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[c] SEQUENCE1st Cycle1. Unit energized and Control Switch to “ICE”position. Water supply cycle starts.3. Thermistor reads 48° F.Defrost Timer starts counting.2. After 1 minute,Defrost cycle starts.&IMPORTANTWater Valveopening is limitedto 6 minutes.5. After the first 5 minutes in freeze cycle.Ready to complete freeze cycle when FloatSwitch circuit opens.IMPORTANTBoard never accepts freeze completion signalwithin the first 5 minutes in freeze cycle.4. Defrost Timer stops counting.Defrost cycle is completed and freeze cyclestarts.IMPORTANT1. Board never accepts defrost completionsignal within the first 2 minutes in defrostcycle.2. Defrost cycle time is limited to 20 minuteseven if Defrost Timer does not stop counting.20
2nd Cycle and after with pump drainIMPORTANTFreeze cycle time is limited to 60 minutes evenif Float Switch does not open.1. Float Switch opens and signals to completefreeze cycle.Drain timer starts counting.2. Drain timer stops counting.Pump drain is completed3. Thermistor reads 48° F.Defrost Timer startscounting.&IMPORTANTWater Valveopening is limited to 6minutes.5. After the first 5 minutes in freeze cycle.Ready to complete freeze cycle when FloatSwitch circuit opens.4. Defrost Timer stops counting.Defrost cycle is completed and freeze cyclestarts.IMPORTANTBoard never accepts freeze completion signalwithin the first 5 minutes in freeze cycle.IMPORTANT1. Board never accepts defrost completionsignal within the first 2 minutes in defrostcycle.2. Defrost cycle time is limited to 20 minuteseven if Defrost Timer does not stop counting.21
Page 1 and 2: 73105
Page 3 and 4: Please review this manual. It shoul
Page 5 and 6: I. SPECIFICATIONS1. KM-900MAHAC SUP
Page 7 and 8: 2b. KM-900MWHBeginning Serial No. M
Page 9 and 10: 4. KM-900MRH3AC SUPPLY VOLTAGE 208-
Page 11 and 12: SPECIFICATIONSMODEL: URC-12FEXTERIO
Page 13 and 14: [b] KM-900MWHModels with Thermostat
Page 15 and 16: [d] KM-900MRH3Models with Thermosta
Page 17 and 18: 2) Defrost TimerThe defrost cycle s
Page 19: The application switch located betw
Page 23 and 24: [d] CONTROLS AND ADJUSTMENTSThe Dip
Page 25 and 26: 2) Defrost TimerNo adjustment is re
Page 27 and 28: MODELS WITH MECHANICAL BIN CONTROLC
Page 29 and 30: [c] TROUBLESHOOTING (MECHANICAL BIN
Page 31 and 32: [b] KM-900MWH31
Page 33 and 34: 2. WIRING DIAGRAMS[a] KM-900MAH (Wi
Page 35 and 36: [b] KM-900MWH (With Mechanical Bin
Page 37 and 38: [c] KM-900MRH (With Mechanical Bin
Page 39 and 40: [d] KM-900MRH3 (With Mechanical Bin
Page 41: 3. TIMING CHART41
Page 44 and 45: [b] KM-900MWHMODEL: KM-900 MWHBegin
Page 46 and 47: [d] KM-900MRHAPPROXIMATE ICEPRODUCT
Page 48 and 49: IV. SERVICE DIAGNOSIS1. NO ICE PROD
Page 50 and 51: PROBLEM POSSIBLE CAUSE REMEDY[4] Wa
Page 52 and 53: 4. ABNORMAL ICEPROBLEM POSSIBLE CAU
Page 54 and 55: 5) Disconnect the Vacuum Pump, and
Page 56 and 57: 15) Evacuate the system, and charge
Page 58 and 59: 3) Recover the refrigerant and stor
Page 60 and 61: 7. REMOVAL AND REPLACEMENT OF EVAPO
Page 62 and 63: 9. ADJUSTMENT OF WATER REGULATING V
Page 64 and 65: 11. REMOVAL AND REPLACEMENT OF THER
Page 66 and 67: 13. REMOVAL AND REPLACEMENT OF WATE
Page 68 and 69: VI. MAINTENANCE AND CLEANING INSTRU
Page 70 and 71:
2. CLEANINGIMPORTANTEnsure all comp
Page 72 and 73:
20) Turn on the power supply to fil
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6(59,&( 0$18$/ km-900mah km-900mwh km-900mrh km-900mrh3 ...

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