Hoshizaki IM-45WNE Service Manual
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Hoshizaki IM-45WNE Service Manual

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SELF-CONTAINED CUBER
SERVICE MANUAL
IM-21CNE
IM-30CNE
IM-30CWNE
IM-45CNE
IM-45NE
IM-45WNE
IM-65NE
IM-65WNE
IM-240NE
IM-240WNE
E1EC-848 (042017)

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Summary of Contents for Hoshizaki IM-45WNE

  • Page 1 SELF-CONTAINED CUBER IM-21CNE IM-30CNE IM-30CWNE IM-45CNE IM-45NE IM-45WNE SERVICE MANUAL IM-65NE IM-65WNE IM-240NE IM-240WNE E1EC-848 (042017)

  • Page 2: Table Of Contents

    [a] IM-21CNE, IM-30CNE ---------------------------------------------------------------------- 18 [b] IM-30CWNE ----------------------------------------------------------------------------------- 19 [c] IM-45CNE -------------------------------------------------------------------------------------- 20 [d] IM-45NE, IM-65NE --------------------------------------------------------------------------- 21 [e] IM-45WNE, IM-65WNE --------------------------------------------------------------------- 22 [f] IM-100CNE ------------------------------------------------------------------------------------- 23 [g] IM-100NE, IM-130NE ----------------------------------------------------------------------- 24 [h] IM-100WNE, IM-130WNE ------------------------------------------------------------------ 25 [i] IM-240NE --------------------------------------------------------------------------------------- 26 [j] IM-240WNE ------------------------------------------------------------------------------------- 27 2.
  • Page 3 [a] IM-21CNE, IM-30CNE, IM-45CNE, IM-45NE, IM-65NE ---------------------------- 44 [b] IM-100CNE, IM-100NE, IM-130NE, IM-240NE --------------------------------------- 45 [c] IM-65WNE ------------------------------------------------------------------------------------- 46 [d] IM-30CWNE, IM-45WNE, IM-100WNE, IM-130WNE, IM-240WNE ------------- 47 2. WIRING DIAGRAM ------------------------------------------------------------------------------ 48 [a] IM-21CNE, IM-30CNE, IM-30CWNE ---------------------------------------------------- 48 [b] IM-45CNE, IM-45NE, IM-45WNE, IM-65NE, IM-65WNE -------------------------- 49...
  • Page 4 8. WATER PAN ASSEMBLY ---------------------------------------------------------------------- 77 9. PUMP MOTOR ------------------------------------------------------------------------------------ 79 10. WATER VALVE------------------------------------------------------------------------------------ 79 11. ACTUATOR MOTOR ---------------------------------------------------------------------------- 80 12. CAM ------------------------------------------------------------------------------------------------- 81 [a] CAM (A) - ACTUATOR MOTOR SIDE -------------------------------------------------- 81 [b] CAM (B) - REAR SIDE ---------------------------------------------------------------------- 81 13.

  • Page 5: Specifications

    I. SPECIFICATIONS 1. DIMENSIONS/SPECIFICATIONS [a] IM-21CNE (Air-cooled)

  • Page 6: [B] Im-30Cne

    [b] IM-30CNE (Air-cooled)

  • Page 7: [C] Im-30Cwne

    [c] IM-30CWNE (Water-cooled)

  • Page 8: [D] Im-45Cne

    [d] IM-45CNE (Air-cooled)
  • Page 9 [e] IM-45NE (Air-cooled)

  • Page 10: [F]Im-45Wne

    [f] IM-45WNE (Water-cooled)
  • Page 11 [g] IM-65NE (Air-cooled)

  • Page 12: [H] Im-65Wne

    [h] IM-65WNE (Water-cooled)

  • Page 13: [I] Im-100Cne

    [i] IM-100CNE...

  • Page 14: [J] Im-100Ne

    [j] IM-100NE...

  • Page 15: [K] Im-100Wne

    [k] IM-100WNE...

  • Page 16: [L] Im-130Ne

    [l] IM-130NE...

  • Page 17: [M] Im-130Wne

    [m] IM-130WNE...

  • Page 18: [N] Im-240Ne [Copeland Compressor: Auxiliary Code B0 And Earlier]

    [n] IM-240NE (Air-cooled) [Copeland compressor: auxiliary code B0 and earlier]...

  • Page 19: [O] Im-240Ne [Danfoss Compressor: Auxiliary Code B1 And Later]

    [o] IM-240NE (Air-cooled) [Danfoss compressor: auxiliary code B1 and later]...

  • Page 20: [P] Im-240Wne [Copeland Compressor: Auxiliary Code B0 And Earlier]

    [p] IM-240WNE (Water-cooled) [Copeland compressor: auxiliary code B0 and earlier]...

  • Page 21: [Q] Im-240Wne [Danfoss Compressor: Auxiliary Code B1 And Later]

    [q] IM-240WNE (Water-cooled) [Danfoss compressor: auxiliary code B1 and later]...

  • Page 22: General Information

    II. GENERAL INFORMATION 1. CONSTRUCTION [a] IM-21CNE, IM-30CNE (Air-cooled) Nameplate Top Panel Water Valve Front Panel (Upper) Handle Bin Door Front Panel (Lower) Air Filter Power Cord Drain Pipe Front Rear Evaporator Actuator Motor Water Plate Water Tank Bin Control Switch Pump Motor Drain Pan Hot Gas Valve...

  • Page 23: [B] Im-30Cwne

    [b] IM-30CWNE (Water-cooled) Nameplate Top Panel Water Valve Front Panel (Upper) Handle Bin Door Front Panel (Lower) Cooling Water Inlet Cooling Water Outlet Drain Pipe Power Cord Front Rear Evaporator Actuator Motor Water Plate Water Tank Bin Control Switch Pump Motor Drain Pan Water-Cooled Condenser Water Regulator...

  • Page 24: [C] Im-45Cne

    [c] IM-45CNE (Air-cooled) Nameplate Top Panel Water Valve Handle Bin Door Front Panel (Lower) Louver Air Filter Drain Pipe Power Cord Front Rear Evaporator Actuator Motor Water Plate Bin Control Switch Water Tank Hot Gas Valve Pump Motor Fan Motor Drain Pan Compressor Air-Cooled Condenser...

  • Page 25: [D] Im-45Ne, Im-65Ne

    [d] IM-45NE, IM-65NE (Air-cooled) Nameplate Top Panel Water Valve Front Panel (Upper) Handle Bin Door Front Panel (Lower) Louver Air Filter Power Cord Drain Pipe Front Rear Evaporator Actuator Motor Water Plate Water Tank Bin Control Switch Pump Motor Drain Pan Hot Gas Valve Fan Motor Compressor...

  • Page 26: [E] Im-45Wne, Im-65Wne

    [e] IM-45WNE, IM-65WNE (Water-cooled) Nameplate Top Panel Water Valve Front Panel (Upper) Handle Bin Door Front Panel (Lower) Cooling Water Outlet Cooling Water Inlet Drain Pipe Power Cord Front Rear Evaporator Actuator Motor Water Plate Water Tank Bin Control Switch...

  • Page 27: [F] Im-100Cne

    [f] IM-100CNE (Air-cooled) IM-100CNE (Air-cooled) Top Panel Power Cord Water Valve Nameplate Front Cover Handle Door Louver/Air Filter Front Rear Hot Gas Valve Evaporator Water Plate Water Tank Control Box Bin Control Switch Fan Motor Pump Motor Air-cooled Condenser Drain Pan Compressor Front...

  • Page 28: [G] Im-100Ne, Im-130Ne

    [g] IM-100NE, IM-130NE (Air-cooled) IM-100NE, 130NE (Air-cooled) Water Valve Nameplate Top Panel Handle Door Front Cover Low Power Cord Louver/Air Filter Drain Pipe Front Rear Evaporator Water Plate Bin Control Switch Actuator Motor Hot Gas Valve Air-cooled Condenser Water Tank Pump Motor Compressor Fan Motor...

  • Page 29: [H] Im-100Wne, Im-130Wne

    IM-100WNE, 130WNE (Water-cooled) [h] IM-100WNE, IM-130WNE (Water-cooled) Water Valve Nameplate Top Panel Handle Door Power Cord Front Cover Low Drain Pipe Cooling Water Inlet Cooling Water Outlet Front Rear Evaporator Actuator Motor Water Regulator Water Tank Water-cooled Condenser Bin Control Switch Pump Motor Hot Gas Valve Drain Pan...

  • Page 30: [I] Im-240Ne

    [i] IM-240NE (Air-cooled) Water Valve Top Panel Front Panel (Upper) Nameplate Handle Bin Door Front Panel (Lower) Louver Air Filter Drain Pipe Power Cord Front Rear Evaporator Water Plate Actuator Motor Bin Control Switch Hot Gas Valve Water Tank Drain Pan Compressor Pump Motor Fan Motor...

  • Page 31: [J] Im-240Wne

    [j] IM-240WNE (Water-cooled) Water Valve Top Panel Front Panel (Upper) Nameplate Handle Bin Door Front Panel (Lower) Power Cord Drain Pipe Cooling Water Inlet Cooling Water Outlet Front Rear Evaporator Water Plate Actuator Motor Bin Control Switch Water-Cooled Condenser Water Tank Water Regulator Drain Pan Pump Motor...

  • Page 32: Controller Board

    2. CONTROLLER BOARD Note: Refer to the controller board service manual. IMPORTANT If receiving a service call, ask the user to turn off the power to the icemaker and turn it on again, while watching the icemaker. This will reset the controller, and in some cases normal operation will resume.

  • Page 33: [A] Controller Board Layout

    [a] CONTROLLER BOARD LAYOUT Main Board Sub Board Combination...

  • Page 34: [B] Input/Output Layout

    [b] INPUT/OUTPUT LAYOUT Hall IC Input XA Connector (4P) Bin Control Switch / Pressure Switch / Condenser Thermistor Input XA Connector (6P) Cube Control Thermistor Input XA Connector (2P) 7-Segment Double- Digit Display Data Input/Output PA Connector (8P) Reset Button 10.5V AC Input VH Connector (2P) Close Button Open Button...

  • Page 35: [C] Before Checking Controller Board

    [c] BEFORE CHECKING CONTROLLER BOARD Check the power source voltage and the components as shown in the table below. Component Procedure Normal 1. Thermistor NOTICE 5 -7 kilohms (on evaporator) Thermistor sensor part is fragile, glass sealed. Handle with care. Holder * Disconnect the connector CN13 on Screw...

  • Page 36: Operating Instructions

    III. OPERATING INSTRUCTIONS WARNING The use of any electrical equipment involves the observance of some fundamental rules. In particular: * Instances of high humidity and moisture increase the risk of electrical short circuits and potential electrical shocks. If in doubt, disconnect the icemaker.

  • Page 37: Start Up

    * Close the door after removing ice to prevent entrance of dirt, dust or insects into the storage bin. 1. START UP 1) Disconnect the power supply. 2) Open the water tap. 3) Connect the power supply and energise. 4) The following should occur in sequence: a) Hot gas valve will open.

  • Page 38: [B] Im-100, 130, 240

    5) Unplug the icemaker or disconnect the power source when the water pan has fully opened. 6) Remove all ice from the storage bin, and clean the bin. 7) Replace the front panel in its correct position. 8) Replace the inlet hose in its correct position. [b] IM-100, 130, 240 [Normal Position] 1) Close the water supply tap, and remove the...

  • Page 39: Bin Control

    3. BIN CONTROL Bin control switch is mounted on the upper side of the storage bin. This switch will turn off the unit automatically when the storage bin is full of ice. Handle the bin control switch carefully, because the switch assembly is fragile. Especially on removing ice, do not touch Running Bin full...

  • Page 40: [B] Removal

    [b] REMOVAL BRACKET COVER Push the two pawls and remove the bracket cover. SWITCH Pull out the switch, holding the rubber leads cap. Handle with care. SWITCH ACTUATOR Insert a flat blade screwdriver and wrench it slightly to pull out the switch actuator. Handle with care to prevent damage to the cam surface of the actuator.

  • Page 41: Maintenance Instructions

    1) Either mix 1 litre of water with 4 ml of 5.25% sodium hypochlorite solution in a suitable container, or the recommended Hoshizaki sanitiser as directed. 2) Soak the scoop in the solution for more than 3 minutes. Rinse thoroughly, and shake to remove surplus liquid.
  • Page 42 4) Either mix 5 litres of water with 18 ml of 5.25% sodium hypochlorite solution in a suitable container, or the recommended Hoshizaki sanitiser as directed. 5) Soak a clean sponge or cloth with the solution, and wipe the bin liner, bin door and slope.

  • Page 43: Water Valve

    NOTICE After cleaning, be sure to place the air filter back in position. 2. WATER VALVE 1) Unplug the icemaker or disconnect the power source. 2) Close the water supply tap. 3) Remove the top panel and front panel. 4) Disconnect the inlet hose from the water valve. 5) Remove the mesh filter from the water valve.

  • Page 44: Water-Cooled Condenser

    3. WATER-COOLED CONDENSER Deposits inside the water circuit of the water-cooled condenser decrease cooling performance. Clean inside of the condenser by circulating a cleaning solution. 1) Prepare the following: Cleaning solution [Read and follow any instructions on label or bottle.] Pump Container for solution Hose...

  • Page 45: Icemaking Water System

    Always wear rubber gloves, eye protectors, apron, etc. for safe handling of the cleaner and sanitizer. NOTICE 1. Use the cleaners and sanitizers recommended by Hoshizaki. Contact your local Hoshizaki office for further details. (The instructions below give an example of those recommended cleaners and sanitizers.) 2.
  • Page 46 16) Use a suitable container to dilute 44 ml of 5.25% sodium hypochlorite solution with 11.4 lit. of water. * Alternatively use the Hoshizaki recommended sanitizer as directed by the relevant instructions.
  • Page 47 17) Close the water supply tap. Plug in the icemaker or connect the power source. When the 7-segment display on the controller board turns on, press DOWN on the controller board for 3 seconds to start the flush mode. 18) When the flush mode has started, pour the cleaning solution prepared in 16) carefully into the water tank within 60 seconds before the pump motor starts.

  • Page 48: Technical Information

    V. TECHNICAL INFORMATION 1. WATER CIRCUIT AND REFRIGERANT CIRCUIT [a] IM-21CNE, IM-30CNE, IM-45CNE, IM-45NE, IM-65NE (Air-cooled) Accumulator Evaporator Water Valve Water Tank Water Heat Pump Exchanger Hot Gas Valve Strainer Compressor Fan Motor Drier Condenser...

  • Page 49: [B] Im-100Cne, Im-100Ne, Im-130Ne, Im-240Ne

    [b] IM-100CNE, IM-100NE, IM-130NE, IM-240NE (Air-cooled) Water Valve Expansion Valve Evaporator Thermistor Controller Board Expansion Valve Bulb Water Pan Water Pump Condenser Thermistor Hot Gas Fan Motor Valve Strainer Compressor Drier Water Circuit Refrigerant Circuit...

  • Page 50: [C] Im-65Wne

    [c] IM-65WNE (Water-cooled) Accumulator Evaporator Water Valve Water Tank Water Heat Pump Exchanger Hot Gas Valve Strainer Compressor Water Regulating Valve Condenser Pressure Switch Drier...

  • Page 51: [D] Im-30Cwne, Im-45Wne, Im-100Wne, Im-130Wne, Im-240Wne

    [d] IM-30CWNE, IM-45WNE, IM-100WNE, IM-130WNE, IM-240WNE (Water-cooled) Water Valve Expansion Valve Evaporator Thermistor Controller Board Expansion Valve Bulb Water Pan Water Pump Water Regulating Valve Condenser Drier Pressure Hot Gas Switch Valve Strainer Compressor Water Circuit Refrigerant Circuit...

  • Page 52: Wiring Diagram

    2. WIRING DIAGRAM [a] IM-21CNE, IM-30CNE, IM-30CWNE...

  • Page 53: [B] Im-45Cne, Im-45Ne, Im-45Wne, Im-65Ne, Im-65Wne

    [b] IM-45CNE, IM-45NE, IM-45WNE, IM-65NE, IM-65WNE...

  • Page 54: [C] Im-100Cne, Im-100Ne, Im-100Wne, Im-130Ne, Im-130Wne

    7. Wiring Diagram IM-100CNE,100NE, 100WNE, 130NE, 130WNE [c] IM-100CNE, IM-100NE, IM-100WNE, IM-130NE, IM-130WNE...

  • Page 55: [D] Im-240Ne, Im-240Wne

    [d] IM-240NE, IM-240WNE...

  • Page 56: Performance Data

    3. PERFORMANCE DATA Ice Production = Capacity when shipped from factory Values for water-cooled models are for icemaking water only. Use a cooling tower for cooling water. Cube Hole Diameter: 5mm (15mm) for -28, -23, -32 3mm (7mm) for -21 6mm for -Q ball ice (45mm dia) 5mm for -S star ice, -H heart ice 10mm for -LM, -LM103 Ambient Temp.
  • Page 57 Water Consumption (lit/h) 9.0 (11.2) 5.3 (6.1) 4.5 (5.7) 4.0 (5.1) Electric Consumption (W) Head Pressure [peak] (bar) 12.0 15.0 IM-45WNE Ice Production (kg/d) 45 (47) 38 (40) 35 (37) 32 (34) Freeze Cycle Time (min) 19.5 (17.7) 23.6 (21.2) 25.8 (23.1)
  • Page 58 Ambient Temp. (°C) Model Water Temp. (°C) Cube Hole Diameter (mm) 5 (15) 5 (15) 5 (15) 5 (15) IM-45WNE-25 Ice Production (kg/d) 39 (43) 40 (42) 37 (41) 46 (40) (60Hz) Freeze Cycle Time (min) 18.3 (13.8) 18.5 (14.4) 19.7 (14.9)
  • Page 59 Ambient Temp. (°C) Model Water Temp. (°C) Cube Hole Diameter (mm) 5 (15) 5 (15) 5 (15) 5 (15) IM-65NE Ice Production (kg/d) 55 (62) 52 (58) 43 (47) 40 (44) (60Hz) Freeze Cycle Time (min) 19.9 (15.9) 23.1 (18.9) 29.6 (24.4) 32.0 (26.1) Defrost Cycle Time (min)
  • Page 60 Ambient Temp. (°C) Model Water Temp. (°C) Cube Hole Diameter (mm) 5 (15) 5 (15) 5 (15) 5 (15) IM-100NE-C Ice Production (kg/d) 77 (85) 74 (81) 65 (71) 60 (66) Freeze Cycle Time (min) 28.4 (22.0) 31.6 (25.1) 38.5 (31.2) 42.4 (34.2) Defrost Cycle Time (min) 6.2 (6.0)
  • Page 61 Ambient Temp. (°C) Model Water Temp. (°C) Cube Hole Diameter (mm) 5 (15) 5 (15) 5 (15) 5 (15) IM-100WNE Ice Production (kg/d) 95 (104) 90 (98) 84 (92) 76 (83) Freeze Cycle Time (min) 23.9 (19.9) 26.1 (21.9) 28.5 (23.5) 31.8 (26.4) (60Hz) Defrost Cycle Time (min)

  • Page 62: [A] Copeland Compressor

    Ambient Temp. (°C) Model Water Temp. (°C) Cube Hole Diameter (mm) 5 (15) 5 (15) 5 (15) 5 (15) IM-100CNE Ice Production (kg/d) 88 (98) 85 (93) 75 (83) 70 (75) (60Hz) Freeze Cycle Time (min) 23.9 (18.8) 26.2 (21.4) 32.6 (26.8) 35.0 (29.8) Defrost Cycle Time (min)
  • Page 63 Suction Pressure Peak (bar) IM-130_NE Evaporator Inlet Temp. (°C) Suction Pressure Peak (bar) IM-240_NE Evaporator Inlet Temp. (°C) Suction Pressure Peak (bar) IM-100_NE-21 Evaporator Inlet Temp. (°C) -9.0 Suction Pressure Peak (bar) IM-100_NE-23 Evaporator Inlet Temp. (°C) Suction Pressure Peak (bar) IM-130_NE-23 Evaporator Inlet Temp.

  • Page 64: [B] Secop (Danfoss) Compressor

    [b] SECOP (DANFOSS) COMPRESSOR Ice Production = Capacity when shipped from factory Values for water-cooled models are for icemaking water only. Use a cooling tower for cooling water. Cube Hole Diameter: 5mm (15mm) for -28, -23, -32 3mm (7mm) for -21 Ambient Temp.

  • Page 65: Service Diagnosis

    VI. SERVICE DIAGNOSIS 1. ERROR CODE INDICATION * See the controller board service manual for detailed diagnosis and remedies. * The error and caution codes other than E1 and E2 are indicated as “EE” in the 7-segment display at the time of occurrence.

  • Page 66: Error Code Indication

    2. NO ERROR CODE INDICATION Problem Check Possible Cause Remedy Icemaker will Power source Turned off. Turn on. not start. Supply voltage too low. Remove cause Power failure Wait until power is resumed. Transformer Defective. Replace. Power cord Not connected properly. Reconnect.
  • Page 67 Problem Check Possible Cause Remedy Imperfect ice Insufficient water Water valve filter clogged. Clean. production. supply Water supply cycle too short. Extend. Water supply pressure too low. Remove cause. Water leaks from Water tank broken. Replace. water tank or Water plate broken. Replace.

  • Page 68: Adjustment

    VII. ADJUSTMENT 1. EXPANSION VALVE The expansion valve is factory-adjusted. Do not adjust it except at replacement or service. Adjust the valve setting, if necessary, as follows: 1) Remove the cap nut. 2) Rotate the adjust screw by using a flat blade screwdriver. 3) Watch holes of ice cubes produced.

  • Page 69: Water Regulating Valve - Water-Cooled Model Only

    2. WATER REGULATING VALVE - WATER-COOLED MODEL ONLY The water regulating valve is factory-adjusted. Do not adjust it except at replacement or service. Adjust the valve setting, if necessary, as follows: 1) Attach a pressure gauge to high-side line, or prepare a thermometer to check condenser drain temperature.

  • Page 70: Full Drain Flush

    3. FULL DRAIN FLUSH In some hard water areas, white ice and scaling can be caused. In such case, install a filter or softener, and change the flush mode from “partial drain flush” to “full drain flush” according to the following instructions. Full drain flush –...

  • Page 71: Removal And Replacement

    VIII. REMOVAL AND REPLACEMENT 1. SERVICE FOR REFRIGERANT LINES [a] SERVICE INFORMATION 1) Allowable Compressor Opening Time and Prevention of Lubricant Mixture [R134a/R404A] The compressor must not be opened more than 30 minutes in replacement or service. Do not mix lubricants of different compressors even if both are charged with the same refrigerant, except when they use the same lubricant.

  • Page 72: [B] Refrigerant Recovery

    oily inside. The residual oil in copper tubes should be as little as possible. (Low residual oil type copper tubes are used in the shipped units.) 7) Evacuation, Vacuum Pump and Refrigerant Charge [R134a/R404A] Never allow the oil in the vacuum pump to flow backward. The vacuum level and vacuum pump may be the same as those for the current refrigerants.

  • Page 73: [C] Evacuation And Recharge

    [c] EVACUATION AND RECHARGE IM-21, 30, 45, 65, 100 (R134a) 1) Attach a charging hose of a gauge manifold to a vacuum pump and the low-side access valve. 2) Open the low-side valve on the gauge manifold, and turn on the vacuum pump. 3) Allow the vacuum pump to pull down to a 760 mmHg vacuum.

  • Page 74: Compressor

    5) Disconnect the vacuum pump, and attach a refrigerant charging cylinder to accurately weigh in the liquid charge. Remember to purge any air from the charging hose. See the nameplate for the required refrigerant charge. 6) Open the high-side valve on the gauge manifold and the valve on the charging cylinder.

  • Page 75: Drier

    17) Replace the panels in their correct positions. 18) Plug in the icemaker or connect the power source. Note: Hoshizaki recommends that compressor starting electrics are always replaced at the same time as the compressor. 3. DRIER 1) Unplug the icemaker or disconnect the power source.

  • Page 76: Expansion Valve

    10) Plug in the icemaker or connect the power source. Note: Always use a drier of the correct capacity and refrigerant type. 4. EXPANSION VALVE 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.

  • Page 77: Evaporator

    5. EVAPORATOR 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. 1) Unplug the icemaker or disconnect the power source. 2) Remove the front and rear panels.

  • Page 78: Hot Gas Valve

    6. HOT GAS VALVE 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. 1) Unplug the icemaker or disconnect the power source. 2) Remove the front and rear panels.

  • Page 79: Water Regulating Valve - Water-Cooled Model Only

    7. WATER REGULATING VALVE - WATER-COOLED MODEL ONLY [a] VALVE BODY 1) Unplug the icemaker or disconnect the power source. 2) Close the water supply tap. 3) Remove the front and rear panels. 4) Disconnect the flare connections of the water regulating valve. 5) Remove the valve from the bracket.
  • Page 80 6) Cut off the capillary tubes of the valve and high-pressure switch, using a file and pliers. Be careful not to damage the capillary tube end. 7) Disconnect the flare connections from the bracket. 8) Remove the screws and the valve from the bracket. 9) Install the new valve, and insert the capillary tubes into the copper tube.

  • Page 81: Water Pan Assembly

    8. WATER PAN ASSEMBLY 1) Remove the top and front panels. 2) Push the reset switch on the control box to open the water pan. 3) Unplug the icemaker or disconnect the power source. 4) Disconnect the pump motor leads in the wiring channel. 5) Remove the two extension springs from the cams.
  • Page 82 Water Plate Water Tank Tapping Screw Lubrication Plate Drain Guide Spring Hook Screw Water Pan Bracket Tapping Screw Pump Motor Bracket Tapping Screw Pump Motor Hex Head Bolt Flat Washer Flange Nut Discharge Tubing Suction Tubing Nylon Tie Silicone Tube Fig.

  • Page 83: Pump Motor

    9. PUMP MOTOR 1) Unplug the icemaker or disconnect the power source. 2) Remove the top panel and front panel. 3) Disconnect the pump motor leads in the wiring channel. 4) Unscrew and remove the pump motor from the bracket. 5) Disconnect the pump suction and discharge tubings.

  • Page 84: Actuator Motor

    11. ACTUATOR MOTOR 1) Remove the top panel and front panel. 2) Push the reset switch on the control box to open the water pan. 3) Unplug the icemaker or disconnect the power source. 4) Remove the extension spring (actuator motor side) from the cam. 5) Disconnect the actuator motor leads in the wiring channel.

  • Page 85: Cam

    12. CAM [a] CAM (A) - ACTUATOR MOTOR SIDE Refer to “11. ACTUATOR MOTOR”. [b] CAM (B) - REAR SIDE 1) Remove the top panel and front panel. 2) Push the reset switch on the control box to open the water pan. 3) Unplug the icemaker or disconnect the power source.
  • Page 86 Actuator Motor Assembly Bin Switch Assembly Water Pan Assembly Ice Making Mechanism Bracket Machine Screw Flange Nut Cam Shaft Bearing Machine Screw Cam Shaft Cam (B) Cotter Pin Water Pan Bearing (Front) Water Pan Bearing (Rear) Flange Nut Spring Tapping Screw Spacer Washer Evaporator Screw...

  • Page 87: Controller Board

    13. CONTROLLER BOARD IMPORTANT Some adjustment will be required for the controller board to fit the icemaker models. Do not repair any parts and electronic devices on the controller board in the field. Replace the whole board with a new service board. 1) Unplug the icemaker or disconnect the power source.
  • Page 88 IM-21CNE, 30CNE/CWNE Control Box (A) Control Box (B) Tapping Screw Control Box (C) Board Support Controller Board Transformer Transformer Cover Power Relay Tapping Screw Capacitor Tapping Screw Capacitor Fuse Holder Fuse Grommet Grommet Machine Screw Cube Control Thermistor Control Box Cover Screw Control Label Fuse Label...
  • Page 89 IM-45CNE/NE/WNE, 65NE/WNE Control Box (A) Control Box (B) Tapping Screw Box Plate Board Support Controller Board Transformer Power Relay Tapping Screw Capacitor Tapping Screw Capacitor Fuse Holder Fuse Grommet Grommet Machine Screw Cube Control Thermistor Control Box Cover Control Label Fuse Label Wiring Label Fig.
  • Page 90 IM-100CNE/NE/WNE, 130NE/WNE Control Box (A) Control Box (B) Tapping Screw Box Plate Board Support Controller Board Transformer Power Relay Tapping Screw Capacitor Capacitor Fuse Holder Fuse Grommet Grommet Machine Screw Cube Control Thermistor Control Box Cover Control Label Fuse Label Wiring Label Box Separator Fig.
  • Page 91 IM-240NE/WNE Control Box (B) Control Box - Body (G) Tapping Screw Board Support Controller Board Transformer Power Relay Capacitor Fuse Holder Fuse Grommet Grommet Start Capacitor Run Capacitor Band Flange Bolt (S-TITE) Starter Tapping Screw (S-TITE) [IM-240NE] Capacitor Capacitor [IM-240NE] Spring Washer Control Box Cover Control Label...

  • Page 92: Thermistor For Cube Control

    14. THERMISTOR FOR CUBE CONTROL 1) Unplug the icemaker or disconnect the power source. 2) Remove the top and front panels. 3) R e m o v e t h e c o n n e c t o r C N 1 3 o n t h e c o n t r o l l e r b o a r d , r e f e r r i n g t o “ 1 3 . CONTROLLER BOARD”.

  • Page 93: Fan Motor - Air-Cooled Model Only

    15. FAN MOTOR - AIR-COOLED MODEL ONLY 1) Unplug the icemaker or disconnect the power source. 2) Remove the top and rear panels. 3) Disconnect the connector of the fan motor. 4) Remove the fan motor bracket and the fan motor. 5) Cut the leads of the fan motor allowing enough lead length to reconnect using closed end connectors.

This manual is also suitable for:

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