Manuals / Hoshizaki / Kitchen Appliance / Ice Maker

Hoshizaki KM-2000SWH3, KM2000SWF3, KM-2000SRH3, KM-2000SRF3 service manual Timing Chart

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

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3. TIMING CHART

3. TIMING CHART

*1 The icemaker does not complete a defrost cycle in the first 2 or 3 minutes. See “II. 2. [d] CONTROLS AND ADJUSTMENTS.”

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Hoshizaki KM-2000SWH3, KM2000SWF3, KM-2000SRH3, KM-2000SRF3 service manual Timing Chart

Contents

OCT SERVICE MANUALMODEL KM-2000SWF3 KM-2000SRF3 KM-2000SWH3 KM-2000SRH3 HOSHIZAKI STACKABLE CRESCENT CUBERAttn HOSHIZAKI Technical Support Department Phone 1-800-233-1940 Technical ServiceComplete and detailed explanation of the problem HOSHIZAKI AMERICA, INC 618 Highway 74 South Peachtree City, GACONTENTS KM-2000SWF3, KM-2000SWH3 Water-cooled, 3 phaseKM-2000SRF3, KM-2000SRH3 Remote air-cooled, 3 phase REMOVAL AND REPLACEMENT OF HOT GAS VALVE REMOVAL AND REPLACEMENT OF COMPRESSORREMOVAL AND REPLACEMENT OF DRIER REMOVAL AND REPLACEMENT OF EXPANSION VALVEI. SPECIFICATIONS 1. KM-2000SWF3, KM-2000SWH3 Water-cooled 2. KM-2000SRF3, KM-2000SRH3 Remote air-cooled URC-20F 3. CONDENSING UNITSPECIFICATIONS MODEL URC-20F a KM-2000SWF3, KM-2000SWH3 II. GENERAL INFORMATION 1. CONSTRUCTIONb KM-2000SRF3, KM-2000SRH3 b CONTROLLER BOARD Features of Control Products “E” Controller Board2. CONTROLLER BOARD a SOLID-STATE CONTROL6 LED Lights and Audible Alarm Safeties 2 Defrost Timer3 High Temperature Safety - 127 ± 7F 4 Low Water SafetyFreeze Cycle 1 beep every 3 sec. = High Evaporator Temperature 127 F1 Minute Fill Cycle Harvest CycleControl Products HOSHIZAKI001 Board Control Products HOS-001A Board 1st Cycle KM-2000SWF3, KM-2000SRF3, KM-2000SWH3 and KM-2000SRH3 c SEQUENCE2nd Cycle and after with pump drain KM-2000SWF3, KM-2000SRF3, KM-2000SWH3 and KM-2000SRH3IMPORTANT Water Valve opening is limited to 6 minutes 2nd Cycle and after with no pump drain KM-2000SWF3, KM-2000SRF3, KM-2000SWH3 and KM-2000SRH3IMPORTANT Water Valve opening is limited to 6 minutes d CONTROLS AND ADJUSTMENTS KM-2000SF3KM-2000SH3 Resistance k Ω Dip Switch 3 Drain TimerThe Drain Timer is factory-adjusted, and no adjustment is required SETTINGe CHECKING THE CONTROLLER BOARD After the 1 minute water supply cycle, the defrost cycle starts At this point, the unit should start the defrost cycle1. WATER CIRCUIT AND REFRIGERANT CIRCUIT a KM-2000SWF3, KM-2000SWH3 III. TECHNICAL INFORMATIONb KM-2000SRF3, KM-2000SRH3 KM-2000SRF3, KM-2000SRH3 2. WIRING DIAGRAMSa KM-2000SWF3 KM-2000SWH3 b KM-2000SRF3 KM-2000SRH3 KM-2000SWF3, KM-2000SWH33. TIMING CHART Page 4. PERFORMANCE DATA a KM-2000SWF3, KM-2000SWH3 b KM-2000SRF3, KM-2000SRH3 REMEDY IV. SERVICE DIAGNOSIS 1. NO ICE PRODUCTIONPROBLEM POSSIBLE CAUSEPROBLEM POSSIBLE CAUSEREMEDY PROBLEM POSSIBLE CAUSEREMEDY REMEDY 2. EVAPORATOR IS FROZEN UPPROBLEM POSSIBLE CAUSESolenoid Valve, water system 3. LOW ICE PRODUCTION4. ABNORMAL ICE 5. OTHERSb EVACUATION AND RECHARGE R-404A V. REMOVAL AND REPLACEMENT OF COMPONENTS1. SERVICE FOR REFRIGERANT LINES 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 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 Foam Insulation 11. REMOVAL AND REPLACEMENT OF THERMISTOR CAUTIONThermistor Lead Cable Tie12. 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 until the proper ambient temperature is resumed 2 Move the Control Switch to the “OFF” position 2 Move the Control Switch, on the Control Box, to the “OFF” position7 Move the Control Switch to the “ICE” position 3 Drain the Potable Water Tank 1 Turn off the power supply2. CLEANING PROCEDURE a CLEANING PROCEDURE 22 Move the Control Switch to the “Wash” position 19 Turn on the power supply to fill the Water Tank with water20 Turn off the power supply after 3 minutes 21 Remove the Front Panel, and fully open the Cleaning Valveb SANITIZING PROCEDURE - Following Cleaning Procedure 3. MAINTENANCE