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SERVICE MANUAL
MF 47
MF 57
R 290 VERSION
NEW PC BOARD
Electronic modular
SCOTSMAN EUROPE - FRIMONT SPA
Via Puccini, 22 - 20010 Pogliano M.se - Milano - Italy
Tel. +39-02-93960.1 (Aut. Sel.)- Telefax +39-02-93550500
Direct Line to Service & Parts:
Phone +39-02-93960350 - Fax +39-02-93540449
Website: www.scotsman-ice.com
E-Mail: scotsman.europe@frimont.it
superflakers
REV. 06/2014
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Summary of Contents for Scotsman MF 47
- Page 1 R 290 VERSION NEW PC BOARD Electronic modular superflakers SCOTSMAN EUROPE - FRIMONT SPA Via Puccini, 22 - 20010 Pogliano M.se - Milano - Italy Tel. +39-02-93960.1 (Aut. Sel.)- Telefax +39-02-93550500 Direct Line to Service & Parts: Phone +39-02-93960350 - Fax +39-02-93540449 Website: www.scotsman-ice.com...
- Page 2 STATUS REASON WHY – SIGNIFICATION – SIGNIFICATO – Beschreibung ON STEADY UNIT OFF AT BIN FULL FIXE CABINE PLAINE FISSO CONTENITORE PIENO Ständig an Maschine AUS, Speicher voll! BLINKING SLOW I/R BEAM CUTTED CLIGNOTANT LENT FAISCEAU INFRA ROUGE CELLULE NIVEAU GLACE INTERROMPU LAMPEGG.
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Page 3: Table Of Contents
Replacement of the Gear Motor Magnetic Sensor Replacement of the auger, water seal, bearings and coupling Replacement of the gear motor assy Replacement of the freezing cylinder Wiring diagram MF 47 - MF 57 single phase Service diagnosis MAINTENANCE AND CLEANING INSTRUCTIONS General... - Page 4 Page 3 Page 3...
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Page 5: Specifications Mf
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 FLAKER at peak performance levels, periodic maintenance checks must be carried out as indicated on maintenance section of this manual. - Page 6 HEIGHT (less legs) 645 mm. HEIGHT (with legs) 650 mm. WIDTH 535 mm. DEPTH 660 mm. WEIGHT 77 Kg. MF 47 - MACHINE SPECIFICATIONS Water req. Model Cond. unit Finish Comp. HP lt/24 HR MF 47 AS S. Steel Start Electric power cons.
- Page 7 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 FLAKER at peak performance levels, periodic maintenance checks must be carried out as indicated on maintenance section of this manual.
- Page 8 Page 7 Page 7 SPECIFICATIONS Dimensions: HEIGHT (less legs) 785 mm. HEIGHT (with legs) 790 mm. WIDTH 535 mm. DEPTH 660 mm. WEIGHT 93 Kg. MF 57 - MACHINE SPECIFICATIONS Water req. Model Cond. unit Comp. HP Finish lt/24 HR MF 57 AS Start Electric power cons.
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Page 9: General Information And Installation
SCOTSMAN EUROPE/Frimont SB 550 S with its companion CBT 42 EFSD factory. Top Cover in combination with MF 47 and MF 57 SB 948 S with its companion CBT 48 FMCD Top Cover in combination with MF 47 and MF 57... -
Page 10: Location And Levelling
Do not put any stiffeners crossing the ice following limitations will constitute drop opening. misuse under the terms of the SCOTSMAN Manufacturer’s Limited Warranty resulting in LOSS of warranty coverage. Install the bin top in its position onto the bin... -
Page 11: Water Supply And Drain Connections
12. Has the owner been given the name and an open trapped and vented drain. When the drain is a long run, allow 3 cm pitch per meter the phone number of the authorized SCOTSMAN (1/4" pitch per foot). Service Agency serving him? -
Page 12: Installation Practice
Page 11 Page 11 G. INSTALLATION PRACTICE 1. Hand shut-off valve 2. Water filter 3. Water supply line (flexible hose) 4. 3/4" GAS male fitting 5. Power line 6. Main switch 7. Drain fitting 8. Vented drain 9. Vented drain 10. -
Page 13: Operating Instructions
Page 12 Page 12 OPERATING INSTRUCTIONS Elapsed the stand by period the unit starts START UP operating with the activation in sequence of the following assemblies: After having correctly installed the ice maker and completed the plumbing and electrical GEAR MOTOR/S connections, perform the following “Start-up”... - Page 14 Page 13 Page 13 FIG. 2 WATER LEVEL RESET GEAR MOTOR ROTATION CONTACTOR COIL RELAYS CONDENSER TEMP. T 40÷50°C EVAPORATOR TEMP. GEAR MOTOR ICE LEVEL CONTROL TRIAC FAN MOTOR TRANSF. ELECTRONIC CARD FIG. 3 WATER LEVEL RESET GEAR MOTOR ROTATION CONTACTOR COIL RELAYS CONDENSER TEMP.
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Page 15: Operational Checks
Page 14 Page 14 NOTE. If, after ten minutes from the NOTE. On air cooled models, the condenser compressor start-up, the evaporating tem- temperature sensor, which is located within perature has not dropped down to a value the condenser fins, keeps the head °... - Page 16 Page 15 Page 15 This will cause a gradual decrease of the water After 3 minutes the unit resumes its total operation level in the float reservoir and as soon as the with the immediate start-up of the gear motor level gets below the two vertical metal pins, the and, few seconds later, of the compressor.
- Page 17 Page 16 Page 16 NOTE. The ICE LEVEL CONTROL NOTE. During the life of the machine the Ice (INFRARED SYSTEM) is independent of the Level Control may require a recalibration temperature however, the reliability of its mainly when the glass of the two optical eyes detection can be affected by external light are covered by a thin lay of scale.
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Page 18: Principle Of Operation (How It Works)
Next, the refrigerant enters into the evaporator coil wrapped around the freezer inner tube. MF 47-57 The water being constantly fed at the interior of the freezer inner tube, exchan-ge heat with the... - Page 19 3' later) in order to prevent the unit from mode. operating in abnormal and dangerous conditions. MF 47 - 57 When the ice maker stops on account of this EVAPORATOR protective device, there is a simultaneous glowing of the RED LED, warning the user of the Hi Temperature situation.
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Page 20: Mechanical System
ON the power line main disconnnect MECHANICAL SYSTEM switch (Fig. 7). The mechanical system of the SCOTSMAN The RED LED will start blinking and after 3 Flaker machines consists basically of a gear minutes the ice maker will resume its total... -
Page 21: Operating Pressures
The refrigerant charges indicated are relatives to averages operating conditions. REFRIGERANT CHARGE (R 290) Air cooled MF 47 150 gr MF 57 ° OPERATING PRESSURES (With 21 C ambient temperature) -
Page 22: Components Description
Page 21 Page 21 COMPONENTS DESCRIPTION In case the condenser temperature sensor detects ° a temperature at the condenser lower than +3 ° F) that means ambient temperature too low for the correct unit operation, the sensor signals EVAPORATOR TEMPERATURE to the P.C. - Page 23 Page 22 Page 22 When the light beam is interrupted the Bin Full control the operation of the different electrical YELLOW LED located in the front of the P.C. components of the ice maker (compressor, gear BOARD blinks; in case the light beam gets motor, etc.).
- Page 24 Page 23 Page 23 TO BY-PASS THE 3'/60' STAND BY TIME, SYMPLY JUMP "TEST" CONTACTS WITH PCB ENERGIZED G. JUMPERS 60/70°C Set up of the Safety Condensing Temperature Sensor The Flaker PC Board is equipped by six jumpers: JUMP IN - 70°C JUMP OUT - 60°C PURGE Used on machine equipped with Water Purge Valve to purge out the water...
- Page 25 Page 24 Page 24 A water seal system is located in the bottom part The drive motor rotor is kept aligned on its of the freezer while at the top end is fitted the ice vertical axis by two ball bearings permanently breaker.
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Page 26: Adjustment, Removal And Replacement Procedures
Page 25 Page 25 ADJUSTMENT, REMOVAL AND REPLACEMENT PROCEDURES Unloose the three screws securing the NOTE. Read the instructions throughly plastic cover to the top of the gear motor and before performing any of the following remove it. adjustment or removal and replacement pro- cedure. -
Page 27: Replacement Of The Gear Motor Assy
Page 26 Page 26 Unloose and remove cap screw and remove the ice breaker from the auger. Clean away the old grease from the interior of the ice breaker and inspect the bearing pressed into the top of the ice breaker and if worn do not hesitate to replace it. -
Page 28: Replacement Of The Freezing Cylinder
Page 27 Page 27 Unsolder and disconnect the capillary tube Trace and disconnect the electric wires and the accumulator/suction line assy from the leads of the drive motor. Lift and remove the outlet line of the freezing cylinder. entire gear motor assembly. Remove the three/four bolts and washers To install the replacement gear motor assy securing the gear reducer base to the unit chassis,... -
Page 29: Wiring Diagram Mf 47 - Mf 57 Single Phase
Page 28 Page 28 WIRING DIAGRAM MF 47 - MF 57 SINGLE PHASE... -
Page 30: Service Diagnosis
Page 29 Page 29 SERVICE DIAGNOSIS SYMPTON POSSIBLE CAUSE SUGGESTED CORRECTION Unit will not run Blown fuse in P.C.Board Replace fuse & check for cause of No LED lighted-on blown fuse Master switch in OFF position Turn switch to ON position Inoperative P.C.Board Replace P.C.Board Loose electrical connections... - Page 31 Page 30 Page 30 SERVICE DIAGNOSIS SYMPTON POSSIBLE CAUSE SUGGESTED CORRECTION Wet ice Ambient temperature too high Move unit to cooler location Under or overcharge of refrigerant Recharge with correct quantity High water level in the freezer Lower to approx. 20 mm below ice spout Faulty compressor Replace...
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Page 32: Maintenance And Cleaning Instructions
SCOTSMAN Cleaner plain. With the ice machine and fan motor OFF on air cooled models, clean condenser using vacuum... - Page 33 13. Pour into the water reservoir 1 cc. (approx swallowed, DO NOT induce vomiting. 20 drops) of Scotsman Sanitiser (Antialgae P/N Give large amounts of water or milk. Call 264000.00) then switch the unit ON.