Hoshizaki F-330BAJ Service Manual
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Hoshizaki F-330BAJ Service Manual

Hoshizaki F-330BAJ Service Manual

Self-contained flaker
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Service Manual
Self-Contained Flaker
Models
F-330BAJ(-C)
hoshizakiamerica.com
Number: 73211
Issued: 2-17-2017

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Summary of Contents for Hoshizaki F-330BAJ

  • Page 1 Service Manual Self-Contained Flaker Models F-330BAJ(-C) Number: 73211 hoshizakiamerica.com Issued: 2-17-2017...
  • Page 2 Hoshizaki provides this manual primarily to assist qualified service technicians in the service of the appliance. Should the reader have any questions or concerns which have not been satisfactorily addressed, please call, send an e-mail message, or write to the Hoshizaki Technical Support Department for assistance. Phone: 1-800-233-1940; (770) 487-2331 Fax: 1-800-843-1056;...

  • Page 3: Table Of Contents

    IMPORTANT This manual should be read carefully before the appliance is serviced. Read the warnings and guidelines contained in this manual carefully as they provide essential information for the continued safe use, service, and maintenance of the appliance. Retain this manual for any further reference that may be necessary. CONTENTS Important Safety Information ....................
  • Page 4 B. Component Service Information .................. 39 V. Maintenance ........................47 VI. Disposal .......................... 49 VII. Technical Information ..................... 50 A. Specification & Performance Data Sheets ..............50 1. F-330BAJ ....................... 50 2. F-330BAJ-C ......................51 B. Wiring Diagram ......................52...

  • Page 5: Important Safety Information

    Important Safety Information Throughout this manual, notices appear to bring your attention to situations which could result in death, serious injury, damage to the appliance, or damage to property. WARNING Indicates a hazardous situation which could result in death or serious injury.
  • Page 6 WARNING, continued • Do not use an extension cord. • Do not use an appliance with a damaged power cord. The power cord should not be altered, jerked, bundled, weighed down, pinched, or tangled. Such actions could result in electric shock or fire. To unplug the appliance, be sure to pull the plug, not the cord, and do not jerk the cord.

  • Page 7: Construction And Water/Refrigeration Circuit Diagram

    I. Construction and Water/Refrigeration Circuit Diagram A. Construction 1. F-330BAJ(-C) Bin Control The switch actuator is located in the ice storage bin. Ice Storage Bin Control Box Front Spout Inlet Water Valve Evaporator Heater (-C Model) Spout Safety Switch Evaporator...

  • Page 8: Icemaking Unit

    B. Icemaking Unit 1. F-330BAJ(-C) Cutter Evaporator Heater (-C Model) Extruding Head Upper Bearing Seal Bolt Auger Insulation Cylinder Mechanical-Seal O-Ring Socket Head Cap Screw and Split Lock Washer Housing-Lower Bearing Hex Bolt and Washer Spline Coupling Gear Motor...

  • Page 9: Water/Refrigeration Circuit Diagram

    C. Water/Refrigeration Circuit Diagram Spout Inlet Water Valve Water Level Evaporator Condensate Drain Pan (Drip Pan) Float Switch Water Supply Line Insulation Reservoir Evaporator Overflow Hose Thermostatic Expansion Valve Drain Gear Motor Valve Gear Motor Drain Pan Bin Drain Hose Dip Tube Drain Hose Drain Outlet Condenser...

  • Page 10: Sequence Of Operation And Service Diagnosis

    II. Sequence of Operation and Service Diagnosis A. Sequence of Operation Flow Chart 1. Icemaking and Drain Cycle...

  • Page 11: Shutdown

    2. Shutdown Control Board Sequence of Operation Flow Chart - Shutdown 4a. Bin Control Shutdown & Restart Auxiliary Code: E-0 1. Bin Full 2. Icemaker Off 3. Icemaker Restart 6 to 10 sec. Ice level lowered to "2. Ice Purge Cycle" in Icemaking and Drain Cycle Chart BC open All Components...

  • Page 12: Service Diagnosis

    B. Service Diagnosis WARNING • The appliance should be diagnosed and repaired only by qualified service personnel to reduce the risk of death, electric shock, serious injury, or fire. • Risk of electric shock. Use extreme caution and exercise safe electrical practices. •...

  • Page 13: Diagnostic Procedure

    2. 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 appliance nameplate, and adequate water pressure (10 PSIG to 113 PSIG). Note: •...
  • Page 14 6) Startup–CB "POWER OK" LED is on. Turn on the power supply, then move the power switch to the "ON" position. Make sure the control switch is in the "ICE" position. CB "POWER OK" LED turns on. Diagnosis CB "POWER OK" LED: Check that CB "POWER OK" LED is on. If not, check for 115VAC at control transformer black (BK) wire to neutral (W).
  • Page 15 8) Ice Purge Cycle – "GM" LED is on. 5-sec. GM delay timer terminates. GM, CCR, FM, and EH (-C model) energize. Once CCR energizes, 5VDC circuit closes through CCR terminal #3 (W/O) and terminal #5 (W/O) and CB K9 #5 (W/O) and K9 #6 (W/O).
  • Page 16 10) Refill Cycle – "GM", "COMP", and "WTRIN" LEDs are on. LFS opens. WV energizes and 90-sec. FT starts. Comp, GM, CCR, and FM continue. LFS closes. Nothing occurs at this time. Reservoir continues to fill until UFS closes. When UFS closes, WV de-energizes, 90-sec. FT terminates, and 30-min. FZT starts. If UFS remains open longer than 90 sec.
  • Page 17 11) Drain Cycle a) 1-in-1 Drain Cycle: DV energizes once every hour when the 1-in-1 drain cycle is activated (S1 dip switch 4 in the "OFF" position (factory default position)). GM, FM, Comp continue. DV energizes for 2 sec. every hour. This setting is recommended for optimum icemaker performance.

  • Page 18: Control Board Check

    C. Control Board Check Before replacing a control board that does not show a visible defect and that you suspect is bad, always conduct the following check procedure. This procedure will help you verify your diagnosis. 1) Check CB S1 dip switch settings to assure that they are in the factory default position. For factory default settings, see "III.B.1.
  • Page 19 a) Control Switch – CB K9 #1 (W/BK) and CB K9 #2 (W/BK): 5VDC is present between CB white K5 connector, pin closest to CB red K4 connector and CB K9 #1 (W/BK) at all times. If 5VDC is not present, replace CB. When the control switch is in the "ICE"...
  • Page 20 5) Fill "WTRIN" LED is on: 24VAC is present at CB K2 #9 (W/R) at all times. If not, confirm 24VAC from CB K2 #9 (W/R) to a neutral (LBU). When LFS open at startup or opens during normal operation, "WTRIN" LED turns on, fill timer (FT) starts, freeze timer (FZT) terminates (only during normal operation), and WV energizes.
  • Page 21 Control Board Shown • K9 Connector (5VDC) High-Pressure Switch Control Switch #3 to #4 (yellow) (5VDC) #1 to #2 (white/black) (5VDC) Compressor Control Relay Circuit/Gear • "COMP" LED Motor Protect Relay Circuit (X1 Relay) #5 to #6 (white/orange) (5VDC) Comp •...

  • Page 22: Bin Control Check

    D. Bin Control Check Bin Control Check When the actuator paddle is not engaged BC is closed and the icemaker produces ice. With CB S1 dip switch 7 placed in the "OFF" position, BC is used as a stand-alone bin control.
  • Page 23 7) Remove the control box anchor screw and swing the control box to the right for control board access. See Fig. 4. Control Board Control Switch Control Power Switch Control Box Anchor Screw Control Fig. 4 8) Make sure the control switch is in the "ICE" position, then plug the appliance into the electrical outlet and move the power switch to the "ON"...

  • Page 24: Float Switch Check And Cleaning

    E. Float Switch Check and Cleaning 1. Float Switch Check A dual float switch is used to determine that there is sufficient water in the reservoir during fill and refill. CB monitors UFS to de-energize WV when UFS closes during fill and refill.
  • Page 25 3) Remove the float switch assembly from the reservoir cover. See Fig. 3. 4) Wipe down FS assembly with a mixture of 1 part Hoshizaki "Scale Away" and 25 parts warm water. 5) While not necessary, the floats can be removed from the shaft during cleaning. If you remove them, note that the blue float is on top.

  • Page 26: Diagnostic Tables

    F. Diagnostic Tables Before consulting the diagnostic charts, check for correct installation, proper voltage per appliance nameplate, and adequate water supply. Check control board using the steps in "II.C. Control Board Check." 1. No Ice Production No Ice Production - Possible Cause Startup 1.
  • Page 27 No Ice Production - Possible Cause Freeze Cycle 1. Control Board a) Defective. See "II.C. Control Board Check." 2. Start Relay/Capacitor a) Defective. 3. Compressor a) Open motor windings. b) Mechanical Failure. 4. Fan Motor a) Open motor windings. b) Mechanical failure or fan blade binding. 5.

  • Page 28: Controls And Adjustments

    III. Controls and Adjustments A. Control Board • A Hoshizaki exclusive control board is employed. • All models are pretested and factory adjusted. • For a control board check procedure, see "II.C. Control Board Check." NOTICE • Fragile, handle very carefully.

  • Page 29: Control Board Layout Shown

    1. Control Board Layout Shown: • K9 Connector (5VDC) High-Pressure Switch Control Switch #3 to #4 (yellow) (5VDC) #1 to #2 (white/black) (5VDC) Compressor Control Relay Circuit/Gear • "COMP" LED Motor Protect Relay Circuit (X1 Relay) #5 to #6 (white/orange) (5VDC) Comp •...

  • Page 30: Led Lights And Audible Alarm Safeties

    2. LED Lights and Audible Alarm Safeties The "POWER OK" LED indicates proper control voltage and will remain on unless a control voltage problem occurs. For further details, see "II.A. Sequence of Operation Flow Chart." Energized Sequence Step Components Min. Max.

  • Page 31: Ice Purge Cycle Bypass

    Dip switches are factory set. Failure to maintain factory settings may adversely affect performance and warranty coverage. For more information, contact your Hoshizaki Certified Service Representative. 1. Default Dip Switch Settings The S1 dip switch settings are factory-set to the following positions: Dip Switch No.

  • Page 32: Infrared Sensor Shutdown Delay (S1 Dip Switch 1, 2, 3)

    For a typical dispenser unit application, a 100-sec. shutdown delay is recommended. When used with a standard Hoshizaki ice storage bin, any shutdown delay setting is acceptable. WARNING! Increasing the shutdown delay allows a higher level of ice in the dispenser unit/ice storage bin before shutdown.

  • Page 33: Bin Control Selector (S1 Dip Switch 7)

    5. Bin Control Selector (S1 dip switch 7) The bin control selector is factory set. Do not adjust. When used on a standard ice storage bin, only the mechanical bin control should be used. When the mechanical bin control is used (S1 dip switch 7 in the off position), the gear motor delay after the upper float switch closes is 5 sec.

  • Page 34: Mechanical Shutdown Delay (S1 Dip Switch 9) Auxiliary Code F-0 And Later

    7. Mechanical Shutdown Delay (S1 dip switch 9) Auxiliary Code F-0 and Later The shutdown delay is the time between the bin control micro-switch opening and the control board shutting down the appliance. WARNING! Do not adjust S1 dip switch 9 out of the factory default position.

  • Page 35: Power Switch And Control Switch

    C. Power Switch and Control Switch The power switch and the control switch are used to control the icemaker. They are located on the control box. 1. Power Switch The power switch has 2 positions, "OFF" and "ON." When the power switch is in the "OFF"...

  • Page 36: Refrigeration Circuit And Component Service Information

    IV. Refrigeration Circuit and Component Service Information WARNING • This appliance should be diagnosed and repaired only by qualified service personnel to reduce the risk of death, electric shock, serious injury, or fire. • Move the power switch to the "OFF" position and turn off the power supply. Place the disconnect in the "OFF"...
  • Page 37 5) Disconnect the gauge manifold hose from the vacuum pump and attach it to a refrigerant service cylinder. Remember to loosen the connection and purge the air from the hose. For the required refrigerant charge, see the nameplate. Hoshizaki recommends only virgin refrigerant or reclaimed refrigerant which meets ARI Standard...
  • Page 38 6) A liquid charge is required when charging an R-404A system (to prevent fractionation). Place the service cylinder on the scales; if the service cylinder is not equipped with a dip tube, invert the service cylinder, then place it on the scales. Open the high-side valve on the gauge manifold.

  • Page 39: Component Service Information

    If new seal bolts do not have preapplied threadlocker, apply Loctite 243 or equivalent threadlocker to seal bolt threads. Tighten to the torque values listed below. Torque for F-330BAJ(-C): 11.1 ft-lb/15 N·m. Tighten 2 times. Allow at least 5 sec. in between each tightening. Component...
  • Page 40 Evaporator Assembly -C Cutter Flaker Cutter Upper Bearing (pressed into Upper Bearing extruding head) (pressed into extruding head) -C Extruding Head Flaker Extruding Head Auger O Ring Evaporator Flange Packing Evaporator Heater (-C Model) Seal Bolts Inspect for leakage around seal bolts. Tighten (11.1 ft-lb/15 N·m) or replace as necessary.
  • Page 41 1. Upper Bearing Wear Check To ensure that the bearing inside the extruding head does not exceed the wear tolerance of .02", follow the instructions below. 1) Remove the front panel. Move the power switch to the "OFF" position, then turn off the power supply.
  • Page 42 Loctite 243 or equivalent threadlocker to seal bolt threads. • Torque for F-330BAJ(-C): 11.1 ft-lb/15 N·m. Tighten 2 times. Allow at least 5 sec. in between each tightening. 3. Removal and Replacement of Extruding Head 1) Drain the water from the evaporator.
  • Page 43 4. Removal and Replacement of Auger 1) Drain the water from the evaporator. a) Remove the front panel, then move the power switch to the "OFF" position. b) Move the control switch to the "DRAIN" position. c) Move the power switch to the "ON" position and allow the water to drain from the evaporator.
  • Page 44 16) Evacuate the system, and charge it with refrigerant. For air-cooled and water-cooled models, see the nameplate for the required refrigerant charge. For remote models, see the rating label inside the icemaker. Hoshizaki recommends only virgin refrigerant or reclaimed refrigerant which meets AHRI Standard 700 (latest edition) be used.
  • Page 45 6. Removal and Replacement of Mechanical Seal and Lower Housing 6a. Mechanical Seal 1) Drain the water from the evaporator. a) Remove the front panel, then move the power switch to the "OFF" position. b) Move the control switch to the "DRAIN" position. c) Move the power switch to the "ON"...
  • Page 46 15) Replace the top and side panels in their correct positions. 16) Move the control switch to the "ICE" position. 17) Move the power switch to the "ON" position, then turn on the power supply. 18) Replace the front panel in its correct position. 7.

  • Page 47: Maintenance

    V. Maintenance The appliance must be maintained in accordance with the instruction manual and labels provided. Consult with your local Hoshizaki Certified Service Representative about maintenance service. WARNING • Only qualified service technicians should service the appliance. • To reduce the risk of electric shock, do not touch the icemaker power switch or control switch with damp hands.
  • Page 48 If new seal bolts do not have preapplied threadlocker, apply Loctite 243 or equivalent threadlocker to seal bolt threads. • Torque for F-330BAJ(-C): 11.1 ft-lb/15 N·m. Tighten 2 times. Allow at least 5 sec. in between each tightening. Yearly Inlet Water Valve Close the water supply line shut-off valve and drain the water system.

  • Page 49: Disposal

    VI. Disposal The appliance contains refrigerant and must be disposed of in accordance with applicable national, state, and local codes and regulations. Refrigerant must be recovered by properly certified service personnel.

  • Page 50: Technical Information

    VII. Technical Information We reserve the right to make changes in specifications and design without prior notice. A. Specification & Performance Data Sheets Note: The data in bold should be used for reference. 1. F-330BAJ Specification Sheet AC SUPPLY VOLTAGE 115/60/1 AMPERES 6.9 AMPS (AT 104°F / WT 80°F)

  • Page 51: F-330Baj-C

    2. F-330BAJ-C Specification Sheet AC SUPPLY VOLTAGE 115/60/1 AMPERES 7.1 AMPS ELECTRIC & WATER CONSUMPTION 90/70°F 70/50°F ELECTRIC W (kWH/100 lbs.) 654 (7.30) 612 (5.09) POTABLE WATER 26 (12.0) 35 (12.0) SHAPE OF ICE Cubelet ICE HARDNESS 88.3% @ (32/21 (90/70), Conductivity 200 µs/cm) APPROXIMATE STORAGE CAPACITY 80lbs.

  • Page 52: Wiring Diagram

    B. Wiring Diagram 1. F-330BAJ(-C) *High-Pressure Switch Cut-out 426± PSIG Cut-in 341±22 PSIG...

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F-330baj-c

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