Scotsman Eclipse CME686 Скачать руководство пользователя | Manualshive

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System Installation

System Installation

•

600 -

– CME686, CP686, ERC680

•

800 -

– CME810, CP886, ERC680

•

1000 -

– CME810, CP1086, ERC1086

•

CP units may also be connected to approved
central condenser coil using tubing kit RTE10

– Coil must NOT have headmaster

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Содержание Eclipse CME686

Страница 1: ... CME686 CME810 CP686 CP886 CP1086 Eclipse Technical Training Eclipse Technical Training ...

Страница 2: ...In This Presentation In This Presentation What Eclipse is Components and their functions Installation Operation Maintenance Service Diagnosis ...

Страница 3: ...s made up of three parts Ice Making Section or Head Unit 115 volt Compressor Package 208 230 volt Condenser 208 230 volt Flexible Modular System One condenser fits two compressor packages One ice making head fits two compressor packages All are R 404A systems ...

Страница 4: ...g Section Ice Making Section CME686 or CME810 Remote Low Side 22 wide by 16 5 deep Three evaporators Three TXVs Three check valves CM3 technology Water and Control Systems Rotomolded freezing compartment 16 5 22 ...

Страница 5: ...Ice Making Section Ice Making Section Refrigerant Line Connections Vapor Liquid Suction All on right side Designed for Drive Up Window Applications Vapor Liquid Suction ...

Страница 6: ...Ice Making Section Ice Making Section Ice making compartment Three evaporators Circuited in parallel No braze joints in freezing compartment Access from the left side or top ...

Страница 7: ...Vapor Inlet Valve Vapor Inlet Valve Purpose Opens during harvest to allow vapor to enter the evaporators 24 volt coil Different port size between CME686 and CME810 ...

Страница 8: ...Three Three TXVs TXVs Three internally equalized valves Purpose Control individual evaporator superheats One valve per plate Promotes even plate to plate ice distribution ...

Страница 9: ...hree Check Valves Three Check Valves Check valves keep each TXV s refrigeration flow directed to a single evaporator Eliminates cross flow during freeze cycle Each TXV outlet must flow to one evaporator ...

Страница 10: ...Water Pump Water Pump 115 volt pump Same for both CME686 and CME810 Pedestal type Pump motor separated from reservoir Keeps motor drier Motor cap keeps condensation off motor ...

Страница 11: ...Controller Controller AutoIQplus Uses sensors for ice harvest bin full indications water reservoir temperature water level Controls freeze and harvest cycles ...

Страница 12: ...lectrical 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 Control Wire Connection ...

Страница 13: ...Inspection Cover Inspection Cover Provides access when left and right side access is limited Access to cascading shield water trough ice sensors Also covers cascading shield fastener ...

Страница 14: ...Cascading Shield Cascading Shield Removal begins with removal of the inspection cover Then remove the one retaining screw Cascading Shield ...

Страница 15: ...Cascading Shield Cascading Shield ...

Страница 16: ...Evaporator Covers Evaporator Covers ...

Страница 17: ...Freezing Compartment Freezing Compartment Water Trough Cascading Shield ...

Страница 18: ...Temperature Sensors Temperature Sensors Water Temp Sensor Liquid Line ...

Страница 19: ...r Valve Located in right front corner of unit 1 25 GPM valve Same one as on CME256 CME506 and many others Opens to add water and fill reservoir Adds water during harvest Fills at beginning of freeze Refills once more during freeze ...

Страница 20: ...Purge Valve Purge Valve Located in the front of the unit 115 volt coil Opens to drain the reservoir during harvest Controlled by purge valve timer ...

Страница 21: ...Ice Sensors Ice Sensors Sensing position 3 below base Control position designed for dispenser applications Also works well on bins Maximizes fill without overfilling 3 ...

Страница 22: ...Compressor Package Compressor Package Three models CP686 CP886 CP1086 ...

Страница 23: ...CP Unit CP Unit CPR Valve Low Side Access Valve Condenser Bypass Valve Headmaster Receiver High Pressure Cut Out Auto Reset ...

Страница 24: ... Regulato Crankcase Pressure Regulator CPR valve restricts compressor dome pressure during harvest 55 to 60 PSIG Pre set don t adjust it Low Side Access valve has evaporator pressure during freeze but not during harvest ...

Страница 25: ...Condenser Bypass Valve Condenser Bypass Valve Normally Closed opens during harvest Bypasses condenser coil and directs discharge gas to vapor line Ported valve same one as CME2006 ...

Страница 26: ...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 230 during cold ambient operation ...

Страница 27: ...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 28: ...Receiver Receiver Shipped with system charge Three ports Liquid inlet Liquid outlet Vapor outlet Liquid Inlet Vapor Out Liqui d Out ...

Страница 29: ... 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 Toggle Switch Control Wire Connection ...

Страница 30: ...80 used with CP686 and CP886 ERC1086 only used with CP1086 and a two circuit model ERC6810 can be used with any CP unit 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 31: ...System Installation System Installation Three systems single and three phase for each 600 800 1000 Must match components to create system ...

Страница 32: ...ion System Installation 600 CME686 CP686 ERC680 800 CME810 CP886 ERC680 1000 CME810 CP1086 ERC1086 CP units may also be connected to approved central condenser coil using tubing kit RTE10 Coil must NOT have headmaster ...

Страница 33: ...w 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 Must have bin or dispenser adapter for the CME ...

Страница 34: ...Other Configurations Other Configurations Two Circuit Condenser ER2C6810 use with 600 800 1000 or a mix of any two Approved Central Condenser ...

Страница 35: ...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 36: ...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 37: ...ine Set Three tubes Reversible CME routing determines which end goes to CME Out the top use double bend ends at CME Out the back use single 90 degree ends at CME Ends for out the CME top Ends for out the CME back ...

Страница 38: ... 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 39: ...ines Wires and CP Units Example Mark one unit A Mark line set A and control wire A Unit A s pre charged lines route to Unit A Unit A s control wire connects to Unit A Confirm before connecting Start one unit at a time to confirm proper operation and control wire routing ...

Страница 40: ...tall CME Flush against wall capability Drains left right or back Water inlet and power inlet from the top or back Refrigerant line connections back or top 115 volt unit cord provided Water Inlet Fitting Drain Fitting ...

Страница 41: ...Flush Installations Attach water inlet Attach drain 3 4 Unit ships with left drain hose installed Right drain hose in plastic bag No vent required vent is internal Secure drain with tape for ease of mounting Internal Vent ...

Страница 42: ...ce on Adapter Place on Adapter 15 Space for Drain at Back Many different adapters Use gasket tape at mounting area Sealing area 22 wide x 15 deep Remove all panels Place unit Connect control wire Top View ...

Страница 43: ...Connect Pre Connect Pre Charged Lines Charged Lines Add foam tape cork tape to suction line nut Secure unit at sides or back with provided strap clips ...

Страница 44: ...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 45: ...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 46: ...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 47: ...oir water fill Freeze cycle termination Ice sensors to sense Ice harvest Bin full 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 ice sensor signal blockage to determine bin full ...

Страница 48: ...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 49: ...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 50: ...frigerant to its own evaporator 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 51: ...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 52: ...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 53: ...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 54: ...es 800 between 14 and 22 minutes 600 between 16 and 25 minutes 600 s cycle is longer in very high ambient Harvest Cycle Time 1000 between 1 and 3 minutes 800 between 1 and 3 minutes 600 between 2 and 3 minutes Extreme low temperatures harvest lengthens up to 6 minutes ...

Страница 55: ...Refrigeration Schematic Refrigeration Schematic Condenser Compressor Package Ice Making Section ...

Страница 56: ...Condensing Unit Condensing Unit CPR Liquid Inlet Valve N O Headmaster Condenser Bypass Valve Rec Compressor ...

Страница 57: ...Ice Making Section Ice Making Section Suction Vapor Liquid Check Valves TXVs Evaporato rs Vapor Inlet Valve ...

Страница 58: ...System Pressures System Pressures Freeze Cycle Rapid Pull Down to between 80 and 60 PSIG Gradual Pull Down to 28 30 PSIG just before Harvest Pressures at CP unit or CME will be the same during Freeze ...

Страница 59: ... System Pressures Harvest Cycle At the ice making section low side pressure rapidly increases to 90 120 PSIG At the CP unit compressor access valve dome pressure is limited by the CPR valve to 55 60 PSIG during harvest ...

Страница 60: ...es CP Unit Discharge during low ambient freeze will be about 225 PSIG Headmaster rated for 217 there is some variation unit to unit Discharge during harvest will be about 100 PSIG High Pressure Cut Out opens at 450 closes at 350 PSIG ...

Страница 61: ...n Ice Machine Cleaner Push release clean button Pour in 24 ounces of IM cleaner through handy fill plug in sump cover Clean for 10 minutes then push and release clean button wait 20 minutes and shut unit off Check distributors for scale build up ...

Страница 62: ...Maintenance Maintenance Top Cover Lifts Up Notch in Wall for Front Access ...

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: ...n the condensing unit do not work Very very unlikely but The discharge pressure during harvest will be about 150 PSIG The low side pressure during harvest will be less than 90 PSIG The ice will harvest slowly The refrigerant flowing out of the receiver will make a whistling noise ...

Страница 74: ...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 75: ... 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 76: ... 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 77: ...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 78: ...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 79: ...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 80: ...ipse is a three part ice making system There are two ice making heads Using CM3 Technology There are three compressor packages There are two single circuit condensers There is one two circuit condenser R 404A refrigerant ...

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