km-500mah km-500mwh km-500mrh modular crescent cuber

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[d] KM-500MRHAPPROXIMATE ICEPRODUCTION PER 24 HR.70/21 517 235 493 224 449 20480/27 499 226 462 210 411 18790/32 493 224 436 198 387 176lbs./day kg./day 100/38 480 218 425 193 342 155APPROXIMATE ELECTRIC 70/21CONSUMPTION80/2790/32watts 100/38123412801340APPROXIMATE WATER70/21 233 0.88 205 0.78 182 0.69CONSUMPTION PER 24 HR. 80/27 212 0.80 168 0.64 154 0.5890/32 205 0.78 137 0.52 119 0.45gal./day m 3 /day 100/38 169 0.64 133 0.50 103 0.39FREEZING CYCLE TIME70/2180/2726272729313390/32min. 100/38HARVEST CYCLE TIME70/2180/2790/32min. 100/38HEAD PRESSUREAMBIENT TEMP.WATER TEMP. (ºF/ºC)(ºF/ºC) 50/10 70/21 90/3212061221122527283.43.13.012251251127231323.02.52.11258128713073.02.02.070/21 230 16.2 245 17.2 265 18.680/27 241 17.0 264 18.6 284 20.090/32 245 17.2 280 19.7 300 21.1PSIG kg/cm 2 G 100/38 249 17.5 285 20.0 319 22.4SUCTION PRESSURE70/21 47 3.3 50 3.5 52 3.780/27 49 3.4 53 3.7 55 3.990/32 50 3.5 56 3.9 58 4.1PSIG kg/cm 2 G 100/38 50 3.5 56 4.0 60 4.234382.82.52.0TOTAL HEAT OF REJECTION FROM CONDENSERTOTAL HEAT OF REJECTION FROM COMPRESSORCONDENSER VOLUME8050 BTU/h [AT 90ºF (32ºC) / WT 70ºF (21ºC)]1735 BTU/h [AT 90ºF (32ºC) / WT 70ºF (21ºC)]74.5 CU. IN (URC-6F)Note: Pressure data is recorded at 5 minutes into freeze cycle. The data not in bold should be used forreference only.We reserve the right to make changes in specifications and design without prior notice.40
IV. SERVICE DIAGNOSIS1. NO ICE PRODUCTIONPROBLEM POSSIBLE CAUSE REMEDY[1] The icemaker a) Power Supply 1. “OFF” position. 1. Move to “ON” positionwill not start 2. Loose connections. 2. Tighten3. Bad contacts. 3. Check for continuity andreplace.4. Voltage too high. 4. Check and getrecommended voltage.b) Fuse (Inside Fused 1. Blown out. 1. Check for short circuitDisconnect, if any) and replacec) Control Switch 1. “OFF” position. 1. Move to “ICE” position.2. Bad contacts. 2. Check for continuity andreplace.d) Bin Control 1. Tripped with bin filled 1. Remove ice.Thermostat with ice.2. Ambient temperature 2. Increase ambienttoo cool. temperature.3. Set too warm. 3. See “II.2.[d]For mechanical CONTROLS ANDbin control ADJUSTMENTS, 5) Binsee “II. 3. [c]” Control.”4. Bulb out of position. 4. Place in position.5. Bad contacts or leaks 5. Check for continuity andbulb. replace.e) High Pressure 1. Bad contacts. 1. Check for continuity andControl replace.f) Transformer 1. Thermal fuse blown out 1. Replace.or coil winding opened.g) Wiring to 1. Loose connections or 1. Check for continuity andController Board open. replace.h) Thermistor 1. Leads short-circuit or 1. See “II.2.[d] CONTROLSopen and High AND ADJUSTMENTS, 1)Temperature Safety Defrost Control.”operates.i) Hot Gas Solenoid 1. Continues to open in 1. Check for power off inValve freeze cycle and High freeze cycle and replace.Temperature Safetyoperates.j) Water Supply Line 1. Water supply off and 1. Check and getwater supply cycle does recommended pressure.not finish.2. Condenser water pressure 2. Check and gettoo low or off and Pressure recommended pressure.Control opens and closesfrequently to finally operateHigh Temperature Safety.k) Water Solenoid 1. Mesh filter or orifice gets 1. Clean.clogged and water supplycycle does not finish.2. Coil winding opened. 2. Replace.3. Wiring to Water Valve. 3. Check for loose connectionor open, and replace.41
Page 2: IMPORTANTOnly qualified service tec
Page 6 and 7: 2a. KM-500MWH Serial #L00001D - M20
Page 8 and 9: 3. KM-500MRHAC SUPPLY VOLTAGE 115/6
Page 10 and 11: SPECIFICATIONSMODEL: URC-6FEXTERIOR
Page 13 and 14: [c] KM-500MRHSpray TubesWater Suppl
Page 15 and 16: 2) Defrost TimerThe defrost cycle s
Page 17 and 18: The application switch located betw
Page 19 and 20: 2nd Cycle and after with pump drain
Page 21 and 22: [d] CONTROLS AND ADJUSTMENTSThe Dip
Page 23 and 24: 2) Defrost TimerNo adjustment is re
Page 25 and 26: MODELS WITH MECHANICAL BIN CONTROLC
Page 27 and 28: [c] TROUBLESHOOTING (MECHANICAL BIN
Page 29 and 30: [b] KM-500MWH29
Page 31 and 32: 2. WIRING DIAGRAMS[a] KM-500MAH (wi
Page 33 and 34: [b] KM-500MRH (with auxiliary codes
Page 35: 3. TIMING CHART35
Page 38 and 39: [b] KM-500MWHSerial #L00001D - M209
Page 42 and 43: PROBLEM POSSIBLE CAUSE REMEDYl) Con
Page 44 and 45: 2. EVAPORATOR IS FROZEN UPPROBLEM P
Page 46 and 47: V. REMOVAL AND REPLACEMENT OF COMPO
Page 48 and 49: 3. REMOVAL AND REPLACEMENT OF COMPR
Page 50 and 51: 4. REMOVAL AND REPLACEMENT OF DRIER
Page 52 and 53: IMPORTANTAlways install a new Drier
Page 54 and 55: 8. REMOVAL AND REPLACEMENT OF WATER
Page 56 and 57: 10. REMOVAL AND REPLACEMENT OF COND
Page 58 and 59: Note: For models with the Liquid By
Page 60 and 61: 3) Remove the Base Cover.4) Drain t
Page 62 and 63: 9) Attach compressed air or carbon
Page 64 and 65: [a] CLEANING PROCEDURE1) Dilute 16
Page 66 and 67: [b] SANITIZING PROCEDURE - Followin

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