Table of Contents
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Page 1
MAR 56
MAR 76
MAR 106
MAR 126
MAR 206
MAR 306
Scale ice machines
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
SERVICE MANUAL
MS 1000.66 - REV. 06/2018
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Related Manuals for Scotsman MAR 56
Summary of Contents for Scotsman MAR 56
- Page 1 Page 1 Page 1 SERVICE MANUAL MAR 56 MAR 76 MAR 106 MAR 126 MAR 206 MAR 306 Scale ice machines 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 &...
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Page 2: Foreword
® ® I C E S Y S T E M S SCOTSMAN - EUROPE - FRIMONT SPA Via Puccini, 22 - 20010 Bettolino di Pogliano (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 3: Table Of Contents
Foreword page TABLE OF Table of contents CONTENTS Specifications - MAR 56 - 76 - 106 - 126 4-5-6 Specifications - MAR 206 - 306 Remote cond. Section I GENERAL INFORMATIONS & INSTALLATIONS Description Unpacking & Inspection Location & Levelling Electrical connections Water supply &... - Page 4 NOTE. Daily ice capacity is directly related to condenser air water inlet temperature, water temperature to make ice - and age of machine. To keep your SCOTSMAN MAR performing at is maximum capacity, it is necessary to perform periodic maintenance as outlined on page 29 of this manual.
- Page 5 NOTE. Daily ice capacity is directly related to condenser air water inlet temperature, water temperature to make ice - and age of machine. To keep your SCOTSMAN MAR performing at is maximum capacity, it is necessary to perform periodic maintenance as outlined on page 29 of this manual.
- Page 6 400 V lbs. MAR 56 AS 5 x 1.5 Stainless MAR 56 WS Water 5 x 1.5 Steel MAR 76 AS 5 x 1.5 Stainless MAR 76 WS Water 5 x 1.5 Steel MAR 106 AS 5 x 1.5 Stainless MAR 106 WS Water 5 x 1.5...
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Page 7: Specifications - Mar 206 - 306
NOTE. Daily ice capacity is directly related to condenser air water inlet temperature, water temperature to make ice - and age of machine. To keep your SCOTSMAN MAR performing at is maximum capacity, it is necessary to perform periodic maintenance as outlined on page 29 of this manual. - Page 8 Page 8 MAR 206-306 - SPECIFICATIONS Shipping weight Water req. (l/h) Total Amps. Cond. Compr. Power Minimum MODELS Finish Unit (HP) (KW) wire size (mm) * Cond. Prod. 400 V lbs. MAR 206 AS 5 x 2.5 Stainless MAR 206 WS Water 1200 5 x 2.5 Steel...
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Page 9: Remote Cond
Page 9 Page 9 MAR 306 REMOTE CONDENSER TECHNICAL SPECIFICATIONS CONDENSER CAPACITY FAN MOTOR AIR FLOW 20 KW - 17200 Kcal/h 230/50/1 V - 0,8 A 4320 m... -
Page 10: Section I
Storage Bin or Ice Room 2. UNPACKING AND INSPECTION Since the MAR Scale is a continuous flow type 1. Call your authorized SCOTSMAN Distributor ice maker and does not have its own attached od Dealer for proper installation. storage bin, it is necessary to use an auxiliary bin or a pre-fabricated ice room for appropriate ice 2. -
Page 11: Location & Levelling
Care should be exercised in making the 1200 m stand strong enough to support the weight. – MAR 76 AS - has a condenser heat rejection In designing the stand plan for the servicing of 4900 Kcal/hr and fan motor draws air for of the machine from front, top and sides. -
Page 12: Electrical Connections
Low voltages can cause erratic operation and 225 lt/hr for MAR 56 may be responsible for serious damage to the 300 lt/hr for MAR 76 overload switch and motor windings. 480 lt/hr for MAR 106 All external wiring should conform to the National,... -
Page 13: Remote Air Cooled Condenser Installation
Configurations that do NOT meet these container and any severe damage noted, requirements must receive prior written should be reported to delivering carrier; and a authorization from Scotsman. concealed damage claim filled subject to internal inspection with carrier representative Do NOT: present. - Page 14 Page 14 condenser effect that exposed lines can pro- C. Remote condenser - Wall attachment duce in cold weather. 1. Install and attach the remote condenser to the Insulate lines that be exposed to outside wall of the building, using the methods and temperatures that will be below freezing, for practices of building standards that conforms extended periods of time.
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Page 15: Ice Level Control
Serial numbers from serial nameplate then and its inner temperature that must be higher, mail the completed card to the Frimont Scotsman anyway, to that of the ice produced. Europe Factory. In case of a prevailing low themperature (below -20°C) created by the sub-cooled ice that is... - Page 16 Page 16 Page 16 11. UNIT INSTALLATION PRACTICE ON REFRIGERATED ICE STORAGE ROOM (Jacket system) 1 Power supply line 2 Hand disconnect switch 3 Water supply line 4 Hand shut off valve 5 Water filter 6 Water supply in. (Run separate water inlet for condenser) 7 Water drain line 8 Open trapped or vented drain...
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Page 17: Operating Instructions
Page 17 Page 18 SEZIONE II OPERATING INSTRUCTION 6. Observe immediately that evaporator drum 1. COMPLETE UNIT START-UP rotates in the right direction, namely toward the scraping blade. 1. Remove all panels and open the water supply line shut-off valve for both the evaporator 7. -
Page 18: Water & Refrigerant Circuit
Page 19 Page 18 b) Compressor loose at one or more holddown Motor Shaft Pulley bolts. MAR units are generally equipped with two c) Drivemotor pulley misaligned with gear box pulleys (not on MAR 126) and by changing pulley causing V belt vibration. from one to the other the speed of drum can d) Check compressor oil level through sight be changed. - Page 19 Answer all questions about the the water inlet valve to interrupt the water icemaker, by the owner and inform the owner supply. of the name and telephone number of the Scotsman Service station serving him. 14. Fit and secure all unit panels previously removed.
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Page 20: Principles Of Operazion - How It Works
Page 21 Page 20 SECTION III PRINCIPLES OF OPERATION - HOW IT WORKS The ice layer of the emerged cylinder sector has 1. ICE MAKER a fraction of time to solidify, dry and eventually The revolving drum which may be of different size subcool before contacting the edge of the depending on the ice maker capacity, is basically horizontal scraping blade. -
Page 21: Electrical / Refrigeration
Page 21 Page 22 3. ELECTRICAL / REFRIGERATION D. Hi Pressure Cut-Out Hand Reset The electrical circuit consists of the compressor This high pressure control prevents operation motor, drive motor, water pump, condenser fan at high refrigerant pressure. motor and control (on air cooled version), main Shuts-off entire system in case of water failure controls (ON-OFF compressor Switch - Timer - to condenser on water cooled units and of fan... - Page 22 Page 23 Page 22 If the stoppage is caused by its refrigerant J. Water Cooled Condenser pressures or overloading in the compressor a Tube within a tube condenser. red light glows. Both controls that activate the red lights are manual reset type controls, therefore the cause of the stoppage should K.
- Page 23 Page 23 The rotating parts are: This thermostat can be a valid control if it is used in non-refrigerated storage rooms as in a) the clip retainer ring these cases it is influenced just by the ice b) the spring collar temperature.
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Page 24: Refrigerant Charge
MAR 56 AS/WS 1.25 side frame of evaporator drum basin to which it is firmaly secured with four nuts. MAR 76 AS/WS 1.25 The gear reducer bore in which passes the MAR 106 AS/WS drum shaft to be driven, has a keyway. -
Page 25: Adjustment & Removal & Replacement Procedures
Page 25 Page 26 SECTION IV ADJUSTMENT & REMOVAL & REPLACEMENT PROCEDURES The procedures provided in this section are 3. Through the right side, slightly unloose the nut located in correspondence of the sleigh arranged in order to make specific adjustment button hole. -
Page 26: Water Cooled Condens. Replacement
8. INSTRUCTION FOR REMOVAL AND 6. REMOVAL AND REPLACEMENT OF THE REPLACEMENT OF REFRIGERANT WATER REGULATOR ASSEMBLY MECHANISMS OF SCOTSMAN ICE (Water-cooled Models) MAKERS "MAR" SERIES 1. Before removing the refrigerant manifold it is A. To remove the Water Regulator Assembly:... -
Page 27: Drive Motor Replacement
Page 27 Page 28 5. Fit in place of it the screw of 4 MA supplied in tie rod screw and replace it with the third one. the kit then tighten its nut. 17. Clean carefully the inner surface of refrigerant 6. -
Page 28: Gear Box Replacement
Page 29 Page 28 6) When gear box is cleared away from the wall 10. REMOVAL AND REPLACEMENT OF where it is mounted, pull it out from cylinder GEAR BOX shaft. A. Remove screws and front, top and right side B. -
Page 29: Maintenance & Cleaning Instructions
(where used). Stop unit operation and drum assembly using a solution of after 10" see that oil level is 2/3 millimeters SCOTSMAN Ice Machine Cleaner. Refer to above center line of sight glass. procedure VI-3, CLEANING ICE MAKER. 16. Be sure that plexiglass chute at spout opening NOTE. - Page 30 Page 31 Page 30 5. Press water hose clamp in order to release it 9. Push water hose quick fitting ring ..to release the nylon tube 6. Lift the water pump up to release it from sliding holding screw ..and remove water sump from evaporator basin 10.
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Page 31: Cleaning Instruction
Page 31 12. Prepare a solution in a bucket by mixing 20. Plug IN the ice maker and let the unit in 1/2 liter of SCOTSMAN CLEANER with 5 operation for about 10 minutes. liters of warm (40-50°C) water. 21. Disconnect again unit from power. - Page 32 10. Repeat again #5 to dump reservoir from chemical solution and later rinse all parts by fresh water. 11. Prepare as per #6 using SCOTSMAN sanitizer rather then cleaner. Possible 5. Bend down the plastic hose and drain out sanitizing solution could be by mixing 3 cl...
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Page 33: Service Diagnosis
Page 33 SECTION VI SERVICE DIAGNOSIS The Service Diagnosis Section is for use in aiding The following chart lists corrective actions for the the servicemen in diagnosing a particular problem causes of known symptoms of certain problems for pin-pointing the area in which the problems that can occur in the ice makingrefrigerarion lines, thus an ever available reference for proper system. - Page 34 Page 34 SYMPTON POSSYBLE CAUSE CORRECTION Excessive noise. Misaligned V-belt. Aligne V-belt. Gear reducer loose on frame. Tighten. Drive motor end-play or worm Repair or replace. bearings. Motor compressor not Loosen hold-down bolts. floating on rubber cushions. Water level in evaporator Set water level as shown drum basin too low.
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Page 35: Wiring Diagrams
Page 35 SECTION VII WIRING DIAGRAMS This section is provided as an aid in under- standing the electrical circuit of the Mar Flaker. WARNING - When conducting a continuity check of the MAR Flaker: The Wiring Diagrams in this Section are: 1. - Page 36 Page 36 MAR 56-76-106-126 - AS and WS WIRING DIAGRAM...
- Page 37 Page 37...
- Page 38 Page 38...
- Page 39 Page 39 MAR 206-306 - AS and WS FIG. 1 WIRING DIAGRAM...
- Page 40 Page 40 MAR 206-306 - AS and WS FIG. 2 WIRING DIAGRAM...
- Page 41 Page 41...
- Page 42 Page 42...
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