Scotsman MFE400 Manual de Serviço

INTRODUCTIONTo the owner or user: The service manual you arereading is intended to provide you, and themaintenance or service technician with theinfor

ELECTRICAL SEQUENCEThere are two circuits in the MFE400: one is aseries circuit with several switches connected inseries to the compressor. The other

OPERATION: WaterWater enters the machine through the 1/4" maleflare at the rear of the cabinet, goes past the waterpressure switch and then to th

OPERATION: RefrigerationBeginning at the compressor, the refrigerant iscompressed into a high temperature gas. Thedischarge line directs this gas to t

MAINTENANCE AND CLEANINGA Scotsman Ice System represents a sizable investment of time and money in any company’s business. Inorder to receive the bes

MAINTENANCE AND CLEANING///////////////////////////WARNING/////////////////////////////Disconnect electrical power and shut off thewater before beginn

SERVICE DIAGNOSISPROBLEM POSSIBLE CAUSE PROBABLE CORRECTIONNo ice, nothing operates No electrical power Check/restore powerWater supply turned off Ch

SERVICE DIAGNOSISPROBLEM POSSIBLE CAUSE PROBABLE CORRECTIONUnusual noise Mineral scale in evaporator Clean water system with icemachine cleaner.Auger

REMOVAL AND REPLACEMENTIce Breaker and Auger Removal1. Remove styrofoam cap and two screws from theside of the evaporator.2. Pull up on cap hook locat

REMOVAL AND REPLACEMENT: Gearmotor AssemblyRebuilding The Gearmotor AssemblyDrive Motor Parts:To replace the centrifugal switch and mechanismor the mo

MOTOR COVERFANWINDINGROTORFIRST GEARAND PINIONSHAFT SEALSOUTPUTSHAFTKEYGearmotor ServiceMFE400May 1994Page 19

FOR THE INSTALLERThe MFE400 is designed to fit the followingScotsman storage bins.BH550 with bin top KBT20HTB555 with bin top KBT20When installing the

Reservoir.1. Shut off the water supply.2. Remove the top panel.3. Remove the right side panel.4. Drain the water reservoir and evaporator.5. Disconnec

Refrigeration SystemThis ice machine uses R-134a as the refrigerant.This refrigerant has no chlorine, and thereforerequires polyolester type refrigera

FOR THE INSTALLERInstallation Limitations:This ice system is designed to be installed indoors,in a controlled environment:Min MaxAir Temperature 500F.

FOR THE INSTALLERLocationAfter uncrating and inspection, the unit is ready tobe installed.It is important that the machine be installed in alocation w

FOR THE PLUMBERCONFORM TO ALL APPLICABLE CODESWater InletAir Cooled: The recommended water supply iscold water. Use 3/8" O.D. copper tubing, conn

FOR THE ELECTRICIANCONFORM TO ALL APPLICABLE CODESThe electrical power to the unit is to be wiredthrough the cabinet to the control box. In thecontrol

FOR THE INSTALLER: Final Check List1. Is the ice system installed indoors in a locationwhere the air and water temperatures arecontrolled, and where t

INITIAL START UP1. Remove screws and the front panel.2. Open the water shut off valve.3. Observe that the water flows into the waterreservoir, fills u

COMPONENT LOCATION: Control BoxAuger Delay Pressure Control: This pressureswitch, connected to the low side of therefrigeration system, controls the a