Manuals / Hoshizaki / Kitchen Appliance / Ice Maker

Hoshizaki service manual KM-630MAH KM-630MWH KM-630MRH, Hoshizaki Modular Crescent Cuber

Models: KM-630MAH KM-630MRH KM-630MWH

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HOSHIZAKI

NO.:73114

ISSUED: JUNE 23, 2004

HOSHIZAKI

MODULAR CRESCENT CUBER

MODEL

KM-630MAH

KM-630MWH

KM-630MRH

SERVICE MANUAL

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Hoshizaki service manual KM-630MAH KM-630MWH KM-630MRH, Hoshizaki Modular Crescent Cuber, Model

Contents

HOSHIZAKI MODULAR CRESCENT CUBER KM-630MAH KM-630MWH KM-630MRHMODEL Page CONTENTS V. REMOVAL AND REPLACEMENT OF COMPONENTS IV. SERVICE DIAGNOSIS1. SERVICE FOR REFRIGERANT LINES a REFRIGERANT RECOVERYKM-630MAH SPECIFICATIONS2a. KM-630MWHSerial #L00001D - M20270B 2b. KM-630MWHSerial #M20301E 3. KM-630MRH URC-6F 4. CONDENSER UNITMODEL URC-6F SPECIFICATIONSaKM-630MAH II.GENERAL INFORMATION 1. CONSTRUCTIONMechanical Bin Control b KM-630MWH Spray Tubes Control Switch c KM-630MRHExpansion Valve Compressor Float Switch Water Pump Mechanical2. CONTROLLER BOARD Features of Control Products “E” Controller Boarda SOLID-STATECONTROL b CONTROLLER BOARD3High Temperature Safety - 127 ± 7F 2Defrost Timer4Low Water Safety 6LED Lights and Audible Alarm SafetiesHarvest Cycle 1 Minute Fill CycleFreeze Cycle Reverse Pump OutControl Products HOS-001ABoard cSEQUENCE 1st Cycle 2nd Cycle and after with pump drain 2nd Cycle and after with no pump drain FOR MODELS WITH MECHANICAL BIN CONTROL d CONTROLS AND ADJUSTMENTSFOR MODELS WITH THERMOSTAT Temperature F Switch Nos. 9 andiDisconnect the connector K3 on the board 1 Defrost ControlSETTING 2 Defrost TimerDip Switch Dip SwitchMODELS WITH THERMOSTAT e CHECKING THE CONTROLLER BOARD MODELS WITH MECHANICAL BIN CONTROL3. MECHANICAL BIN CONTROL aPROXIMITY SWITCHbEXPLANATION OF OPERATION cTROUBLESHOOTING MECHANICAL BIN CONTROL ONLY 1.WATER CIRCUIT AND REFRIGERANT CIRCUIT III. TECHNICAL INFORMATIONaKM-630MAH b KM-630MWH c KM-630MRH 2. WIRING DIAGRAMS Page Note Pressure Switch b1 KM-630MRHwith auxiliary codes L-0, M-0, M-1Cut-out PSIGb2 KM-630MRHwith auxiliary codes M-2and after 3. TIMING CHART Page a KM-630MAH 4.PERFORMANCE DATA1250 1332b1 KM-630MWHSerial #L00001D - M20270B b2 KM-630MWHSerial #M20301E APPROXIMATE ICE c KM-630MRH1332 1414PROBLEM IV. SERVICE DIAGNOSIS 1. NO ICE PRODUCTIONPOSSIBLE CAUSE REMEDYPOSSIBLE CAUSE PROBLEMREMEDY POSSIBLE CAUSE PROBLEMREMEDY 2. EVAPORATOR IS FROZEN UP 4. ABNORMAL ICE 3. LOW ICE PRODUCTION5. OTHERS 1.SERVICE FOR REFRIGERANT LINES V. REMOVAL AND REPLACEMENT OF COMPONENTSa REFRIGERANT RECOVERY bEVACUATION AND RECHARGE R-404A2. BRAZING DANGER 3.REMOVAL AND REPLACEMENT OF COMPRESSOR IMPORTANT 17Replace the panels in their correct positions 18Turn on the power supply5.REMOVAL AND REPLACEMENT OF EXPANSION VALVE 4. REMOVAL AND REPLACEMENT OF DRIER7Install the new Drier 6Install the new valve 1Turn off the power supply 2Remove the panels7Install the new Drier 14Turn on the power supply7.REMOVAL AND REPLACEMENT OF EVAPORATOR IMPORTANT 1Turn off the power supply Page 1Turn off the power supply 11.REMOVAL AND REPLACEMENT OF THERMISTOR CAUTION 12. REMOVAL AND REPLACEMENT OF FAN MOTOR 14. REMOVAL AND REPLACEMENT OF PUMP MOTOR 13. REMOVAL AND REPLACEMENT OF WATER VALVE15. REMOVAL AND REPLACEMENT OF SPRAY TUBES 1. PREPARING THE ICEMAKER FOR LONG STORAGE VI. CLEANING AND MAINTENANCE INSTRUCTIONSPage 2. CLEANING AND SANITIZING PROCEDURES aCLEANING PROCEDURE 23Move the Control Switch to the “Wash” position 21Turn off the power supply after 3 minutes26Turn off the power supply after 5 minutes 19Replace the Front Panel in its correct positionb SANITIZING PROCEDURE 3. MAINTENANCE