Manuals / Hoshizaki / Kitchen Appliance / Ice Maker

Hoshizaki KM-1300MAH, KM-1300MRH 2a. KM-1300MWH Water-cooled, Serial No. L00001F to M10155C

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

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2a. KM-1300MWH (Water-cooled)

2a. KM-1300MWH (Water-cooled)

Serial No. L00001F to M10155C

Note: We reserve the right to make changes in specifications and design without prior notice.

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Hoshizaki KM-1300MAH, KM-1300MRH service manual 2a. KM-1300MWH Water-cooled, Serial No. L00001F to M10155C

Contents

HOSHIZAKI KM-1300MAH KM-1300MWH KM-1300MRHMODULAR CRESCENT CUBER MODELPeachtree City, GA Complete and detailed explanation of the problemHOSHIZAKI AMERICA, INC 618 Highway 74 South Attn HOSHIZAKI Technical Support DepartmentCONTENTS SERVICE FOR REFRIGERANT LINES IV. SERVICE DIAGNOSISV. REMOVAL AND REPLACEMENT OF COMPONENTS a REFRIGERANT RECOVERYI.SPECIFICATIONS 1.KM-1300MAH Air-cooled2a. KM-1300MWH Water-cooled Serial No. L00001F to M10155C2b. KM-1300MWH Water-cooled Serial No. M10156D3.KM-1300MRHRemote air-cooled 4.CONDENSING UNIT URC-12F SPECIFICATIONS MODEL URC-12F II.GENERAL INFORMATION 1.CONSTRUCTION aKM-1300MAH Air-cooledb KM-1300MWH Water-cooled c KM-1300MRHRemote air-cooled a SOLID-STATECONTROL Features of Control Products “E” Controller Board2. CONTROLLER BOARD b CONTROLLER BOARD4Low Water Safety 2Defrost Timer3High Temperature Safety - 127 ± 7F 6LED Lights and Audible Alarm SafetiesFreeze Cycle 1 Minute Fill CycleHarvest 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 2 Defrost Timer Temperature FiDisconnect the connector K3 on the board SETTINGDip Switch 3 Drain TimerSETTING Dip Switche CHECKING THE CONTROLLER BOARD Page III.TECHNICAL INFORMATION 1.WATER CIRCUIT AND REFRIGERANT CIRCUITaKM-1300MAH Air-cooled b KM-1300MWH Water-cooled c KM-1300MRHRemote air-cooled 2.WIRING DIAGRAMS aKM-1300MAH Air-cooledand KM-1300MWH Water-cooledCut-out b KM-1300MRHRemote air-cooledNote Pressure Switch 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 b KM-1300MWH Water-cooled Serial # L00001F to M10155Cc KM-1300MWH Water-cooled Serial # M10156Dd KM-1300MRHRemote air-cooled POSSIBLE CAUSE IV. SERVICE DIAGNOSIS 1. NO ICE PRODUCTIONPROBLEM REMEDYPROBLEM POSSIBLE CAUSEREMEDY PROBLEM POSSIBLE CAUSEREMEDY 2. EVAPORATOR IS FROZEN UP 3. LOW ICE PRODUCTION4. ABNORMAL ICE 5. OTHERSa REFRIGERANT RECOVERY 1. SERVICE FOR REFRIGERANT LINESV.REMOVAL AND REPLACEMENT OF COMPONENTS IMPORTANT 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 13. REMOVAL AND REPLACEMENT OF WATER VALVE 14. REMOVAL AND REPLACEMENT OF PUMP MOTOR15. REMOVAL AND REPLACEMENT OF SPRAY TUBES VI. MAINTENANCE AND CLEANING INSTRUCTIONS 1. PREPARING THE ICEMAKER FOR LONG STORAGE3Wait 3 minutes 2. CLEANING aCLEANING PROCEDURE 17 Close the Cleaning Valve 12Move the Control Switch to the “ICE” position 6Turn off the power supply after 15 minutes11Close the Cleaning Valve 14Clean the Storage Bin with water3. MAINTENANCE