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Hoshizaki F-1000MWF/-C manuel d'utilisation

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  • Page 1

    SER VICE MANUAL ISSUED: JAN. 20, 1999 MODEL HOSHIZAKI MODULAR FLAKER F-1000MAF/-C F-1000MWF/-C F-1000MRF/-C F-1000MLF/-C NO: 73075 REVISED: DEC. 17, 2003[...]

  • Page 2

    2 HOSHIZAKI AMERICA, INC. 618 Highway 74 South Peachtree City , GA 30269 Attn: HOSHIZAKI T echnical Support Department Phone: 1-800-233-1940 T echnical Service (770) 487-2331 Fax: (770) 487-3360 NOTE: T o expedite assist ance, all correspondence/communication MUST include the following information: • Model Number • Serial Number • Complete an[...]

  • Page 3

    3 CONTENTS PAGE I. SPECIFICATIONS .................................................................................................... 5 1. ICEMAKER ............................................................................................................. 5 F-1000MAF ...............................................................................[...]

  • Page 4

    4 F-1000MWF ......................................................................................................... 42 F-1000MRF .......................................................................................................... 4 3 F-1000MLF ..................................................................................................[...]

  • Page 5

    5 I. SPECIFICA TION 1. ICEMAKER F-1000MAF AC SUPPLY VOLTAGE 208-23 0/ 60/1 (3 wire with neut r al f or 115V) COMPRESSOR 240 V 4.2 RLA 34 LRA GEAR MOT OR 120 V 1.6 FLA 1/6 HP FAN MO T OR 115 V 0.85F LA 1/15 HP OT HER 120 V 0.03A MAXIMUM FUSE SIZE 15 A MAX. HACR BREAKER (USA ONLY) 15 A MAX. CIRC. BREAKER (CANADA ONLY) 15 A MINI MUM CI RCUIT AM PACITY[...]

  • Page 6

    6 F-1000MWF AC SUPPLY VOLT AGE 208-230/ 60/1 ( 3 wire with neut ral f or 115V) COMPRESS OR 240 V 4.2 RLA 34 LRA GEA R MOTOR 120 V 1.6 FLA 1/6 HP OTHER 120 V 0.03A MAX IMUM F US E SIZ E 15 A MAX. HACR BREAKER (USA ONLY) 15 A MAX. CIRC. BREAKER (CANADA ONLY ) 15 A MINIMUM C IRC UIT AM PA C ITY 15 A APPROXIMATE I CE PRODUCTION Ambient W ATER TEMP. ( ?[...]

  • Page 7

    7 F-1000MRF AC SU PPLY VO LT AG E 208-230/60/1 (3 wir e with neutral for 115V) CO M PRE S SO R 240 V 4.2 RLA 34 LRA GE A R M O T O R 120 V 1.6 F LA 1/6 H P FA N MO TO R R E M O T E 120 V 3 A MA X OT HE R 120 V 0.03A MAXIMUM FUSE SI ZE 15 A MAX. HACR BREAKER (USA ONLY) 15 A MAX. CIRC. BREAKE R (CANAD A O NLY) 15 A MI NIMUM CIRC UIT A MPAC ITY 15 A A[...]

  • Page 8

    8 F-1000MLF AC SUPPLY VOLTAGE 115 /60/1 GEAR MOT OR 120 V 1.6 FLA 1/6 HP OTH ER 120 V 0.03A MAXIMUM FU SE SIZE 15 A MAX. HACR BREAKER (U SA ONLY) 15 A MAX. CIRC. BR EAKER (CANADA ONLY) 15 A MINI MUM C IRCUIT A MPACI TY 15 A APPROXIMATE IC E PRODUCTION Ambient W AT ER TEMP. (F) PER 24 HR. T em p. (F) 50 70 90 lbs./day ( kg/day ) 70 1150 (522) 1035 ([...]

  • Page 9

    9 F-1000MAF-C AC SUPPLY VOLTAG E 208-230 /60/1 (3 wire with neutral for 115V) COMPRESSOR 240 V 4.2 RLA 34 LRA GEAR MOT OR 120 V 1.6 FLA 1/6 HP FAN MO TO R 115 V 0.85F LA 1/15 HP OT HER 120 V 0.03A MAXIMUM FU SE SIZE 15 A MAX. HACR BREAKER (U SA ONLY) 15 A MAX. CIRC. BR EAKER (CANADA ONLY) 15 A MINI MUM C IRCUIT A MPAC ITY 15 A APPROXIMATE IC E PROD[...]

  • Page 10

    10 F-1000MWF-C AC SUPPLY VOLTAGE 208-230 /60/1 (3 wire with neutral f or 115V) COMPRESSOR 240 V 4.2 RLA 34 LRA GEAR MOTOR 120 V 1.6 FLA 1/6 HP OTHER 120 V 0.03A MAXIMUM F USE SIZE 15 A MAX. HACR BREAKER (USA ONLY) 15 A MAX. CIRC. BREAKER (CANADA ONLY) 15 A MINIMU M CIRCUIT A MPAC IT Y 15 A APPROXIMATE ICE PRODUCT ION Ambient W ATER T EMP. (°F) PER[...]

  • Page 11

    11 F-1000MRF-C AC SUPPLY VOLTAG E 208-230/60/1 (3 wire with neutral for 115V) COMPRE SSOR 240 V 4.2 RLA 34 LRA GEAR M OTOR 120 V 1.6 FLA 1/6 HP FA N MOTO R REM OTE 1 20 V 3A MAX OTHER 120 V 0.0 3A MAXIMUM FUSE SIZE 15 A MAX. HACR BREAKER (USA ONLY ) 15 A MAX. CIRC. BREAKER (CANADA ONLY) 15 A MINIMUM CIRCUIT AMPACITY 15 A APPROXIMAT E ICE PRODUCT IO[...]

  • Page 12

    12 F-1000MLF-C AC SUPPLY VOLTAG E 115 /60/1 GEAR M OT OR 120 V 1.6 FLA 1/6 HP OT HER 120 V 0.03A MAXIMUM FUSE SIZE 15 A MAX. HACR BREAKER (USA ONLY) 15 A MAX. CIRC. BREAKER (CANADA ONLY) 15 A MINI MUM C IRCUI T AMPA CITY 15 A APPROXIMATE ICE PRODUCT ION Ambient W ATER T EMP. (F) PER 24 HR. T em p. (F) 50 70 90 lbs./day ( kg/day ) 70 1020 (463) 945 [...]

  • Page 13

    13 2. CONDENSER UNIT URC-6F[...]

  • Page 14

    14 SPECIFICATIONS MODEL: URC-6F EXTERIOR Galvanized Steel DIMENSIONS (W x D x H) 21-15/16" x 15-11/16" x 17-7/8" (557 x 398 x 454 mm) REFRIGERANT CHARGE R404A 1 lb. 14 oz. (850 g) WEIGHT Net 61 lbs. (28 kg) Shipping 68 lbs. (31 kg) CONNECTIONS REFRIGERANT One Shot Couplings (Aeroquip) ELECTRICAL Permanent Connection CONDENSER Air-coo[...]

  • Page 15

    15 II. GENERAL INFORMA TION 1. CONSTRUCTION F-1000MAF/-C Water Supply Inlet Junction Box Condenser Fan Motor Compressor Drier Control Water Valve Bin Control Ice Chute Evaporator Expansion Valve Flush Water Valve Control Box Gear Motor[...]

  • Page 16

    16 F-1000MWF/-C Water Supply Inlet Junction Box Water Regulator Compressor Drier Control Water Valve Bin Control Ice Chute Evaporator Expansion Valve Flush Water Valve Control Box Gear Motor[...]

  • Page 17

    17 F-1000MRF/-C Water Supply Inlet Junction Box Compressor Receiver Tank Drier Control Water Valve Bin Control Ice Chute Evaporator Expansion Valve Flush Water Valve Control Box Gear Motor[...]

  • Page 18

    18 Water Supply Inlet Junction Box Hot Gas Valve Solenoid Valve Heat Exchanger Control Water Valve Bin Control Ice Chute Evaporator Expansion Valve Flush Water Valve Control Box Gear Motor F-1000MLF/-C[...]

  • Page 19

    19 2. CONTROL BOX LA YOUT F-1000MAF/-C Note: The above component names are identical with the Wiring Label, but not with the Parts List. PRESSURE SWITCH CONNECT OR ST ART CAP ACIT OR RUN CAP ACIT OR W A TER CONTROL RELA Y FLUSH TIMER TRANSFORMER GEAR M OTO R RELA Y GEAR M OTO R CAP . FLUSH ICE FA N M OTO R CAP GEAR MO TOR PRO TECT RELA Y ST ARTER C[...]

  • Page 20

    20 F-1000MWF, F-1000MRF/-C PRESSURE SWITCH CONNECT OR ST ART CAP ACIT OR RUN CAP ACIT OR W A TER CONTROL RELA Y TRANSFORMER GEAR M OTOR RELA Y FLUSH ICE GEAR MO TOR PRO TECT RELA Y ST ARTER CONTROL TIMER FLUSH SWITCH PO WER SWITCH FUSE FUSE (GEAR MO TOR) FLUSH TIMER CIRCUIT PRO TECT RELA Y GEAR M OTOR CAP .[...]

  • Page 21

    21 F-1000MLF/-C CONNECT OR W A TER CONTROL RELA Y TRANSFORMER FLUSH ICE GEAR MO TOR PRO TECT RELA Y CONTROL TIMER CIRCUIT PRO TECT RELA Y GEAR M OTO R CAP . FLUSH TIMER FLUSH SWITCH PO WER SWITCH FUSE FUSE (GEAR MO TOR)[...]

  • Page 22

    22 III. TECHNICAL INFORMA TION 1. W A TER CIRCUIT AND REFRIGERA TION CIRCUIT F-1000MAF/-C[...]

  • Page 23

    23 F-1000MWF/-C[...]

  • Page 24

    24 F-1000MRF/-C[...]

  • Page 25

    25 F-1000MLF/-C[...]

  • Page 26

    26 2. WIRING DIAGRAMS F-1000MAF/-C, F-1000MWF/-C, F-1000MRF/-C[...]

  • Page 27

    27 F-1000MLF/-C[...]

  • Page 28

    28 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 29

    29 [b] When Reservoir has been filled, Gear Motor starts immediately.[...]

  • Page 30

    30 [c] Compressor starts about 60 sec. after Gear Motor starts.[...]

  • Page 31

    31 [d] Bin Control operates, and about 6 sec. later, Compressor and Gear Motor stop simultaneously.[...]

  • Page 32

    32 [e] Low Water (Except Water-cooled Model).[...]

  • Page 33

    33 [f] Low Water (Water-cooled Model), or Dirty Air Filter (Air-cooled Model), Pressure Switch to “OPEN”, Compressor and Gear Motor operates intermittently.[...]

  • Page 34

    34 [g] When Flush Switch is moved to “FLUSH” position, Flush Water Valve opens and flushes Reservoir and Evaporator.[...]

  • Page 35

    35 [h] When Flush Timer operates (for 15 min. every 12 hours).[...]

  • Page 36

    36 [i] When 208-230V are supplied to Circuit Protect Relay, it protects the circuit from miswiring. If the power supply is properly connected, the contact of Circuit Protect Relay does not move even when the coil is energized.[...]

  • Page 37

    37 [j] When input voltage is too low, (Less than 70%), Gear Motor Fuse (1.5A) is blown causing the Compressor and Gear Motor to turn off immediately.[...]

  • Page 38

    38 Miswiring. Circuit Protect Relay operates.) Proper wiring. The unit starts. BIN CONTROL OFF ON 1. CIRCUIT PROTECT RELA Y 2. W A TER LEVEL 3. FLOA T SWITCH UPPER LOWER 4. W A TER CONTROL RELA Y 5. CONTROL WA TER VA LV E 6. FLUSH TIMER 7. FLUSH SWITCH 8. FLUSH W A TER VA LV E 9. BIN CONTROL 10. GEAR MOTOR RELA Y 1 1. GEAR MOTOR 12. F AN MOTOR 13. [...]

  • Page 39

    39 1. CIRCUIT PROTECT RELA Y 2. W A TER LEVEL 3. FLOA T SWITCH UPPER LOWER 4. W A TER CONTROL RELA Y 5. CONTROL WA TER VA LV E 6. FLUSH TIMER 7. FLUSH SWITCH 8. FLUSH W A TER VA LV E 9. BIN CONTROL 10. GEAR MOTOR RELA Y 1 1. GEAR MOTOR 12. F AN MOTOR 14. PRESSURE SWITCH 15. HEA TER ON OFF ON OFF ON OFF ON OFF ON OFF 1 - 2 2 - 3 FLUSH ICE ON OFF ON [...]

  • Page 40

    40 1. CIRCUIT PROTECT RELA Y 2. W A TER LEVEL 3. FLOA T SWITCH UPPER LOWER 4. W A TER CONTROL RELA Y 5. CONTROL WA TER VA LV E 6. FLUSH TIMER 7. FLUSH SWITCH 8. FLUSH W A TER VA LV E 9. BIN CONTROL 10. GEAR MOTOR RELA Y 1 1. GEAR MOTOR 12. F AN MOTOR 14. PRESSURE SWITCH 15. HEA TER ON OFF ON OFF ON OFF ON OFF ON OFF 1 - 2 2 - 3 FLUSH ICE ON OFF ON [...]

  • Page 41

    41 5. PERFORMANCE DA T A F-1000MAF AP P RO XI M ATE Amb ien t W ate r Temp . (F ) ICE PRODUCTION T em p. (F) PER 24 HR. 70 9 70 (440) 930 (422) 890 (404) 80 855 (388) 820 (372) 785 (357) 90 755 (342) 740 (336) 695 (314) lbs./ day ( kg/ day ) 100 665 (301) 635 (289) 595 (270) APPROXIMATE E LECTRIC 70 1160 - - 1165 -- 1170 -- CONSUMPTION 80 1175 -- 1[...]

  • Page 42

    42 F-1000MWF APP ROXI M ATE Ambien t W ate r Temp. (F) ICE PRODUCTION Tem p. (F) PER 24 HR. 70 890 ( 404) 855 (389) 840 (380) 80 820 (372) 805 (364) 785 (356) 90 770 (349) 755 (342) 735 (334) lbs./day (kg/day) 100 720 (327) 705 (320) 655 (297) APPROXIMATE ELECTRIC 70 1155 -- 1160 -- 1185 -- CONSUMPTION 80 1155 - - 1160 -- 1185 -- 90 1155 -- 1160 - [...]

  • Page 43

    43 F-1000MRF APPROXIMATE Am bient W ater Temp. (F) ICE PRODUCTI ON Tem p. (F) PER 24 HR. 70 930 (422) 895 (407) 865 (393) 80 835 (379) 80 5 (366) 780 (353) 90 750 (341) 74 5 (338) 700 (317) lbs./da y (kg/day ) 100 675 (306) 650 (296) 605 (274) APPROXIMATE ELECTRIC 70 1285 -- 1285 -- 1290 - - CONSUMPT ION 80 1290 -- 1290 -- 1290 -- 90 1295 -- 1295 -[...]

  • Page 44

    44 F-1000MLF We reserve the right to make changes in specifications and design without prior notice. APP ROXIM ATE Ambien t W ater Temp. (°F) ICE PRODUCTION Tem p. (°F) PER 24 HR. 70 1150 (522) 1035 (469) 1005 ( 456) 80 980 (444) 950 (431) 925 (420) 90 900 (408) 885 (401) 850 (386) lbs./day (kg/day) 100 830 (376) 805 (366) 690 ( 313) APPRO X IMAT[...]

  • Page 45

    45 F-1000MAF-C AP P ROXIM ATE Ambie nt W ate r Temp. (F) ICE PRODUCTION T em p. (F) PER 24 HR. 70 8 60 (390) 820 ( 373) 790 (359) 80 765 (346) 735 (333) 710 (321) 90 680 (309) 665 (302) 635 (287) lbs./day (kg/ day ) 100 610 (277) 585 (266) 550 (249) APPROXIMATE ELE CT RIC 70 1210 - - 1215 -- 1215 -- CONSUMPTION 80 1220 - - 1220 -- 1225 -- 90 1225 -[...]

  • Page 46

    46 F-1000MWF-C APP R OXIM ATE Ambie n t W ater Temp. (F) ICE PRODUCTION Tem p. (F) PER 24 HR. 70 7 90 ( 358) 760 (346) 750 (340) 80 735 (333) 720 (327) 710 (322) 90 695 (316) 685 (311) 670 (304) lbs./day (kg/day) 100 660 (299) 645 (294) 600 ( 272) APPROXIMATE ELECTRIC 70 1160 -- 1170 -- 1185 -- CONSUMPTION 80 1160 - - 1170 -- 1185 -- 90 1160 -- 117[...]

  • Page 47

    47 F-1000MRF-C APP ROXIMATE Ambie nt W ater Temp. (F) ICE PRODUCTION Tem p. (F) PER 24 HR. 70 8 40 (381) 810 (368) 790 (358) 80 765 (347) 745 (337) 720 (327) 90 700 (317) 695 (315) 660 (299) lbs./day (kg/ day ) 100 640 (290) 620 (282) 575 ( 261) APPROXIMATE ELE CT RIC 70 1300 -- 1300 - - 1305 -- CONSUMPTION 80 1305 - - 1505 -- 1305 -- 90 1310 -- 13[...]

  • Page 48

    48 F-1000MLF-C We reserve the right to make changes in specifications and design without prior notice. APP ROXIM ATE Ambien t W ater Temp. (°F) ICE PRODUCTION Tem p. (°F) PER 24 HR. 70 1020 (463) 945 (428) 915 (415) 80 885 (402) 860 (390) 835 (378) 90 805 (366) 795 (361) 760 (344) lbs./day (kg/day) 100 735 (333) 710 (323) 640 ( 290) APPRO X IMAT [...]

  • Page 49

    49 IV . ADJUSTMENT OF COMPONENTS 1. ADJUSTMENT OF W A TER REGULA TING V AL VE - W A TER-COOLED MODEL ONL Y The Water Regulating Valve also called “WATER REGULATOR” is factory-adjusted. No adjustment is required under normal use. Adjust the Water Regulator , if necessary, using the following procedures. 1) Attach a pressure gauge to the high-sid[...]

  • Page 50

    50 V . SERVICE DIAGNOSIS 1. NO ICE PRODUCTION PROBLEM POSSIBLE CAUSE REMEDY [1] The icemaker will not start. a) Power Supply 1. OFF position. 1. Move to ON position. 2. Loose connection. 2. Tighten. 3. Bad contacts. 3. Check for continuity and replace. 4. Blown fuse. 4. Replace. b) Power Switch (Control Box) 1. Off position. 1. Move to ON position.[...]

  • Page 51

    51 PROBLEM POSSIBLE CAUSE REMEDY [4] Water has been supplied, Fan Motor starts, but Gear Motor and Compressor will not start. a) Gear Motor Fuse (BUSSMAN GMD 1.5A) 1. Blown Fuse. 1. See "3. [3]." Find out the cause and replace the Fuse. b) Thermal Protector (Gear Motor) 1. Bad contacts. 1. Check for continuity and replace. [5] Gear Motor [...]

  • Page 52

    52 2. LOW ICE PRODUCTION PROBLEM POSSIBLE CAUSE REMEDY [1] Low ice production a) Refrigerant Line 1. Gas leaks. 1. See "1. [5] a) Refrigerant Line." 2. Refrigerant line clogged. 2. Replace the clogged component. 3. Overcharged. 3. Recharge. b) High-side Pressure Too High 1. Dirty Air Filter or Condenser. 1. Clean. 2. Ambient or condenser [...]

  • Page 53

    53 3. OTHERS PROBLEM POSSIBLE CAUSE REMEDY [1] Abnormal noise a) Fan Motor 1. Bearing worn out. 1. Replace. 2. Fan blade deformed. 2. Replace fan blade. 3. Fan blade does not move freely. 3. Replace. b) Compressor 1. Bearings worn out, or cylinder valve broken. 1. Replace. 2. Mounting pad out of position. 2. Reinstall. c) Refrigerant Lines 1. Rub o[...]

  • Page 54

    54 VI. REMOV AL AND REPLACEMENT OF COMPONENTS 1. SERVICE FOR REFRIGERANT LINES [a] REFRIGERANT RECOVERY [EXCEPT F-1000MLF(-C)] The icemaker unit is provided with two Refrigerant Access Valves - one on the low-side and one on the high-side line. Using proper refrigerant practices recover the refrigerant from the Access Valves and store it in an appr[...]

  • Page 55

    55 2) Turn on the Vacuum Pump. Never allow the oil in the Vacuum Pump to flow backward. 3) Allow the Vacuum Pump to pull down to a 29.9" Hg vacuum. Evacuating period de- pends on pump capacity. 4) Close the Low-side Valve and High-side Valve on the Service Manifold. 5) Disconnect the Vacuum Pump, and attach a Refrigerant Service Cylinder to th[...]

  • Page 56

    56 3. REMOV AL AND REPLACEMENT OF COMPRESSOR IMPORT ANT Always install a new Drier every time the sealed refrigeration system is opened. Do not replace the Drier until after all other repairs or replacement have been made. 1) Turn off the power supply, and remove the panels. 2) Remove the Terminal Cover on the Compressor, and disconnect the Compres[...]

  • Page 57

    57 14) Evacuate the system, and charge it with refrigerant. For the air-cooled and 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. 15) Connect the Terminals to the Compressor, and replace the Terminal Cover in its correct position. 16) Replace t[...]

  • Page 58

    58 5. REMOV AL AND REPLACEMENT OF EXP ANSION V AL VE IMPORT ANT Sometimes moisture in the refrigerant circuit exceeds the Drier capacity and freezes up at the Expansion Valve. Always install a new Drier every time the sealed refrigeration system is opened. Do not replace the Drier until after all other repairs or replacement have been made. 1) Turn[...]

  • Page 59

    59 6. REMOV AL AND REPLACEMENT OF W A TER REGULA TING V AL VE - W A TER-COOLED MODEL ONL Y IMPORT ANT Always install a new Drier every time the sealed refrigeration system is opened. Do not replace the Drier until after all other repairs or replacement have been made. 1) Turn off the power supply, remove the panels and close the Water Supply Line S[...]

  • Page 60

    60 7. REMOV AL AND REPLACEMENT OF CONDENSING PRESSURE REGULA TOR (C.P .R.) - REMOTE AIR-COOLED MODEL ONL Y IMPORT ANT Always install a new Drier every time the sealed refrigeration system is opened. Do not replace the Drier until after all other repairs or replacement have been made. 1) Turn off the power supply. 2) Remove the panels from the remot[...]

  • Page 61

    61 8. REMOV AL AND REPLACEMENT OF EV APORA TOR ASSEMBL Y 1) Turn off the power supply. 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. 5) Turn off the power supply. 6) Remove the Band connecting the Spout with the Chute Assembly. 7) Remove the[...]

  • Page 62

    62 13) Recover the refrigerant and store it in an approved container, if required by an applicable law. IMPORT ANT Always install a new Drier every time the sealed refrigeration system is opened. Do not replace the Drier until after all other repairs or replacement have been made. 14) Remove the Bulb of the Expansion Valve. 15) Disconnect the brazi[...]

  • Page 63

    63 25) Remove the three Socket Head Cap Screws securing the Gear Motor. 26) Assemble the removed parts in the reverse order of the above procedure. W ARNING Be careful not to scratch the surface of the O-ring, or it may cause water leaks. Handle the Mechanical Seal with care not to scratch nor to contaminate its contact surface. 27) When replacing [...]

  • Page 64

    64 Auger Mechanical Seal O-ring Bearing - Lower Bolt Washer Coupling - Spline Rubber O-ring Nylon Ring Bolt Washer Cutter Extruding Head Washer Socket Head Cap Screw Evaporator Washer Socket Head Cap Screw Barrier Gear Motor[...]

  • Page 65

    65 9. REMOV AL AND REPLACEMENT OF F AN MOTO R 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 Fan Motor Bracket and the wire connectors. 6) Replace the panels in their correct position, and turn on [...]

  • Page 66

    66 1 1. REMOV AL AND REPLACEMENT OF FLUSH W A TER V AL VE 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 Hose from the Flush Water Valve. Note: Water may still remain inside the Evaporator. Be sure to drain the water into the Drain Pan. 3) Disconnect the Termin[...]

  • Page 67

    67 VII. MAINTENANCE AND CLEANING INSTRUCTIONS IMPORT ANT Ensure all components, fasteners and thumbscrews are securely in place after any maintenance or cleaning is done to the equipment. 1. PREP ARING THE ICEMAKER FOR LONG STORAGE W ARNING When shutting off the icemaker for an extended time, drain out all water from the water line and remove the i[...]

  • Page 68

    68 [Water-cooled Models] 1) Turn off the power supply and wait for 3 minutes. 2) Turn on the power supply and wait for 20 seconds. 3) Close the Water Supply Line Shut-off Valve. 4) Open the Drain Valve and quickly blow the water supply line from the Drain Valve to drain water in the Condenser. 5) Follow the above steps 3) through 11) in [Air-cooled[...]

  • Page 69

    69 2. CLEANING INSTRUCTIONS IMPORT ANT Ensure all components, fasteners and thumbscrews are securely in place after any maintenance or cleaning is done to the equipment. W ARNING 1. HOSHIZAKI recommends cleaning this unit at least once a year. More frequent cleaning, however, may be required in some existing water conditions. 2. To prevent injury t[...]

  • Page 70

    70 6) Turn on the power supply and drain out all water from the water line. 7) Turn off the power supply. 8) Remove the Control Water Valve by releasing the Fitting Nut. Do not lose the Packing. 9) Remove the Cover of the Reservoir. 10) Fill the Reservoir with the cleaning solution. 11) Replace the Cover of the Reservoir and the Control Water Valve[...]

  • Page 71

    71 5) Replace the Cover of the Reservoir and the Control Water Valve in their correct position. 6) Move the Flush Switch to the “ICE” position. 7) Replace the Top Panel and the Front Panel in their correct position. 8) Allow the icemaker to set for about 10 minutes before the operation. Then, turn on the power supply, and make ice using the sol[...]

  • Page 72

    72 6) Remove the two Thumbscrews, Plate, and Gasket at the top of the Ice Chute, and then remove the Bin Control Assembly by sliding it slightly toward the Spout and lifting it off. 7) Disassemble the Bin Control Assembly by removing the two Snap Pins, Shaft and Activator. 8) Remove the three Thumbscrews and the Spout. 9) Remove the Rubber O-ring a[...]

  • Page 73

    73 3. MAINTENANCE IMPORT ANT 1. This icemaker must be maintained individually, referring to the instruction manual and labels provided with the icemaker. 2. To have the optimum performance of this icemaker, the following consumable parts need periodic inspection, maintenance and replacement: Extruding Head Housing Gear Motor Auger Mechanical Seal T[...]

  • Page 74

    74 3) Air Filter (Air-cooled model only) A plastic mesh air filter removes dirt or dust from the air, and keeps the Condenser from getting clogged. As the filter gets clogged, the icemaker’s performance will be reduced. Check the filter at least twice a month. When clogged, use warm water and a neutral cleaner to wash the filter. 4) Condenser (Ex[...]