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Hoshizaki KM-1300MWH, KM-1300MAH service manual 3.KM-1300MRHRemote air-cooled

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

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3.KM-1300MRH (Remote air-cooled)

3.KM-1300MRH (Remote air-cooled)

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Hoshizaki KM-1300MWH, KM-1300MAH service manual 3.KM-1300MRHRemote air-cooled

Contents

KM-1300MAH KM-1300MWH KM-1300MRH MODULAR CRESCENT CUBERHOSHIZAKI MODELComplete and detailed explanation of the problem HOSHIZAKI AMERICA, INC 618 Highway 74 SouthPeachtree City, GA Attn HOSHIZAKI Technical Support DepartmentCONTENTS IV. SERVICE DIAGNOSIS V. REMOVAL AND REPLACEMENT OF COMPONENTSSERVICE FOR REFRIGERANT LINES 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 Features of Control Products “E” Controller Board 2. CONTROLLER BOARDa SOLID-STATECONTROL b CONTROLLER BOARD2Defrost Timer 3High Temperature Safety - 127 ± 7F4Low Water Safety 6LED Lights and Audible Alarm Safeties1 Minute Fill Cycle Harvest 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 Temperature F iDisconnect the connector K3 on the board2 Defrost Timer SETTING3 Drain Timer SETTINGDip Switch 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 2.WIRING DIAGRAMS aKM-1300MAH Air-cooledand KM-1300MWH Water-cooledb KM-1300MRHRemote air-cooled Note Pressure SwitchCut-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 b KM-1300MWH Water-cooled Serial # L00001F to M10155Cc KM-1300MWH Water-cooled Serial # M10156Dd KM-1300MRHRemote air-cooled IV. SERVICE DIAGNOSIS 1. NO ICE PRODUCTION PROBLEMPOSSIBLE CAUSE REMEDYREMEDY PROBLEMPOSSIBLE CAUSE REMEDY PROBLEMPOSSIBLE CAUSE 2. EVAPORATOR IS FROZEN UP 3. LOW ICE PRODUCTION4. ABNORMAL ICE 5. OTHERS1. SERVICE FOR REFRIGERANT LINES V.REMOVAL AND REPLACEMENT OF COMPONENTS IMPORTANTa 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 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 6Turn off the power supply after 15 minutes 11Close the Cleaning Valve12Move the Control Switch to the “ICE” position 14Clean the Storage Bin with water3. MAINTENANCE