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SERVICE MANUAL
MF/MFN 88
Modular superflaker/nugget
split
Scotsman Ice Srl
Via Lainate, 31 - 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.it
E-Mail: scotsman.europe@scotsman.it
MS 1000.28 REV. 02/2017
REV. 04/2019
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Summary of Contents for Scotsman MF 88
- Page 1 Page 1 SERVICE MANUAL MF/MFN 88 Modular superflaker/nugget split Scotsman Ice Srl Via Lainate, 31 - 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.it...
- Page 2 Page 2 Page 2 TO BE USED JUST BY THE INSTALLER...
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Page 3: Table Of Contents
Page 3 Page 3 Table of contents page TABLE OF Specifications CONTENTS Section I GENERAL INFORMATION AND INSTALLATION Introduction Description Sealed refrigerant system Storage bin or ice room Unpacking and iInspection Location and levelling Electrical connection Water supply and drain connection Final check list Section II OPERATING INSTRUCTIONS... -
Page 4: Specifications
-10% +10% Extended periods of operation exceeding these limitations constitutes misuse under the terms of Scotsman Manufacturer's Limited Warranty, resulting in a loss of warranty coverage. We reserve the right to make product improvement at any time. Specifications and design are subject to change without notice. - Page 5 Page 5 Page 5 SPECIFICATIONS (CONT'D) Dimensions: HEIGHT: 1140 mm HEIGHT (with legs): 1290 mm WIDTH: 540 mm DEPTH: 780 mm NET WEIGHT: 250 Kg MF/MFN 88 - SPLIT - MACHINE SPECIFICATIONS Cooling Reg. Basic electrical Refrigerant Drive Motor Ice Type Fuse Size at -24°C / +40°C 230/50/3N...
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Page 6: Section I
DESCRIPTION See DATAPLATE on the cabinet base and check that the location source voltage cor- The Scotsman MF/MFN 88 - continuous flow ice responds with the voltage specified on the maker - consists of one large capacity flake ice dateplate. -
Page 7: Electrical Connection
NOTE. Water supply must be installed to conform with local plumbing codes. In 13. Has the owner been given name and some cases, a plumbing permit and services of a licensed plumber will be telephone number of the authorized SCOTSMAN required. Service Agency. -
Page 8: Operating Instructions
(KM2), has the following setting. led of the Time Delay Relay KT1 blinking), the liquid valve opens. MF 88 - MFN 88 After two or three minutes of unit operation observe that flaked ice begins to drop out in the... -
Page 9: Principles Of Operation - How It Works
Page 9 Page 9 SECTION III PRINCIPLES OF OPERATION - How it Works ICEMAKER: Once unit is electrically connected, after 15 minutes starts the automatic and continuous Water icemaking process. When the Ice touches the Thermostatic Control Bulb, the sensing bulb The water supply flows from the building source shuts off the compressor first and 15 minutes through the enters at the Cabinet fitting and on to... -
Page 10: Electrical/Refrigeration
OFF the entire machine. The MF/MFN 88 Flakers are designed to operate at 400 Volts. 50 Hertz, threephase plus neutral. Special voltage requirements are available on MF 88 - MFN 88 special order. 400V 230V Therefore, always CHECK NAMEPLATE for electrical information BEFORE proceeding with electrical wiring connections to the Icemaker. - Page 11 Page 11 Page 11 The Gear Reducer Hydromec mod. V196001 Lifetime synthetic oil Drive Motor Contactor Telemecanique lubrification, no maintenance is required. LC1K09 - with 4 N.O. contacts at 400V 9A with Check gear reducer gaskets/oil seals at least 230V 50-60 Hz coil. every 2500 hours operation.
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Page 12: Replacement Procedures
Page 12 Page 12 SECTION IV ADJUSTMENT AND REMOVAL AND REPLACEMENT PROCEDURES The procedures provided in this Section are ADJUSTMENT OF THE arranged in alphabetical order, to make specific EXPANSION VALVE Adjustment and Removal and replacement This valve may be manually regulated by means information easy to locate. - Page 13 Page 13 Page 13 REMOVAL AND REPLACEMENT OF THE 14. Remove screws and lockwashers which AUGER, WATER SEAL, BEARINGS AND attach the Freezer Assembly to the Adaptor on COUPLING the Gear box. A. To Remove the Auger, Water Seal, 15. Raise the Freezer Assembly off of the Bearings, and Coupling: Adaptor, to gain access to the Bearing Retainer;...
- Page 14 Page 14 Page 14 A. To Remove the Freezer Assembly: 5. Remove the Water Reservoir Assembly, from the mounting bracket. 1. Remove screws and left and right side rear panels. B. To replace the Water Reservoir Assembly, reverse the removal procedure. 2.
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Page 15: Service Diagnosis
Page 15 Page 15 SECTION V SERVICE DIAGNOSIS The Service Diagnosis Sections is for use in The following chart lists corrective actions for aiding the servicemen in diagnosing a particular the causes of known symptoms of certain problem for pin-point the area in which the problems that can occur in the ice problems lies, thus an ever available reference makingrefrigeration system. - Page 16 Page 16 Page 16 SYMPTON POSSIBLE CAUSE SUGGESTED CORRECTION Excessive noise. Gear reducer loose on frame. Tighten. Drive motor end-play or Repair or replace. worn bearings. Water level in evaporator Set water level correctly too low. Water leaks. Damaged water seal. Replace seal.
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Page 17: Wiring Diagrams
Page 17 Page 17 SECTION VI WIRING DIAGRAMS This section is provided as an aid in understanding WARNING - When conducting a conti-nuity the electrical circuit of the MF/MFN 88. check of the MF/MFN 88: 1. Disconnect the main power source. The Wiring Diagrams in this Sections is: 2. -
Page 18: Wiring Diagram Mf/Mfn 88
Page 18 Page 18 WIRING DIAGRAM MF/MFN 88... - Page 19 Page 19 Page 19...
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Page 20: Maintenance And Cleaning Instructions
Syntetic Oil Shell Tivela SC320. 20 m/m below the ice discharge opening. Clean water reservoir and interior of the freezer assembly, using a solution of SCOTSMAN CLEANING Ice Machine Cleaner. Refer to CLEANING- Icemaker. - Page 21 Page 21 Page 21 Prepare cleaning solution: Mix 1 liter of 10. Flush-out the remaining cleaning solution SCOTSMAN Ice Machine Cleaner with 10 liters from freezer, as per step 4 Wash and rinse the warm water. water reservoir. Slowly pour the cleaning solution into water 11.