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Hoshizaki KM-2400SRF3 Iii. Technical Information, Water Circuit And Refrigerant Circuit

Models: KM-2400SRF3 KM-2400SRH3

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III.TECHNICAL INFORMATION

III.TECHNICAL INFORMATION

1.WATER CIRCUIT AND REFRIGERANT CIRCUIT

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Hoshizaki KM-2400SRF3, KM-2400SRH3 service manual Iii. Technical Information, Water Circuit And Refrigerant Circuit

Contents

NUMBER ISSUED DEC. 23 REVISED DEC, 14 STACKABLE CRESCENT CUBER KM-2400SRF3 KM-2400SRH3 SERVICE MANUALReliability is a beautiful thingTM HOSHIZAKI AMERICA, INC 618 Highway 74 South Peachtree City, GA Phone 1-800-233-1940 Technical ServiceComplete and detailed explanation of the problem Attn HOSHIZAKI Technical Support DepartmentCONTENTS REMOVAL AND REPLACEMENT OF THERMISTOR REMOVAL AND REPLACEMENT OF EVAPORATORREMOVAL AND REPLACEMENT OF CONDENSING PRESSURE REMOVAL AND REPLACEMENT OF FAN MOTORI. SPECIFICATIONS KM-2400SRF3, KM-2400SRH3 Remote air-cooled, 3 phase2. CONDENSING UNIT, URC-24F SPECIFICATIONS MODEL URC-24F Evaporator Spray Tube II. GENERAL INFORMATION 1. CONSTRUCTIONFloat SwitchPressure Switch Cleaning Valve Control Box Water Valvea SOLID-STATE CONTROL Features of Control Products “E” Controller Board2. CONTROLLER BOARD b CONTROLLER BOARD4 Low Water Safety 2 Defrost Timer3 High Temperature Safety - 127 ± 7F 6 LED Lights and Audible Alarm SafetiesHarvest Cycle 1 beep every 3 sec. = High Evaporator Temperature 127 F1 Minute Fill Cycle Freeze CycleControl Products HOSHIZAKI001 Board Control Products HOS-001A Board c SEQUENCE 1st Cycle 2nd Cycle and after with pump drain IMPORTANT Water Valve opening is limited to 6 minutes2nd Cycle and after with no pump drain IMPORTANT Water Valve opening is limited to 6 minutesKM-2400SRF3 d CONTROLS AND ADJUSTMENTSKM-2400SRH3 Resistance k Ω SETTING 3 Drain TimerThe Drain Timer is factory-adjusted, and no adjustment is required Dip Switche CHECKING THE CONTROLLER BOARD At this point, the unit should start the defrost cycle After the 1 minute water supply cycle, the defrost cycle startsIII. TECHNICAL INFORMATION 1. WATER CIRCUIT AND REFRIGERANT CIRCUITCut-in 2. WIRING DIAGRAMHigh Pressure Switch ACB-2UB09 Cut-out 412 +210 PSIG 327 ± 21 PSIG3. TIMING CHART Page 4. PERFORMANCE DATA POSSIBLE CAUSE IV. SERVICE DIAGNOSIS 1. NO ICE PRODUCTIONPROBLEM REMEDYPOSSIBLE CAUSE PROBLEMREMEDY POSSIBLE CAUSE PROBLEMREMEDY POSSIBLE CAUSE 2. EVAPORATOR IS FROZEN UPPROBLEM REMEDY5. OTHERS 3. LOW ICE PRODUCTION4. ABNORMAL ICE Solenoid Valve, water systema REFRIGERANT RECOVERY V. REMOVAL AND REPLACEMENT OF COMPONENTS1. SERVICE FOR REFRIGERANT LINES b EVACUATION 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 6. REMOVAL AND REPLACEMENT OF HOT GAS VALVE AND LINE VALVE 7. REMOVAL AND REPLACEMENT OF EVAPORATOR IMPORTANT 8. REMOVAL AND REPLACEMENT OF CONDENSING PRESSURE REGULATOR C.P.R 9. REMOVAL AND REPLACEMENT OF THERMISTOR CAUTION 10. REMOVAL AND REPLACEMENT OF FAN MOTOR 11. REMOVAL AND REPLACEMENT OF WATER VALVE 12. REMOVAL AND REPLACEMENT OF PUMP MOTOR15. REMOVAL AND REPLACEMENT OF SPRAY TUBES VI. CLEANING AND MAINTENANCE INSTRUCTIONS IMPORTANT 1. PREPARING THE ICEMAKER FOR LONG STORAGE5 Remove all ice from the Storage Bin, and clean the Storage Bin 2 Drain the Potable Water Tank 1 Turn off the power supply2 Move the Control Switch to the “OFF” position 4 Replace the removed parts in their correct positions2. CLEANING PROCEDURE a CLEANING PROCEDURE 21 Remove the Front Panel, and fully open the Cleaning Valve 19 Turn on the power supply to fill the Water Tank with water20 Turn off the power supply after 3 to 5 minutes 22 Move the Control Switch to the “Wash” positionb SANITIZING PROCEDURE - Following Cleaning Procedure 3. MAINTENANCE