Hoshizaki DCM-750BAH manual

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Buen manual de instrucciones

Las leyes obligan al vendedor a entregarle al comprador, junto con el producto, el manual de instrucciones Hoshizaki DCM-750BAH. La falta del manual o facilitar información incorrecta al consumidor constituyen una base de reclamación por no estar de acuerdo el producto con el contrato. Según la ley, está permitido adjuntar un manual de otra forma que no sea en papel, lo cual últimamente es bastante común y los fabricantes nos facilitan un manual gráfico, su versión electrónica Hoshizaki DCM-750BAH o vídeos de instrucciones para usuarios. La condición es que tenga una forma legible y entendible.

¿Qué es un manual de instrucciones?

El nombre proviene de la palabra latina “instructio”, es decir, ordenar. Por lo tanto, en un manual Hoshizaki DCM-750BAH se puede encontrar la descripción de las etapas de actuación. El propósito de un manual es enseñar, facilitar el encendido o el uso de un dispositivo o la realización de acciones concretas. Un manual de instrucciones también es una fuente de información acerca de un objeto o un servicio, es una pista.

Desafortunadamente pocos usuarios destinan su tiempo a leer manuales Hoshizaki DCM-750BAH, sin embargo, un buen manual nos permite, no solo conocer una cantidad de funcionalidades adicionales del dispositivo comprado, sino también evitar la mayoría de fallos.

Entonces, ¿qué debe contener el manual de instrucciones perfecto?

Sobre todo, un manual de instrucciones Hoshizaki DCM-750BAH debe contener:
- información acerca de las especificaciones técnicas del dispositivo Hoshizaki DCM-750BAH
- nombre de fabricante y año de fabricación del dispositivo Hoshizaki DCM-750BAH
- condiciones de uso, configuración y mantenimiento del dispositivo Hoshizaki DCM-750BAH
- marcas de seguridad y certificados que confirmen su concordancia con determinadas normativas

¿Por qué no leemos los manuales de instrucciones?

Normalmente es por la falta de tiempo y seguridad acerca de las funcionalidades determinadas de los dispositivos comprados. Desafortunadamente la conexión y el encendido de Hoshizaki DCM-750BAH no es suficiente. El manual de instrucciones siempre contiene una serie de indicaciones acerca de determinadas funcionalidades, normas de seguridad, consejos de mantenimiento (incluso qué productos usar), fallos eventuales de Hoshizaki DCM-750BAH y maneras de solucionar los problemas que puedan ocurrir durante su uso. Al final, en un manual se pueden encontrar los detalles de servicio técnico Hoshizaki en caso de que las soluciones propuestas no hayan funcionado. Actualmente gozan de éxito manuales de instrucciones en forma de animaciones interesantes o vídeo manuales que llegan al usuario mucho mejor que en forma de un folleto. Este tipo de manual ayuda a que el usuario vea el vídeo entero sin saltarse las especificaciones y las descripciones técnicas complicadas de Hoshizaki DCM-750BAH, como se suele hacer teniendo una versión en papel.

¿Por qué vale la pena leer los manuales de instrucciones?

Sobre todo es en ellos donde encontraremos las respuestas acerca de la construcción, las posibilidades del dispositivo Hoshizaki DCM-750BAH, el uso de determinados accesorios y una serie de informaciones que permiten aprovechar completamente sus funciones y comodidades.

Tras una compra exitosa de un equipo o un dispositivo, vale la pena dedicar un momento para familiarizarse con cada parte del manual Hoshizaki DCM-750BAH. Actualmente se preparan y traducen con dedicación, para que no solo sean comprensibles para los usuarios, sino que también cumplan su función básica de información y ayuda.

Índice de manuales de instrucciones

  • Página 1

     Hoshizaki “A Superior Degree of Reliability” www .hoshizaki.com Models DCM-750BAH DCM-750BAH-OS DCM-750BWH DCM-750BWH-OS Cubelet Icemaker / Dispenser Hoshizaki America, Inc. Number: 73166 Issued: 10-8-2008 S E RV I C E M A N U A L ®[...]

  • Página 2

     IMPORTANT Only qualied service technicians should attempt to install, service, or maintain this icemaker. No service or maintenance should be undertaken until the technician has thoroughly read this Service Manual. Failure to service and maintain the equipment in accordance with this manual may adversely affect safety, performance, and warra[...]

  • Página 3

    3 IMPORTANT This manual should be read carefully before the icemaker is serviced or maintenance operations are performed. Only qualied service technicians should install, service, and maintain the icemaker. Read the warnings contained in this booklet carefully as they give important information regarding safety. Please retain this booklet for an[...]

  • Página 4

    4 E. Performance Data ....................................................................................................... 34 . DCM-750BAH(-OS) ............................................................................................... 34 . DCM-750BWH(-OS) ................................................................................[...]

  • Página 5

    5 I. Specications A. Icemaker 1. DCM-750BAH Note: We reserve the right to make changes in specications and design without prior notice. AC SUPPLY VOLTAGE 115/60/1 COMPRESSOR 120 V 13.2 RLA 60 LRA GEAR MOTOR 120 V 3 FLA 1/4 HP FAN MOTOR 120 V 0.85 FLA 1/15 HP AGITATING MOTOR 120 V 1.8 FLA (Total) 110 W DISPENSING MOTOR 120 V 0.9 FLA 55 W OTHER[...]

  • Página 6

    6 2. DCM-750BAH-OS Note: We reserve the right to make changes in specications and design without prior notice. AC SUPPLY VOLTAGE 115/60/1 COMPRESSOR 120 V 13.2 RLA 60 LRA GEAR MOTOR 120 V 3 FLA 1/4 HP FAN MOTOR 120 V 0.85 FLA 1/15 HP AGITATING MOTOR 120 V 1.8 FLA (Total) 110 W DISPENSING MOTOR 120 V 0.9 FLA 55 W OTHER 120 V 0.6 A MAXIMUM FUSE SI[...]

  • Página 7

    7 Note: We reserve the right to make changes in specications and design without prior notice. 3. DCM-750BWH AC SUPPLY VOLTAGE 115/60/1 COMPRESSOR 120 V 13.2 RLA 60 LRA GEAR MOTOR 120 V 3 FLA 1/4 HP AGITATING MOTOR 120 V 1.8 FLA (Total) 110 W DISPENSING MOTOR 120 V 0.9 FLA 55 W OTHER 120 V 0.6 A MAXIMUM FUSE SIZE 20 A MAX. HACR BREAKER (USA ONLY)[...]

  • Página 8

    8 4. DCM-750BWH-OS Note: We reserve the right to make changes in specications and design without prior notice. AC SUPPLY VOLTAGE 115/60/1 COMPRESSOR 120 V 10 RLA 60 LRA GEAR MOTOR 120 V 3 FLA 1/4 HP AGITATING MOTOR 120 V 1.8 FLA (Total) 110 W DISPENSING MOTOR 120 V 0.9 FLA 55 W OTHER 120 V 0.6 A MAXIMUM FUSE SIZE 20 A MAX. HACR BREAKER (USA ONLY[...]

  • Página 9

    9 II. General Information A. Construction 1. DCM-750BAH(-OS) Storage Bin Inlet Water Valve Reservoir Control Box Air-Cooled Condenser Spout Cover Evaporator Assembly Compressor Dispensing Motor Agitator (L) Dispensing Auger Dispensing Water Valve Spout B Float Switch Dispense Mode Switch Control Switch Shutter Assembly Power Switch Drier Spout A Dr[...]

  • Página 10

    0 2. DCM-750BWH(-OS) Storage Bin Inlet Water Valve Reservoir Control Box Water-Cooled Condenser Spout Cover Evaporator Assembly Compressor Dispensing Motor Agitator (L) Dispensing Auger Dispensing Water Valve Spout B Float Switch Dispense Mode Switch Control Switch Shutter Assembly Power Switch Drier Spout A Drain Water Valve Door Switch Expansi[...]

  • Página 11

     B. Ice Making Unit 1. DCM-750BAH(-OS) Cubelet Cutter Allen Head Cap Screw Gear Motor O-Ring Mechanical Seal Extruding Head and Upper Bearing Hex Head Bolt with Washer Auger Evaporator Housing and Lower Bearing Cylinder Insulation Allen Head Cap Screw with Washer Washer Extruding Head Heater Capacitor[...]

  • Página 12

     C. Sequence of Operation The steps in the sequence are as outlined below. When power is supplied, the power switch is in the "ON" position, the door switch is engaged, and the control switch is in the "ICE" position, the "POWER" LED on the control board comes on. 1. Fill Cycle WV opens and the reservoir lls w[...]

  • Página 13

    3 Legend: BC - bin control Comp - compressor DC - drain cycle DT - drain timer DV - drain valve FMS - self-contained fan motor FT - ll timer (low water safety) GM - gear motor GMPR - gear motor protect relay HCR - heater control relay HTR - extruding head heater LF/S - lower oat switch UF/S - upper oat switch WCR - water control relay W[...]

  • Página 14

    4 D. Control Board • A Hoshizaki exclusive solid-state control board is employed in DCM-750BAH, DCM-750BAH-OS, DCM-750BWH, and DCM-750BWH-OS Cubelet Icemaker / Dispensers. • All models are pretested and factory-adjusted. CAUTION . Fragile, handle very carefully. . The control board contains integrated circuits, which are susceptible to[...]

  • Página 15

    5 Microprocessor (board revision level indicated by last  digits on label) "POWER" LED (lights when power is supplied to the board) "FLUSH" LED (X5 Relay) Drain Valve "COMP" LED (X Relay) Compressor, Fan Motor 0.5V Transformer "GM" LED (X Relay) Gear Motor "DM" LED (X4 Relay) Shutter [...]

  • Página 16

    6 Dispensing Components See "III.B. Wiring Diagrams" for details. Bin Control, Control Switch, Low Water Safety Microprocessor (board revision level indicated by last  digits on label) "POWER" LED (lights when power is supplied to the board) "FLUSH" LED (X6 Relay) Drain Valve "COMP" LED (X Relay) Com[...]

  • Página 17

    7 2. Features The control board provides the following safeguards: • Provides component protection during low water supply. • Purges remaining ice in the evaporator at startup and shutdown. • Provides short cycle protection for the compressor. a) LED Lights The "POWER" LED indicates control voltage and will remain on unless a con[...]

  • Página 18

    8 3. Controls and Adjustments a) Portion Control When the dispense mode switch is placed in the "PORTION" position, a variable resistor (located on the control board) controls the ice dispense time. The gures on the label indicate dispensing time (sec.). When shipped, the portion control is set at the minimum dispensing time (0.6 se[...]

  • Página 19

    9 3. 60 seconds after the "GM" LED comes on, the "COMP" LED comes on, and the compressor and fan motor start. If the "COMP" LED does not come on 60 seconds after the gear motor starts, check that the gear motor protect relay contacts (connector K terminals  and ) have closed. If the "COMP" LED is [...]

  • Página 20

    0 E. Float Switch Depending on local water conditions, scale may build up on the oat switch. Scale on the switch can cause the oats to stick. In this case, the oat switch should be cleaned and checked. First, remove the switch from the water tank. Soak the switch assembly in ice machine cleaner. While not necessary, the oats can be r[...]

  • Página 21

     III. Technical Information A. Water Circuit and Refrigeration Circuit 1. DCM-750BAH(-OS) Inlet Water Valve Dispensing Water Valve Drain Valve Float Switch Water Level To Drain Evaporator Spout Expansion Valve Gear Motor Overow Reservoir Water Supply Drier Air-Cooled Condenser Fan High Pressure Switch Access Valve Access Valve Compressor R[...]

  • Página 22

     2. DCM-750BWH(-OS) Inlet Water Valve Dispensing Water Valve Drain Valve Float Switch Water Level To Drain Evaporator Spout Expansion Valve Gear Motor Overow Reservoir Water Supply Drier Water-Cooled Condenser High Pressure Switch Access Valve Access Valve Compressor Water Supply In Water Supply Out Refrigeration Circuit Water Circuit Wate[...]

  • Página 23

    3 BK BLACK BR BROWN BU BLUE DBU DARK BLUE GY GRAY LBU LIGHT BLUE O ORANGE P PINK R RED V VIOLET W WHITE Y YELLOW W/BK WHITE/BLACK W/BR WHITE/BROWN W/BU WHITE/BLUE W/O WHITE/ORANGE W/R WHITE/RED WIRE COLOR CODE * B. Wiring Diagrams 1. DCM-750BAH, DCM-750BWH * High Pressure Switch Air-Cooled Model W ater-Cooled Model Cut-out 412± 21 PSIG 384± 21[...]

  • Página 24

    4 2. DCM-750BAH-OS, DCM-750BWH-OS BK BLACK BR BROWN BU BLUE DBU DARK BLUE GY GRAY LBU LIGHT BLUE O ORANGE P PINK R RED V VIOLET W WHITE Y YELLOW W/BK WHITE/BLACK W/BR WHITE/BROWN W/BU WHITE/BLUE W/O WHITE/ORANGE W/R WHITE/RED WIRE COLOR CODE * * High Pressure Switch Air-Cooled Model W ater-Cooled Model Cut-out 412± 21 PSIG 384± 21 PSIG Cut-in [...]

  • Página 25

    5 C. Sequence of Electrical Circuit – Ice Making 1. Fill Cycle With the power switch in the "ON" position and the control switch in the "ICE" position, the inlet water valve energizes and the reservoir lls with water until the upper oat switch closes. DCM-750BAH-OS, DCM-750BWH-OS DCM-750BAH, DCM-750BWH BK BLACK O ORAN[...]

  • Página 26

    6 2. Ice Purge Cycle Upper oat switch closes, water control relay energizes, inlet water valve closes, gear motor starts, gear motor protect relay energizes. BK BLACK O ORANGE W/BK WHITE/BLACK BR BROWN P PINK W/BR WHITE/BROWN BU BLUE R RED W/BU WHITE/BLUE DBU DARK BLUE V VIOLET W/O WHITE/ORANGE GY GRAY W WHITE W/R WHITE/RED LBU LIGHT BLUE Y Y[...]

  • Página 27

    7 3. Freeze Cycle Compressor and fan motor start 60 seconds after gear motor starts. BK BLACK O ORANGE W/BK WHITE/BLACK BR BROWN P PINK W/BR WHITE/BROWN BU BLUE R RED W/BU WHITE/BLUE DBU DARK BLUE V VIOLET W/O WHITE/ORANGE GY GRAY W WHITE W/R WHITE/RED LBU LIGHT BLUE Y YELLOW WIRE COLOR CODE DCM-750BAH-OS, DCM-750BWH-OS DCM-750BAH, DCM-750BWH[...]

  • Página 28

    8 4. 12 Hour Drain Cycle / Drain Switch  hour timer initiates cycle or the control switch is moved to the "DRAIN" position. 90 seconds after initiation, the compressor and condenser fan motor stop, 60 seconds later the gear motor stops. Once the gear motor protect relay de-energizes, the drain water valve opens. In the  hou[...]

  • Página 29

    9 5. Shutdown The bin control switch is activated and a 50 second shutdown sequence begins. After the bin control has been open for 90 seconds, the compressor and fan motor stop, the agitating motor operates for 0.6 seconds, and 60 seconds later the gear motor stops. BK BLACK O ORANGE W/BK WHITE/BLACK BR BROWN P PINK W/BR WHITE/BROWN BU BLUE [...]

  • Página 30

    30 6. Low Water Safety Upper oat switch fails to close within 90 seconds after the lower oat switch opens, the 50 second shutdown sequence begins. The inlet water valve remains open until the upper oat switch closes. BK BLACK O ORANGE W/BK WHITE/BLACK BR BROWN P PINK W/BR WHITE/BROWN BU BLUE R RED W/BU WHITE/BLUE DBU DARK BLUE V VIOLET [...]

  • Página 31

    3 7. High Pressure Switch When the high pressure switch opens, the compressor stops immediately, 60 seconds later the gear motor stops. To restart, allow time for the high pressure switch to close, then move the power switch to the "OFF" position and then back to the "ON" position. BK BLACK O ORANGE W/BK WHITE/BLACK BR BROWN [...]

  • Página 32

    3 D. Sequence of Electrical Circuit – Dispensing 1. Continuous Dispense Agitating motor energizes for .6 seconds for every  seconds of accumulative dispense time. Maximum dispense time per dispense switch activation is 60 seconds. After 60 seconds, the dispense switch must be disengaged and engaged again. BK BLACK O ORANGE W/BK WHITE/BLA[...]

  • Página 33

    33 2. Portion Dispense Agitating motor energizes for .6 seconds for every  seconds of accumulative dispense time. A variable resistor which controls the amount of ice dispensed is located on the control board. The gures on the label indicate dispensing time (sec.). See "II. D.3.a) Portion Control." When shipped, the portion contr[...]

  • Página 34

    34 E. Performance Data 1. DCM-750BAH(-OS) Note: . The data without *marks should be used for reference only. . We reserve the right to make changes in specications and design without prior notice. APPROXIMATE Ambient Water Temp. (°F) ICE PRODUCTION Temp. (°F ) PER 24 HR. 70 *803 *(364) 770 (349) 726 (329) 80 684 (310) 645 (293) 608 (276)[...]

  • Página 35

    35 2. DCM-750BWH(-OS) Note: . The data without *marks should be used for reference only. . We reserve the right to make changes in specications and design without prior notice. APPROXIMATE Ambient Water Temp. (F) ICE PRODUCTION Temp. (F) PER 24 HR. 70 * 744 337 719 326 708 321 80 696 316 684 310 673 305 90 662 300 * 654 297 640 291 lbs./da[...]

  • Página 36

    36 IV. Service Diagnosis A. Diagnostic Procedure This diagnostic procedure is a sequence check that allows you to diagnose the electrical system and components. Before proceeding, check for correct installation, adequate water supply (minimum of 0 PSIG, maximum of 3 PSIG) and proper voltage per unit nameplate. Always choose a white neutral[...]

  • Página 37

    37 6) Rell /Low Water Safety – As ice is produced, the water level in the reservoir drops. As the water level drops, the upper and lower oat switches open. First, the upper oat switch opens. Nothing occurs at this time. When the lower oat switch opens, rell begins. The water control relay de-energizes, the 90 second low water safet[...]

  • Página 38

    38 C. Diagnostic Charts 1. No Ice Production Problem Possible Cause Remedy [] The icemaker will not start. (Fill Cycle) a) Power Supply . Off, blown fuse, or tripped breaker. . Turn on, replace, or reset. . Loose connection. . Tighten. 3. Bad contacts. 3. Check for continuity and replace. 4. Not within specications. 4. Refer to na[...]

  • Página 39

    39 Problem Possible Cause Remedy [] The icemaker will not start. (Fill Cycle) (continued) m) High Pressure Switch . Bad contacts. . Check for continuity and replace. . Dirty air lter or condenser. . Clean. 3. Ambient or condenser water temperature too warm. 3. Reduce temperature. 4. Refrigerant overcharged. 4. Recover, evacuate, a[...]

  • Página 40

    40 Problem Possible Cause Remedy [3] Ice purge cycle will not start. a) Water Control Relay . Low water safety circuit open (bad contacts ). . Replace. b) Control Switch . Bad contacts. . Check for continuity and replace. c) Bin Control . Open. . Bin full, check for continuity on proximity switch. d) Control Board . Fails to op[...]

  • Página 41

    4 Problem Possible Cause Remedy [5] All components run, but no ice is produced. (continued) d) Evaporator . Defective. . Replace. e) Water Supply Line (water-cooled model only) . Condenser water pressure too low or off and high pressure control opens and closes frequently. . Check and get recommended pressure. f) Water Regulating Val[...]

  • Página 42

    4 3. Other Problem Possible Cause Remedy [] Icemaker will not stop when bin is lled with ice. a) Bin Control . Actuator sticking. . Adjust or replace. . Proximity switch closed. . Replace. [] Abnormal noise. a) Fan Motor (except water-cooled model) . Bearing worn out. . Replace. . Fan blade deformed. . Replace fa[...]

  • Página 43

    43 Problem Possible Cause Remedy [4] Gear motor overload protector operates frequently or fuse blows frequently. a) Power Supply . Not within specications. . Refer to nameplate and correct. b) Evaporator Assembly . Bearings or auger worn out. . Replace bearings or auger. See "V.F.. Upper Bearing Wear Check." c) Bin Contr[...]

  • Página 44

    44 Problem Possible Cause Remedy [] Abnormal noise. a) Gear Motor or Gear Head . Bearing worn out. . Replace. b) Auger Mechanism . Bad alignment of auger. . Realign. . Foreign matter interrupting agitator. . Remove foreign matter. c) Dispense Water Solenoid . Vibration due to loosening screws. . Apply thread sealant to th[...]

  • Página 45

    45 Problem Possible Cause Remedy [] No water dispensed. a) OS Sensor . Dirty sensor. . Clean. . Defective. . See chart 5c below. b) Dispense Mode Switch . Wrong setting. . Move to desired setting. . Bad contacts. . Check for continuity and replace. 3. Loose connection. 3. Tighten. c) Control Board . Loose connection. ?[...]

  • Página 46

    46 V. Removal and Replacement of Components IMPORTANT . Ensure all components, fasteners, and thumbscrews are securely in place after the equipment is serviced. . The Polyol Ester (POE) oils used in R-404A units can absorb moisture quickly. Therefore it is important to prevent moisture from entering the system when replacing or servicing part[...]

  • Página 47

    47 ) Always install a new drier every time the sealed refrigeration system is opened. Do not replace the drier until after all other repair or replacement has been made. Install the new drier with the arrow on the drier in the direction of the refrigerant ow. ) Braze all ttings while purging with nitrogen gas owing at a pressure of 3[...]

  • Página 48

    48 B. Removal and Replacement of Compressor IMPORTANT Always install a new drier every time the sealed refrigeration system is opened. Do not replace the drier until after all other repair or replacement has been made. Note: When replacing a compressor with a defective winding, be sure to install the new start capacitor and start relay supplied wit[...]

  • Página 49

    49 C. Removal and Replacement of Expansion Valve IMPORTANT Sometimes moisture in the refrigeration circuit exceeds the drier capacity and freezes up at the expansion valve. Always install a new drier every time the sealed refrigeration system is opened. Do not replace the drier until after all other repair or replacement has been made. ) Move th[...]

  • Página 50

    50 Fig. 1 Extruding Head and Upper Bearing Evaporator Allen Head Cap Screw with Washer Allen Head Cap Screw Housing and Lower Bearing Gear Motor Barrier/Capacitor O-Ring Mechanical Seal Auger Cutter Hex Head Bolt with Washer D. Removal and Replacement of Evaporator Assembly Components CAUTION Make sure the extruding head heater is installed and con[...]

  • Página 51

    5 1. Upper Bearing Wear Check To ensure that the bearing inside the extruding head does not exceed the wear tolerance of .0", follow the instructions below. See Fig. . ) Move the control switch to the "OFF" position, then turn off the power supply. Remove the front and top panels, then move the power switch to the "O[...]

  • Página 52

    5 8) Replace spout A, spout B, and the front cover of the storage bin in their correct positions. 9) Move the power switch to the "ON" position, then replace the panels in their correct positions. 0) Turn on the power supply, then move the control switch to the "ICE" position to start the automatic icemaking process. 3. Re[...]

  • Página 53

    53 3) Remove the apron panel, then remove the left side panel. 4) Recover the refrigerant and store it in an approved container. 5) Disconnect the drip tray hose from the tee. Remove the four screws securing the drip tray, then remove the drip tray and hose. 6) Remove the front cover of the storage bin. Remove spout B, then remove spout A. See Fig.[...]

  • Página 54

    54 5. Removal and Replacement of Mechanical Seal and Lower Housing 5a. Mechanical Seal ) Move the control switch to the "DRAIN" position and drain all of the water from the evaporator. ) After the water has stopped draining, move the control switch to the "OFF" position, then turn off the power supply. Remove the front and[...]

  • Página 55

    55 8) Move the power switch to the "ON" position, then replace the panels in their correct positions. 9) Turn on the power supply, then move the control switch to the "ICE" position to start the automatic icemaking process. 6. Removal and Replacement of Gear Motor ) Move the control switch to the "DRAIN" posit[...]

  • Página 56

    56 E. Removal and Replacement of Self-Contained Air-Cooled Condenser IMPORTANT Always install a new drier every time the sealed refrigeration system is opened. Do not replace the drier until after all other repairs or replacement have been made. ) Move the control switch to the "OFF" position, then turn off the power supply. Remove the[...]

  • Página 57

    57 F. Removal and Replacement of Water-Cooled Condenser IMPORTANT Always install a new drier every time the sealed refrigeration system is opened. Do not replace the drier until after all other repair or replacement has been made. ) Move the control switch to the "OFF" position, then turn off the power supply. Remove the front and top [...]

  • Página 58

    58 G. Removal and Replacement of Water Regulating Valve - Water-Cooled Model Only IMPORTANT Always install a new drier every time the sealed refrigeration system is opened. Do not replace the drier until after all other repair or replacement has been made. ) Move the control switch to the "OFF" position, then turn off the power supply.[...]

  • Página 59

    59 0) Move the power switch to the "ON" position, then replace the panels in their correct positions. ) Turn on the power supply, then move the control switch to the "ICE" position to start the automatic icemaking process. H. Adjustment of Water Regulating Valve - Water-Cooled Model Only The water regulating valve (also[...]

  • Página 60

    60 J. Removal and Replacement of Inlet or Dispensing Water Valve ) Close the water supply line shut-off valve. ) Open the water supply line drain valve. 3) Move the control switch to the "OFF" position, then turn off the power supply. Remove the front and top panels, then move the power switch to the "OFF" position. 4) Rem[...]

  • Página 61

    6 0) Open the water supply line shut-off valve. ) Turn on the power supply, move the power switch to the "ON" position, then replace the front panel in its correct position to engage the door switch. Move the control switch to the "ICE" position. ) Allow the icemaker to ll for two minutes. 3) Move the con[...]

  • Página 62

    6 6) Install the new motor. 7) Assemble the removed parts in the reverse order of which they were removed. 8) Move the power switch to the "ON" position, then replace the panels in their correct positions. 9) Turn on the power supply, then move the control switch to the "ICE" position to start the automatic icemaking process.[...]

  • Página 63

    63 VI. Cleaning and Maintenance IMPORTANT Ensure all components, fasteners, and thumbscrews are securely in place after any cleaning or maintenance is done to the equipment. A. Cleaning and Sanitizing Instructions HOSHIZAKI recommends cleaning this unit at least twice a year. More frequent cleaning, however, may be required in some existing water c[...]

  • Página 64

    64 1. Water System a) Cleaning Solution Dilute 9.6 . oz. (0.9 l) of recommended cleaner, Hoshizaki "Scale Away" or "LIME-A- WAY" (Economics Laboratory, Inc.), with .6 gal. (6.0 l) of warm water. b) Cleaning Procedure ) Close the water supply line shut-off valve. ) Move the dispense mode switch to the "CONTINU[...]

  • Página 65

    65 3) Move the control switch to the "OFF" position, then turn off the power supply. 4) Close the water supply line shut-off valve. c) Sanitizing Solution Dilute 0.8 . oz. (5 ml) of a 5.5% sodium hypochlorite solution (chlorine bleach) with .6 gal. (6.0 l) of warm water. d) Sanitizing Procedure - Following Cleaning Pr[...]

  • Página 66

    66 3) Remove the front cover of the storage bin. 4) Remove the motor bracket thumbscrews, rst from the vertical plane and then from the horizontal plane. While holding on to the corresponding agitator or auger, move the agitating motor or the dispensing motor towards you. Remove the agitators and the dispensing auger from the storage bin. See Fi[...]

  • Página 67

    67 B. Maintenance This icemaker must be maintained individually, referring to the instruction manual and labels provided with the icemaker. The schedule below is a guideline. More frequent maintenance, however, may be required depending on water quality, the icemaker's environment, and local sanitation regulations. Consult with your local dist[...]

  • Página 68

    68 C. Preparing the Icemaker for Long Storage CAUTION When the icemaker is not used for two or three days under normal conditions, it is sufcient to only move the control switch to the "OFF" position. When storing the icemaker for extended time or in sub-freezing temperatures, turn the water off and drain out all water from the water l[...]

  • Página 69

    69 2. On water-cooled model only, remove the water from the water-cooled condenser: ) Make sure the control switch and the power switch are in the "OFF" position and that the power supply is off. Remove the top, apron, and left side panels. ) Close the condenser water supply line shut-off valve and open the condenser water supply li[...]