Hoshizaki F-330BAH Service Manual
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Hoshizaki F-330BAH Service Manual

Self-contained flaker
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Hoshizaki
Hoshizaki America, Inc.
"A Superior Degree
of Reliability"
www.hoshizaki.com
Self-Contained Flaker
Model
F-330BAH(-C)
SERVICE MANUAL
®
Number:
73151
Issued: 8-2-2007

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Summary of Contents for Hoshizaki F-330BAH

  • Page 1 Hoshizaki Hoshizaki America, Inc. Self-Contained Flaker Model F-330BAH(-C) SERVICE MANUAL “A Superior Degree of Reliability” www.hoshizaki.com ® Number: 73151 Issued: 8-2-2007...
  • Page 2 HOSHIZAKI provides this manual primarily to assist qualified service technicians in the service and maintenance of the unit. Should the reader have any questions or concerns which have not been satisfactorily addressed, please call, write or send an e-mail message to the HOSHIZAKI Technical Support Department for assistance. HOSHIZAKI AMERICA, INC.

  • Page 3: Table Of Contents

    This manual should be made available to the technician prior to service or maintenance. CONTENTS I. Specifications ........................5 A. Icemaker ........................5 1. F-330BAH ........................ 5 . F-330BAH-C ......................6 II. General Information ......................7 A. Construction ........................7 B. Ice Making Unit ......................8 C.
  • Page 4 B. Removal and Replacement of Compressor ..............3 C. Removal and Replacement of Evaporator Assembly Components ......33 ..............34 1. Upper Bearing Wear Check . Removal and Replacement of Cutter..............34 3. Removal and Replacement of Extruding Head ............. 35 4.

  • Page 5: Specifications

    I. Specifications A. Icemaker 1. F-330BAH AC SUPPLY VOLTAGE 115/60/1 AMPERAGE 6.7A ( AT 104°F/ WT 80°F ) MINIMUM CIRCUIT AMPACITY MAXIMUM FUSE SIZE APPROXIMATE ICE PRODUCTION Ambient WATER TEMP. (°F) PER 24 HR. Temp.(°F) lbs./day ( kg/day ) * 330(150)

  • Page 6: F-330Bah-C

    2. F-330BAH-C Intentionally Left Blank Note: We reserve the right to make changes in specifications and design without prior notice.

  • Page 7: General Information

    II. General Information A. Construction F-330BAH(-C) Control Box Bin Control The switch actuator is located in the ice storage bin. Condenser Bracket Ice Storage Bin Front Air-Cooled Condenser & Condenser Fan Motor Control Water Valve Spout Spout Safety Switch Evaporator...

  • Page 8: Ice Making Unit

    B. Ice Making Unit 1. F-330BAH(-C) Cutter Heater (-C model only) Extruding Head Upper Bearing Allen Head Cap Screw M8×14 Auger Insulation Cylinder Mechanical-Seal O-Ring Allen Head Cap Screw M6×10 Housing-Lower Bearing Hexagon Head Bolt Coupling Spline M6×0 Gear Motor...

  • Page 9: Control Box Layout

    Capacitor - Gear Motor Flush Relay (X5) Water Control Relay (X4) Gear Motor Protect Relay (X3) 1. Control Timer Board • A HOSHIZAKI exclusive solid-state control timer board is employed in Hoshizaki flaker icemakers. • All models are pre-tested and factory-adjusted. CAUTION 1.

  • Page 10: Sequence Of Operation

    D. Sequence of Operation Hoshizaki utilizes a solid state control timer board to switch the components on and off as needed. The sequence is as follows: 1. Startup Flush switch in "ICE" position, power switch in "ON" position. FR energizes.

  • Page 12: Technical Information

    III. Technical Information A. Water Circuit and Refrigeration Circuit F-330BAH(-C)

  • Page 13: Wiring Diagram

    B. Wiring Diagram F-330BAH(-C)

  • Page 14: Sequence Of Electrical Circuit

    C. Sequence of Electrical Circuit 1. Fill Cycle When power switch is moved to "ON" position, water is supplied to reservoir. F-330BAH(-C)

  • Page 15: Ice Purge Cycle

    2. Ice Purge Cycle When reservoir has filled, gear motor starts. F-330BAH(-C)

  • Page 16: Freeze Cycle

    3. Freeze Cycle Compressor and condenser fan motor start about 60 sec. after gear motor starts. F-330BAH(-C)

  • Page 17: Shutdown

    4. Shutdown Compressor and condenser fan motor stop about 90 sec. after bin control operates, gear motor stops about 60 sec. later. Flush water valve then operates. F-330BAH(-C)

  • Page 18: Cleaning - Flush Switch

    5. Cleaning - Flush Switch Compressor and condenser fan motor stop about 90 sec. after manually moving flush switch to "FLUSH" position. Gear motor stops about 60 sec. later. Flush water valve then operates. F-330BAH(-C)

  • Page 19: Low Water Safety

    6. Low Water Safety If upper float switch fails to close, water valve remains open until upper float switch closes and water control relay energizes. F-330BAH(-C)

  • Page 20: Spout Safety Switch

    7. Spout Safety Switch When safety switch is activated, the safety relay operates, and the icemaker does not run. F-330BAH(-C)

  • Page 21: High Pressure Switch

    8. High Pressure Switch In case of high pressure, pressure switch shuts down unit. F-330BAH(-C)

  • Page 22: Performance Data

    D. Performance Data 1. F-330BAH APPROXIMATE Ambient Water Temp. (°F) ICE PRODUCTION Temp. (°F) PER 24 HR. *330 *(150) (143) (136) (132) (127) (123) (116) *250 *(113) (107) lbs./day (kg/day) (104) (100) *205 *(93) APPROXIMATE ELECTRIC *562 CONSUMPTION *606 watts...
  • Page 23 2. F-330BAH-C Intentionally Left Blank Note: 1. The data without * should be used for reference only. . We reserve the right to make changes in specifications and design without prior notice.

  • Page 24: Service Diagnosis

    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, proper voltage per unit nameplate and adequate water supply. 1) Unplug the unit from the electrical outlet and access the control panel. ) Plug the unit back in.

  • Page 25: Ice Production Check

    6) Refill/Low Water Safety Cycle – As ice is produced, the water level in the reservoir drops. As it drops, the upper float switch and lower float switch open. The upper float switch opens first. Nothing occurs at this time. When the lower float switch opens, the refill begins.

  • Page 26: Diagnostic Charts

    C. Diagnostic Charts 1. No Ice Production Problem Possible Cause Remedy [1] The icemaker will a) Power Supply 1. Off. 1. Turn on. not start. (fill cycle, . Power cord . Plug into receptacle. control water valve) unplugged. 3. Loose connection. 3.
  • Page 27 Problem Possible Cause Remedy [1] The icemaker will not j) Water Control Relay 1. Bad contacts. 1. Replace. start. (continued.) . Open coil. . Replace. k) Control Water Valve 1. Coil winding opened. 1. Replace. l) Shut-off Valve 1. Closed. 1.

  • Page 28: Low Ice Production

    Problem Possible Cause Remedy [4] Gear motor starts, e) Compressor 1. Loose connections. 1. Tighten. but compressor will . Motor winding opened . Replace. not start or operates or grounded. intermittently. 3. Compressor locked 3. Replace compressor. (continued) and motor protector tripped.

  • Page 29: Other

    3. Other Problem Possible Cause Remedy [1] Abnormal noise a)Fan Motor 1. Bearing worn out. 1. Replace. . Fan blade deformed. . Replace fan blade. 3. Fan blade does not 3. Replace. move freely. b)Compressor 1. Bearings worn out, or 1.

  • Page 30: Removal And Replacement Of Components

    V. Removal and Replacement of Components Components in this section are accessed through the front, top and rear of the unit. The storage bin assembly may be removed for repairs requiring access outside the stated procedures. For details, see "V.G. Removal of Bin Assembly." IMPORTANT 1.

  • Page 31: Evacuation And Recharge (R-404A)

    5) Disconnect the vacuum pump, and attach a refrigerant service cylinder to the service manifold. Remember to loosen the connection, and purge the air from the hose. See the nameplate for the required refrigerant charge. Hoshizaki recommends only virgin refrigerant or reclaimed refrigerant which meets ARI Standard No. 700-88 be used.

  • Page 32: Removal And Replacement Of Compressor

    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 with the replacement compressor.

  • Page 33: Removal And Replacement Of Evaporator Assembly Components

    C. Removal and Replacement of Evaporator Assembly Components CAUTION Make sure that the safety switch components and spout are properly installed after making repairs in the evaporator assembly. Failure to install the safety switch components and spout correctly could result in serious damage to the unit.

  • Page 34: Upper Bearing Wear Check

    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. .0" Round Stock 1) Remove the panels. Move the power switch or Pin Gauge to the "OFF"...

  • Page 35: Removal And Replacement Of Extruding Head

    7) Plug the unit back in. Move the power switch to the "ON" position. 8) Replace the panels in their correct positions. 3. Removal and Replacement of Extruding Head 1) Remove the panels. Move the power switch to the "OFF" position and unplug the unit from the electrical outlet.

  • Page 36: Removal And Replacement Of Evaporator

    6) Remove the allen head cap screws securing the extruding head. Using the cutter, lift out the auger assembly. 7) Remove the cutter and extruding head from the auger and place them on the new auger. 8) Install the new auger. 9) Replace the removed parts in the reverse order of which they were removed.

  • Page 37: Removal And Replacement Of Mechanical Seal And Lower Housing

    14) Braze all fittings while purging with nitrogen gas flowing at a pressure of 3 to 4 PSIG. 15) Check for leaks using nitrogen gas (140 PSIG) and soap bubbles. 16) Evacuate the system, and charge it with refrigerant. See the nameplate for the required refrigerant charge.

  • Page 38: Removal And Replacement Of Gear Motor

    11) Install the O-ring and mount the lower housing on the gear motor. 1) Install the lower part of mechanical seal on the lower housing. 13) Lower the evaporator down and secure it to the lower housing. 14) Install the auger assembly with the upper part of the mechanical seal attached. 15) Replace the removed parts in the reverse order of which they were removed.

  • Page 39: Removal And Replacement Of Control Water Valve

    6) Plug the unit back in and move the power switch to the "ON" position. 7) Replace the panels in their correct positions. E. Removal and Replacement of Control Water Valve 1) Remove the panels. Move the power switch to the "OFF" position and unplug the unit from the electrical outlet.

  • Page 40: Removal Of Bin Assembly

    G. Removal of Bin Assembly 1) Remove the front panel. Move the flush switch to the "FLUSH" position to drain the water from the evaporator. ) Move the power switch to the "OFF" position and unplug the unit from the electrical outlet.
  • Page 41 Top Panel Bin Control Assembly Top Insulation Upper Panel Spout (B) Bin Assembly Rear Panel Front Panel Safety Bracket (A) Water Valve Bracket Safety Switch Spout (A) Safety Bracket (B) Reservoir Bracket Drain Valve Bracket Water Connection Bracket Condenser Bracket Base Fig.

  • Page 42: Cleaning And Maintenance

    Be careful not to leave any solution in the storage bin. 1. Cleaning Solution Dilute 4.8 fl. oz. (14 ml) of recommended cleaner Hoshizaki "Scale Away" or "LIME-A-WAY" (Economics Laboratory, Inc.) with 0.8 gallons (3 l) of warm water. This is a minimum amount.
  • Page 43 6) Lift up the top insulation and unsnap the bin control assembly. Lift the assembly up Bin Control Assembly through the insulation and set it aside. See Fig. 7. 7) Remove the top insulation. 8) Remove the thumbscrews attaching spout (B) to the bin, then remove spout (B).

  • Page 44: Sanitizing Solution

    19) When the gear motor starts, remove the front panel and move the flush switch to the "FLUSH" position to drain out the water from the icemaker. 0) After the water has drained, move the power switch to the "OFF" position and unplug the unit.
  • Page 45 4) Remove the top panel. 5) Remove the bin control assembly from the top insulation and set it aside. Remove the top insulation. 6) Remove the thumbscrews attaching spout (B) to the bin, then remove spout (B). 7) Remove the thumbscrews attaching spout (A) and safety bracket (A) to the evaporator assembly, then remove spout (A) and safety bracket (A).

  • Page 46: Maintenance

    Lower Bearing Mechanical Seal Consult with your local distributor about inspection and maintenance service. To obtain the name and phone number of your local distributor, call Hoshizaki Technical Support at 1-800-33-1940 in the USA. 1. Stainless Steel Exterior To prevent corrosion, wipe the exterior occasionally with a clean and soft cloth. Use a damp cloth containing a neutral cleaner to wipe off oil or dirt build up.
  • Page 47 C. Preparing the Icemaker for Long Storage CAUTION When the icemaker is not used for two or three days under normal conditions, it is sufficient to only move the power 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 lines and remove the ice from the bin.

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F-330bahc

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