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Hoshizaki KM-2400SRF3, KM-2400SRH3 service manual Timing Chart

Models: KM-2400SRF3 KM-2400SRH3

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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-2400SRF3, KM-2400SRH3 service manual Timing Chart

Contents

STACKABLE CRESCENT CUBER KM-2400SRF3 KM-2400SRH3 SERVICE MANUAL NUMBER ISSUED DEC. 23 REVISED DEC, 14Reliability is a beautiful thingTM Phone 1-800-233-1940 Technical Service Complete and detailed explanation of the problemHOSHIZAKI AMERICA, INC 618 Highway 74 South Peachtree City, GA Attn HOSHIZAKI Technical Support DepartmentCONTENTS REMOVAL AND REPLACEMENT OF EVAPORATOR REMOVAL AND REPLACEMENT OF CONDENSING PRESSUREREMOVAL AND REPLACEMENT OF THERMISTOR REMOVAL AND REPLACEMENT OF FAN MOTORI. SPECIFICATIONS KM-2400SRF3, KM-2400SRH3 Remote air-cooled, 3 phase2. CONDENSING UNIT, URC-24F SPECIFICATIONS MODEL URC-24F II. GENERAL INFORMATION 1. CONSTRUCTION Float SwitchPressure Switch Cleaning Valve Control BoxEvaporator Spray Tube Water ValveFeatures of Control Products “E” Controller Board 2. CONTROLLER BOARDa SOLID-STATE CONTROL b CONTROLLER BOARD2 Defrost Timer 3 High Temperature Safety - 127 ± 7F4 Low Water Safety 6 LED Lights and Audible Alarm Safeties1 beep every 3 sec. = High Evaporator Temperature 127 F 1 Minute Fill CycleHarvest 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 minutesd CONTROLS AND ADJUSTMENTS KM-2400SRF3KM-2400SRH3 Resistance k Ω 3 Drain Timer The Drain Timer is factory-adjusted, and no adjustment is requiredSETTING 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 CIRCUIT2. WIRING DIAGRAM High Pressure Switch ACB-2UB09 Cut-out 412 +210 PSIGCut-in 327 ± 21 PSIG3. TIMING CHART Page 4. PERFORMANCE DATA IV. SERVICE DIAGNOSIS 1. NO ICE PRODUCTION PROBLEMPOSSIBLE CAUSE REMEDYPROBLEM POSSIBLE CAUSEREMEDY PROBLEM POSSIBLE CAUSEREMEDY 2. EVAPORATOR IS FROZEN UP PROBLEMPOSSIBLE CAUSE REMEDY3. LOW ICE PRODUCTION 4. ABNORMAL ICE5. OTHERS Solenoid Valve, water systemV. REMOVAL AND REPLACEMENT OF COMPONENTS 1. SERVICE FOR REFRIGERANT LINESa REFRIGERANT RECOVERY 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 STORAGE2 Drain the Potable Water Tank 1 Turn off the power supply 2 Move the Control Switch to the “OFF” position5 Remove all ice from the Storage Bin, and clean the Storage Bin 4 Replace the removed parts in their correct positions2. CLEANING PROCEDURE a CLEANING PROCEDURE 19 Turn on the power supply to fill the Water Tank with water 20 Turn off the power supply after 3 to 5 minutes21 Remove the Front Panel, and fully open the Cleaning Valve 22 Move the Control Switch to the “Wash” positionb SANITIZING PROCEDURE - Following Cleaning Procedure 3. MAINTENANCE