6(59,&( 0$18$/ km-900mah km-900mwh km-900mrh km-900mrh3 ...

More documents

Recommendations

Info

IMPORTANTOnly qualified service technicians should attempt to service or maintain this icemaker.No service or maintenance should be undertaken until the technician has thoroughlyread this Service Manual.HOSHIZAKI provides this manual primarily to assist qualified service technicians in theservice and maintenance of the icemaker.Should the reader have any questions or concerns which have not been satisfactorilyaddressed, please call or write to the HOSHIZAKI Technical Support Department forassistance.HOSHIZAKI AMERICA, INC.618 Highway 74 SouthPeachtree City, GA 30269Attn: HOSHIZAKI Technical Support DepartmentPhone: 1-800-233-1940 Technical Service(770) 487-2331Fax: (770) 487-3360NOTE: To expedite assistance, all correspondence/communication MUST include thefollowing information:• Model Number• Serial Number• Complete and detailed explanation of the problem2
Please review this manual. It should be read carefully before the icemaker is servicedor maintenance operations are performed. Only qualified service technicians shouldservice and maintain the icemaker. This manual should be made available to thetechnician prior to service or maintenance.CONTENTSPAGEI. SPECIFICATIONS .................................................................................................... 51. KM-900MAH (Air-cooled) .................................................................................. 52a. KM-900MWH (Water-cooled), Serial # L00001D-M20500D ............................. 62b. KM-900MWH (Water-cooled), Serial # M30501D-- .......................................... 73. KM-900MRH (Remote air-cooled) .................................................................... 84. KM-900MRH3 (Remote air-cooled 3 phase) .................................................... 95. CONDENSING UNIT, URC-12F ..................................................................... 10II. GENERAL INFORMATION .................................................................................... 121. CONSTRUCTION ............................................................................................. 12[a] KM-900MAH (Air-cooled) ............................................................................ 12[b] KM-900MWH (Water-cooled) ..................................................................... 13[c] KM-900MRH (Remote air-cooled) ............................................................... 14[d] KM-900MRH3 (Remote air-cooled 3 phase) ............................................... 152. CONTROLLER BOARD .................................................................................... 16[a] SOLID-STATE CONTROL .......................................................................... 16[b] CONTROLLER BOARD .............................................................................. 16[c] SEQUENCE ................................................................................................ 20[d] CONTROLS AND ADJUSTMENTS ............................................................. 23[e] CHECKING CONTROLLER BOARD .......................................................... 273. MECHANICAL BIN CONTROL .......................................................................... 28[a] PROXIMITY SWITCH ................................................................................. 28[b] EXPLANATION OF OPERATION .............................................................. 28[c] TROUBLESHOOTING ................................................................................ 29III. TECHNICAL INFORMATION ............................................................................... 301. WATER CIRCUIT AND REFRIGERANT CIRCUIT............................................ 30[a] KM-900MAH (Air-cooled) ............................................................................ 30[b] KM-900MWH (Water-cooled) ..................................................................... 31[c] KM-900MRH (Remote air-cooled) ...................................................................and KM-900MRH3 (Remote air-cooled 3 phase)........................................ 322. WIRING DIAGRAMS ........................................................................................ 33[a] KM-900MAH (Air-cooled) ............................................................................ 33[b] KM-900MWH (Water-cooled) ..................................................................... 35[c] KM-900MRH (Remote air-cooled) ............................................................... 37[d] KM-900MRH3 (Remote air-cooled 3 phase) ............................................... 393. TIMING CHART ................................................................................................ 413
Page 1: 73105
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 and 20: The application switch located betw
Page 21 and 22: 2nd Cycle and after with pump drain
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
show all

6(59,&( 0$18$/ km-900mah km-900mwh km-900mrh km-900mrh3 ...

Create successful ePaper yourself

Delete template?

Save as template?