1. Manuals
  2. Brands
  3. Scotsman Manuals
  4. Ice Maker
  5. MF400
  6. Service manual

Scotsman MF400 Service Manual

Scotsman mf400 ice machine: user guide
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
INTRODUCTION
To the owner or user: The service manual you are
reading is intended to provide you, and the
maintenance or service technician with the
information needed to install, start up, clean,
maintain, and service this ice system.
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 2
Location/Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 4
For the Plumber . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 5
Final Check List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 7
Component Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 9
Electrical Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 10
Ice Breaker and Auger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 17
Gearmotor Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 18
Parts lists and wiring diagrams are located
in the center of this manual, printed on
yellow paper.

TABLE OF CONTENTS

May, 1991
Page 1
MF400

Advertisement

Table of Contents
loading

Related Manuals for Scotsman MF400

Summary of Contents for Scotsman MF400

  • Page 1: Table Of Contents

    Gearmotor Assembly ....... Page 18 Parts lists and wiring diagrams are located in the center of this manual, printed on yellow paper. TABLE OF CONTENTS May, 1991 Page 1 MF400...

  • Page 2: For The Installer

    MF400 FOR THE INSTALLER The MF400 is designed to fit the following Scotsman storage bins. BH550 with bin top KBT20 HTB500 with bin top KBT20 The normal finish for the machine is enamel sandalwood. An optional stainless steel panel kit (SPKMF400A) may be ordered and field installed to convert the unit to a stainless steel finish.
  • Page 3 They meed or exceed the standards of UL, NSF, and CSA. Scotsman assumes no liability or responsibility of any kind for products manufactured by Scotsman that have been altered in any way, including the...

  • Page 4: Location/Assembly

    3. Remove the cardboard support from under the ice chute. 4. Insert the ice chute/bin thermostat assembly into the large hole in the bottom of the ice machine. Check that bin thermostat cap tube is free from contact with most components.

  • Page 5: For The Plumber

    Storage Bin : A separate gravity type drain needs to be run. This drain line should be insulated. POTABLE WATER INLET CONDENSER WATER INLET (Water Cooled) WATER FILTER (FIELD SUPPLIED) CONDENSER DRAIN (Water Cooled) BIN DRAIN May, 1991 Page 5 MF400 OVERFLOW DRAIN FLOOR DRAIN GRILL...

  • Page 6: For The Electrician

    MF400 FOR THE ELECTRICIAN CONFORM TO ALL APPLICABLE CODES The electrical power to the unit is to be wired through the cabinet to the control box. In the control box, connect to the terminal strip provided. Check the nameplate (located on the back of the cabinet) for the voltage requirements, and for the minimum circuit ampacity.

  • Page 7: Final Check List

    MF400 FOR THE INSTALLER: Final Check List 1. Is the ice system installed indoors in a location where the air and water temperatures are controlled, and where they do not exceed the design limitations? 2. Is there an electrical service disconnect within sight of the installed machine? 3.

  • Page 8: Start Up

    MF400 START UP 1. Remove screws and the front panel. 2. Open the water shut off valve. 3. Observe that the water flows into the water reservoir, fills up the water inlet tube to the evaporator, the float moves up with the water level,...

  • Page 9: Component Description

    MF400 COMPONENT LOCATION: Control Box Auger Delay Pressure Control: This pressure switch, connected to the low side of the refrigeration system, controls the auger drive motor. Low Pressure Control: This pressure switch, connected to the low side of the refrigeration system, is normally closed when the machine is operating.

  • Page 10: Electrical Sequence

    MF400 ELECTRICAL SEQUENCE There are two circuits in the MF400: one is a series circuit with several switches connected in series to the compressor. The other is a parallel branch of the series circuit, controlling the gear drive motor. The series circuit begins at the terminal strip in the control box.

  • Page 11: Operation

    WATER RESERVOIR - FLOAT VALVE PRESSURE SWITCH WATER INLET RESERVOIR OVERFLOW DRAIN AUGER DRIVE MOTOR WATER SEAL ICE AND WATER SCHEMATIC "B" MODEL May, 1991 Page 11 MF400 SAFETY SWITCH SPOUT CHUTE THERMOSTAT BRACKET...
  • Page 12 MF400 OPERATION: Refrigeration Beginning at the compressor, the refrigerant is compressed into a high temperature gas. The discharge line directs this gas to the condenser. At the condenser (air or water cooled) the gas is cooled by either air or water and it then condenses into a liquid.

  • Page 13: Maintenance & Cleaning

    MAINTENANCE AND CLEANING ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// A Scotsman Ice System represents a sizable investment of time and money in any company’s business. In order to receive the best return for that investment, it MUST receive periodic maintenance. It is the USER’S RESPONSIBILITY to see that the unit is properly maintained. It is always preferable, and less costly in the long run, to avoid possible down time by keeping it clean;...

  • Page 14: Maintenance And Cleaning

    3. Inspect the auger and the water seal. Clean the auger of any mineral build up. Scotsman Ice Machine Cleaner and a scouring pad work well to clean the auger. DO NOT USE steel wool.

  • Page 15: Service Diagnosis

    This switch will reset when the ice melts, F. Check the water pressure to the unit. The machine will not run if there is not enough water pressure. 1. Restore/adjust water supply. May, 1991 Page 15 MF400...
  • Page 16 MF400 SERVICE DIAGNOSIS: Condition - No Ice Being Produced STATUS: ICE MAKER DOES NOT OPERATE H. Check: The gear motor , if it will not run, the compressor will not run. If no power to it: Check that the Bin Thermostat is closed. If open, with no ice on it, replace the bin thermostat.

  • Page 17: Removal And Replacement

    Sealant Here Rubber Metal 3. Apply Scotsman part number 19-0529-01 food grade sealant to the auger shoulder before pushing on the water seal. Place just enough sealant onto the shoulder of the auger, so that when the water seal is placed on the auger, the gap between the auger shoulder and the water seal is completely filled with the sealant.

  • Page 18: Gearmotor Assembly

    When inspecting the internal parts, look for: Condition and quantity of lubricant. (The proper oil level is near the top of the output (biggest) gear. This takes 5 oz. Use Scotsman oil, part number A25835-001. Bearing condition Gear and Shaft condition Woodruff key between output gear and shaft.
  • Page 19 MF400 Gearmotor Service SHAFT SEALS MOTOR COVER OUTPUT SHAFT WINDING ROTOR FIRST GEAR AND PINION May, 1991 Page 19...

Table of Contents