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Hoshizaki service manual KM-1300MAH KM-1300MWH KM-1300MRH, Modular Crescent Cuber, Hoshizaki

Models: KM-1300MRH KM-1300MAH KM-1300MWH

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AUG. 15, 2004

NO.73118

ISSUED:

AUG. 15, 2004

REVISED:

HOSHIZAKI

MODULAR CRESCENT CUBER

MODEL

KM-1300MAH

KM-1300MWH

KM-1300MRH

SERVICE MANUAL

1

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Hoshizaki service manual KM-1300MAH KM-1300MWH KM-1300MRH, Modular Crescent Cuber, Hoshizaki, Model, Aug

Contents

MODULAR CRESCENT CUBER KM-1300MAH KM-1300MWH KM-1300MRHHOSHIZAKI MODELHOSHIZAKI AMERICA, INC 618 Highway 74 South Complete and detailed explanation of the problemPeachtree City, GA Attn HOSHIZAKI Technical Support DepartmentCONTENTS V. REMOVAL AND REPLACEMENT OF COMPONENTS IV. SERVICE DIAGNOSISSERVICE FOR REFRIGERANT LINES a REFRIGERANT RECOVERY1.KM-1300MAH Air-cooled I.SPECIFICATIONSSerial No. L00001F to M10155C 2a. KM-1300MWH Water-cooledSerial No. M10156D 2b. KM-1300MWH Water-cooled3.KM-1300MRHRemote air-cooled 4.CONDENSING UNIT URC-12F SPECIFICATIONS MODEL URC-12F aKM-1300MAH Air-cooled II.GENERAL INFORMATION 1.CONSTRUCTIONb KM-1300MWH Water-cooled c KM-1300MRHRemote air-cooled 2. 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 c SEQUENCE 1st Cycle 2nd Cycle and after with pump drain 2nd Cycle and after with no pump drain d CONTROLS AND ADJUSTMENTS iDisconnect the connector K3 on the board Temperature F2 Defrost Timer SETTINGSETTING 3 Drain TimerDip Switch Dip Switche CHECKING THE CONTROLLER BOARD Page 1.WATER CIRCUIT AND REFRIGERANT CIRCUIT III.TECHNICAL INFORMATIONaKM-1300MAH Air-cooled b KM-1300MWH Water-cooled c KM-1300MRHRemote air-cooled aKM-1300MAH Air-cooledand KM-1300MWH Water-cooled 2.WIRING DIAGRAMSNote Pressure Switch b KM-1300MRHRemote air-cooledCut-out 412 ±21.3 PSIG3. TIMING CHART 1 The Pump Motor waits for 2 seconds before starting a drain cycle. See “II. 2. d CONTROLS AND ADJUSTMENTS.” 4.PERFORMANCE DATA aKM-1300MAH Air-cooled Serial # L00001F to M10155C b KM-1300MWH Water-cooledSerial # M10156D c KM-1300MWH Water-cooledd KM-1300MRHRemote air-cooled PROBLEM IV. SERVICE DIAGNOSIS 1. NO ICE PRODUCTIONPOSSIBLE CAUSE REMEDYPOSSIBLE CAUSE PROBLEMREMEDY POSSIBLE CAUSE PROBLEMREMEDY 3. LOW ICE PRODUCTION 2. EVAPORATOR IS FROZEN UP5. OTHERS 4. ABNORMAL ICEV.REMOVAL AND REPLACEMENT OF COMPONENTS IMPORTANT 1. SERVICE FOR REFRIGERANT LINESa REFRIGERANT RECOVERY bEVACUATION AND RECHARGE R-404A2.BRAZING DANGER 3.REMOVAL AND REPLACEMENT OF COMPRESSOR IMPORTANT 4. REMOVAL AND REPLACEMENT OF DRIER 5. REMOVAL AND REPLACEMENT OF EXPANSION VALVE 12Replace the panels in their correct positions 7.REMOVAL AND REPLACEMENT OF EVAPORATOR IMPORTANT 13Turn on the power supply Page 1Turn off the power supply 1.Fragile, handle very carefully 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. MAINTENANCE AND CLEANING INSTRUCTIONS3Wait 3 minutes 2. CLEANING aCLEANING PROCEDURE 17 Close the Cleaning Valve 11Close the Cleaning Valve 6Turn off the power supply after 15 minutes12Move the Control Switch to the “ICE” position 14Clean the Storage Bin with water3. MAINTENANCE