Scotsman AC-EC 107 Скачать руководство пользователя страница 1 | Manualshive

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Scotsman Ice Srl
Via Lainate, 31 - 20010 Pogliano M.se - Milano - Italy
Tel. +39-02-93960.1 (Aut. Sel.)- T39-02-93550500
Direct Line to Service & Parts:
Phone +39-02-93960350 - Fax +39-02-93540449
Website: www.scotsman-ice.it
E-Mail: [email protected]

ISO 9001 - Cert. n. 0080

AC-EC 47
AC-EC 57
AC-EC 87

AC-EC 107
AC-EC 127
AC-EC 177

R 290 version

Electronic cubers with storage

PC Board version

REV. 10/2018

SERVICE MANUAL

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Содержание AC-EC 107

Страница 1: ... 39 02 93550500 Direct Line to Service Parts Phone 39 02 93960350 Fax 39 02 93540449 Website www scotsman ice it E Mail scotsman europe scotsman it ISO 9001 Cert n 0080 AC EC 47 AC EC 57 AC EC 87 AC EC 107 AC EC 127 AC EC 177 R 290 version Electronic cubers with storage PC Board version REV 10 2018 SERVICE MANUAL ...

Страница 2: ...onnections Water supply and drain connections Final check list Installation practice OPERATING INSTRUCTIONS Start up Operational checks OPERATING PRINCIPLES How it works Freezing cycle Harvest cycle Electrical sequence Components description ADJUSTMENT REMOVAL AND REPLACEMENT PROCEDURES Adjustment of the cube size Wiring diagram AC EC 47 57 87 107 177 Service diagnosis MAINTENANCE AND CLEANING INS...

Страница 3: ...gher than 32 C The daily ice making capacity is directly related to the condenser air inlet temperature water temperature conditions of the condenser air filter and age of the machine To keep your SCOTSMAN CUBER at peak performance levels periodic maintenance checks must be carried out as indicated on Maintenance and Cleaning section of this manual MAX 40 C 35 C 5 bar 10 ice making capacity 25 24 ...

Страница 4: ... power cons Amps Kwh per 24 Hr Model Cond unit Finish Comp HP SPECIFICATIONS Basic electr Amps Watts Nr of wires Amps fuse 230 50 1 2 1 12 400 3 x 1 5 mm2 10 8 NYA AC 47 CUBER machine specifications Cubes per harvest 18 medium At 32 21 C amb water 96 NYA Bin Water req Capacity lt 24 HR ...

Страница 5: ...el Cond unit Finish Comp HP SPECIFICATIONS Basic electr Amps Watts Nr of wires Amps fuse 230 50 1 2 1 12 400 3 x 1 5 mm2 10 8 NYA Cubes per harvest 18 medium At 32 21 C amb water 96 NYA Bin Water req Capacity lt 24 HR EC 47 AS 6 Air EC 47 WS 6 Water EC 47 CUBER machine specifications 643 ...

Страница 6: ...n in the graf up to a maximum of 10 at room temperatures higher than 32 C The daily ice making capacity is directly related to the condenser air inlet temperature water temperature conditions of the condenser air filter and age of the machine To keep your SCOTSMAN CUBER at peak performance levels periodic maintenance checks must be carried out as indicated on Maintenance and Cleaning section of th...

Страница 7: ... power cons Amps Kwh per 24 Hr Model Cond unit Finish Comp HP SPECIFICATIONS Basic electr Amps Watts Nr of wires Amps fuse 230 50 1 2 1 12 400 3 x 1 5 mm2 10 0 96 NYA AC 57 CUBER machine specifications Cubes per harvest 24 medium At 32 21 C amb water 7 6 NYA Bin Water req Capacity lt 24 HR ...

Страница 8: ...odel Cond unit Finish Comp HP SPECIFICATIONS Basic electr Amps Watts Nr of wires Amps fuse 230 50 1 2 1 12 400 3 x 1 5 mm2 10 0 96 NYA EC 57 CUBER machine specifications Cubes per harvest 24 medium At 32 21 C amb water 7 6 NYA Bin Water req Capacity lt 24 HR EC 57 AS 6 Air EC 57 WS 6 Water ...

Страница 9: ...own in the graf up to a maximum of 10 at room temperatures higher than 32 C The daily ice making capacity is directly related to the condenser air inlet temperature water temperature conditions of the condenser air filter and age of the machine To keep your SCOTSMAN CUBER at peak performance levels periodic maintenance checks must be carried out as indicated on Maintenance and Cleaning section of ...

Страница 10: ...power cons Amps Kwh per 24 Hr Model Cond unit Finish Comp HP SPECIFICATIONS Basic electr Amps Watts Nr of wires Amps fuse 230 50 1 3 2 20 570 3 x 1 5 mm2 10 0143 NYA AC 87 CUBER machine specifications Cubes per harvest 24 medium At 32 21 C amb water 10 8 NYA Bin Water req Capacity lt 24 HR ...

Страница 11: ...power cons Amps Kwh per 24 Hr Model Cond unit Finish Comp HP SPECIFICATIONS Basic electr Amps Watts Nr of wires Amps fuse 230 50 1 3 2 20 570 3 x 1 5 mm2 10 0143 NYA EC 87 CUBER machine specifications Cubes per harvest 24 medium At 32 21 C amb water 10 8 NYA Bin Water req Capacity lt 24 HR ...

Страница 12: ...vels shown in the graf up to a maximum of 10 at room temperatures higher than 32 C The daily ice making capacity is directly related to the condenser air inlet temperature water temperature conditions of the condenser air filter and age of the machine To keep your SCOTSMAN CUBER at peak performance levels periodic maintenance checks must be carried out as indicated on Maintenance and Cleaning sect...

Страница 13: ...cons Amps Kwh per 24 Hr Model Cond unit Finish Comp HP SPECIFICATIONS Basic electr Amps Watts Nr of wires Amps fuse 230 50 1 3 2 20 580 3 x 1 5 mm2 10 0125 NYA AC 107 CUBER R290 version machine specifications Cubes per harvest 32 medium At 32 21 C amb water 10 7 NYA Bin Water req Capacity lt 24 HR ...

Страница 14: ... unit Finish Comp HP SPECIFICATIONS Basic electr Amps Watts Nr of wires Amps fuse 230 50 1 3 2 20 580 3 x 1 5 mm2 10 0125 NYA EC 107 CUBER R290 version machine specifications Cubes per harvest 32 medium At 32 21 C amb water 10 7 NYA Bin Water req Capacity lt 24 HR EC 107 AS 6 Air EC 107 WS 6 Water ...

Страница 15: ...vels shown in the graf up to a maximum of 10 at room temperatures higher than 32 C The daily ice making capacity is directly related to the condenser air inlet temperature water temperature conditions of the condenser air filter and age of the machine To keep your SCOTSMAN CUBER at peak performance levels periodic maintenance checks must be carried out as indicated on Maintenance and Cleaning sect...

Страница 16: ...h Comp HP SPECIFICATIONS Basic electr Amps Watts Nr of wires Amps fuse 230 50 1 4 5 20 5 670 3 x 1 5 mm2 10 177 AC EC 127 CUBER machine specifications Cubes per harvest 56 medium At 21 C water temperature Dimensions HEIGHT without legs 920 mm HEIGHT with legs 1009 mm WIDTH 680 mm DEPTH 600 mm WEIGHT 70 Kgs 12 9 0 Bin Water req Capacity lt 24 HR 920 ...

Страница 17: ...up to a maximum of 10 at room temperatures higher than 32 C The daily ice making capacity is directly related to the condenser air inlet temperature water temperature conditions of the condenser air filter and age of the machine To keep your SCOTSMAN CUBER at peak performance levels periodic maintenance checks must be carried out as indicated on Maintenance and Cleaning section of this manual 97 9...

Страница 18: ...nish Comp HP SPECIFICATIONS Basic electr Amps Watts Nr of wires Amps fuse 230 50 1 4 22 1000 3 x 1 5 mm2 16 150 AC EC 177 CUBER machine specifications Cubes per harvest 56 medium At 21 C water temperature Dimensions HEIGHT without legs 990 mm HEIGHT with legs 1079 mm WIDTH 680 mm DEPTH 600 mm WEIGHT 70 Kgs 17 4 0 Bin Water req Capacity lt 24 HR ...

Страница 19: ...ulations A INTRODUCTION This manual provides the specifications and the step by stepproceduresfortheinstallation start up and operation maintenance and cleaning for the SCOTSMAN AC EC series icemakers These Cubers are quality designed engineered and manufactured Their ice making systems are thoroughly tested providing the utmost in flexibility to fit the needs of a particular user These icemakers ...

Страница 20: ...fitting and a shut off valve installed in an accessible position between the water supply line and the unit WATER DRAIN The recommended drain tube is a plastic or flexible tube with 18 mm 3 4 I D which runs to an open trapped and vented drain WATER DRAIN WATER COOLED MODELS Connect the 3 4 male fitting of the condenser water drain utilizing a second flexible hose to the open trapped and vented dra...

Страница 21: ... 50 F or above 40 C 100 F This icemaker will malfunction with water temperatures below 5 C 40 F or above 35 C 90 F 1 2 3 4 5 6 7 8 9 10 Has the owner user been given the User Manual and been instructed on the importance of periodic maintenance checks 11 Has the Manufacturer s registration card been filled in properly Check for correct model and serial number against the serial plate and mail the r...

Страница 22: ... incoming surplus of water flows out through the overflow pipe into the drain line During the water filling phase the components energized are THE WATER INLET SOLENOID VALVE THE HOT GAS SOLENOID VALVE THEWATERDRAINSOLENOIDVALVE ONLY AC EC 127 177 NOTE If in the 5 minutes lenght of the water filling phase the machine sump reservoir does not get filled with water up to the rim of the overflow pipe i...

Страница 23: ...lling phase in order to provide enough water into the sump tank C At completion of the water filling phase 5 minutes the unit passes automatically into the freezing cycle with the start up of COMPRESSOR WATER PUMP FANMOTOR inaircooledversion controlledby thecondensingtemperaturesensorlocatedwithin the condenser fins Fig 2 OPERATIONAL CHECKS D Install if required the refrigerant service gauges on b...

Страница 24: ...T GAS VALVE COMPRESSOR FAN MOTOR WATER PUMP EVAPORATOR CONDENSER TEMPERATURE SENSORS BIN TRANSF DATA PROCESSOR ELECTR TIMER DIP SWITCH ELECTRONIC CARD L N RELAYS RELAY TRIAC WATER DRAIN VALVE 6 1 5 1 3 1 2 1 7 8 9 0 1 3 4 5 6 1 1 2 1 x T x R E V L A V N I R E T A W E V L A V S A G T O H R O S S E R P M O C R O T O M N A F P M U P R E T A W R O T A R O P A V E R E S N E D N O C TEMPERATURE SENSORS ...

Страница 25: ...ing G After about 17 20 minutes from the begin ning of the freezing cycle in an hypothetic ambient temperature of 21 C the defrost cycle takes place with the hot gas the water inlet and the water drain valves simoultaneously activated Fig 5 Theelectricalcomponentsinoperationonmodels are COMPRESSOR WATER INLET VALVE HOT GAS VALVE WATER DRAIN VALVE only AC EC 127 177 WATER PUMP on the first 15 secon...

Страница 26: ...eriodical cleaning of the light sensor elements as detailed in the MAINTENANCE AND CLEANING PRO CEDURES This ice maker is equipped by an I R self calibration PC Board every time ice maker is turned OFF and ON by the main switch FIG 5 16 15 13 2 1 7 8 9 10 3 4 5 6 11 12 Rx Tx WATER IN VALVE HOT GAS VALVE COMPRESSOR FAN MOTOR WATER PUMP EVAPORATOR CONDENSER TEMPERATURE SENSORS BIN TRANSF DATA PROCES...

Страница 27: ...FIG 6a 16 15 13 2 1 7 8 9 10 3 4 5 6 11 12 Rx Tx WATER IN VALVE HOT GAS VALVE COMPRESSOR FAN MOTOR WATER PUMP EVAPORATOR CONDENSER TEMPERATURE SENSORS BIN TRANSF DATA PROCESSOR ELECTR TIMER DIP SWITCH ELECTRONIC CARD L N RELAYS RELAY TRIAC WATER DRAIN VALVE K Remove if fitted the refrigerant service gauges and re fit the unit service panels previously removed L Instruct the owner user on the gener...

Страница 28: ... contact with the evaporator serpentine that determines the length of its first portion of the cycle When the temperature of the evaporator serpentine drops to a pre set value small Red LED ON steady the evaporator sensor probe changes its electrical resistance allowing a low voltage current 15 volts to flow to the P C BOARD which in turn activates an electronic timer The timer which is built in t...

Страница 29: ...Page 29 Page 29 FIG B FIG A FIG D FIG C ...

Страница 30: ...oseandthe machine starts again a new freezing cycle InTableBareindicatedthevariouslengthsofthe timed portion of freezing cycle in relation to the differentcombinationsoftheDIPSWITCHKEYS In Table A are illustrated the DIP SWITCH keys combinationsforthedifferentmodelsandversions astheyaresetinthefactory Theelectricalcomponents in operation during the freezing cycle are COMPRESSOR FAN MOTOR in air co...

Страница 31: ...f the freezing cycle As it reaches a predeter minedtemperatureitsuppliesalowvoltagecurrent to the P C BOARD in order to activate the electronic timer which takes over the control of the freezing cycle for a pre fixed time according to the DIP SWITCH keys setting see Tab B NOTE The evaporator temperature sensor factory pre set is the same for all the models and is not adjustable in the field Once c...

Страница 32: ...lectrical contact through the water transmitting a low voltage current to the PC Board The PC Board activates the Water Drain Pump for 8 seconds pumping out most of the water contained into the Sealed Water Reservoir PWD SYSTEM EC version only The water can be pumped out up to 1 5 m rise or to 30 m on horizontal length POWER WATER INLET WATER DRAIN HAND DISCONNECT SWITCH WATER FILTER WATER VALVE P...

Страница 33: ... 33 Page 33 SCHEMATIC SYSTEM Storage bin Overflow drain tube Storage bin drain tube Water tank inlet fitting Sealed water tank Water pump Check valve Vented tube Water level sensors Drain out Drain fitting ...

Страница 34: ... its tempera ture In case the condenser temperature rises and reaches 70 C 160 F on air cooled models or 60 C 140 F on water cooled models the current arriving to the micro processor is such to causeanimmediateandtotalstopofthemachine operation C ICE LEVEL THERMAL PROBE It operayes in detecting both the low tempera ture of the ice and the mass near the bin sensing bulb D ICE BIN LEVEL LIGHT CONTRO...

Страница 35: ... sump up to the maximum level In case of malfunction of the Optical Ice Level Control thenewPCBoardswitchONalternativelt the Yellow and Red Led continuously On the PC Board there are four jumpers to select 0 or 12 months remind time for the water system cleaning Operation of the Purge Out Water Pump Jump IN on EC series no delay or 60 minutes delay time at first start up TEST In case the TEST cont...

Страница 36: ...P TOO HI COND TEMP PUSH BUTTON PUSH BUTTON LED STATUS REASON WHY ON STEADY UNIT UNDER POWER ON STEADY FREEZING CYCLE BLINKING 60 MINUTES DELAY AT START UP JUMPER J3 OUT ON STEADY TOO HI DISCHARGE PRESSURE TEMP BLINKING TOO HI EVAP TEMP 0C AFTER 15 FROM START UP ON STEADY UNIT OFF AT BIN FULL BLINKING SLOW I R BEAM CUTTED I R ON AFTER TRIP OFF AT BIN FULL BLINKING FAST ON STEADY I R CALIBRATION DON...

Страница 37: ...t of the air cooled condenser can beremovedbywithdrawingitthroughtheopening of the front panel for cleaning or replacing A lower plastic guide installed inside the unit is used for the correct sliding and location of the air filter L WATER SPRAY SYSTEM Throughitsnozzles thewaterpumped issprayed in each individual cup to be frozen into ice It consists of one spray tube wheve are located several spr...

Страница 38: ...stem and it is used to circulate and retrieve the refrigerant throughout the entire system It compresses the low pressure refrigerant vapor causing its temperature to rise and become high pressure hot vapor which is then released through the discharge valve S HI PRESSURE CONTROL AC EC 47 57 87 107 only Usedonlyonthewatercooledversionsitoperates to keep between 9 5 and 10 5 bars 135 150 psig the hi...

Страница 39: ...heckthecorrisponding length of freezing cycle 2nd phase on Table B 3 Set the same DIP SWITCH KEYS to correspond to the prior combination shown on Table B which allow an extention of two more minutes of the length of the freezing cycle 4 Observe the ice cubes in the next two harvests and eventually repeat steps 2 and 3 above until proper ice cubes size is achieved See figure II Ifthecubesareoversiz...

Страница 40: ...Page 40 Page 40 WIRING DIAGRAM AC EC 47 57 87 107 177 AIR AND WATER COOLED 230 50 60 1 The unit is shown on freezing cycle ...

Страница 41: ...Page 41 Page 41 ...

Страница 42: ...t of refrigerant Compressor cycles intermittently Freezing LED Red alarm LED glows Condenser sensor out of order Replace it and Red alarm Light blinks twice and repeat Freezing LED Red alarm LED blinks Evaporator sensor out of order Replace it Compressor cycles intermittently Low voltage Check circuit for overloading Check voltage at the supply to the building If low contact the power company Non ...

Страница 43: ...e system Poor air circulation or excessive Relocate the unit or provide for hot location Red alarm LED glows more ventilation Overcharge of refrigerant Correct the charge Purge off slowly Capillary tube partially restricted Blow charge add new gas drier after evacuating system with vacuum pump Hot gas solenoid valve leaking Replace valve Short of refrigerant Charge to data plate indication Dischar...

Страница 44: ...en winding Replace valve Water solenoid valve not opening Valve coil with open winding Replace valve Incorrect discharge pressure Inoperative condenser sensor Replace sensor Inoperative P C Board Replace P C Board Water regulating valve misadjusted Adjust its setting stem Excessive water in unit base Water tubing leaking Check Tighten or replace SERVICE DIAGNOSIS ...

Страница 45: ...trainer is damaged replace it with a new one 4 Install it again by pushing it through the front panel opening A ICEMAKER The following maintenance should be scheduled at least two times per year on these icemakers 1 Check and clean the water line strainer 2 Check that the icemaker is levelled in side to side and in front to rear directions 3 Check for water leaks and tighten drain line connections...

Страница 46: ...tuptheentiresprayplatenfromitsbottom seat and take it out to clean it separately 7 Using a bottle poor fresh water into the bottom of the sump freezing chamber to clean out most of scale deposit 8 Install again the spray platen the curtain as well as the bottom plastic cup Cleaning 9 Prepare the cleaning solution by diluting in a plastic container two liters of warm water 45 50 C with 0 2 liters o...

Страница 47: ...tch OFF the ice maker at master button switch then flush out the cleaning solution from the sump reservoir by taking off the sump plastic cup Once flushed out install again the sump plastic cup 14 Pour onto the evaporator cavity two or three liters of clean potable water to rinse the mold cups and the platen 15 Switch ON again the machine The water pump is again in operation to circulate the water...

Страница 48: ... shorting the operation of the water pump to 10 minutes 3 Place again the evaporator cover and the unit service panels 4 At completion of the freezing and harvest cycle make sure of proper texture and clearness of the ice cubes and that they do not have any acid taste ATTENTION In case the ice cubes are cloudy white and have an acid taste melt them immediately by pouring on them some warm water Th...

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