Manuals / Hoshizaki / Kitchen Appliance / Ice Maker

Hoshizaki KM2000SWF3, KM-2000SWH3 service manual b KM-2000SRF3, KM-2000SRH3

Models: KM-2000SWH3 KM-2000SRF3 KM-2000SRH3 KM2000SWF3

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[b] KM-2000SRF3, KM-2000SRH3

[b] KM-2000SRF3, KM-2000SRH3

Evaporator	Spray Tube	Water Valve
		Expansion Valve	Water Supply Inlet
			Check Valve

Hot Gas Valve

Junction Box

Control Box

Receiver Tank

Water Pump

Line Valve

Float Switch

Transformer Box

Cleaning Valve

Drier

Compressor

Control Switch

Bin Control Thermostat

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Hoshizaki KM2000SWF3, KM-2000SWH3 service manual b KM-2000SRF3, KM-2000SRH3

Contents

HOSHIZAKI STACKABLE CRESCENT CUBER SERVICE MANUALMODEL KM-2000SWF3 KM-2000SRF3 KM-2000SWH3 KM-2000SRH3 OCTHOSHIZAKI 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 DepartmentKM-2000SWF3, KM-2000SWH3 Water-cooled, 3 phase CONTENTSKM-2000SRF3, KM-2000SRH3 Remote air-cooled, 3 phase REMOVAL AND REPLACEMENT OF EXPANSION VALVE REMOVAL AND REPLACEMENT OF COMPRESSORREMOVAL AND REPLACEMENT OF DRIER REMOVAL AND REPLACEMENT OF HOT GAS VALVEI. SPECIFICATIONS 1. KM-2000SWF3, KM-2000SWH3 Water-cooled 2. KM-2000SRF3, KM-2000SRH3 Remote air-cooled 3. CONDENSING UNIT URC-20FSPECIFICATIONS MODEL URC-20F II. GENERAL INFORMATION 1. CONSTRUCTION a KM-2000SWF3, KM-2000SWH3b KM-2000SRF3, KM-2000SRH3 a 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 SafetiesFreeze Cycle 1 Minute Fill CycleHarvest Cycle Reverse Pump OutControl Products HOSHIZAKI001 Board Control Products HOS-001A Board c SEQUENCE 1st Cycle KM-2000SWF3, KM-2000SRF3, KM-2000SWH3 and KM-2000SRH3KM-2000SWF3, KM-2000SRF3, KM-2000SWH3 and KM-2000SRH3 2nd Cycle and after with pump drainIMPORTANT Water Valve opening is limited to 6 minutes KM-2000SWF3, KM-2000SRF3, KM-2000SWH3 and KM-2000SRH3 2nd Cycle and after with no pump drainIMPORTANT Water Valve opening is limited to 6 minutes KM-2000SF3 d CONTROLS AND ADJUSTMENTSKM-2000SH3 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 CIRCUIT a KM-2000SWF3, KM-2000SWH3b KM-2000SRF3, KM-2000SRH3 KM-2000SWF3, KM-2000SWH3 2. WIRING DIAGRAMSa KM-2000SWF3 KM-2000SWH3 b KM-2000SRF3 KM-2000SRH3 KM-2000SRF3, KM-2000SRH33. TIMING CHART Page 4. PERFORMANCE DATA a KM-2000SWF3, KM-2000SWH3 b KM-2000SRF3, KM-2000SRH3 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 Page 9. ADJUSTMENT OF WATER REGULATING VALVE - WATER-COOLED MODEL ONLY Page Cable Tie 11. REMOVAL AND REPLACEMENT OF THERMISTOR CAUTIONThermistor Lead Foam Insulation12. 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 until the proper ambient temperature is resumed 3 Drain the Potable Water Tank 1 Turn off the power supply 2 Move the Control Switch, on the Control Box, to the “OFF” position7 Move the Control Switch to the “ICE” position 2 Move the Control Switch to the “OFF” position2. 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 minutes 22 Move the Control Switch to the “Wash” positionb SANITIZING PROCEDURE - Following Cleaning Procedure 3. MAINTENANCE