Transcription of HOSHIZAKI MODULAR CRESCENT CUBER MODELS KML “F” …
1 HOSHIZAKIMODULAR CRESCENT CUBERSERVICE MANUALKML F SERIESKML H SERIESMODELSNO.:ISSUED:REVISED:AUG. 18, 1999 JAN. 13, 2004730852 IMPORTANTOnly qualified service technicians should attempt to service or maintain this service or maintenance should be undertaken until the technician has thoroughlyread this Service AMERICA, Highway 74 SouthPeachtree City, GA 30269 Attn: HOSHIZAKI Technical Support DepartmentPhone: 1-800-233-1940 Technical Service(770) 487-2331 Fax:(770) 487-3360 NOTE: To expedite assistance, all correspondence/communication MUST include the following information: model Number Serial Number Complete and detailed explanation of the problemHOSHIZAKI provides this manual primarily to assist qualified service technicians in theservice and maintenance of the the reader have any questions or concerns which have not been satisfactorilyaddressed, please call or write to the HOSHIZAKI Technical Support Department Please review this manual.
2 It should be read carefully before the icemaker is servicedor maintenance operations performed. Only qualified service technicians should serviceand maintain the icemaker. This manual should be made available to the technicianprior to service or PAGEI. SPECIFICATIONS .. 61. KML-250 MAH (Air-cooled) ..62. KML-250 MWH (Water-cooled) .. 73. KML-350 MAF (Air-cooled) ..84. KML-350 MWF (Water-cooled) .. 95. KML-350 MAH (Air-cooled) .. 106. KML-350 MWH (Water-cooled; Serial #L00001J through M20060C) .. 117. KML-350 MWH (Beginning Serial #M30061E) .. 128. KML-450 MAF (Air-cooled) .. 139. KML-450 MWF (Water-cooled) .. 1410. KML-450 MAH (Air-cooled) .. 1511. KML-450 MWH (Water-cooled; Serial #L00001D through M10530B) .. 1612. KML-450 MWH (Beginning Serial #M20531D).
3 1713. KML-600 MAF (Air-cooled) .. 1814. KML-600 MWF (Water-cooled) .. 1915. KML-600 MRF (Remote air-cooled) .. 2016. KML-600 MAH (Air-cooled) .. 2117. KML-600 MWH (Water-cooled; Serial #L00001D through M10115C) .. 22 18. KML-600 MWH (Water-cooled; Beginning Serial #M10121E) .. 2319. KML-600 MRH (Remote air-cooled) .. 2420. CONDENSER UNIT, URC-7F .. 25II. GENERAL INFORMATION ..271. CONSTRUCTION ..27[a] KML-250 MAH, KML-350 MAF, KML-350 MAH, KML-450 MAF, 27[b] KML-250 MWH, KML-350 MWF, KML-350 MWH, KML-450 MWF, KML-450 MWH ..28[c] KML-600 MAF, KML-600 MAH .. 29[d] KML-600 MWF, KML-600 MWH .. 30[e] KML-600 MRF, KML-600 MRH .. 312. CONTROLLER BOARD .. 32[a] SOLID-STATE CONTROL .. 32[b] CONTROLLER BOARD .. 32[c] SEQUENCE ..36[d] CONTROLS AND ADJUSTMENTS .. 39[e] CHECKING CONTROLLER BOARD .. 433. SWITCHES .. 444. MECHANICAL BIN CONTROL .. 45[a] PROXIMITY SWITCH .. 45[b] EXPLANATION OF OPERATION.
4 46[c] TROUBLESHOOTING .. 464 III. TECHNICAL INFORMATION .. 471. WATER CIRCUIT AND REFRIGERANT CIRCUIT .. 47[a] AIR-COOLED MODELS .. 47[b] WATER-COOLED MODELS .. 48[c] REMOTE AIR-COOLED MODELS .. 492. WIRING DIAGRAMS .. 50[a] KML-250 MAH (Beginning Serial #L00001E, ending Serial #M10460F); .. KML-250 MWH (Beginning Serial #L10001K, ending Serial #M10090D) .. 50[b] KML-250 MAH (Beginning Serial #M20461G); .. KML-250 MWH (Beginning Serial #M20091G) .. 51[c] KML-350 MAF, KML-350 MWF .. 52[d] KML-350 MAH (Beginning Serial #L00001L, ending Serial #M10290F); .. KML-350 MWH (Beginning Serial #L00001J, ending Serial #M30080F) .. 53[e] KML-350 MAH (Beginning Serial #M20291G); .. KML-350 MWH (Beginning Serial #M40081G) .. 54[f] KML-450 MAF, KML-450 MWF .. 55[g] KML-450 MAH (Beginning Serial #L00101C, ending Serial #L00950G); .. KML-450 MWH (Beginning Serial #L00001D, ending Serial #L00200G).
5 56[h] KML-450 MAH (Beginning Serial #L20951H, ending Serial #M12770F); .. KML-450 MWH (Beginning Serial #L10201H, ending Serial #M20710F) .. 57[i] KML-450 MAH (Beginning Serial #M22771G); .. KML-450 MWH (Beginning Serial #M30711G) .. 57[j] KML-600 MAF, KML-600 MWF, KML-600 MRF .. 59[k] KML-600 MAH (Beginning Serial #L00001F, ending Serial #L00070F); .. KML-600 MWH (Beginning Serial #L00001D, ending Serial #L00080E) .. KML-600 MRH (Beginning Serial #L00001F, ending Serial #L00050F) .. 60[l] KML-600 MAH (Beginning Serial #L10071H, ending Serial #M10460G); .. KML-600 MWH (Beginning Serial #L10081K, ending Serial #M10140E) .. KML-600 MRH (Beginning Serial #L10051H, ending Serial #M10350E) .. 61[m] KML-600 MAH (Beginning Serial #M2_ _ _ _ _); .. KML-600 MWH (Beginning Serial #M20141F) .. KML-600 MRH (Beginning Serial #M20331E) .. 623. TIMING CHART .. 634. PERFORMANCE DATA.
6 65[a] 65[b] KML-250 MWH .. 66[c] KML-350 MAF ..67[d] KML-350 MWF .. 68[e] 69[f] KML-350 MWH (Serial #L00001J through M20060C) .. 70[g] KML-350 MWH (Beginning Serial #M30061E) .. 715[h] 72[i] KML-450 MWF .. 73[j] KML-450 MAH ..74[k] KML-450 MWH (Serial #L00001D through M10530B) .. 75[l] KML-450 MWH (Beginning Serial #M20531D) .. 76[m] KML-600 MAF ..77[n] KML-600 MWF .. 78[o] KML-600 MRF ..79[p] 80[q] KML-600 MWH (Serial #L00001D through M10115C) .. 81[ r ] KML-600 MWH (Beginning Serial #M10121E) .. 82[s] KML-600 MRH .. 83IV. SERVICE DIAGNOSIS .. 841. NO ICE PRODUCTION ..842. EVAPORATOR IS FROZEN UP .. 873. LOW ICE PRODUCTION .. 874. ABNORMAL ICE .. 885. OTHERS .. 89V. REMOVAL AND REPLACEMENT OF COMPONENTS .. 891. SERVICE FOR REFRIGERANT LINES .. 89[a] REFRIGERANT RECOVERY .. 89[b] EVACUATION AND RECHARGE [R-404A] .. 892. BRAZING .. 903. REMOVAL AND REPLACEMENT OF COMPRESSOR.
7 914. REMOVAL AND REPLACEMENT OF DRIER .. 925. REMOVAL AND REPLACEMENT OF EXPANSION VALVE .. 936. REMOVAL AND REPLACEMENT OF HOT GAS VALVE AND .. LINE VALVE .. 947. REMOVAL AND REPLACEMENT OF EVAPORATOR .. 968. REMOVAL AND REPLACEMENT OF WATER-REGULATING VALVE .. - WATER COOLED model ONLY .. 979. ADJUSTMENT OF WATER-REGULATING VALVE .. - WATER COOLED model ONLY .. 9810. REMOVAL AND REPLACEMENT OF CONDENSING PRESSURE .. REGULATOR ( ) - REMOTE AIR-COOLED model ONLY .. 9911. REMOVAL AND REPLACEMENT OF THERMISTOR .. 10012. REMOVAL AND REPLACEMENT OF FAN MOTOR .. 10113. REMOVAL AND REPLACEMENT OF WATER VALVE .. 10214. REMOVAL AND REPLACEMENT OF PUMP MOTOR .. 10315. REMOVAL AND REPLACEMENT OF SPRAY TUBES .. 103VI. CLEANING AND MAINTENANCE INSTRUCTIONS .. 1041. PREPARING THE ICEMAKER FOR LONG STORAGE .. 1042. CLEANING PROCEDURE .. 1063. SANITIZING PROCEDURE .. 1084. MAINTENANCE .. 1096I. SPECIFICATIONS1.
8 KML-250 MAH72. KML-250 MWH83. KML-350 MAF94. KML-350 MWF105. KML-350 MAH116. KML-350 MWH (Beginning serial #L00001J, ending Serial #M20060C)127. KML-350 MWH (Beginning serial #M30061E)138. KML-450 MAF149. KML-450 MWF1510. KML-450 MAH1611. KML-450 MWH (Beginning Serial #L00001D, ending Serial #M10530B)1712. KML-450 MWH (Beginning Serial #M20531D)1813. KML-600 MAF1914. KML-600 MWF2015. KML-600 MRF2116. KML-600 MAH2217. KML-600 MWH (Beginning Serial #L00001D, ending Serial #M10115C)2318. KML-600 MWH (Beginning Serial # M10121E)2419. KML-600 MRH2520. CONDENSER UNITURC-7 FUnit: mm. (inches)26 SPECIFICATIONSURC-7F27II. GENERAL INFORMATION1. CONSTRUCTION[a] KML-250 MAH, KML-350 MAF, KML-350 MAH, KML-450 MAF, KML-450 MAHS pray TubesWater SupplyInletJunction BoxCondenserCondenserFan MotorControl BoxDrierHot Gas ValveCompressorFloat SwitchWater PumpBin ControlThermostat(except MODELS withMechanical Bin Control)ControlSwitchExpansionValveMecha nicalBin Control(except modelswith Thermostat)28[b] KML-250 MWH, KML-350 MWF, KML-350 MWH, KML-450 MWF, KML-450 MWHS pray TubesWater SupplyInletJunction BoxControl BoxDrierHot Gas ValveCompressorWaterRegulatorFloat SwitchWater PumpBin ControlThermostat(except MODELS withMechanical Bin Control)ControlSwitchExpansionValveMecha nicalBin Control(except modelswith Thermostat)
9 29 Spray TubesWater SupplyInletJunction BoxCondenserCondenserFan MotorControl BoxDrierHot Gas ValveCompressorFloat SwitchControl SwitchWater PumpExpansionValve[c] KML-600 MAF, KML-600 MAHBin ControlThermostat(except MODELS withMechanical Bin Control)MechanicalBin Control(except modelswith Thermostat)30[d] KML-600 MWF, KML-600 MWHS pray TubesJunction BoxWaterRegulatorControl BoxDrierHot Gas ValveFloat SwitchControl SwitchWater PumpExpansionValveCompressorWater SupplyInletBin ControlThermostat(except MODELS withMechanical Bin Control)MechanicalBin Control(except modelswith Thermostat)31[e] KML-600 MRF, KML-600 MRHS pray TubesJunction BoxReceiverTankControl BoxDrierHot Gas ValveFloat SwitchControl SwitchWater PumpExpansionValveCompressorWater SupplyInletHot Gas ValveBin ControlThermostat(except MODELS withMechanical Bin Control)MechanicalBin Control(except modelswith Thermostat)322. CONTROLLER BOARD[a] SOLID-STATE CONTROL1) A HOSHIZAKI exclusive solid-state control is employed in MODULAR CRESCENT ) A Printed Circuit Board (hereafter called Controller Board ) includes a stable and highquality control ) All MODELS are pretested and factory-adjusted.
10 [b] CONTROLLER BOARDCAUTION1. Fragile, handle very A controller board contains integrated circuits, which are susceptible tofailure due to static discharge. It is especially important to touch the metalpart of the unit when handling or replacing the Do not touch the electronic devices on the board or the back of the board toprevent damage to the Do not change wiring and connections. Do not misconnect K3, K4 and K5,because the same connector is used for the Thermistor (white), FloatSwitch (black), and Mechanical Bin Control (red).(For machines with thermostat, there is no connection on K4.)5. Always replace the whole board assembly when it goes Do not short out power supply to test for NUMBERTYPE2A1410-01 HOS-001A (Control Products)Features of Control Products E Controller Board1) Maximum Water Supply Period - 6 minutesWater Solenoid Valve opening, in the Defrost (Harvest) Cycle, is limited by the defrosttimer.
