Scotsman FME1504 Manuel de service

NME1254 & FME1504January 2000Page 1INTRODUCTIONTo the owner or user: The service manual you arereading is intended to provide you, and themaintena

Control BoxContactor: A definite purpose contactorconnecting the compressor to the power supply.Circuit Board: Controlling the ice machinethrough sens

ELECTRICAL SEQUENCE:There are 7 indicator lights on the control board:·WTR-OK (Water OK). Green. Normal =Glowing. Glows when there is water in therese

COMPONENT DESCRIPTIONEvaporator: A refrigerated vertical tube filledwater and containing a water seal and auger.Auger: A solid stainless steel double

OPERATIONWaterWater enters the machine through the 3/8" maleflare at the rear of the cabinet, goes to the waterreservoir which it enters through

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

CLEANING & SANITIZINGA Scotsman Ice System represents a sizable investment of time and money in any company’s business.In order to receive the bes

1. The bin control is a device that senses light,and must be kept clean enough so that they can“see”. At least twice a year, remove the bin controlsen

BEARING MAINTENANCEThe bearing in the breaker should also be checkedat least two times per year.A. Check the bearing by:·removing the ice chute cover·

In some areas, the water supply to the Ice Machinewill contain a high concentration of minerals, andthat will result in an evaporator and augerbecomin

NME1254 & FME1504January 2000Page 19SERVICE DIAGNOSIS:Symptom Possible Cause Probable CorrectionNo ice is made, nothing operates Unit off due to n

FOR THE INSTALLERThese machines are designed to fit the followingScotsman storage bins:·SB480 andextensions (with bin top KBT18)·HTB555 or BH550 - dir

NME1254 & FME1504June 2002Page 20SERVICE DIAGNOSISSymptom Possible Cause Probable CorrectionWater Leak Drain plugged up Clean out drainTubing crac

CONTROL SYSTEM DIAGNOSTICSThe control system consists of:·Control Board·Water Sensor·Ice Sensors·High Pressure Cut Out·Low Pressure Cut OutIf the unit

WATER RESERVOIR1. Shut off the water supply to the ice machine.2. Remove front panel.3. Remove reservoir cover.4. Disconnect water inlet tube from res

REMOVAL AND REPLACEMENT: Bearing And BreakerNote: Removal of the auger, water seal, evaporatorand gearmotor must begin at the top of theassembly.To Re

To Remove the Auger:Turn off the water to the machine, and unclip theevaporator drain hose, pull it down and drain theevaporator into the bin or a con

To Remove the Water Seal:(Assuming all steps to remove the auger havebeen performed.)1. The gearmotor/evaporator assembly will have tobe exposed.2. Re

To Replace the Evaporator:(Assuming all the steps for removal of the thrustbearing, breaker, auger, and water seal have beenperformed.)1. Recover the

To Check the Motor:1. Remove wires from terminals 1 and 2.2. Use an ohmmeter to check for continuity. If thereis none, replace the motor only. If ther

Refrigeration System ServiceNME1254 & FME1504June 2002Page 28General: This ice machine uses R-404A refrigerantand polyolester oil. Do NOT use mine

What to Do Before Calling for ServiceIf the machine is off, not making ice:1. Check the water supply to the ice machine. Themachine is designed to shu

Installation Limitations:This ice system is designed to be installed indoors,in a controlled environment:Min. Max.Air Temperature 500F 1000FWater Temp

FOR THE INSTALLERLocationAfter uncrating and inspection, the unitis ready for installation. It is importantthat the machine be installed in alocation

FOR THE PLUMBERCONFORM TO ALL APPLICABLE CODESWater InletAir Cooled Models: Connect a water supply ofcold, potable water. Use 3/8" O.D. copper tu

FOR THE ELECTRICIANCONFORM TO ALL APPLICABLE CODESConnect the electrical power to the power leads inthe junction box at the rear of the machine.Check

FOR THE INSTALLER: Final Check List1. Is the ice system installed indoors in alocation where the air and watertemperatures are controlled, and where t

START UPPre-Start Inspection1. Remove the front, and left side service panels.2. Check that the styrofoam shipping blocks underthe gearmotor, on top o

COMPONENT DESCRIPTIONControl Box: Contains the electrical controls thatoperate the machine.Low Pressure Cut Out: An automatic reset switchset to shut