Manuals / Hoshizaki / Kitchen Appliance / Ice Maker

Hoshizaki KM-630MRF, KM-630MAF service manual b KM-630MWF

Models: KM-630MRF KM-630MWF KM-630MAF

1 61

Download 61 pages 5.91 Kb

Page 26

Manual background

[b] KM-630MWF

26

Image 26

Hoshizaki KM-630MRF, KM-630MAF service manual b KM-630MWF

Contents

HOSHIZAKI MODULAR CRESCENT CUBER SERVICE MANUALKM-630MAF KM-630MWF KM-630MRF MODELHOSHIZAKI AMERICA, INC 618 Highway 74 South Peachtree City, GA CONTENTS PAGEa REFRIGERANT RECOVERY V. REMOVAL AND REPLACEMENT OF COMPONENTSSERVICE FOR REFRIGERANT LINES REMOVAL AND REPLACEMENT OF COMPRESSORI. SPECIFICATIONS 1. KM-630MAF 2. KM-630MWF 3. KM-630MRF 4. CONDENSER UNIT URC-6F SPECIFICATIONS MODEL URC-6FII. GENERAL INFORMATION 1. CONSTRUCTION a KM-630MAFb KM-630MWF c KM-630MRF 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 SafetiesHarvest Cycle 1 beep every 3 sec. = High Evaporator Temperature 127 F1 Minute Fill Cycle Freeze CycleControl Products HOS-001A Board c SEQUENCE 1st Cycle IMPORTANT Water Valve opening is limited to 6 minutes2nd 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 i Disconnect the connector K3 on the board Temperature FCheck a thermistor for resistance by using the following procedures 2 Defrost TimerSETTING 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-630MAFb KM-630MWF c KM-630MRF 2. WIRING DIAGRAMS a KM-630MAF and KM-630MWFb KM-630MRF U1GMA0179608From Defrost Cycle To Defrost Cycle 3. TIMING CHARTIf Float Sw. is OFF To Freeze Cycle From Freeze Cycle 4. PERFORMANCE DATA a KM-630MAF b KM-630MWF c KM-630MRF POSSIBLE CAUSE IV. SERVICE DIAGNOSIS 1. NO ICE PRODUCTIONPROBLEM REMEDYREMEDY PROBLEMPOSSIBLE CAUSE REMEDY PROBLEMPOSSIBLE CAUSE PROBLEM 2. EVAPORATOR IS FROZEN UP3. LOW ICE PRODUCTION PROBLEMSolenoid Valve, water system 4. ABNORMAL ICE5. OTHERS a 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 18 Turn on the power supply 17 Replace the panels in their correct positionsKM9311 4. REMOVAL AND REPLACEMENT OF DRIER5. REMOVAL AND REPLACEMENT OF EXPANSION VALVE 6. REMOVAL AND REPLACEMENT OF HOT GAS VALVE AND LINE VALVE 5 Disconnect the Hot Gas Valve or Line Valve using brazing equipment 1 Turn off the power supply 2 Remove the panels3 Recover the refrigerant and store it in an approved container 6 Install the new valve7. 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 Min. 4-3/4 Liquid Bypass Flow13. 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 STORAGE3 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 CLOSED POSITION OPEN POSITIONa CLEANING PROCEDURE 22 Remove the Front Panel, and fully open the Cleaning Valve 20 Turn on the power supply to fill the Water Tank with water21 Turn off the power supply after 3 minutes 23 Move the Control Switch to the “Wash” positionb SANITIZING PROCEDURE - Following Cleaning Procedure 3. MAINTENANCE