Manuals / Hoshizaki / Kitchen Appliance / Ice Maker

Hoshizaki II.GENERAL INFORMATION 1. CONSTRUCTION, aKM-630MAH, Mechanical Bin Control

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

1 67

Download 67 pages 19.6 Kb

Page 11

II.GENERAL INFORMATION

II.GENERAL INFORMATION

1. CONSTRUCTION

[a]KM-630MAH

Spray Tubes

Control Switch

Bin Control Thermostat (except models with

Mechanical Bin Control)

Expansion Valve

Compressor

Float Switch

Water Pump

Mechanical

Bin Control (except models with Thermostat)

Water Supply Inlet

Condenser

Hot Gas Valve

Fan Motor

Condenser

Drier

Control Box

11

Image 11

Hoshizaki KM-630MWH, KM-630MRH service manual II.GENERAL INFORMATION 1. CONSTRUCTION, aKM-630MAH, Mechanical Bin Control

Contents

MODEL KM-630MAH KM-630MWH KM-630MRHHOSHIZAKI MODULAR CRESCENT CUBER Page CONTENTS a REFRIGERANT RECOVERY IV. SERVICE DIAGNOSISV. REMOVAL AND REPLACEMENT OF COMPONENTS 1. SERVICE FOR REFRIGERANT LINESKM-630MAH SPECIFICATIONS2a. KM-630MWHSerial #L00001D - M20270B 2b. KM-630MWHSerial #M20301E 3. KM-630MRH URC-6F 4. CONDENSER UNITMODEL URC-6F SPECIFICATIONSMechanical Bin Control II.GENERAL INFORMATION 1. CONSTRUCTIONaKM-630MAH b KM-630MWH Water Pump Mechanical c KM-630MRHSpray Tubes Control Switch Expansion Valve Compressor Float Switchb CONTROLLER BOARD Features of Control Products “E” Controller Board2. CONTROLLER BOARD a SOLID-STATECONTROL6LED Lights and Audible Alarm Safeties 2Defrost Timer3High Temperature Safety - 127 ± 7F 4Low Water SafetyReverse Pump Out 1 Minute Fill CycleHarvest Cycle Freeze CycleControl Products HOS-001ABoard cSEQUENCE 1st Cycle 2nd Cycle and after with pump drain 2nd Cycle and after with no pump drain FOR MODELS WITH THERMOSTAT d CONTROLS AND ADJUSTMENTSFOR MODELS WITH MECHANICAL BIN CONTROL 1 Defrost Control Switch Nos. 9 andTemperature F iDisconnect the connector K3 on the boardDip Switch 2 Defrost TimerSETTING Dip SwitchMODELS WITH THERMOSTAT e CHECKING THE CONTROLLER BOARD MODELS WITH MECHANICAL BIN CONTROLbEXPLANATION OF OPERATION aPROXIMITY SWITCH3. MECHANICAL BIN CONTROL cTROUBLESHOOTING MECHANICAL BIN CONTROL ONLY aKM-630MAH III. TECHNICAL INFORMATION1.WATER CIRCUIT AND REFRIGERANT CIRCUIT b KM-630MWH c KM-630MRH 2. WIRING DIAGRAMS Page PSIG b1 KM-630MRHwith auxiliary codes L-0, M-0, M-1Note Pressure Switch Cut-outb2 KM-630MRHwith auxiliary codes M-2and after 3. TIMING CHART Page 1332 4.PERFORMANCE DATAa KM-630MAH 1250b1 KM-630MWHSerial #L00001D - M20270B b2 KM-630MWHSerial #M20301E 1414 c KM-630MRHAPPROXIMATE ICE 1332REMEDY IV. SERVICE DIAGNOSIS 1. NO ICE PRODUCTIONPROBLEM POSSIBLE CAUSEREMEDY PROBLEMPOSSIBLE CAUSE REMEDY PROBLEMPOSSIBLE CAUSE 2. EVAPORATOR IS FROZEN UP 5. OTHERS 3. LOW ICE PRODUCTION4. ABNORMAL ICE bEVACUATION 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 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 14Turn on the power supply 1Turn off the power supply 2Remove the panels6Install the new valve 7Install the new Drier7.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 19Replace the Front Panel in its correct position 21Turn off the power supply after 3 minutes23Move the Control Switch to the “Wash” position 26Turn off the power supply after 5 minutesb SANITIZING PROCEDURE 3. MAINTENANCE