Hoshizaki F-2000MLF Service Manual

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HOSHIZAKI
MODULAR FLAKER
F-2000MLF(-C)
F-2000MWF(-C)
F-2000MRF(-C)
F-2000MRF3(-C)
SERVICE MANUAL
MODEL
73099
NO:
ISSUED: AUG. 29, 2001
DEC. 16, 2003
REVISED:

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Summary of Contents for Hoshizaki F-2000MLF

  • Page 1 HOSHIZAKI MODULAR FLAKER MODEL F-2000MLF(-C) F-2000MWF(-C) F-2000MRF(-C) F-2000MRF3(-C) SERVICE MANUAL 73099 ISSUED: AUG. 29, 2001 DEC. 16, 2003 REVISED:...
  • Page 2 No such service or maintenance should be undertaken until the technician has thoroughly read this Service Manual. HOSHIZAKI provides this manual primarily to assist qualified service technicians in the service and maintenance of the icemaker. Should the reader have any questions or concerns which have not been satisfactorily addressed, please call or write to the HOSHIZAKI Technical Support Department for assistance.
  • Page 3: Table Of Contents

    This manual should be made available to the technician prior to service or maintenance. I. SPECIFICATIONS ... 6 1. ICEMAKER ... 6 F-2000MLF ... 6 F-2000MLF-C ... 7 F-2000MRF3 ... 8 F-2000MRF3-C ... 9 F-2000MWF ... 10 F-2000MWF-C ...
  • Page 4 12. REMOVAL AND REPLACEMENT OF SOLENOID VALVE ... - F-2000MLF(-C) ONLY... 72 13. REMOVAL AND REPLACEMENT OF EVAPORATOR PRESSURE ... REGULATOR (E.P.R.) - F-2000MLF(-C) ONLY ... 73 14. REMOVAL AND REPLACEMENT OF BY-PASS VALVE ... - F-2000M#F SERIES [EXCEPT F-2000MLF] ONLY ... 74...
  • Page 5 VII. CLEANING AND MAINTENANCE INSTRUCTIONS ... 76 1. PREPARING THE ICEMAKER FOR LONG STORAGE ... 76 2. CLEANING INSTRUCTIONS ... 77 3. MAINTENANCE INSTRUCTIONS ... 82...
  • Page 6: Specifications

    I. SPECIFICATION 1. ICEMAKER F-2000MLF AC SUPPLY VOLTAGE GEAR MOTOR FAN MOTOR OTHER MAXIMUM FUSE SIZE MAX. HACR BREAKER (USA ONLY) MAX. CIRC. BREAKER (CANADA ONLY) MINIMUM CIRCUIT AMPACITY APPROXIMATE ICE PRODUCTION PER 24 HR. lbs./day ( kg/day ) Reference without *marks...
  • Page 7: F-2000Mlf-C

    F-2000MLF-C AC SUPPLY VOLTAGE GEAR MOTOR FAN MOTOR OTHER MAXIMUM FUSE SIZE MAX. HACR BREAKER (USA ONLY) MAX. CIRC. BREAKER (CANADA ONLY) MINIMUM CIRCUIT AMPACITY APPROXIMATE ICE PRODUCTION PER 24 HR. lbs./day ( kg/day ) Reference without *marks SHAPE OF ICE...
  • Page 8: F-2000Mrf3

    F-2000MRF3 AC SUPPLY VOLTAGE COMPRESSOR GEAR MOTOR FAN MOTOR REMOTE OTHER MAXIMUM FUSE SIZE MAX. HACR BREAKER (USA ONLY) MAX. CIRC. BREAKER (CANADA ONLY) MINIMUM CIRCUIT AMPACITY APPROXIMATE ICE PRODUCTION PER 24 HR. lbs./day ( kg/day ) Reference without *marks SHAPE OF ICE ICE QUALITY APPROXIMATE STORAGE CAPACITY...
  • Page 9: F-2000Mrf3-C

    F-2000MRF3-C AC SUPPLY VOLTAGE COMPRESSOR GEAR MOTOR FAN MOTOR REMOTE OTHER MAXIMUM FUSE SIZE MAX. HACR BREAKER (USA ONLY) MAX. CIRC. BREAKER (CANADA ONLY) MINIMUM CIRCUIT AMPACITY APPROXIMATE ICE PRODUCTION PER 24 HR. lbs./day ( kg/day ) Reference without *marks SHAPE OF ICE ICE QUALITY APPROXIMATE STORAGE CAPACITY...
  • Page 10: F-2000Mwf

    F-2000MWF AC SUPPLY VOLTAGE COMPRESSOR GEAR MOTOR FAN MOTOR OTHER MAXIMUM FUSE SIZE MAX. HACR BREAKER (USA ONLY) MAX. CIRC. BREAKER (CANADA ONLY) MINIMUM CIRCUIT AMPACITY APPROXIMATE ICE PRODUCTION PER 24 HR. lbs./day ( kg/day ) Reference without *marks SHAPE OF ICE ICE QUALITY APPROXIMATE STORAGE CAPACITY ELECTRIC &...
  • Page 11: F-2000Mwf-C

    F-2000MWF-C AC SUPPLY VOLTAGE COMPRESSOR GEAR MOTOR FAN MOTOR OTHER MAXIMUM FUSE SIZE MAX. HACR BREAKER (USA ONLY) MAX. CIRC. BREAKER (CANADA ONLY MINIMUM CIRCUIT AMPACITY APPROXIMATE ICE PRODUCTION PER 24 HR. lbs./day ( kg/day ) Reference without *marks SHAPE OF ICE ICE QUALITY APPROXIMATE STORAGE CAPACITY N/A ELECTRIC &...
  • Page 12: F-2000Mrf

    F-2000MRF AC SUPPLY VOLTAGE COMPRESSOR GEAR MOTOR FAN MOTOR REMOTE OTHER MAXIMUM FUSE SIZE MAX. HACR BREAKER (USA ONLY) MAX. CIRC. BREAKER (CANADA ONLY) MINIMUM CIRCUIT AMPACITY APPROXIMATE ICE PRODUCTION PER 24 HR. lbs./day ( kg/day ) Reference without *marks SHAPE OF ICE ICE QUALITY APPROXIMATE STORAGE CAPACITY...
  • Page 13: F-2000Mrf-C

    F-2000MRF-C AC SUPPLY VOLTAGE COMPRESSOR GEAR MOTOR FAN MOTOR REMOTE OTHER MAXIMUM FUSE SIZE MAX. HACR BREAKER (USA ONLY) MAX. CIRC. BREAKER (CANADA ONLY) MINIMUM CIRCUIT AMPACITY APPROXIMATE ICE PRODUCTION PER 24 HR. lbs./day ( kg/day ) Reference without *marks SHAPE OF ICE ICE QUALITY APPROXIMATE STORAGE CAPACITY...
  • Page 14: Condenser Unit

    2. CONDENSER UNIT URC-20F...
  • Page 15 MODEL: URC-20F EXTERIOR DIMENSIONS (W x D x H) REFRIGERANT CHARGE URC-20F WEIGHT CONNECTIONS REFRIGERANT ELECTRICAL CONDENSER HEAD PRESSURE CONTROL AMBIENT CONDITION SPECIFICATIONS Galvanized Steel 46-3/8" x 15-11/16" x 25-15/16" (1178 x 398 x 659 mm) R404A 7 lbs. 11 oz. (3500 g) Net 104 lbs.
  • Page 16: General Information

    II. GENERAL INFORMATION 1. CONSTRUCTION F-2000MLF(-C)
  • Page 17: F-2000Mrf3(-C), F-2000Mrf(-C)

    F-2000MRF3(-C), F-2000MRF(-C)
  • Page 18: F-2000Mwf(-C)

    F-2000MWF(-C)
  • Page 19: Control Box Layout

    2. CONTROL BOX LAYOUT F-2000MRF3(-C) Note: The above component names are identical with the Wiring Label, but not with the Parts List.
  • Page 20: F-2000Mwf, F-2000Mrf(-C)

    F-2000MWF, F-2000MRF(-C)
  • Page 21: F-2000Mlf(-C)

    F-2000MLF(-C)
  • Page 22: Technical Information

    III. TECHNICAL INFORMATION 1. WATER CIRCUIT AND REFRIGERATION CIRCUIT F-2000MLF(-C)
  • Page 23: F-2000Mrf3(-C), F-2000Mrf(-C)

    F-2000MRF3(-C)
  • Page 24: F-2000Mwf(-C)

    F-2000MWF(-C)
  • Page 25: Wiring Diagrams

    2. WIRING DIAGRAMS F-2000MLF(-C)
  • Page 26: F-2000Mrf3-(C)

    F-2000MRF3(-C)
  • Page 27: F-2000Mwf-(C)

    F-2000MWF(-C)
  • Page 28: F-2000Mrf-(C)

    F-2000MRF(-C)
  • Page 29: Sequence Of Electrical Circuit

    3. SEQUENCE OF ELECTRICAL CIRCUIT [a] When Power Switch is moved to “ON” position and Flush Switch to “ICE” position, water starts to be supplied to Reservoir.
  • Page 30 [b] When Reservoir has been filled, Gear Motor starts immediately.
  • Page 31 [c] Compressor starts [F-2000MLF(-C) only, two solenoid valves open] about 60 sec. after Gear Motor starts.
  • Page 32 [d] Bin Control operates, and about 6 sec. later, Compressor and Gear Motor stop simultaneously. (F-2000MLF, two solenoid valves close.)
  • Page 33 [e] Low Water (Except Water-cooled Model where Compressor will operate intermittently)
  • Page 34 [f] When Flush Timer operates (for 15 min. every 12 hours) or when Flush Switch is moved to “FLUSH” position, Flush Water Valve opens and flushes Reservoir and Evaporator.
  • Page 35 [g] For single-phase machines, when 208-230V are supplied to Circuit Protect Relay, it protects the circuit from being miswired. If the power supply is properly connected, the contact of Circuit Protect Relay does not move even when the coil is energized.
  • Page 36 [h] When Pressure Switch opens, power supply to the control board is cut off causing the Compressor and Gear Motor to turn off immediately.
  • Page 37: Timing Chart

    4. TIMING CHART 1. CIRCUIT PROTECT RELAY UPPER 2. WATER LEVEL LOWER BOTTOM UPPER 3. FLOAT SWITCH LOWER 4. WATER CONTROL RELAY 5. CONTROL WATER VALVE 1 - 2 6. FLUSH TIMER 2 - 3 FLUSH 7. FLUSH SWITCH 8. FLUSH WATER VALVE 9.
  • Page 38 LOW WATER 1. CIRCUIT PROTECT RELAY UPPER 2. WATER LEVEL LOWER BOTTOM UPPER 3. FLOAT SWITCH LOWER 4. WATER CONTROL RELAY 5. CONTROL WATER VALVE 1 - 2 6. FLUSH TIMER 2 - 3 FLUSH 7. FLUSH SWITCH 8. FLUSH WATER VALVE 9.
  • Page 40 1. CIRCUIT PROTECT RELAY UPPER 2. WATER LEVEL LOWER BOTTOM UPPER 3. FLOAT SWITCH LOWER 4. WATER CONTROL RELAY 5. CONTROL WATER VALVE 1 - 2 6. FLUSH TIMER 2 - 3 FLUSH 7. FLUSH SWITCH 8. FLUSH WATER VALVE 9.
  • Page 41 16. SPOUT CONTROL RELAY 17. THERMOSTAT/ CONTROL (2000MWE) Compressor Discharge Temp.: 225°F Compressor Discharge Temp.: 203°F...
  • Page 42: Performance Data

    5. PERFORMANCE DATA F-2000MLF APPROXIMATE ICE PRODUCTION PER 24 HR. lbs./DAY ( kg/day) APPROXIMATE ELECTRIC CONSUMPTION watts APPROXIMATE WATER CONSUMPTION PER 24 HR. (TOTAL) gal. / day (m /day) EVAPORATOR OUTLET TEMP. °F (°C) HEAD PRESSURE PSIG (kg/sq.cmG) SUCTION PRESSURE PSIG (kg/sq.cmG)
  • Page 43: F-2000Mlf-C

    F-2000MLF-C APPROXIMATE ICE PRODUCTION PER 24 HR. lbs./DAY ( kg/day) APPROXIMATE ELECTRIC CONSUMPTION watts APPROXIMATE WATER CONSUMPTION PER 24 HR. (TOTAL) gal. / day (m /day) EVAPORATOR OUTLET TEMP. °F (°C) HEAD PRESSURE PSIG (kg/sq.cmG) SUCTION PRESSURE PSIG (kg/sq.cmG) Note: The data without *marks should be used for reference.
  • Page 44: F-2000Mrf3

    F-2000MRF3 APPROXIMATE ICE PRODUCTION PER 24 HR. lbs./DAY ( kg/day) APPROXIMATE ELECTRIC CONSUMPTION watts APPROXIMATE WATER CONSUMPTION PER 24 HR. gal. / day (l/day) EVAPORATOR OUTLET TEMP. °F (°C) HEAD PRESSURE PSIG (kg/sq.cmG) SUCTION PRESSURE PSIG (kg/sq.cmG) CONDENSER VOLUME HEAT OF REJECTION FROM CONDENSER HEAT OF REJECTION FROM COMPRESSOR Note: The data without *marks should be used for reference.
  • Page 45: F-2000Mrf3-C

    F-2000MRF3-C APPROXIMATE ICE PRODUCTION PER 24 HR. lbs./DAY ( kg/day) APPROXIMATE ELECTRIC CONSUMPTION watts APPROXIMATE WATER CONSUMPTION PER 24 HR. gal. / day (l/day) EVAPORATOR OUTLET TEMP °F (°C) HEAD PRESSURE PSIG (kg/sq.cmG) SUCTION PRESSURE PSIG (kg/sq.cmG) CONDENSER VOLUME HEAT OF REJECTION FROM CONDENSER16750 BTU/h (AT 90°F /WT 70°F) HEAT OF REJECTION FROM COMPRESSO3000 BTU/h (AT 90°F /WT 70°F) Note: The data without *marks should be used for reference.
  • Page 46: F-2000Mwf

    F-2000MWF APPROXIMATE ICE PRODUCTION PER 24 HR. lbs./DAY ( kg/day) APPROXIMATE ELECTRIC CONSUMPTION watts APPROXIMATE WATER CONSUMPTION PER 24 HR. (TOTAL) gal. / day (m /day) EVAPORATOR OUTLET TEMP. °F (°C) HEAD PRESSURE PSIG (kg/sq.cmG) SUCTION PRESSURE PSIG (kg/sq.cmG) WATER FLOW FOR CONDENSER PRESSURE DROP OF COOLING WATER LINE HEAT OF REJECTION FROM CONDENSER HEAT OF REJECTION FROM COMPRESSOR...
  • Page 47: F-2000Mwf-C

    F-2000MWF-C APPROXIMATE ICE PRODUCTION PER 24 HR. lbs./DAY ( kg/day) APPROXIMATE ELECTRIC CONSUMPTION watts APPROXIMATE WATER CONSUMPTION PER 24 HR. (TOTAL) gal. / day (m /day) EVAPORATOR OUTLET TEMP °F (°C) HEAD PRESSURE PSIG (kg/sq.cmG) SUCTION PRESSURE PSIG (kg/sq.cmG) WATER FLOW FOR CONDENSER PRESSURE DROP OF COOLING WATER L Less than 10 PSIG HEAT OF REJECTION FROM CONDENSER15530 BTU/h (AT 90°F /WT 70°F) HEAT OF REJECTION FROM COMPRESSO2910 BTU/h (AT 90°F /WT 70°F)
  • Page 48: F-2000Mrf

    F-2000MRF APPROXIMATE ICE PRODUCTION PER 24 HR. lbs./DAY ( kg/day) APPROXIMATE ELECTRIC CONSUMPTION watts APPROXIMATE WATER CONSUMPTION PER 24 HR. gal. / day (l/day) EVAPORATOR OUTLET TEMP. °F (°C) HEAD PRESSURE PSIG (kg/sq.cmG) SUCTION PRESSURE PSIG (kg/sq.cmG) CONDENSER VOLUME HEAT OF REJECTION FROM CONDENSER HEAT OF REJECTION FROM COMPRESSOR Note: The data without *marks should be used for reference.
  • Page 49: F-2000Mrf-C

    F-2000MRF-C APPROXIMATE ICE PRODUCTION PER 24 HR. lbs./DAY ( kg/day) APPROXIMATE ELECTRIC CONSUMPTION watts APPROXIMATE WATER CONSUMPTION PER 24 HR. gal. / day (l/day) EVAPORATOR OUTLET TEMP. °F (°C) HEAD PRESSURE PSIG (kg/sq.cmG) SUCTION PRESSURE PSIG (kg/sq.cmG) CONDENSER VOLUME HEAT OF REJECTION FROM CONDENSER HEAT OF REJECTION FROM COMPRESSOR Note: The data without *marks should be used for reference.
  • Page 50: Adjustments Of Components

    IV. ADJUSTMENT OF COMPONENTS 1. ADJUSTMENT OF WATER REGULATING VALVE - WATER-COOLED MODEL ONLY The Water Regulating Valve or also called “WATER REGULATOR” is factory-adjusted. No adjustment is required under normal use. Adjust the Water Regulator , if necessary, using the following procedures.
  • Page 51: Adjustment Of Flake Size

    2. ADJUSTMENT OF FLAKE SIZE To adjust the flake size, change the number of the Cutter Heads on the top of the Auger, according to the following procedures: 1) Remove the Bolt. 2) Take off the upper Cutter Head of the two (coarse flakes) or set the upper Cutter Head on the lower (fine flakes).
  • Page 52: Adjustment Of Evaporator Pressure Regulator (E

    1) Remove the Cap from the E.P.R. Access Valve, and connect a pressure gauge (The E.P.R. needs no adjustment if the pressure gauge shows 22 PSIG for F-2000MLF.) 2) Remove the Cover from the E.P.R., and rotate the Adjustment Screw by a hexagon wrench until the pressure gauge shows 22 PSIG (F-2000MLF).
  • Page 53: Service Diagnosis

    V. SERVICE DIAGNOSIS 1. NO ICE PRODUCTION PROBLEM [1] The icemaker will not a) Power Supply start. b) Power Switch c) Fuse (Control Box) d) Circuit Protect Relay 1. Miswiring. e) Flush Timer g) Transformer h) Control Water Valve k) Spout Control [2] Water does not stop, a) Water Control Relay and the icemaker will...
  • Page 54 1. Broken. (Printed Circuit Board) Gear Motor Protect 1. Coil winding opened. 1. Replace. Relay 2. Bad contacts. 1. Dirty Air Filter or [Except F-2000MLF] Condenser. 2. Ambient or condenser water temperature too warm. 3. Condenser water pressure too low or off.
  • Page 55 Compressor [Except F-2000MLF] Power Supply g) Solenoid Valve [F-2000MLF only] [5] Gear Motor and a) Refrigerant Line Compressor start (for F-2000MLF, two Solenoid Valves open), but no ice is produced. b) Shut-off Valves on Condensing Unit [F-2000MLF only] POSSIBLE CAUSE 1.
  • Page 56: Low Ice Production

    High-side Pressure c) Expansion Valve d) Evaporator Pressure POSSIBLE CAUSE 1. Gas leaks. 2. Refrigerant line clogged. 3. Overcharged. [Except F-2000MLF] 1. Dirty Air Filter or Too High Condenser. [Except F-2000MLF] 2. Ambient or condenser water temperature too warm. [Except F-2000MLF] 3.
  • Page 57: Others

    Compressor [Except F-2000MLF] c) Refrigerant Lines d) Gear Motor (Ice Making) e) Evaporator Evaporator Pressure Regulator [F-2000MLF only] [2] Overflow from a) Water Supply Reservoir (Water does not stop.) b) Control Water Valve c) Float Switch [3] Gear Motor...
  • Page 58: Removal And Replacement Of Components

    The refrigerant charge on the F-2000MLF is provided from the external Compressor Rack Assembly. In the event that service is required on the F-2000MLF, close the Suction and Liquid Line Shut-off Valves located at the rear of the unit. Attach the Service Manifold Hoses to the high side, low side and Evaporator Pressure Regulator (E.P.R.) access ports...
  • Page 59 5) Disconnect the Vacuum Pump, and attach a Refrigerant Service Cylinder to the High- side line. 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 60: Brazing

    2. BRAZING 1. Refrigerant R-404A itself is not flammable at atmospheric pressure and temperatures up to 176° F. 2. Refrigerant R-404A itself is not explosive or poisonous. However, when exposed to high temperatures (open flames) R-404A can be decom- posed to form hydrofluoric acid and carbonyl fluoride both of which are hazardous.
  • Page 61: Removal And Replacement Of Compressor

    3. REMOVAL AND REPLACEMENT OF COMPRESSOR -EXCEPT F-2000MLF Always install a new Drier every time the sealed refrigeration system is opened. Do not replace the Drier until after all other repair or replacements have been made. 1) Turn off the power supply, and remove the panels.
  • Page 62: Except F-2000Mlf(-C)

    16) Replace the panels in their correct position, and turn on the power supply. 4. REMOVAL AND REPLACEMENT OF DRIER - EXCEPT F-2000MLF Always install a new Drier every time the sealed refrigeration system is opened. Do not replace the Drier until after all other repair or replacements have been made.
  • Page 63: Removal And Replacement Of Expansion Valve

    7) Install the new Drier [except F-2000MLF]. 8) Check for leaks using nitrogen gas (140 PSIG) and soap bubbles. 9) Evacuate the system. Charge it with refrigerant [except F-2000MLF]. For the water- cooled models, see the Nameplate for the required refrigerant charge and type. For the remote air-cooled models, see the label on the Control Box.
  • Page 64: Removal And Replacement Of Water Regulating Valve

    13) Replace the panels in their correct position, and turn on the power supply. 6. REMOVAL AND REPLACEMENT OF WATER REGULATING VALVE - WATER-COOLED MODELS ONLY. Always install a new Drier every time the sealed refrigeration system is opened. Do not replace the Drier until after all other repair or replacements have been made.
  • Page 65: Removal And Replacement Of Condensing Pressure Regulator (C.p.r.) - Remote Air-Cooled Models Only

    7. REMOVAL AND REPLACEMENT OF CONDENSING PRESSURE REGULATOR (C.P.R.) - REMOTE AIR-COOLED MODELS ONLY Always install a new Drier every time the sealed refrigeration system is opened. Do not replace the Drier until after all other repairs or replacements have been made. 1) Turn off the power supply.
  • Page 66: Removal And Replacement Of Evaporator Assembly

    8. REMOVAL AND REPLACEMENT OF EVAPORATOR ASSEMBLY 1) Turn off the power supply. For F-2000MLF, close the Shut-off Valves to the Compres- sor Rack Assembly. 2) Remove the panels. 3) Move the Flush Switch to the “FLUSH” position. 4) Turn on the power supply and drain out all water from the water line.
  • Page 67 Always install a new Drier every time the sealed refrigeration system is opened. Do not replace the Drier until after all other repair or replace- ments have been made. 14) Remove the Bulb of the Expansion Valve. 15) Disconnect the brazing-connections of the Expansion Valve and the Copper Tube- Low Side from the Evaporator, using brazing equipment.
  • Page 68 (b) Replace the Drier [except F-2000MLF] (c) Check for leaks using nitrogen gas (140 PSIG) and soap bubbles. (d) Evacuate the system. Charge it with refrigerant [except F-2000MLF]. For the water- cooled models, see the Nameplate for required refrigerant charge and type. For the remote air-cooled models, see the label on the Control Box.
  • Page 70: Removal And Replacement Of Fan Motor

    9. REMOVAL AND REPLACEMENT OF FAN MOTOR 1) Turn off the power supply and remove the panels. 2) Remove the wire connectors from the Fan Motor leads. 3) Remove the Fan Motor Bracket and Fan Motor. 4) Install the new Fan Motor. 5) Replace the panels in their correct position, and turn on the power supply.
  • Page 71: Removal And Replacement Of Flush Water Valve

    11. REMOVAL AND REPLACEMENT OF FLUSH WATER VALVE 1) Turn off the power supply, remove the panels and close the Water Supply Line Shut-off Valve. 2) Remove the Clamp and disconnect the Flush Water Valve. Note: Water may still remain inside the Evaporator. Be sure to drain the water into the Drain Pan.
  • Page 72: Removal And Replacement Of Solenoid Valve

    12. REMOVAL AND REPLACEMENT OF SOLENOID VALVE - F-2000MLF ONLY 1) Turn off the power supply. 2) Close the Shut-off Valves to the Compressor Rack Assembly. 3) Remove the panels. 4) Recover the refrigerant and store it in an approved container.
  • Page 73: Removal And Replacement Of Evaporator Pressure

    13. REMOVAL AND REPLACEMENT OF EVAPORATOR PRESSURE REGULATOR (E.P.R.) - F-2000MLF ONLY 1) Turn off the power supply. 2) Close the Shut-off Valves to the Compressor Rack Assembly. 3) Remove the panels. 4) Recover the refrigerant and store it in an approved container.
  • Page 74: Removal And Replacement Of By-Pass Valve-F-2000M#Fseries [Except F-2000Mlf] Only

    14. REMOVAL AND REPLACEMENT OF BY-PASS VALVE-F-2000M#F SERIES [EXCEPT F-2000MLF] ONLY Always use a capillary tube of the same diameter and length when replacing the by-pass lines; otherwise the performance may be reduced. Always install a new Drier every time the sealed refrigeration system is opened.
  • Page 75 11) Connect the new Solenoid leads. 12) Attach the Solenoid to the valve body, and secure it with a screw. 13) Replace the panels in their correct position. 14) Turn on the power supply.
  • Page 76: Cleaning And Maintenance Instructions

    VII. CLEANING AND MAINTENANCE INSTRUCTIONS Ensure all components, fasteners and thumbscrews are securely in place after any maintenance or cleaning is done to the equipment. 1. PREPARING THE ICEMAKER FOR LONG STORAGE When shutting off the icemaker for an extended time, drain out all water from the water line and remove the ice from the Storage Bin.
  • Page 77: Cleaning Instructions

    Condenser. 5) Follow the above steps 3) through 11) in [Remote Air-cooled Models]. 2. CLEANING INSTRUCTIONS 1. HOSHIZAKI recommends cleaning this unit at least once a year. More frequent cleaning, however, may be required in some existing water conditions.
  • Page 78 <STEP 2> Use the cleaning solution to remove lime deposits in the water system. 1) Turn off the power supply. 2) Close the Water Supply Line Shut-off Valve. 3) Remove all ice from the Storage Bin. 4) Remove the Front Panel and the Top Panel. 5) Move the Flush Switch to the “FLUSH”...
  • Page 79 Use 3/4 gal. of the sanitizing solution to sanitize the icemaker. 1) Close the Water Supply Line Shut-off Valve. 2) Remove the Control Water Valve by releasing the Fitting Nut. 3) Remove the Cover of the Reservoir. 4) Fill the Reservoir with the sanitizing solution. 5) Replace the Cover of the Reservoir and the Control Water Valve in their correct positions.
  • Page 80 3) Remove the Gasket at the bottom of the Ice Chute and another at the Spout. 4) Remove the three Ties and the Insulation of the Chute. 5) Remove the six Wing Nuts and two Baffles. When installing the Baffles, make sure that the bent surface (the one without the studs) faces the Activator so that the bent surface can guide the ice to the center of the Activator.
  • Page 81: Maintenance Instructions

    More frequent inspection and maintenance are recommended. 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 1-800-233-1940 in the USA. IMPORTANT...
  • Page 82 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. 2) Storage Bin and Scoop • Wash your hands before removing ice. Use the plastic scoop provided (Bin accessory). •...

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