Related Manuals for Scotsman MC 15
Summary of Contents for Scotsman MC 15
- Page 1 Page 1 Page 1 SERVICE MANUAL MC 15 MC 45 R 404 A VERSION Electronic modular cubers MS 1000.10 REV. 06/2003...
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Page 2: Table Of Contents
Page 2 Page 2 TABLE OF Table of contents CONTENTS Specifications MC 15 Specifications MC 45 GENERAL INFORMATION AND INSTALLATION Introduction Unpacking and Inspection - Ice maker Unpacking and Inspection - Storage bin Location and levelling Stacking installation Stacking installation - Mixed units... -
Page 3: Specifications Mc
NOTE. The daily ice-making capacity is directly related to the condenser air inlet temperature, water temperature and age of the machine. To keep your SCOTSMAN MODULAR CUBER at peak performance levels, periodic maintenance checks must be carried out as indicated on page 37 of this manual. - Page 4 DIMENSIONS: HEIGHT 499 mm. WIDTH 1073 mm. DEPTH 534 mm. WEIGHT 117 Kgs. MC 15 - MACHINE SPECIFICATIONS Model Cond. unit Finish Comp. HP Water req. - lt/24 HR MC 15 AS 6B Stainless steel MC 15 WS 6B Water...
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Page 5: Specifications
NOTE. The daily ice-making capacity is directly related to the condenser air inlet temperature, water temperature and age of the machine. To keep your SCOTSMAN MODULAR CUBER at peak performance levels, periodic maintenance checks must be carried out as indicated on page 37 of this manual. - Page 6 Page 6 Page 6 SPECIFICATIONS ACCESSORIES KSC 11: Cube stacking kit DIMENSIONS: HEIGHT 860 mm. WIDTH 1073 mm. DEPTH 554 mm. WEIGHT 185 Kgs. MC 45 - MACHINE SPECIFICATIONS Model Cond. unit Finish Comp. HP Water req. - lt/24 HR MC 45 AS 6B Stainless steel MC 45 WS 6B...
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Page 7: General Information And Installation
User Manual and fill- in all parts including: Model and Serial Number taken from the data plate. Forward the completed self-addressed UNPACKING AND INSPECTION registration card to Frimont/Scotsman Europe factory. Modular Cuber Call your authorized SCOTSMAN Distributor or Dealer for proper installation. -
Page 8: Location And Levelling
SCOTSMAN Manufacturer’s Limited Warranty resulting 10. Install the plastic ice cube deflector by in LOSS of warranty coverage. - Page 9 Page 9 Page 9 Put the Electronic Modular cuber on top of then to pass through the round hole provided into the Electromechanical unit securing them by the base of the Electronic Modular Cuber (Upper means of the bolts and nuts found in the hardware unit).
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Page 10: Stacking Installation - Electronic Units
Page 10 Page 10 Electronic units installation Disconnect the ice level control terminal plug from the P.C. Board of the upper Electronic Unloose the four screws and remove the Modular Cuber (now colled secondary). top panel. Secure the interface P.C. Board to the Remove the two plastic plugs from the contactor metal bracket of the lower unit (now upper edges of the two side frames of the bottom... -
Page 11: Electrical Connections
Water supply - Water cooled models the upper edge of the front panel of the lower unit in order to fill the air gap between the two The water cooled versions of SCOTSMAN Ice machines. Makers require two separate inlet water supplies, one for the water sprayed for making the ice 13. -
Page 12: Installation Practice
12. Has the owner been given the name and Check all refrigerant lines and conduit lines the phone number of the authorized SCOTSMAN to guard against vibrations and possible failure. Service Agency serving him? G. -
Page 13: Operating Instructions
Page 13 Page 13 OPERATING INSTRUCTIONS During the water filling phase the components START UP energized are: After having correctly installed the ice maker and THE WATER INLET SOLENOID VALVE completed the plumbing and electrical connections, perform the following “Start-up” pro- THE HOT GAS SOLENOID VALVE cedure. -
Page 14: Operatiobnal Checks
Page 14 Page 14 freezing cycle with the start up of: In case of condenser clogging such to prevent the proper flow of the cooling air or, in case COMPRESSOR the fan motor is out of operation or shortage WATER PUMP of water in the water cooled condenser, the condenser temperature rises and when it FAN MOTOR/S (in air cooled version) controlled... -
Page 15: Contents Specifications Mc
Page 15 Page 15 the evaporator temperature sensor supplies a The ice making process takes place thereby, low voltage power signal to the electronic control with the water sprayed into the molds that gets device (P.C.BOARD) in order to activate an gradually refrigerated by the heat exchange with electronic timer. - Page 16 Page 16 Page 16 The electrical components in operation are: NOTE. The length of the entire freezing cycle COMPRESSOR is governed by the evaporator temperature sensor which has its brobe placed in contact WATER PUMP with the evaporator serpentine (Non WATER INLET SOLENOID VALVE adjustable) in combination with the electronic timer (Adjustable) incorporated in the P.C.
- Page 17 Page 17 Page 17 Check the texture of ice cubes just released. of the FIRST YELLOW LED indicating UNIT IN They have to be in the right shape with a small OPERATION and the extinguishing of the “BIN depression of about 5-6 mm in their crown. FULL”...
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Page 18: Freezing Cycle
How it works When the temperature of the evaporator serpentine drops to a pre-set value, the evaporator In the SCOTSMAN Modular Cubers the water sensor probe changes its electrical resistance used to make the ice is kept constantly in allowing a low voltage current (8-10 volts) to flow circulation by an electric water pump which primes to the P.C. - Page 19 Page 19 Page 19...
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Page 20: Harvest Cycle
Page 20 Page 20 The electrical components in operation during 35 psig then it declines gradually - in relation with the growing of the ice thickness - to reach, at the the freezing cycle are: ÷ ÷ end of the cycle, approx. 1.6 1.7 bar - 22 COMPRESSOR psig with the cubes fully formed in the cup molds. -
Page 21: Control Sequence
Page 21 Page 21 TIMED FREEZE At the end of the defrost cycle, both the hot gas and the water inlet valves close and the machine starts again a new freezing cycle. Electrical components (Loads) . ON OFF • Compressor ........OPERATION - CONTROL SEQUENCE •... -
Page 22: Component Description
0 ° C (32 ° F), the P.C. BOARD switches OFF the machine with the BLINKING of RED LED. REFRIGERANT CHARGE (R 404 A) Air Cooled Water Cooled MC 15 640 gr 500 gr MC 45 1300 gr 700 gr... - Page 23 Page 23 Page 23 with ten keys, of one push button, of input terminals P.C. BOARD (Data processor) for the leads of the sensor probes and input and output terminals for the leads of the ice maker The P.C. BOARD, fitted in its plastic box located electrical wires.
- Page 24 Page 24 Page 24 ° RED ALARM LED ON The DIP SWITCH N 7 and 8 allow the extention Too hi condensing temperature of the length of the harvest/defrost cycle according RED ALARM LED BLINKING to their combination as per following chart: Too hi evaporating temperature YELLOW FREEZING CYCLE ON DIP SWITCH...
- Page 25 Page 25 Page 25 WATER INLET SOLENOID VALVE - COMPRESSOR 3/4 GAS MALE FITTING The hermetic compressor is the heart of the The water inlet solenoid valve is activated by the refrigerant system and it is used to circulate and micro processor of the P.C.
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Page 26: Adjustment, Removal And Replacement Procedures
Page 26 Page 26 ADJUSTMENT, REMOVAL AND REPLACEMENT PROCEDURES ADJUSTMENT OF THE CUBE SIZE CAUTION. Before performing actual adjustment of the cube size, check other possible causes for cube size problems, refer to the Service Diagnosis Section for problem review and analysis. Do not perform any adjustment till the icemaking system has progressed SMALL... -
Page 27: Remplacement Of Evaporator Temperature Sensor
Page 27 Page 27 REPLACEMENT OF P.C. BOARD REPLACEMENT OF EVAPORATOR TEMPERATURE SENSOR (BLUE PLUG) Remove front and left side panel. Remove front, left and top panels. Remove all sensor terminal plugs, located on the rear side of P.C. Board, by carefully Remove the evaporator cover and snap off releasing them out from their sockets clips. -
Page 28: Remplacement Of Water Drain Solenoid Valve (Optional)
Page 28 Page 28 To install the replacement spray bar follow Trace the electric wires belonging to the hot above steps in reverse. gas valve coil and disconnect them; then lift the valve coil from the valve body. To install the replacement hot gas valve coil REPLACEMENT OF DRIER follow previous steps in reverse. -
Page 29: Remplacement Of Evaporator Platen
Page 29 Page 29 REPLACEMENT OF WATER COOLED Remove the evaporator sensor probe taking CONDENSER off the two metal clips securing it to the evaporator serpentine. Remove front and left panel. Recover the refrigerant from the system and transfer it in a container so to reclaim or Remove the condenser and the ambient recycle it. -
Page 30: Replacement Of Compressor
Page 30 Page 30 7. To install the replacement evaporator follow Recover the refrigerant from the system and transfer it in a container so to reclaim or the above steps in reverse. recycle it. NOTE. Thoroughly evacuate the system to Unsolder and disconnect both the suction remove moisture and non condensables after line and the discharge line from the compressor. -
Page 31: Wiring Diagram
Page 31 Page 31 WIRING DIAGRAM MC-15 A-W B - WHITE 230/50/1 - 240/50/1 - 115/60/1 G - GREY N - BLACK A - BLUE M - BROWN GV - YELLOW GREEN... - Page 32 Page 32 Page 32 WIRING DIAGRAM MC-15 A-W 220/50-60/3 - 400/50/3 + N B - WHITE G - GREY N - BLACK A - BLUE M - BROWN GV - YELLOW GREEN...
- Page 33 Page 33 Page 33 WIRING DIAGRAM MC-45 A-W 230/50/1 - 240/50/1 B - WHITE G - GREY N - BLACK A - BLUE M - BROWN GV - YELLOW GREEN...
- Page 34 Page 34 Page 34 WIRING DIAGRAM MC-45 A-W 220/50-60/3 - 400/50/3 + N B - WHITE G - GREY N - BLACK A - BLUE M - BROWN GV - YELLOW GREEN...
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Page 35: Service Diagnosis
Shortage of water See remedies for shortage of water Dirty water supply Use water softner or water filter Accumulated impurities Use SCOTSMAN Ice Machine cleaner Shortage of water Water spilling out through curtain Check or replace curtain Water solenoid valve not opening... - Page 36 Page 36 Page 36 SERVICE DIAGNOSIS SYMPTON POSSIBLE CAUSE SUGGESTED CORRECTION Irregular cubes size & some Some jets plugged Remove spray bar & jet bearing cloudy and clean them Shortage of water See shortage of water Unit not level Level as required Spray bar not rotating Remove spray bar &...
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Page 37: Maintenance And Cleaning Instructions
Perform adjustment of DIP SWITCH keys Clean the water system, evaporators, bin as required. and spray bar/s using a solution of SCOTSMAN Ice Machine Cleaner. Check the ice level control sensor to test Refer to procedure C cleaning instructions and shut-off. -
Page 38: Cleaning Instructions Of Water System
Cleaning Mode (Fig.7) cleaning solution by diluting in a plastic container two or three liters of warm water (45°-50°C) with a 0,2-0,3 liters of SCOTSMAN Ice Machine Cleaner. WARNING. The SCOTSMAN Ice Machine Cleaner contains Phosphoric and Hydroxyacetic acids. - Page 39 Page 39 Page 39 14. Flush out the rinsing solution from the sump With the system in Cleaning mode the reservoirs water pump is the only component in operation to circulate the cleaning solution in the entire 15. Place again the evaporator cover and the water system unit service panels.