Hoshizaki F-80 I MWH (-c), F-80 I MAH (-c) instruction

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Hoshizaki F-80 I MWH (-c) Drain out all water from the water line. See 2 and, Turn off the power supply after 30 minutes

Contents

Number Issued Revised “A Superior Degree of Reliability”Modular Flaker Models F-801MAH-C F-801MWH-C HoshizakiHoshizaki America, Inc Phone 1-800-233-1940 Technical Service 770 487-2331 Fax Complete and detailed explanation of the problemHOSHIZAKI AMERICA, INC 618 Highway 74 South Peachtree City, GA Attn HOSHIZAKI Technical Support Department CONTENTS 5. Removal and Replacement of Expansion Valve 7. Removal and Replacement of Evaporator Assembly8. Removal and Replacement of Fan Motor 9. Removal and Replacement of Control Water Valve I. Specification 1. Icemaker F-801MAH F-801MWH F-801MAH-C F-801MWH-C II. General Information 1. Construction F-801MAH/-C F-801MWH/-C Water Supply Inlet Junction Box Water Regulator Compressor Drier 2. Control Box Layout GEAR MOTOR RUN CAPACITOR CONTROL TIMERFLUSH III. Technical Information 1. Water Circuit and Refrigeration Circuit F-801MWH/-C 2. Wiring Diagrams F-801MAH/-C, F-801MWH/-C 3. Sequence of Electrical Circuit b When reservoir has been filled, gear motor starts immediately c Compressor starts about 60 sec. after gear motor starts Page e Low water except water-cooled model Page Page h When flush timer operates for 15 min. every 12 hours Page Page Proper wiring. The unit starts 4. Timing ChartMiswiring. Circuit Protect Relay operates 60 sec 150 sec1 sec 1. CIRCUIT PROTECT RELAY 2. WATER LEVEL UPPER 3. FLOAT SWITCH LOWER 5. Performance Data WATER FLOW FOR CONDENSER F-801MAH-C F-801MWH-C IV. Adjustment of Components 1. Adjustment of Water Regulating Valve water-cooled model only 2. Adjustment of Flake Size V. Service Diagnosis 1. No Ice Production PROBLEMPOSSIBLE CAUSE REMEDY REMEDY PROBLEM 2. Low Ice ProductionPOSSIBLE CAUSE REMEDY 3. Other VI. Removal and Replacement of Components 1. Service for Refrigerant Linesa Refrigerant Recovery b Evacuation and Recharge R-404A 2. Brazing DANGER 3. Removal and Replacement of Compressor 4. Removal and Replacement of Drier 5. Removal and Replacement of Expansion Valve Page 7. Removal and Replacement of Evaporator Assembly CutterExtruding Head Auger Bearing-Lower and Mechanical Seal Gear Motor 27 When replacing the evaporator c Check for leaks using nitrogen gas 140 PSIG and soap bubbles28 Move the flush switch to the ICE position 30 Turn on the power supply Auger Mechanical Seal O-ring Bearing Lower Bolt Washer Coupling - SplineRubber O-ring Nylon Ring Bolt Washer Cutter Extruding Head Washer Socket Head Cap Screw Evaporator Washer Socket Head Cap Screw Barrier 8. Removal and Replacement of Fan Motor 9. Removal and Replacement of Control Water Valve 10. Removal and Replacement of Flush Water Valve VII. Cleaning and Maintenance 1. Preparing the Icemaker for Long Storage 2. Cleaning and Sanitizing Instructions a Cleaning Solution b Cleaning Procedure c Sanitizing Solution d Sanitizing Procedure - Initial e Sanitizing Procedure - Final 18 Move the flush switch to the “ICE” position and run the icemaker 19 Turn off the power supply after 30 minutes21 Flush out any solution from the storage bin 22 Turn on the power supply and start the automatic icemaking process 3. Maintenance 3 Air Filter air-cooled model only 4 Condenser except water-cooled model