Scotsman NME1854 Bedienungsanleitung

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

COMPONENT DESCRIPTIONControl Box: Contains the electrical controls thatoperate the machine.High Pressure Cut Out Switch: An automatic resetswitch sens

COMPONENT DESCRIPTIONEvaporator: A refrigerated vertical tube filled withwater and containing a water seal and auger.Auger: A solid stainless steel do

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

NME1854 & FME2404January 2000Page 13ELECTRICAL SEQUENCEThere are 7 indicator lights on the control board:·WTR-OK (Water OK). Green. Normal =Glowin

OPERATION: PerformanceTypical Low Side Pressure·Air Cooled: 34 - 38 PSIG·Water Cooled: 32 PSIGTypical Discharge Pressure·Air Cooled: 220 - 275 PSIG·Wa

OPERATION: WaterWater enters the machine through the 3/8" maleflare at the rear of the cabinet, splits into twoseparate lines, flows to each wate

NME1854 & FME2404January 2000Page 16OPERATION: RefrigerationBeginning at the compressor, refrigerant iscompressed into a high temperature gas. The

CLEANING and SANITATIONA Scotsman Ice System represents a sizable investment of time and money in any company’s business. Inorder to receive the best

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, remove thebin

BEARING MAINTENANCECheck each top evaporator bearing at least twotimes per year.A. Check the bearing by:·removing the ice chute cover·unscrewing the i

FOR THE INSTALLERThe FME2404 and theNME1854 are modular flakersdesigned to fit the followingScotsman storage bins:·B90 and extensions (with bintop KBT

NME1854 & FME2404January 2000Page 20Clean or replace the air filters regularly.Clean each air cooled condenser. Use a vacuumcleaner or coil cleane

NME1854 & FME2404January 2000Page 21In some areas the water supply to the ice machinewill have a great deal of minerals in it, and that willresult

NME1854 & FME2404January 2000Page 22SERVICE DIAGNOSIS:No ice is made, nothing operates Unit off due to no power Restore PowerUnit off due to maste

SERVICE DIAGNOSISSymptom Possible Cause Probable CorrectionWater Leak Drain plugged up Clean out drainTubing cracked Replace tubingCondensation on dra

NME1854 & FME2404January 2000Page 24CONTROL SYSTEM DIAGNOSTICSThe control system consists of:·Control Board·Water Sensor·Ice Sensors·High Pressure

WATER RESERVOIR1. Shut off water supply.2. Remove front panel.3. Remove reservoir cover.4. Disconnect water inlet tube from reservoir inletfitting.5.

NME1854 & FME2404January 2000Page 26REMOVAL AND REPLACEMENT: Bearing And BreakerNote: Removal of the auger, water seal, evaporatorand gear motor m

NME1854 & FME2404January 2000Page 27To Remove the Auger:Turn off the water to the machine, and unclip theevaporator drain hose, pull it down and d

NME1854 & FME2404January 2000Page 28To Remove the Water Seal:(Assuming all steps to remove the auger have beenperformed.)1. The gear motor/evapora

NME1854 & FME2404January 2000Page 29To Replace the Evaporator:(Assuming all the steps for removal of the thrustbearing, breaker, auger, and water

Installation Limitations:This ice system is designed to be installed indoors,in a controlled environment:Min MaxAir Temperature 500F 1000FWater Temper

NME1854 & FME2404January 2000Page 30REMOVAL AND REPLACEMENT: GearmotorCOVER &OUTPUT GEARASSEMBLYCENTRIFUGALSWITCHAUGER DRIVE MOTORROTOR BEARIN

REMOVAL AND REPLACEMENT: FansNME1854 & FME2404January 2000Page 31Removing Condenser Fan Motor Assembly1. Remove the top panel.2. Unplug the two fa

NME1854 & FME2404January 2000Page 32REFRIGERATION SERVICEGeneral: This ice machine uses R-404A refrigerantand polyolester oil. Do NOT use mineral

FOR THE INSTALLERLocation:After uncrating and inspection the unit is ready forinstallation. Install the machine in a location whereit has enough space

NME1854 & FME2404January 2000Page 5FOR THE INSTALLER: LocationALLOW ROOMFOR AIRCIRCULATIONAND SERVICEACCESSDO NOT STACK ANYTHING INFRONT OF THE MA

FOR THE PLUMBERCONFORM TO ALL APPLICABLE CODESWater InletAir Cooled Models: Connect to a water supplythat is cold and potable. Use38" O.D. copper

FOR THE ELECTRICIANCONFORM TO ALL APPLICABLE CODESConnect electrical power to the leads in thejunction box at the rear of the machine.Check the namepl

FOR THE INSTALLERFinal Check List______1. Is the ice system installed indoors in alocation where the air and watertemperatures are controlled, and whe

START UPPre-Start Inspection1. Remove the front and side service panels.2. Check that any shipping blocks have beenremoved.3. Inspect the interior of