686 or
CME2086

– Remote Low Side

– CM

technology

•

Water and Control
Systems

•

Rotomolded freezing
compartment

Содержание Eclipse 1300

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

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

Страница 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 ...

Страница 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 ...

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

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

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

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

Страница 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 ...

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

Страница 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 ...

Страница 12: ...Evaporator Covers Evaporator Covers ...

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

Страница 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 ...

Страница 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 ...

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

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

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

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

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

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

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

Страница 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 ...

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

Страница 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 ...

Страница 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 ...

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

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

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

Страница 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 ...

Страница 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 ...

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

Страница 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 ...

Страница 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 ...

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

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

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

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

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

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

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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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