Scotsman NM650R Manual de servicio

INTRODUCTIONTo the owner or user: The service manualyou are reading is intended to provide you,and the maintenance or service technician,with the inf

FOR THE ELECTRICIANCONFORM TO ALL APPLICABLE CODESThe electrical power to the unit is suppliedthrough the junction box at the rear of themachine.Check

///////////////////////////WARNING/////////////////////////////Do all wiring with the electrical powerdisconnected.///////////////////////////////////

6. Check phasing of the electrical circuit asfollows:A. The phasing of the wiring MUST now bechecked, as incorrect phasing will result in afailure o

FOR THE INSTALLER: Completed InstallationROOF CUT-AWAYINSULATEDPRECHARGEDREFRIGERANTTUBINGA typical installation should generally appearas illustrated

FOR THE INSTALLER: Final Check List1. Is the ice system installedindoors in a location wherethe air and watertemperatures are controlled,and where the

START UPPre-Start Inspection1. Remove the front, left, and right sideservice panels.2. Check that any styrofoam shipping blockshave been removed.3. In

COMPONENT DESCRIPTIONControl Box: Contains the electrical controlsthat operate the machine.High Pressure Cut Out: A manual resetswitch sensing 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.If the machine is switched off at the masterswitch, but is otherwise ready to go, switchingthe master switch to ON

OPERATION: WaterWater enters the machine through the 3/8"male flare at the rear of the cabinet, goes tothe water reservoir which it enters throug

FOR THE INSTALLERThe NM650R is designed to fit the followingScotsman storage bins:••B590 and extentions, with bin top KBT18.••BH800 using bin top KBT1

OPERATION: RefrigerationBeginning at the compressor, the refrigerant502 is compressed into a high temperaturegas. The discharge line directs this gas

OPERATION: RefrigerationLow Condensing TemperatureThe refrigeration system under low condenserair temperatures is much the same as it isunder higher t

OPERATION: RefrigerationPUMP DOWNDuring the pump down cycle (usually initiatedby the circuit board de-energizing the liquidline valve) the discharge g

MAINTENANCE AND CLEANING//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////

/////////////////////////////WARNING///////////////////////////Disconnect electrical power before beginning.//////////////////////////////////////////

MAINTENANCE AND CLEANINGIn some areas the water supply to theicemaker will have a great deal of minerals init, and that will result in ann evaporator

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

G. 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 ProducedSTATUS: GEARMOTOR OPERATES, COMPRESSOR DOES NOTA. Check the pump down control switch.1. This press

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

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

WATER RESERVOIR1. Shut off the water supply to the icemaker.2. Remove front panel and reservoir cover.3. To remove float only, pry the mountingflanges

REMOVAL AND REPLACEMENT: Bearing And BreakerNote: Removal of the auger, water seal,evaporator and gearmotor must begin at thetop of the assembly.To Re

To Remove the Auger:Turn off the water to the machine, and unclipthe evaporator drain hose, pull it down anddrain the evaporator 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 willhave to be pulled away

1. Discharge the refrigerant from the icemaker.2. Unsweat the refrigerant connections: a) At the thermostatic expansion valve outlet./////////////////

OUTPUT GEAR,OUTPUT SHAFT,AND BEARINGSGASKETGEARCASEDRIVE MOTORBEARINGSEALWATER SHEDSEALREMOVAL AND REPLACEMENT: Gearmotor Assembly////////////////////

1. Remove the electrical wires from the geardrive motor.2. Unscrew the 4 cap screws holding thegearmotor to the gearmotor plate.3. Remove the gearmoto

CIRCUIT BOARD TESTINGINSTRUCTIONS FOR USING TESTER MODEL FC1 (Optional, order part no. A33942-001)(These instructions assume that the unit will not r

CIRCUIT BOARD TESTINGWater Level1. Unplug “water sen” connector from controlboard.2. Plug “water sen” connector from Scotsmantester into circuit boa

REMOTE CONDENSER SPECIFICATIONS22"27.81"19.86"5.75"1/2" MALE QUICK CONNECTCOUPLING FOR USE WITHRT625 OR RT640PRECHARGED LINE

FOR THE INSTALLERLocationAfter uncrating and inspection, the unit isready for installation. It is important that themachine be installed in a location

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

COUPLING INSTRUCTIONS/////////////////////////////CAUTION/////////////////////////////The couplings on the sets of precharged linesare self sealing wh

FOR THE INSTALLER: LocationTWO UNITS ON ONECONDENSERREMOTECONDENSEREXCESSPRECHARGEDTUBING INSIDEBUIDLINGICEMAKERSSERVICEACCESSSERVICE ACCESSSIDE AND

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