Manuals / Hoshizaki / Kitchen Appliance / Ice Maker

Hoshizaki KM-1300MRH, KM-1300MAH service manual c KM-1300MWH Water-cooled, Serial # M10156D

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

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[c] KM-1300MWH (Water-cooled)

[c] KM-1300MWH (Water-cooled)

Serial # M10156D-

Note: Pressure data is recorded first 5 minutes in freezing cycle. The data not in bold should be used for reference. We reserve the right to make changes in specifications and design without prior notice.

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Hoshizaki KM-1300MRH, KM-1300MAH service manual c KM-1300MWH Water-cooled, Serial # M10156D

Contents

MODEL KM-1300MAH KM-1300MWH KM-1300MRHMODULAR CRESCENT CUBER HOSHIZAKIAttn HOSHIZAKI Technical Support Department Complete and detailed explanation of the problemHOSHIZAKI AMERICA, INC 618 Highway 74 South Peachtree City, GACONTENTS a REFRIGERANT RECOVERY IV. SERVICE DIAGNOSISV. REMOVAL AND REPLACEMENT OF COMPONENTS SERVICE FOR REFRIGERANT LINES1.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 b CONTROLLER BOARD Features of Control Products “E” Controller Board2. CONTROLLER BOARD a SOLID-STATECONTROL6LED Lights and Audible Alarm Safeties 2Defrost Timer3High Temperature Safety - 127 ± 7F 4Low Water SafetyReverse Pump Out 1 Minute Fill CycleHarvest Cycle Freeze CycleControl 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 SETTING Temperature FiDisconnect the connector K3 on the board 2 Defrost TimerDip Switch 3 Drain TimerSETTING Dip Switche CHECKING THE CONTROLLER BOARD Page aKM-1300MAH Air-cooled III.TECHNICAL INFORMATION1.WATER CIRCUIT AND REFRIGERANT CIRCUIT b KM-1300MWH Water-cooled c KM-1300MRHRemote air-cooled aKM-1300MAH Air-cooledand KM-1300MWH Water-cooled 2.WIRING DIAGRAMS412 ±21.3 PSIG b KM-1300MRHRemote air-cooledNote Pressure Switch Cut-out3. 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 REMEDY IV. SERVICE DIAGNOSIS 1. NO ICE PRODUCTIONPROBLEM POSSIBLE CAUSEREMEDY PROBLEMPOSSIBLE CAUSE REMEDY PROBLEMPOSSIBLE CAUSE 3. LOW ICE PRODUCTION 2. EVAPORATOR IS FROZEN UP5. OTHERS 4. ABNORMAL ICEbEVACUATION AND RECHARGE R-404A 1. SERVICE FOR REFRIGERANT LINESV.REMOVAL AND REPLACEMENT OF COMPONENTS IMPORTANT a REFRIGERANT RECOVERY2.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 14Clean the Storage Bin with water 6Turn off the power supply after 15 minutes11Close the Cleaning Valve 12Move the Control Switch to the “ICE” position3. MAINTENANCE