Scotsman NME1850R Manual de servicio

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

FOR THE ELECTRICIANCONFORM TO ALL APPLICABLE CODESThe electrical power to the unit is supplied throughthe junction box at the rear of the machine.Chec

FOR THE INSTALLER: Completed InstallationINSULATEDPRECHARGEDREFRIGERANTTUBINGA typical installation should generally appear asillustrated below. The r

FOR THE INSTALLER: Final Check List1. Is the ice system installedindoors in a location where theair and water temperatures arecontrolled, and where th

START UPPre-Start Inspection1. Remove the front, left, and right side servicepanels.2. Check that any styrofoam shipping blocks havebeen removed.3. In

COMPONENT DESCRIPTIONControl Box: Contains the electrical controls thatoperate the machine.High Pressure Cut Out: A manual reset switchsensing the h

COMPONENT DESCRIPTION: Control BoxContactor: A definite purpose contactorconnecting the compressor and the remotecondenser fan motor to the power sup

Refer the wiring diagram as needed.The two ice making systems operateindependently except for the fan motor of theremote condenser. If either one of t

OPERATION: WaterWater enters the machine through the 3/8" maleflare at the rear of the cabinet, divides into two inletlines to each water reservo

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

OPERATION: RefrigerationLow Condensing TemperatureThe refrigeration system under low condenser airtemperatures is much the same as it is underhigher t

FOR THE INSTALLERThese machines are designed to fitthe following Scotsman storagebins:••B90 and extensions, with bintop KBT18.••BH800 no bin top need

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

1. The bin control uses devices that sense light,therefore they must be kept clean enough so thatthey can "see". At least twice a year, remo

MAINTENANCE AND CLEANINGIn some areas the water supply to the ice makerwill have a great deal of minerals in it, and that willresult in an evaporator

SERVICE DIAGNOSIS: Condition - No Ice Being ProducedSTATUS: NOTHING OPERATESA. Check: Voltage to the unit, restore it if there is none. Compare to the

F. Check: The gear motor, if it will not run, the compressor will not run. If no power to it: Check:the indicator lights on the circuit board, the bi

SERVICE DIAGNOSIS: Condition - No Ice Being Produced(Work on each system separately)STATUS: GEAR MOTOR OPERATES, COMPRESSOR DOES NOTA. Check the pump

SERVICE DIAGNOSIS: Condition - Low Ice ProductionSTATUS: EVERYTHING IS OPERATINGA. Check the condenser for dirt. Clean as required. Check the head pre

WATER RESERVOIR1. Shut off the water supply to the ice maker.2. Remove front panel and reservoir cover.3. Disconnect water inlet tube from reservoir i

REMOVAL AND REPLACEMENT: Bearing And BreakerNote: Removal of the auger, water seal,evaporator and gear motor must begin at the topof the assembly.To R

Note that the auger has very sharp edges.To Remove the Auger:Turn off the water to the machine, and unclip theevaporator drain hose, pull it down and

FOR THE INSTALLERInstallation Limitations:This ice system is designed to be installed indoors,in a controlled environment:Min MaxAir Temperature 500F1

To Remove the Water Seal: (Assuming all steps to remove the auger havebeen performed.)1. The gear motor/evaporator assembly will haveto be exposed (if

Shut off the water supply before beginning.To Replace the Evaporator:(Assuming all the steps for removal of the thrustbearing, breaker, auger, and wat

SEALWATER SHEDSEALBEARINGDRIVE MOTOROUTPUT GEAR,OUTPUT SHAFT,AND BEARINGSREMOVAL AND REPLACEMENT: Gear motor AssemblyNote: There are two gear motors i

REFRIGERATION SYSTEM SERVICEGeneral:ALLENWRENCHTorque Stemto 6-8 ft. lb..Torque Cap to8-12 ft. lb..ACCESSVALVETorque Cap to7-12 ft. lb.. VA

WARNINGThese procedures require the machine to be connected to the power supply. The voltages of theelectronic circuit are very low, but HIGHER VOLTA

a. Move “water” switch on tester to No Waterposition. The No Water light on the circuit boardshould go ON. If not, replace the circuit board.b. Mov

REMOTE CONDENSER SPECIFICATIONSOther Required Items:RTE25 Precharged line set, 25’, R-404A - 2 required. Or: RTE40. Precharged line set, 40’, R-404A -

FOR THE INSTALLERLocationAfter uncrating and inspection, the unit is ready forinstallation. It is important that the machine beinstalled in a location

FOR THE INSTALLER: Remote CondenserLocationLimited to a 40 foot or a 25 foot length ofprecharged refrigerant tubing connecting the icemaker to the rem

COUPLING INSTRUCTIONSCAUTIONThe couplings on the sets of precharged lines areself sealing when installed properly. Carefullyfollow the instructions:1

FOR THE INSTALLER: LocationREMOTECONDENSEREXCESSPRECHARGEDTUBING INSIDEBUILDINGICE MAKERSERVICEACCESSSERVICE ACCESSSIDE AND BACKROOFCUTAWAYWALLCUTAWA

FOR THE PLUMBERCONFORM TO ALL APPLICABLE CODESWater InletThe recommended water supply iscold water. Use 3/8" O.D. coppertubing, connect to the 3