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Hoshizaki KM-501MWH manuale d’uso - BKManuals

Hoshizaki KM-501MWH manuale d’uso

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Un buon manuale d’uso

Le regole impongono al rivenditore l'obbligo di fornire all'acquirente, insieme alle merci, il manuale d’uso Hoshizaki KM-501MWH. La mancanza del manuale d’uso o le informazioni errate fornite al consumatore sono la base di una denuncia in caso di inosservanza del dispositivo con il contratto. Secondo la legge, l’inclusione del manuale d’uso in una forma diversa da quella cartacea è permessa, che viene spesso utilizzato recentemente, includendo una forma grafica o elettronica Hoshizaki KM-501MWH o video didattici per gli utenti. La condizione è il suo carattere leggibile e comprensibile.

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La parola deriva dal latino "instructio", cioè organizzare. Così, il manuale d’uso Hoshizaki KM-501MWH 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-501MWH dovrebbe contenere:
- informazioni sui dati tecnici del dispositivo Hoshizaki KM-501MWH
- nome del fabbricante e anno di fabbricazione Hoshizaki KM-501MWH
- istruzioni per l'uso, la regolazione e la manutenzione delle attrezzature Hoshizaki KM-501MWH
- 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-501MWH 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-501MWH 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-501MWH, 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-501MWH, 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-501MWH. 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

    1 Hoshizaki “A Superior Degree of Reliability” www .hoshizaki.com Models KM-501MAH KM-501MWH KM-501MRH Modular Crescent Cuber Hoshizaki America, Inc. S E RV I C E M A N U A L ™ Number: 73137 Issued: 10-16-2006 Revised: 3-27-2007[...]

  • Pagina 2

    2 IMPOR T ANT Only qualified ser vice technicians should attempt to ser vice or maintain this icemaker . No such ser vice or maintenance should be under taken until the technician has thoroughly read this Ser vice Manual. HOSHIZAKI provides this man ual primar ily to assist qualified ser vice technicians in the ser vice and maintenance of the ice[...]

  • Pagina 3

    3 Please re vie w this manual. It should be read carefully bef ore the icemak er is ser viced or maintenance operations are perf or med. Only qualified ser vice technicians should ser vice and maintain the icemaker . This manual should be made a v ailab le to the technician prior to ser vice or maintenance. CONTENTS I. Specifications ............[...]

  • Pagina 4

    4 III. T echnical Inf or mation ...................................................................................................... 23 A. W ater Circuit and Refr igeration Circuit ........................................................................ 23 1. KM-501MAH (air-cooled) .................................................................[...]

  • Pagina 5

    5 AC SUPPLY VOLTAGE 115/60/1 AMPERAGE 13 A ( 5 Min. Freeze AT 104°F / WT 80°F) MINIMUM CIRCUIT AMPACITY 20 A MAXIMUM FUSE SIZE 20 A APPROXIMATE ICE PRODUCTION Ambient WATER TEMP. (°F) PER 24 HR. Temp.(°F) 50 70 90 lbs./day ( kg/day ) 70 *498 (226) 474 (215) 433 (197) Reference without *marks 80 480 (218) 442 (201) 397 (180) 90 474 (215) *416 (1[...]

  • Pagina 6

    6 2. KM-501MWH (water-cooled) Note: We reserve the right to make changes in specifications and design without prior notice. AC SUPPLY VOLTAGE 115/60/1 AMPERAGE 10 A ( 5 Min. Freeze AT 104°F / WT 80°F) MINIMUM CIRCUIT AMPACITY 20 A MAXIMUM FUSE SIZE 20 A APPROXIMATE ICE PRODUCTION Ambient WATER TEMP. (°F) PER 24 HR. Temp.(°F) 50 70 90 lbs./day [...]

  • Pagina 7

    7 3. KM-501MRH (remote air-cooled) Note: We reserve the right to make changes in specifications and design without prior notice. AC SUPPLY VOLTAGE 115/60/1 AMPERAGE 15 A ( 5 Min. Freeze AT 104°F / WT 80°F) MINIMUM CIRCUIT AMPACITY 20 A MAXIMUM FUSE SIZE 20 A APPROXIMATE ICE PRODUCTION Ambient WATER TEMP. (°F) PER 24 HR. Temp.(°F) 50 70 90 lbs.[...]

  • Pagina 8

    8 B. Condensing Unit 1. 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 (SLO TTED HOLES) 17-1/8"[...]

  • Pagina 9

    9 SPECIFICA TIONS MODEL: URC-6F Galvaniz ed Steel 21-15/16" x 15-11/16" x 17-7/8" (557 x 398 x 453.8 mm.) R404A 1 lb . 2 oz. (505 g) Net 61 lbs. (28 kg) Shipping 68 lbs. (31 kg) One Shot Couplings (P ar ker) P er manent Connection Air-cooled Condensing Pressure Regulator Min. -20°F - Max. +122°F (-29°C to +50°C) Outdoor use EXTER[...]

  • Pagina 10

    10 II. General Information A. Construction 1. KM-501MAH (air-cooled) Spr a y T ubes W ater Supply Inlet Control Switch Condenser Hot Gas V alve Expansion V alve F an Motor C o n d e n s e r Compressor D r i e r Float Switch Control Bo x W ater Pump Bin Control Ther mostat[...]

  • Pagina 11

    11 2. KM-501MWH (water-cooled) Spra y T ubes W ater Supply Inlet Control Switch W ater Regulator Expansion V alve Hot Gas V alve Compressor Float Switch Drier W ater Pump Control Box Bin Control Ther mostat[...]

  • Pagina 12

    12 3. KM-501MRH (remote air-cooled) Spra y T ubes W ater Supply Inlet Control Switch Junction Bo x Expansion V alve Receiv er T ank Compressor Float Switch Drier W ater Pump Hot Gas V alv e Line V alve Control Bo x Bin Control Ther mostat[...]

  • Pagina 13

    13 B. Sequence of Operation The steps in the sequence are as outlined below . When po wer is supplied, a 5 second dela y occurs at star tup . Note that the order of the LEDs from the outer edge of the board is 1, 4, 3, 2. 1. One Minute Fill Cycle LED 4 is on. WV opens and the fill period begins. After 1 minute, the board chec ks f or a closed F/S.[...]

  • Pagina 14

    14 KM-501MAH, KM-501MWH, KM-501MRH Sequence Flow Chart and Component Operation 1. One Minute Fill Cycle 2. Har vest Cycle 3. Freez e Cycle 4. Pump-Out Cycle Cycle Steps WV Energized F/S open F/S closed Comp energized HGV energized FMR energized WV continues Thermistor temp reaches 48°F (9°C) (3.9 k Ω or less) Har v est timer star ts F/S open Com[...]

  • Pagina 15

    15 C. Control Boar d • A HOSHIZAKI e xclusiv e solid-state control is emplo yed in KM-501MAH, KM-501MWH and KM-501MRH Modular Crescent Cubers. • All models are pretested and f actor y-adjusted. CA UTION 1. F ragile , handle v er y carefully . 2. A control board contains integrated circuits, which are susceptib le to failure due to static discha[...]

  • Pagina 16

    16 Control Boar d P ar t Number 2A1410-01 (f actor y); 2A1410-02 (service) T ype HOS-001A (Control Products - 10 Pin) Contr ol Pr oducts "E" Contr ol Boar d 1. Control Boar d La y out Output T est Switch (used to test rela ys on board) Connector K3 Har v est Control (thermistor) Connector K4 Open (not connected) Microprocessor (board re v[...]

  • Pagina 17

    17 2. Features a) Maximum W ater Supply P eriod – 6 minutes Inlet water v alve opening, in the harvest cycle , is limited by the harvest timer . The water v alv e cannot remain open longer than the maximum period. The w ater v alv e can close in less than six minutes if the harvest cycle is completed. b) Harvest Backup Timer and Freeze Timer The [...]

  • Pagina 18

    18 f) LED Lights and A udible Alarm Saf eties The red LED indicates proper control v oltage and will remain on unless a control v oltage problem occurs . At star tup a 5 second delay occurs while the board conducts an internal timer check. A shor t beep occurs when the power s witch is tur ned OFF . The green LEDs 1 through 4 energiz e and sequence[...]

  • Pagina 19

    19 3. Controls and Adjustments a) Default Dip Switch Settings The dip s witch is f actor y-adjusted to the follo wing positions: Dip Switch No . 1 2 3 4 5 6 7 8 9 10 KM-501MAH OFF ON OFF OFF ON ON OFF OFF ON OFF KM-501MWH OFF OFF OFF OFF ON ON OFF OFF OFF OFF KM-501MRH OFF OFF OFF OFF ON ON OFF OFF OFF OFF F reeze Timer (9 & 10) Pump-Out F requ[...]

  • Pagina 20

    20 c) Harvest Timer (dip switch 1 & 2) The har v est timer star ts counting when the ther mistor reads 48°F (9°C) at the e v aporator outlet. No adjustment is required under nor mal use, as the harvest timer is adjusted to the suitable position. How e ver , a setting longer than the factory setting may be advised in cases where the flush pro[...]

  • Pagina 21

    21 e) Pump-Out Frequency Contr ol (dip s witch 5 & 6) The pump motor drains the w ater tank at the frequency set b y the pump-out frequency control. The pump-out frequency control is f actor y-adjusted to drain the w ater tank e very 10 cycles, and no adjustment is required. How e v er , where water quality is bad and the icemaker needs a pump [...]

  • Pagina 22

    22 4. Control Boar d Chec k Procedure Bef ore replacing a control board that does not sho w a visible def ect and that you suspect is bad, alwa ys conduct the f ollowing chec k procedure. This procedure will help y ou v erify your diagnosis . 1) Check the dip s witch settings to assure that #3, 4, 7, 8, 9, & 10 are in the f actor y def ault pos[...]

  • Pagina 23

    23 III. T echnical Inf ormation A. W ater Cir cuit and Refrigeration Circuit 1. KM-501MAH (air-cooled)[...]

  • Pagina 24

    24 2. KM-501MWH (water-cooled)[...]

  • Pagina 25

    25 3. KM-501MRH (remote air-cooled)[...]

  • Pagina 26

    26 B. Wiring Diagrams 1. KM-501MAH (air-cooled) and KM-501MWH (water -cooled) * Pressure Switch Air-Cooled Model W ater-Cooled Model Cut-out 412± 21 PSIG 384± 21 PSIG Cut-in 327±21 PSIG 284±21 PSIG 0 0 *[...]

  • Pagina 27

    27 2. KM-501MRH (remote air-cooled) * * Pressure Switch Cut-out 412± 21 PSIG Cut-in 327±21 PSIG 0[...]

  • Pagina 28

    28 C. Timing Chart *1 The icemaker does not complete a harvest cycle in the first 2 or 3 min utes. See "II.C .3. Controls and Adjustments."[...]

  • Pagina 29

    29 *1 The pump motor waits f or 2 seconds before starting a pump-out drain cycle. See "II.C.3. Controls and Adjustments." *2 The icemaker does not complete a harvest cycle in the first 2 or 3 min utes. See "II.C .3. Controls and Adjustments."[...]

  • Pagina 30

    30 70/21 498 226 474 215 433 197 80/27 480 218 442 201 397 180 90/32 474 215 416 189 372 169 lbs./day kg./da y 100/38 463 210 406 184 332 150 70/21 80/27 90/32 watts 100/38 70/21 245 0.93 199 0.75 177 0.67 80/27 210 0.79 139 0.53 139 0.53 90/32 199 0.75 89 0.34 79 0.30 gal./day m 3 /day 100/38 147 0.56 86 0.33 71 0.27 70/21 80/27 90/32 min. 100/38 [...]

  • Pagina 31

    31 2. KM-501MWH (water-cooled) Note: 1. Pressure data is recorded at 5 minutes into freezing cycle. The data not in bold should be used f or ref erence only . 2. W e reser v e the right to make changes in specifications and design without prior notice. 70/21 498 226 495 224 465 211 80/27 496 225 491 223 447 203 90/32 495 224 488 221 449 204 lbs./d[...]

  • Pagina 32

    32 3. KM-501MRH (remote air-cooled) Note: 1. Pressure data is recorded at 5 minutes into freezing cycle. The data not in bold should be used f or ref erence only . 2. W e reser v e the right to make changes in specifications and design without prior notice. 70/21 482 219 475 215 437 198 80/27 476 216 465 211 412 187 90/32 475 215 457 207 410 186 l[...]

  • Pagina 33

    33 IV . Service Diagnosis A. 10-Minute KM Diagnostic Pr ocedure The 10 minute chec k out procedure is basically a sequence chec k which can be used at unit star t-up or for system diagnosis . Using this check out procedure will allo w y ou to diagnose electrical system and component failures in appro ximately 10 minutes under nor mal operating cond[...]

  • Pagina 34

    34 freeze with the float s witch remov ed, replace the board. Note: Nor mal freeze cycle will last 20 to 40 min utes depending on model and conditions. Cycle times and pressures should f ollow perf or mance data provided in this manual. 6) Pump-Out Cycle (10/20 second pump out) – the compressor remains energiz ed, the hot gas v alv e energizes ,[...]

  • Pagina 35

    35 Prob lem P ossible Cause Remedy 3. Ambient or condenser water temper ature too warm. 3. Reduce temperature. 4. Refrigerant ov ercharged. 4. Recharge. 5. F an not operating. (e xcept water-cooled model) 5. See char t 1.[6] 6. Refrigerant line or components plugged. 6. Clean and replace drier . 7. Condenser water pressure too low or off . (water-c[...]

  • Pagina 36

    36 Prob lem P ossible Cause Remedy m) Interlock Switch Open (Cleaning V alve) 1. Misaligned. 1. Realign. 2. Bad contacts. 2. Check f or continuity and replace. n) W ash Switch 1. W ASH position. 1. Mov e to ICE position. 2. Bad contacts. 2. Check and replace . [2] W ater continues to be supplied, and the icemaker will not star t. a) Float Switch 1.[...]

  • Pagina 37

    37 Prob lem P ossible Cause Remedy 2. Clogged. 2. Clean. 3. Pump out check v alv e leaking by . 3. Check assemb ly and clean. d) Pump Motor 1. Motor winding opened. 1. Replace. 2. Bearing wor n out. 2. Replace. 3. Wiring to pump motor . 3. Check f or loose connection or open, and replace. 4. Defectiv e capacitor . 4. Replace. 5. Defectiv e or bound[...]

  • Pagina 38

    38 2. Evaporator is Fr ozen Up Prob lem P ossible Cause Remedy [1] F reeze cycle time is too long. a) Float Switch 1. Leads shor t-circuit or def ectiv e s witch. 1. Check and replace . 2. Float does not mov e freely . 2. Clean or replace. b) Inlet Water V alve 1. Diaphragm does not close. 1. Check f or water leaks with icemaker off . c) Control Bo[...]

  • Pagina 39

    39 Prob lem P ossible Cause Remedy g) W ater Supply Line 1. T oo small; requires 3/8" OD line dedicated per machine. 1. Increase water line size . h) W ater Filter 1. Flow rate too small. 1. Replace with filter that has larger flow r ate. 3. Low Ice Pr oduction Prob lem P ossible Cause Remedy [1] F reeze cycle time is long. a) See char t 1.[[...]

  • Pagina 40

    40 Prob lem P ossible Cause Remedy 2. Mounting pad out of position. 2. Reinstall. d) Refrigerant Lines 1. Rub or touch other lines or surf aces. 1. Replace. [3] Ice in storage bin often melts. a) Drain Line(s) 1. Plugged. 1. Clean. b) Icemaker and Bin 1. Drains not run separately . 1. Separate the drain lines . c) Ice Cube Guide 1. Out of position.[...]

  • Pagina 41

    41 V . Remo v al and Replacement of Components IMPOR T ANT Ensure all components, f asteners and thumbscrews are securely in place after the equipment is ser viced. IMPOR T ANT 1. The P oly ol Ester (POE) oils used in R-404A units can absorb moisture quickly . Theref ore it is impor tant to prev ent moisture from enter ing the system when replacing[...]

  • Pagina 42

    42 8) If necessar y , add any remaining charge to the system through the lo w-side. Use a throttling v alv e or liquid dispensing de vice to add the remaining liquid charge through the low-side access por t with the unit running. 9) Close the two refrigerant access v alv es , and disconnect the hoses and ser vice manif old. 10) Cap the access v alv[...]

  • Pagina 43

    43 4) Remov e the ter minal cov er on the compressor , and disconnect the compressor wiring. 5) Remov e the discharge and suction pipes using brazing equipment. 6) Remov e the hold-down bolts, w ashers and r ubber grommets . 7) Slide and remov e the compressor . Unpack the ne w compressor package. Install the new compressor . 8) Attach the rubber g[...]

  • Pagina 44

    44 E. Remov al and Replacement of Expansion V alve IMPOR T ANT Sometimes moisture in the refrigeration circuit e xceeds the drier capacity and freezes up at the e xpansion valv e. Alwa ys install a new drier ev er y time the sealed refrigeration system is opened. Do not replace the drier until after all other repair or replacement has been made. 1)[...]

  • Pagina 45

    45 1) T ur n off the power supply . 2) Remov e the panels. 3) Recov er the refr igerant and store it in an appro v ed container . 4) Remov e the screw and the solenoid. 5) Disconnect the hot gas v alv e or line v alv e using brazing equipment. 6) Install the new v alve . CA UTION Alwa ys protect the valv e body by using a damp cloth to pre vent the[...]

  • Pagina 46

    46 10) Ev acuate the system, and charge it with refrigerant. For air-cooled and w ater-cooled models, see the nameplate f or the required refr igerant charge . For remote air-cooled models, see the charge label in the machine compar tment. 11) Replace the remov ed par ts in the re verse order of which the y were remov ed. 12) Replace the top insula[...]

  • Pagina 47

    47 2) Fiv e minutes after a freez e cycle star ts, confirm that the ther mometer reads 104°F to 115°F (40°C to 46°C). If it does not, rotate the adjustment screw b y using a flat blade screwdriv er until the temperature is in the proper r ange. See Fig. 1. Ne xt, check that the ref erence pressure is in the range indicated in the Head Pressur[...]

  • Pagina 48

    48 10) Replace the panels in their correct positions. 11) T ur n on the power supply . K. Remov al and Replacement of Thermistor IMPOR T ANT 1. F ragile , handle v er y carefully . 2. Alwa ys use a recommended sealant (High Ther mal Conductiv e T ype), Model KE4560R TV manuf actured by SHINETSU SILICONE, P ar t Code 60Y000-11, or P ar t Code 4A0683[...]

  • Pagina 49

    49 L. Remov al and Replacement of Fan Motor Note: When replacing a fan motor with def ective winding, it is recommended that a ne w capacitor be installed. 1) T ur n off the power supply . 2) Remov e the panels. 3) Remov e the junction box co ver from the remote condenser unit (remote air-cooled model). 4) Remov e the closed end connectors from the[...]

  • Pagina 50

    50 7) Remov e the closed end connectors from the pump motor leads. 8) Remov e the screw attaching the pump motor assemb ly to the base, then remo ve the pump motor assembly . 9) Remov e the screw attaching the pump motor to the pump motor brac ket. 10) Remov e the screws attaching the pump housing to the pump motor . Remov e the housing and check t[...]

  • Pagina 51

    51 VI. Cleaning and Maintenance Instructions IMPOR T ANT Ensure all components, f asteners and thumbscrews are securely in place after any maintenance or cleaning is done to the equipment. A. Cleaning and Sanitizing Procedures W ARNING 1. HOSHIZAKI recommends cleaning this unit at least once a year . More frequent cleaning, how e v er , ma y be req[...]

  • Pagina 52

    52 1. Cleaning Procedure 1) Dilute appro ximately 16 fl. oz. of the recommended cleaner Hoshizaki "Scale A wa y" or "LIME-A-W A Y" (Economics Laborator y , Inc.) with 3 gal. of water . 2) Remov e all ice from the ev aporator and the storage bin. Note: T o remov e cubes on the e v aporator , tur n off the power supply and turn i[...]

  • Pagina 53

    53 20) Remov e the front panel, and fully open the cleaning valv e. 21) Mov e the control switch to the "W ASH" position. 22) Replace the front panel in its correct position. 23) T ur n on the power supply to rinse off the cleaning solution. 24) T ur n off the power supply after 5 min utes. 25) Remov e the front panel. 26) Remov e one end[...]

  • Pagina 54

    54 2. Storage Bin and Scoop • W ash y our hands bef ore remo ving ice. Use the plastic scoop provided (Accessory). • The storage bin is f or ice use only . Do not store anything else in the bin. • K eep the scoop clean. Clean it by using a neutr al cleaner and rinse thoroughly . • Clean the bin liner by using a neutr al cleaner . Rinse thor[...]

  • Pagina 55

    55 2. Remov e the water from the potab le water supply line: 1) Remov e the front panel (except w ater-cooled model). 2) Mov e the control switch on the control bo x to the "OFF" position. 3) W ait 3 minutes . 4) Close the potable w ater supply line shut-off valv e and open the potable water supply line drain v alve . 5) Allow the line to[...]