Manuals / Hoshizaki / Kitchen Appliance / Ice Maker

Hoshizaki KM-630MWH b1 KM-630MRHwith auxiliary codes L-0, M-0, M-1, Note Pressure Switch, Cut-out

Models: KM-630MAH KM-630MRH KM-630MWH

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[b1] KM-630MRH (with auxiliary codes L-0, M-0, M-1)

[b1] KM-630MRH (with auxiliary codes L-0, M-0, M-1)

Note: Pressure Switch

Cut-out	412	+ 21	PSIG
		- 0
Cut-in	327 ± 21		PSIG

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U1GMA0179608

Image 33

Hoshizaki KM-630MWH b1 KM-630MRHwith auxiliary codes L-0, M-0, M-1, Note Pressure Switch, Cut-out, Psig, Cut-in, 327 ±

Contents

KM-630MAH KM-630MWH KM-630MRH HOSHIZAKI MODULAR CRESCENT CUBERMODEL Page CONTENTS V. REMOVAL AND REPLACEMENT OF COMPONENTS IV. SERVICE DIAGNOSIS1. SERVICE FOR REFRIGERANT LINES a REFRIGERANT RECOVERYKM-630MAH SPECIFICATIONS2a. KM-630MWHSerial #L00001D - M20270B 2b. KM-630MWHSerial #M20301E 3. KM-630MRH URC-6F 4. CONDENSER UNITMODEL URC-6F SPECIFICATIONSII.GENERAL INFORMATION 1. CONSTRUCTION aKM-630MAHMechanical Bin Control b KM-630MWH Spray Tubes Control Switch c KM-630MRHExpansion Valve Compressor Float Switch Water Pump Mechanical2. CONTROLLER BOARD Features of Control Products “E” Controller Boarda SOLID-STATECONTROL b CONTROLLER BOARD3High Temperature Safety - 127 ± 7F 2Defrost Timer4Low Water Safety 6LED Lights and Audible Alarm SafetiesHarvest Cycle 1 Minute Fill CycleFreeze Cycle Reverse Pump OutControl Products HOS-001ABoard cSEQUENCE 1st Cycle 2nd Cycle and after with pump drain 2nd Cycle and after with no pump drain d CONTROLS AND ADJUSTMENTS FOR MODELS WITH MECHANICAL BIN CONTROLFOR MODELS WITH THERMOSTAT Temperature F Switch Nos. 9 andiDisconnect the connector K3 on the board 1 Defrost ControlSETTING 2 Defrost TimerDip Switch Dip SwitchMODELS WITH THERMOSTAT e CHECKING THE CONTROLLER BOARD MODELS WITH MECHANICAL BIN CONTROLaPROXIMITY SWITCH 3. MECHANICAL BIN CONTROLbEXPLANATION OF OPERATION cTROUBLESHOOTING MECHANICAL BIN CONTROL ONLY III. TECHNICAL INFORMATION 1.WATER CIRCUIT AND REFRIGERANT CIRCUITaKM-630MAH b KM-630MWH c KM-630MRH 2. WIRING DIAGRAMS Page Note Pressure Switch b1 KM-630MRHwith auxiliary codes L-0, M-0, M-1Cut-out PSIGb2 KM-630MRHwith auxiliary codes M-2and after 3. TIMING CHART Page a KM-630MAH 4.PERFORMANCE DATA1250 1332b1 KM-630MWHSerial #L00001D - M20270B b2 KM-630MWHSerial #M20301E APPROXIMATE ICE c KM-630MRH1332 1414PROBLEM IV. SERVICE DIAGNOSIS 1. NO ICE PRODUCTIONPOSSIBLE CAUSE REMEDYPROBLEM POSSIBLE CAUSEREMEDY PROBLEM POSSIBLE CAUSEREMEDY 2. EVAPORATOR IS FROZEN UP 3. LOW ICE PRODUCTION 4. ABNORMAL ICE5. OTHERS 1.SERVICE FOR REFRIGERANT LINES V. REMOVAL AND REPLACEMENT OF COMPONENTSa REFRIGERANT RECOVERY bEVACUATION AND RECHARGE R-404A2. BRAZING DANGER 3.REMOVAL AND REPLACEMENT OF COMPRESSOR IMPORTANT 17Replace the panels in their correct positions 18Turn on the power supply5.REMOVAL AND REPLACEMENT OF EXPANSION VALVE 4. REMOVAL AND REPLACEMENT OF DRIER7Install the new Drier 6Install the new valve 1Turn off the power supply 2Remove the panels7Install the new Drier 14Turn on the power supply7.REMOVAL AND REPLACEMENT OF EVAPORATOR IMPORTANT 1Turn off the power supply Page 1Turn off the power supply 11.REMOVAL AND REPLACEMENT OF THERMISTOR CAUTION 12. 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 1. PREPARING THE ICEMAKER FOR LONG STORAGE VI. CLEANING AND MAINTENANCE INSTRUCTIONSPage 2. CLEANING AND SANITIZING PROCEDURES aCLEANING PROCEDURE 23Move the Control Switch to the “Wash” position 21Turn off the power supply after 3 minutes26Turn off the power supply after 5 minutes 19Replace the Front Panel in its correct positionb SANITIZING PROCEDURE 3. MAINTENANCE