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Hoshizaki KM-630MAF manuale d’uso - BKManuals

Hoshizaki KM-630MAF manuale d’uso

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Un buon manuale d’uso

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La parola deriva dal latino "instructio", cioè organizzare. Così, il manuale d’uso Hoshizaki KM-630MAF descrive le fasi del procedimento. Lo scopo del manuale d’uso è istruire, facilitare lo avviamento, l'uso di attrezzature o l’esecuzione di determinate azioni. Il manuale è una raccolta di informazioni sull'oggetto/servizio, un suggerimento.

Purtroppo, pochi utenti prendono il tempo di leggere il manuale d’uso, e un buono manuale non solo permette di conoscere una serie di funzionalità aggiuntive del dispositivo acquistato, ma anche evitare la maggioranza dei guasti.

Quindi cosa dovrebbe contenere il manuale perfetto?

Innanzitutto, il manuale d’uso Hoshizaki KM-630MAF dovrebbe contenere:
- informazioni sui dati tecnici del dispositivo Hoshizaki KM-630MAF
- nome del fabbricante e anno di fabbricazione Hoshizaki KM-630MAF
- istruzioni per l'uso, la regolazione e la manutenzione delle attrezzature Hoshizaki KM-630MAF
- segnaletica di sicurezza e certificati che confermano la conformità con le norme pertinenti

Perché non leggiamo i manuali d’uso?

Generalmente questo è dovuto alla mancanza di tempo e certezza per quanto riguarda la funzionalità specifica delle attrezzature acquistate. Purtroppo, la connessione e l’avvio Hoshizaki KM-630MAF non sono sufficienti. Questo manuale contiene una serie di linee guida per funzionalità specifiche, la sicurezza, metodi di manutenzione (anche i mezzi che dovrebbero essere usati), eventuali difetti Hoshizaki KM-630MAF e modi per risolvere i problemi più comuni durante l'uso. Infine, il manuale contiene le coordinate del servizio Hoshizaki in assenza dell'efficacia delle soluzioni proposte. Attualmente, i manuali d’uso sotto forma di animazioni interessanti e video didattici che sono migliori che la brochure suscitano un interesse considerevole. Questo tipo di manuale permette all'utente di visualizzare tutto il video didattico senza saltare le specifiche e complicate descrizioni tecniche Hoshizaki KM-630MAF, come nel caso della versione cartacea.

Perché leggere il manuale d’uso?

Prima di tutto, contiene la risposta sulla struttura, le possibilità del dispositivo Hoshizaki KM-630MAF, l'uso di vari accessori ed una serie di informazioni per sfruttare totalmente tutte le caratteristiche e servizi.

Dopo l'acquisto di successo di attrezzature/dispositivo, prendere un momento per familiarizzare con tutte le parti del manuale d'uso Hoshizaki KM-630MAF. Attualmente, sono preparati con cura e tradotti per essere comprensibili non solo per gli utenti, ma per svolgere la loro funzione di base di informazioni e di aiuto.

Sommario del manuale d’uso

  • Pagina 1

    73082 HOSHIZAKI MODULAR CRESCENT CUBER SER VICE MANU AL KM-630MAF KM-630MWF KM-630MRF MODEL MAR. 19, 1999 NO.: ISSUED: REVISED: DEC. 15, 2003[...]

  • Pagina 2

    2 IMPORT ANT 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 AMERICA, INC. 618 Highway 74 South Peachtree City , GA 30269 Attn: HOSHIZAKI T echnical Support Department Phone: 1-800-233-1940 T[...]

  • Pagina 3

    3 • Please review this manual. It should be read carefully before the icemaker is serviced or maintenance operations 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 PAGE I. SPECIFICATIONS .......................[...]

  • Pagina 4

    4 V. REMOVAL AND REPLACEMENT OF COMPONENTS .......................................... 40 1. SERVICE FOR REFRIGERANT LINES ............................................................... 40 [a] REFRIGERANT RECOVERY ........................................................................ 40 [b] EVACUATION AND RECHARGE ................................[...]

  • Pagina 5

    5 I. SPECIFICATIONS 1. KM-630MAF * We reserve the right to make changes in specifications and design without prior notice.[...]

  • Pagina 6

    6 2. KM-630MWF * We reserve the right to make changes in specifications and design without prior notice.[...]

  • Pagina 7

    7 3. KM-630MRF * We reserve the right to make changes in specifications and design without prior notice.[...]

  • Pagina 8

    8 4. CONDENSER UNIT URC-6F 24" (610 mm.) 23-1/32" (585 mm.) 19-11/16" (500 mm.) 18-1/8" (460 mm.) 20-15/32" (520 mm.) 21-15/16" (557 mm.) 7/8" DIA. HOLE (23 mm. DIA.) 6-5/16" (160 mm.) 2-15/16" (75 mm.) 18-1/8" (460 mm.) 6/16" x 3/4" (10 mm. x 20 mm.) 4 x 2 (SLOTTED HOLES) 17-1/8" (43[...]

  • Pagina 9

    9 Galvanized Steel 21-15/16" x 15-11/16" x 17-7/8" (557 x 398 x 453.8 mm.) R404A 1 lb. 14 oz. (850 g) Net 61 lbs. (28 kg) Shipping 68 lbs. (31 kg) One Shot Couplings (Aeroquip) Permanent Connection Air-cooled Condensing Pressure Regulator Min. -20°F - Max. +122°F (-29°C to +50°C) Outdoor use SPECIFICATIONS EXTERIOR DIMENSIONS (W [...]

  • Pagina 10

    10 II. GENERAL INFORMA TION 1. CONSTR UCTION [a] KM-630MAF Water Supply Inlet Junction Box Condenser Fan Motor Strainer Compressor Drier Spray Tubes Control Box Control Switch Bin Control Expansion Valve Float Switch Water Pump[...]

  • Pagina 11

    11 [b] KM-630MWF[...]

  • Pagina 12

    12 [c] KM-630MRF[...]

  • Pagina 13

    13 2. CONTROLLER BO ARD [a] SOLID-STATE CONTROL 1) A HOSHIZAKI exclusive solid-state control is employed in KM-630MAF, KM630MWF, and KM-630MRF Modular Crescent Cubers. 2) A Printed Circuit Board (hereafter called “Controller Board”) includes a stable and high quality control system. 3) All models are pretested and factory-adjusted. [b] CONTROLL[...]

  • Pagina 14

    14 2) Defrost Timer The defrost cycle starts when the Float Switch opens and completes the freeze cycle. But the Defrost Timer does not start counting until the Thermistor senses 48°F at the Evaporator outlet. The period from the end of the freeze cycle up to the point of the Thermistor's sensing varies depending on the ambient and water temp[...]

  • Pagina 15

    15 problem occurs. At startup a 5 second delay occurs while the board conducts an internal timer check. A short beep occurs when the power switch is turned ON or OFF. The green LED’s 1-4 represent the corresponding relays and energize and sequence 5 seconds from initial startup as follows: Sequence Step LED’s on Length: Min. Max. Avg. 1 Minute [...]

  • Pagina 16

    16 (Control Pr oducts HOS-001A Board) to the K1 connector. If there is a white wire, place the switch in the C position. If this switch is placed in the wrong position either the compressor contactor will remain ener- gized with the control switch OFF or the unit will not start. The dip switches should be adjusted per the adjustment chart published[...]

  • Pagina 17

    17 [c] SEQUENCE 1st Cycle 1. Unit energized and Control Switch to “ICE” position. Water supply cycle starts. 2. After 1 minute, Defrost cycle starts. 3. Thermistor reads 48° F. Defrost Timer starts counting. IMPORTANT Water Valve opening is limited to 6 minutes. & 5. After the first 5 minutes in freeze cycle. Ready to complete freeze cycle[...]

  • Pagina 18

    18 2nd Cycle and after with pump drain IMPORTANT Freeze cycle time is limited to 60 minutes even if Float Switch does not open. 1. Float Switch opens and signals to complete freeze cycle. Drain timer starts counting. 2. Drain timer stops counting. Pump drain is completed 3. Thermistor reads 48° F. Defrost Timer starts counting. IMPORTANT Water Val[...]

  • Pagina 19

    19 IMPORTANT Freeze cycle time is limited to 60 minutes even if Float Switch does not open. 2nd Cycle and after with no pump drain 1. Float Switch opens and signals to complete freeze cycle. 2. Thermistor reads 48° F. Defrost Timer starts counting. IMPORTANT Water Valve opening is limited to 6 minutes. 4. After the first 5 minutes in freeze cycle.[...]

  • Pagina 20

    20 DIP SWITCH NO. 1 2 3 4 5 6 7 8 9 10 KM-630MWF OFF OFF OFF OFF ON ON OFF OFF OFF OFF KM-630MAF, OFF OFF OFF OFF ON ON OFF OFF ON OFF KM-630MRF [d] CONTROLS AND ADJUSTMENTS The Dip Switch is factory-adjusted to the following positions: Switch Nos. 1 and 2: Used for adjustment of the Defrost Timer. The Defrost Timer starts counting when the Thermis[...]

  • Pagina 21

    21 1) Defrost Control A thermistor (Semiconductor) is used for a defrost control sensor. The resistance var- ies depending on the Suction Line temperatures. The Thermistor detects the tempera- ture of the Evaporator outlet to start the Defrost Timer. No adjustment is required. If necessary, check for resistance between Thermistor leads, and visuall[...]

  • Pagina 22

    22 3) Drain Timer The Drain Timer is factory-adjusted, and no adjustment is required. SETTING TIME Dip Switch Dip Switch No. 3 No. 4 T1 T2 OFF OFF 10 seconds 150 seconds ON OFF 10 seconds 180 seconds OFF ON 10 seconds 120 seconds ON ON 20 seconds 180 seconds T1: Time to drain the Water Tank T2: Time to restrain defrost completion 4) Drain Counter C[...]

  • Pagina 23

    23 6) Bin Control CA UTION When the ambient temperature is below 45°F, the Bin Control Thermostat operates to stop the icemaker even if the Ice Storage Bin is empty. When the Thermostat is set in the prohibited range, the icemaker operates continuously even if the Ice Storage Bin is filled with ice. Setting in the prohibited range might cause seve[...]

  • Pagina 24

    24 (iv) After Step (iii), de-energize the unit and confirm that the Defrost Timer is in the minimum position. Disconnect the resistor from the Controller Board, and ener- gize the unit. After the 1 minute water supply cycle, the defrost cycle starts. Re-connect a 1.5 k W - 3.5 k W resistor to the Connector K3 (pins #1 and #2) after the first 2 minu[...]

  • Pagina 25

    25 III. TECHNICAL INFORMA TION 1. WATER CIRCUIT AND REFRIGERANT CIRCUIT [a] KM-630MAF[...]

  • Pagina 26

    26 [b] KM-630MWF[...]

  • Pagina 27

    27 [c] KM-630MRF[...]

  • Pagina 28

    28 2. WIRING DIA GRAMS [a] KM-630MAF and KM-630MWF Note: Pressure Switch Cut-out 412 ± PSIG Cut-in 327 ± 21 PSIG 21 0[...]

  • Pagina 29

    29 [b] KM-630MRF U1GMA0179608 Note: Pressure Switch Cut-out 412 ± PSIG Cut-in 327 ± 21 PSIG 21 0[...]

  • Pagina 30

    30 * * 3. TIMING CHART Control Sw. in ICE Bin Thermo- stat ON Pressure Sw. ON Overheat Protect Reset Hi Temp Mid Temp Lo Temp Too Lo Temp Normal Too Hi Temp Lo Water Max. Min. 60 min 5 min Min. Max. Max. 2 min 6 min 6 min Max. 20 min Time Up (60 sec) If Float Sw. is OFF From Defrost Cycle When Control Sw. is turned OFF, Pressure Sw. is OFF, or Ther[...]

  • Pagina 31

    31 To Freeze Cycle To Stand-by Cycle (When Control Sw. is turned OFF, Pressure Sw. is OFF, or Thermistor Temp. exceeds t1.) From Freeze Cycle Control Sw. in WASH Max. 20 min *1 The Pump Motor waits for 2 seconds before starting a drain cycle. See “II. 2. [d] CONTROLS AND ADJUSTMENTS.” *2 The icemaker does not complete a defrost cycle in the fir[...]

  • Pagina 32

    32 4. PERFORMANCE DATA [a] KM-630MAF Note: Pressure data is recorded at 5 minutes into freeze cycle. The data not in bold should be used for reference only. * We reserve the right to make changes in specifications and design without prior notice.[...]

  • Pagina 33

    33 [b] KM-630MWF Note: Pressure data is recorded at 5 minutes into freeze cycle. The data not in bold should be used for reference only. * We reserve the right to make changes in specifications and design without prior notice.[...]

  • Pagina 34

    34 [c] KM-630MRF Note: Pressure data is recorded at 5 minutes into freeze cycle. The data not in bold should be used for reference only. * We reserve the right to make changes in specifications and design without prior notice.[...]

  • Pagina 35

    35 PROBLEM POSSIBLE CAUSE REMEDY [1] The icemaker a) Power Supply 1. “OFF” position. 1. Move to “ON” position will not start 2. Loose connections. 2. Tighten 3. Bad contacts. 3. Check for continuity and replace. 4. Voltage too high. 4. Check and get recommended voltage. b) Fuse (Inside Fused 1. Blown out. 1. Check for short circuit Disconne[...]

  • Pagina 36

    36 PROBLEM POSSIBLE CAUSE REMEDY l) Controller Board 1. Defective 1. See “II.2[e] CHECKING CONTROLLER BOARD.” m) Interlock Switch 1. “OFF” position. 1. Move to “ON” position. (Cleaning Valve) 2. Bad contacts. 2. Check for continuity and replace. [2] Water a) Float switch 1. Connector disconnected. 1. Place in position. continues to 2. L[...]

  • Pagina 37

    37 PROBLEM POSSIBLE CAUSE REMEDY [5] No water a) Water Supply Line 1. Water pressure too low and 1. Check and get comes from water level in Water Tank recommended pressure. Spray Tubes. too low. Water Pump b) Water Solenoid 1. Dirty mesh filter or orifice 1. Clean. will not start, or Valve and water level in Water freeze cycle Tank too low. time is[...]

  • Pagina 38

    38 3. LO W ICE PRODUCTION PROBLEM POSSIBLE CAUSE REMEDY [1] Freeze cycle a) Float Switch 1. Leads short-circuit or 1. Check and replace. time is too defective switch. long. 2. Float does not move freely. 2. Clean or replace. b) Water Solenoid 1. Diaphragm does not close. 1. Check for water leaks Valve with icemaker off. c) Controller Board 1. Defec[...]

  • Pagina 39

    39 PROBLEM POSSIBLE CAUSE REMEDY [1] Icemaker will a) Bin Control 1. Set too cold. 1. Adjust warmer. not stop when Thermostat 2. Defective. 2. Replace. bin is filled with ice. [2] Abnormal a) Pump Motor 1. Bearings worn out. 1. Replace. noise b) Fan Motor 1. Bearings worn out. 1. Replace. 2. Fan blade deformed. 2. Replace fan blade. 3. Fan blade do[...]

  • Pagina 40

    40 V. REMOVAL AND REPLACEMENT OF COMPONENTS IMPORTANT Ensure all components, fasteners and thumbscrews are securely in place after the equipment is serviced. IMPORTANT 1. The Polyol Ester (POE) oils used in R-404A units can absorb moisture quickly. Therefore it is important to prevent moisture from entering the system when replacing or servicing pa[...]

  • Pagina 41

    41 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. 6) A liquid [...]

  • Pagina 42

    42 3. REMO V AL AND REPLA CEMENT 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 repair or replacement has been made. Note: When replacing a Compressor with a defective winding, be sure to install the new Start Capacitor and Start Relay supplied[...]

  • Pagina 43

    43 15) 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 air-cooled models, see the Charge Label in the machine compartment. 16) Connect the Terminals, and replace the Terminal Cover in its correct position. 17) Replace the panels in their c[...]

  • Pagina 44

    44 KM9311 4. REMO V AL AND REPLA CEMENT OF DRIER IMPORT ANT Always install a new Drier every time the sealed refrigeration system is opened. Do not replace the Drier until after all other repair or replacement has been made. 1) Turn off the power supply. 2) Remove the panels. 3) Recover the refrigerant and store it in an approved container. 4) Remo[...]

  • Pagina 45

    45 3) Recover the refrigerant and store it in an approved container. 4) Remove the insulation and the Expansion Valve Bulb on the suction line. 5) Remove the Expansion Valve Cover, and disconnect the Expansion Valve using brazing equipment. 6) Braze the new Expansion Valve, with nitrogen gas flowing at the pressure of 3-4 PSIG. W ARNING Always prot[...]

  • Pagina 46

    46 IMPORT ANT Always install a new Drier every time the sealed refrigeration system is opened. Do not replace the Drier until after all other repair or replacement has been made. 1) Turn off the power supply. 2) Remove the panels. 3) Recover the refrigerant and store it in an approved container. 4) Remove the screw and the Solenoid. 5) Disconnect t[...]

  • Pagina 47

    47 7. REMO V AL AND REPLA CEMENT OF EV APORA T OR 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 and the Top Insulation over the Evaporator. 3) Recover the refrigerant [...]

  • Pagina 48

    48 8. REMO V AL AND REPLA CEMENT 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 repair or replacement has been made. 1) Turn off the power supply. 2) Close the Water Supply Line Shut-off Valve. 3) R[...]

  • Pagina 49

    49 9. 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-side line of the system. Or prep[...]

  • Pagina 50

    50 10. REMO V AL AND REPLA CEMENT OF CONDENSING PRESSURE REGULA T OR (C.P .R.) - REMO TE 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 repair or replacement has been made. 1) Turn off the power supply. 2) Remove the panels from the re[...]

  • Pagina 51

    51 11. REMO V AL AND REPLA CEMENT OF THERMIST OR CA UTION 1. Fragile, handle very carefully. 2. Always use a recommended sealant (High Thermal Conductive Type), Model KE4560RTV manufactured by SHINETSU SILICONE, Part Code 60Y000-11, or Part Code 4A0683-01 or equivalent. 3. Always use a recommended foam insulation (Non-absorbent Type) or equivalent.[...]

  • Pagina 52

    52 Note: For models with the Liquid Bypass, the Thermistor should be located upstream from the Liquid Bypass outlet, and its end should be 4-3/4" or more away from the outlet. See Fig. 3. Min. 4-3/4" Liquid Bypass Flow 10) Secure the insulation using the Plastic Cable Ties. 11) Connect the Thermistor leads through the bushing of the Contr[...]

  • Pagina 53

    53 6) Install the new Fan Motor, and replace the removed parts in the reverse order of which they were removed. 7) Replace the panels in their correct positions. 8) Replace the Junction Box Cover in its correct position (Remote Air-cooled model). 9) Turn on the power supply. 13. REMO V AL AND REPLA CEMENT OF W A TER V AL VE 1) Turn off the power su[...]

  • Pagina 54

    54 3) Remove the Base Cover. 4) Drain the Water Tank by removing one end of the Pump Tubing. 5) Replace the removed parts in their correct positions. 6) Disconnect the Pump Suction and Discharge Hoses. 7) Remove the screws and the Pump Motor Bracket. 8) Remove the closed end connectors from the Pump Motor leads. 9) Remove the two screws and the Pum[...]

  • Pagina 55

    55 VI. MAINTENANCE AND CLEANING INSTRUCTIONS IMPORTANT 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 WARNING When shutting off the icemaker for an extended time, drain out all water from the water tank and remove the ice f[...]

  • Pagina 56

    56 [2] Remove the water from the potable water supply line: 1) Remove the Front Panel. (Except water-cooled model) 2) Move the Control Switch, on the Control Box, to the “OFF” position. 3) Wait 3 minutes. 4) Close the Potable Water Supply Line Shut-off Valve and open the Potable Water Supply Line Drain Valve. 5) Allow the line to drain by gravi[...]

  • Pagina 57

    57 CLOSED POSITION OPEN POSITION 2. CLEANING IMPORTANT Ensure all components, fasteners and thumbscrews are securely in place after any maintenance or cleaning is done to the equipment. WARNING 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 p[...]

  • Pagina 58

    58 [a] CLEANING PROCEDURE 1) Dilute 16 fl. oz. of the recommended cleaner Hoshizaki “Scale Away” or “LIME-A-WAY” (Economics Laboratory, Inc.) with 3 gal. of water. 2) Remove all ice from the Evaporator and the Storage Bin. Note: To remove cubes on the Evaporator, turn off the power supply and turn it on after 3 minutes. The defrost cycle st[...]

  • Pagina 59

    59 19) Replace the Front Panel in its correct position. 20) Turn on the power supply to fill the Water Tank with water. 21) Turn off the power supply after 3 minutes. 22) Remove the Front Panel, and fully open the Cleaning Valve. 23) Move the Control Switch to the “Wash” position. 24) Replace the Front Panel in its correct position. 25) Turn on[...]

  • Pagina 60

    60 [b] SANITIZING PROCEDURE - Following Cleaning Procedure 1) Dilute a 5.25% Sodium Hypochlorite solution (chlorine bleach) with water (Add 1.5 fl. oz. of sanitizer to 3 gal. of water). 2) Remove the Insulation Panel, if it is in its usual position. 3) Pour the sanitizing solution into the Water Tank. 4) Replace the Insulation Panel and the Front P[...]

  • Pagina 61

    61 3. MAINTENANCE IMPORT ANT This icemaker must be maintained individually, referring to the instruction manual and labels provided with the icemaker. 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) Storag[...]