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73113
NO:
ISSUED: June 7, 2004
REVISED: June 15, 2005
HOSHIZAKI
MODULAR FLAKER
MODEL
F-801MAH/-C
F-801MWH/-C
SERVICE MANUAL
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IMPORTANT Only qualified service technicians should attempt to service or maintain this icemaker. No 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 fo
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Please review this manual. It should be read carefully before the icemaker is serviced or maintenance operations are performed. Only qualified service technicians should service and maintain the icemaker. This manual should be made available to the technician prior to service or maintenance. CONTENTS I. Specification ...................................................................................................................... 5 1. Icemaker ..............................................
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5. Removal and Replacement of Expansion Valve......................................................... 43 6. Removal and Replacement of Water Regulating Valve (water-cooled model only) .... 44 7. Removal and Replacement of Evaporator Assembly ................................................. 45 8. Removal and Replacement of Fan Motor ................................................................... 49 9. Removal and Replacement of Control Water Valve ...........................................
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I. Specification 1. Icemaker F-801MAH AC SUPPLY VOLTAGE 115/60/1 COMPRESSOR 120 V 9.4 RLA 51 LRA GEAR MOTOR 120 V 3 FLA 1/4 HP FAN MOTOR 115 V 0.85 FLA 1/15 HP OTHER 120 V 0.03 A MAXIMUM FUSE SIZE 20 A MAX. HACR BREAKER (USA ONLY) 20 A MAX. CIRC. BREAKER (CANADA ONLY) 20 A MINIMUM CIRCUIT AMPACITY 20 A APPROXIMATE ICE PRODUCTION Ambient WATER TEMP. (°F) PER 24 HR. Temp.(°F) 50 70 90 lbs./day ( kg/day ) 70 * 823 (373) 786 (357) 748 (339) Reference without *marks 80 711 (323) 677 (307) 64
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F-801MWH AC SUPPLY VOLTAGE 115/60/1 COMPRESSOR 120 V 8.5 RLA 51 LRA GEAR MOTOR 120 V 3 FLA 1/4 HP OTHER 120 V 0.03 A MAXIMUM FUSE SIZE 20 A MAX. HACR BREAKER (USA ONLY) 20 A MAX. CIRC. BREAKER (CANADA ONLY) 20 A MINIMUM CIRCUIT AMPACITY 20 A APPROXIMATE ICE PRODUCTION Ambient WATER TEMP. (°F) PER 24 HR. Temp.(°F) 50 70 90 lbs./day ( kg/day ) 70 * 720 (327) 693 (315) 677 (307) Reference without *marks 80 661 (300) 646 (293) 630 (286) 90 616 (279) * 605 (274) 587 (266) 100 573 (260) 560 (
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F-801MAH-C AC SUPPLY VOLTAGE 115/60/1 COMPRESSOR 120 V 9.4 RLA 51 LRA GEAR MOTOR 120 V 3 FLA 1/4 HP FAN MOTOR 115 V 0.85 FLA 1/15 HP OTHER 120 V 0.03 A MAXIMUM FUSE SIZE 20 A MAX. HACR BREAKER (USA ONLY) 20 A MAX. CIRC. BREAKER (CANADA ONLY) 20 A MINIMUM CIRCUIT AMPACITY 20 A APPROXIMATE ICE PRODUCTION Ambient WATER TEMP. (°F) PER 24 HR. Temp.(°F) 50 70 90 lbs./day ( kg/day ) 70 * 752 (341) 728 (330) 688 (312) Reference without *marks 80 650 (295) 614 (279) 580 (263) 90 548 (249) * 552
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F-801MWH-C AC SUPPLY VOLTAGE 115/60/1 COMPRESSOR 120 V 8.5 RLA 51 LRA GEAR MOTOR 120 V 3 FLA 1/4 HP OTHER 120 V 0.03 A MAXIMUM FUSE SIZE 20 A MAX. HACR BREAKER (USA ONLY) 20 A MAX. CIRC. BREAKER (CANADA ONLY) 20 A MINIMUM CIRCUIT AMPACITY 20 A APPROXIMATE ICE PRODUCTION Ambient WATER TEMP. (°F) PER 24 HR. Temp.(°F) 50 70 90 lbs./day ( kg/day ) 70 * 645 (293) 620 (281) 608 (276) Reference without *marks 80 596 (270) 585 (265) 574 (260) 90 563 (255) * 550 (249) 541 (246) 100 531 (241) 521
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II. General Information 1. Construction F-801MAH/-C Water Supply Control Water Valve Inlet Bin Control Junction Box Ice Chute Condenser Evaporator Fan Motor Expansion Valve Compressor Flush Water Valve Drier Control Box Gear Motor 9
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F-801MWH/-C Water Supply Control Water Valve Inlet Bin Control Junction Box Ice Chute Water Evaporator Regulator Expansion Valve Compressor Flush Water Valve Drier Control Box Gear Motor 10
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2. Control Box Layout F-801MAH/-C WATER CONTROL RELAY FLUSH TIMER TRANSFORMER GEAR MOTOR RELAY FLUSH CONNECTOR CIRCUIT PROTECT FLUSH RELAY GEAR SWITCH MOTOR CAP. ICE FAN MOTOR PRESSURE SWITCH CAP POWER SWITCH GEAR MOTOR PROTECT RELAY STARTER FUSE START FUSE CAPACITOR (GEAR MOTOR) RUN CONTROL CAPACITOR TIMER Note: The above component names are identical with the wiring label, but not with the parts list. 11
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F-801MWH/-C
12
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III. Technical Information 1. Water Circuit and Refrigeration Circuit F-801MAH/-C 13
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F-801MWH/-C 14
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2. Wiring Diagrams F-801MAH/-C, F-801MWH/-C 15
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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. 16
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[b] When reservoir has been filled, gear motor starts immediately. 17
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[c] Compressor starts about 60 sec. after gear motor starts. 18
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[d] Bin control operates, and about 6 sec. later, compressor and gear motor stop simultaneously. 19
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[e] Low water (except water-cooled model). 20
