Manuale d’uso / di manutenzione del prodotto KM-1601SRH/3 del fabbricante Hoshizaki
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Hoshizaki “A Superior Degr ee of Reliability” www .hoshizaki.com Models KM-1601SAH/3 KM-1601SWH/3 KM-1601SRH/3 Stackable Crescent Cuber Hoshizaki America, Inc.
2 IMPOR T ANT Only quali ed ser vice technicians should inst all, ser vice , and maintain the icemaker . No ser vice or maint enance should be under tak en until the t echnician has thoroughl y read this Ser vice Manual.
3 CONTENTS Impor tant Saf et y Inf or mation ................................................................................................. 5 I. Specications .......................................................................................
4 B. W iring Diagr ams .......................................................................................................... 40 1 . KM-1 60 1SAH (air -cooled)....................................................................................... 40 2.
5 Impor tant Safety Inf ormation Throughout this man ual, notices appear t o bring your at tention t o situations which could result in death, serious injur y , or damage to the unit. W ARNING Indicates a hazar dous situation which could r esult in death or serious injury .
6 I. Specications A. Icemaker 1 . KM-1 60 1SAH (air -cooled) Note: We r eser v e the r ight t o make changes in specications and design without prior notice.
7 2. KM-1 60 1SAH3 (air -cooled) Note: We r eser v e the r ight t o make changes in specications and design without prior notice. AC SUPPLY VOLTAGE 208-230/60/3 AMPERAGE 12.0 A ( 5 Min. Freeze AT 104°F / W T 80°F) MINIMUM CIRCUIT AMPACIT Y 20 A MAXIMUM FUSE SIZE 20 A APPROXIMAT E ICE PRODUCTIO N Ambient W AT ER TEMP.
8 Note: We r eser v e the r ight t o make changes in specications and design without prior notice. 3. KM-1 60 1SWH (w ater -cooled) AC SUPPLY VOLTAGE 208-230/60/1 (3 wire with neutral for 115V) AMPERAGE 13.4 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.
9 AC SUPPLY VOLTAGE 208-230/60/3 AMPERAGE 9.0 A ( 5 Min. Freeze AT 104°F / W T 80°F) MINIMUM CIRCUIT AMPACIT Y 20 A MAXIMUM FUSE SIZE 20 A APPROXIMAT E ICE PRODUCTIO N Ambient W AT ER TEMP.
10 5. KM-1 60 1SRH with URC-21F (r emote air-cooled) (auxiliary codes: R-0; R-1; some S-1) This data applies t o units with an 8 l/min w at er v al v e . The 8 l/min water v alv e is par t number 3U0 1 1 1 -02 and has J248-032 stamped on the side of the v alv e f acing the rear of the unit.
11 AC SUPPLY VOLTAGE 208-230/60/1 (3 wire with neutral for 115V) AMPERAGE 12.8 A ( 5 Min. Freeze AT 104°F / W T 80°F) MINIMUM CIRCUIT AMPACIT Y 20 A MAXIMUM FUSE SIZE 20 A APPROXIMAT E ICE PRODUCTIO N Ambient W AT ER TEMP. (°F) PER 24 HR. Tem p.(°F) 50 70 90 lbs.
12 7 . KM-1 60 1SRH with URC-22F (r emote air -cooled) (auxiliar y codes: S-2 and later) This data applies t o units with an 1 1 l/min wat er v al v e . The 1 1 l/min wat er v al v e is either par t number 4A1 1 7 6-04 or 4A5251 -04 and has the par t number stamped on the side of the v al v e f acing the front of the unit.
13 8. KM-1 60 1SRH3 with URC-21F (r emote air -cooled) (auxiliar y codes: R-0; R-1; some S-1) This data applies t o units with an 8 l/min w at er v al v e . The 8 l/min water v alv e is par t number 3U0 1 1 1 -02 and has J248-032 stamped on the side of the v alv e f acing the rear of the unit.
14 AC SUPPLY VOLTAGE 208-230/60/3 AMPERAGE 7.9 A ( 5 Min. Freeze AT 104°F / W T 80°F) MINIMUM CIRCUIT AMPACIT Y 20 A MAXIMUM FUSE SIZE 20 A APPROXIMAT E ICE PRODUCTIO N Ambient W AT ER TEMP.
15 1 0. KM-1 60 1SRH3 with URC-22F (remote air -cooled) (auxiliar y codes: S-2 and later) This data applies t o units with an 1 1 l/min wat er v al v e . The 1 1 l/min wat er v al v e is either par t number 4A1 1 7 6-04 or 4A5251 -04 and has the par t number stamped on the side of the v al v e f acing the front of the unit.
16 B. Condenser Unit 1 . URC-21F Note: We r eser v e the r ight t o make changes in specications and design without prior notice. AC SUPPLY VOLTAGE 115/60/1 (Connection to Icemaker) FAN MOTOR 115 V Total 2.
17 2. URC-22F Note: We r eser v e the r ight t o make changes in specications and design without prior notice. AC SUPPLY VOLTAGE 115/60/1 (Connection to Icemaker) FAN MOTOR 115 V Total 2.
18 II. General Inf ormation A. Construction 1 . KM-1 60 1SAH/3 (air -cooled) Ev aporat or Assembl y Spra y T ubes Inlet W ater V alv e (WV) W ater Supply Inlet Hot Gas V alv e (HGV) Junction Bo x Air .
19 2. KM-1 60 1SWH/3 (w ater -cooled) Ev aporat or Assembl y Spra y T ubes W ater Supply Inlet Junction Bo x W ater -Cooled Condenser Check V alv es Contr ol Bo x W ater Regulating V alv e (WR V) Drie.
20 3. KM-1 60 1SRH/3 (r emote air -cooled) Ev aporat or Assembl y Spra y T ubes W ater Supply Inlet Junction Bo xes Receiv er Check V alv es Contr ol Bo x Drier Capacit or Box (KM-1 60 1SRH) T ransf o.
21 B. Sequence of Operation 1 . Sequence Cy c les and Shutdo wn a) KM-1 60 1SAH/3 "G" Contr ol Boar d IMPOR T ANT KM-1 60 1SAH/3 utiliz e a "G" contr ol boar d and TBC . F or KM-1 60 1SAH/3 operation, the K4 jumper (4A4883G0 1) must be in place on the contr ol board RED K4 connector or the unit will not oper at e .
22 continues until F/S opens and t erminates the cy cle. Ther e is a 1 5 second delay bef ore CB ackno wledges an open F/S. (4) P ump-Out C ycle LEDs 1, 3, and 2 ar e on. LED 4 is on when S4 dip s witch 3 & 4 are set t o 3 of f and 4 on. F or details , see "II.
23 b) KM-1 60 1SWH/3 and KM-1 60 1SRH/3 "E" Control Boar d IMPOR T ANT KM-1 60 1SWH/3 and KM-1 60 1SRH/3 utilize an "E" contr ol board and TBC . The steps in the sequence ar e as outlined below . When pow er is supplied, CB r ed "PO WER OK" LED turns on.
24 (5) Harvest C ycle Same as the initial harvest cy cle. See "II.B.1 .b)(2) Initial Harvest C ycle ." Note: Unit continues t o cy cle until TBC is satis ed or power is turned of f . The unit alw a ys rest ar ts at the 1 -minute ll cy cle.
25 2. Sequence Flow Chart a) KM-1 60 1SAH/3 "G" Contr ol Boar d F/S check 1 to 3-min. timer in control (S4 dip switch 1 & 2) "G" Contr ol Boar d Sequence Flow Chart 1 . 1 -Minute F ill Cycl e Cyc le Steps 2. Harvest Cy cle • WVtime: 6min.
26 F/S check 1 to 3-min. timer in control (S4 dip switch 1 & 2) "E" Contr ol Boar d Sequence Flow Chart 1 . 1 -Minute F ill Cycl e Cyc le Steps 2. Harvest Cy cle • WVtime: 6min. orthelengthofharvest,whiche ver is shor ter .
27 C. Control Boar d • A Hoshizaki e x clusive contr ol board is emplo yed in Hoshizaki Stac kab le Cr escent Cubers . • All models are pr etest ed and f actor y set. • F or a contr ol boar d chec k pr ocedur e, see "IV .B . Contr ol Boar d Chec k.
28 1 . Contr ol Boar d Lay out a) KM-1 60 1SAH/3 "G" Contr ol Boar d "G" Control Boar d P ar t Number 2A3792-0 1 "G" Contr ol Boar d • "ALARM RESET" But ton .
29 • "ALARM RESET" But ton • "OUTPUT TEST" But ton (used to t est r ela ys on contr ol board) • WHITE K3 Connector Har v est Contr ol (thermistor) • RED K4 Connector Mechan.
30 2. LED Lights and Audib le Alarm Saf eties a) KM-1 60 1SAH/3 "G" Contr ol Boar d At star tup , a 5-second delay occur s while the control boar d conducts an int er nal timer check. A beep occurs when the contr ol switch is mo ved t o the "ICE" position.
31 b) KM-1 60 1SWH/3 and KM-1 60 1SRH/3 "E" Control Boar d At star tup , a 5-second delay occur s while the control boar d conducts an int er nal timer check. A beep occurs when po wer is tur ned of f. The red LED indicat es proper contr ol v oltage and r emains on unless a control v oltage pr oblem occur s.
32 3. Controls and Adjustments C A UTION Dip s witches ar e f actor y set. F ailure t o maintain f actory set tings ma y adver sel y af fect perf or mance and warr anty cov erage . F or mor e inf ormation, contact Hoshizaki T echnical Suppor t at 1 -800-233-1 940.
33 b) Harvest Timer (S4 dip switch 1 & 2) The har v est timer star ts when the thermistor r eads 48°F (9°C) at the e vaporat or outlet and the control boar d reads the thermistor's 3.9 kΩ signal. The har vest timer is f actor y set, and generall y no adjustment is r equir ed.
34 d) Pump-Out F requenc y Control (S4 dip switch 5 & 6) The pump-out frequenc y contr ol is f actor y set t o drain the w ater tank e very 1 0 cycles (e x cept f or KM-1 60 1SRH/3 utilizing 3U0 1 1 1 -02 water v alv e), and generally no adjustment is requir ed.
35 (2) Bin Control Select or , KM-160 1SWH/3 & KM-1 60 1SRH/3 "E" Control Boar d F actory set for pr oper operation. Do not adjust. W hen set t o the on position on a unit with a ther mostatic bin contr ol, a 5-beep alar m sounds (open circuit) and the unit does not operat e .
36 D . Contr ol Switch The control s witch has three positions: "OFF" for po wer of f, "ICE" f or icemaking, and "W ASH" t o activat e the wat er pump when cleaning and sanitizing.
37 III. T echnical Infor mation A. W at er Cir cuit and R efr igeration Cir cuit 1 . KM-1 60 1SAH/3 (air -cooled) W at er Supply Cleaning V alv e Float Switch Drain P ump-Out Check V alv e Thermostati.
38 2. KM-1 60 1SWH/3 (w ater -cooled) W at er Supply Cleaning V alv e Float Switch Drain Thermostatic Expansion V alves Compr essor Hot Gas Va l v e Check V alv es High-P ressure Switch Strainer Drier.
39 High-Side V apor Ser vice Va l v e Low -Side Ser vice Va l v e 3. KM-1 60 1SRH/3 (r emote air -cooled) W at er Supply Cleaning V alv e Float Switch Drain Thermostatic Expansion V alves Compr essor .
40 B. W iring Diagr ams 1 . KM-1 60 1SAH (air -cooled) T ransformer Output 1 0.5V at 1 15V * * High-Pr essure Switc h Cut-Out 41 2± 21 PSIG Cut-In 327±21 PSIG 0.
41 2. KM-1 60 1SAH3 (air -cooled) T ransformer Output 1 0.5V at 1 15V * * High-Pr essure Switc h Cut-Out 41 2± 21 PSIG Cut-In 327±21 PSIG 0.
42 3. KM-1 60 1SWH (w ater -cooled), KM-1 60 1SRH (remot e air -cooled) * High-Pr essure Switc h W ater-Cooled Model Remot e Model Cut-Out 384± 21 PSIG 41 2± 21 PSIG Cut-In 284±21 PSIG 327±21 PSIG 0 0 * T ransformer Output 1 0.
43 4. KM-1 60 1SWH3 (w ater -cooled), KM-1 60 1SRH3 (remot e air -cooled) T ransformer Output 1 0.5V at 1 15V * * High-Pr essure Switc h W ater-Cooled Model Remot e Model Cut-Out 384± 21 PSIG 41 2± .
44 C. P erf ormance Data 1 . KM-1 60 1SAH (air -cooled) Note: 1 . P ressur e data is recor ded at 5 minutes int o freezing cy cle. The data not in bold should be used f or r ef erence onl y . 2. W e r eserve the right to mak e changes in specications and design without prior notice.
45 2. KM-1 60 1SAH3 (air -cooled) Note: 1 . P ressur e data is recor ded at 5 minutes int o freezing cy cle. The data not in bold should be used f or r ef erence onl y . 2. W e r eserve the right to mak e changes in specications and design without prior notice.
46 3. KM-1 60 1SWH (w ater -cooled) Note: 1 . P ressur e data is recor ded at 5 minutes int o freezing cy cle. The data not in bold should be used f or r ef erence onl y . 2. W e r eserve the right to mak e changes in specications and design without prior notice.
47 Note: 1 . P ressur e data is recor ded at 5 minutes int o freezing cy cle. The data not in bold should be used f or r ef erence onl y . 2. W e r eserve the right to mak e changes in specications and design without prior notice.
48 5. KM-1 60 1SRH with URC-21F (r emote air-cooled) (auxiliary codes: R-0; R-1; some S-1) This data applies t o units with an 8 l/min w at er v al v e . The 8 l/min water v alv e is par t number 3U0 1 1 1 -02 and has J248-032 stamped on the side of the v alv e f acing the rear of the unit.
49 6. KM-1 60 1SRH with URC-21F (r emote air -cooled) (auxiliar y codes: some S-1; S-2 and later) This data applies t o units with a 1 5 l/min or 1 1 l/min wat er val ve. The 1 5 l/min wat er v al v e is par t number 3U0 1 1 1 -0 1 and has J248-030 stamped on the side of the v al v e f acing the rear of the unit.
50 7 . KM-1 60 1SRH with URC-22F (r emote air -cooled) (auxiliar y codes: S-2 and later) This data applies t o units with an 1 1 l/min wat er v al v e . The 1 1 l/min wat er v al v e is either par t number 4A1 1 7 6-04 or 4A5251 -04 and has the par t number stamped on the side of the v al v e f acing the front of the unit.
51 8. KM-1 60 1SRH3 with URC-21F (r emote air -cooled) (auxiliar y codes: R-0; R-1; some S-1) This data applies t o units with an 8 l/min w at er v al v e . The 8 l/min water v alv e is par t number 3U0 1 1 1 -02 and has J248-032 stamped on the side of the v alv e f acing the rear of the unit.
52 9. KM-1 60 1SRH3 with URC-21F (r emote air -cooled) (auxiliar y codes: some S-1; S-2 and later) This data applies t o units with a 1 5 l/min or 1 1 l/min wat er val ve. The 1 5 l/min wat er v al v e is par t number 3U0 1 1 1 -0 1 and has J248-030 stamped on the side of the v al v e f acing the rear of the unit.
53 1 0. KM-1 60 1SRH3 with URC-22F (remote air -cooled) (auxiliar y codes: S-2 and later) This data applies t o units with an 1 1 l/min wat er v al v e . The 1 1 l/min wat er v al v e is either par t number 4A1 1 7 6-04 or 4A5251 -04 and has the par t number stamped on the side of the v al v e f acing the front of the unit.
54 IV . Service Diagnosis W ARNING 1 . This unit should be diagnosed and repair ed only b y quali ed ser vice personnel t o reduce the risk of death, electr ic shoc k, serious injur y , or re . 2. Risk of electr ic shock. Use e xtreme caution and e x ercise saf e electr ical practices .
55 4) Initial Harvest Cy c le – LEDs 1, 4, and 2 are on. WV and X1 1 rela y (KM-1 60 1SAH/3) remain ener gized, Comp , FM/FMR, HGV , and X1 0 rela y (KM-1 60 1S AH/3) energize . CBmonitor s the war ming of the e vapor at or via the ther mist or locat ed on the suction line.
56 5) F r eeze Cyc le – LED 1 is on. Comp and FM/FMR remain ener gized, PM energiz es or , f or KM-1 60 1SAH/3, r emains energized. LL V ener gizes .
57 Diagnosis: KM-1 60 1SAH/3 "G" CB: If PM does not re ver se, chec k to see if S4 and S5 dip s witch set tings are in the f actory default position. If S4 dip s witch 3 and 4 ar e adjusted t o 3 of f and 4 on, WV and har v est pump timer rela ys ener gize.
58 B. Control Boar d Check Bef or e r eplacing CB that does not sho w a visib le def ect and that y ou suspect is bad, alw ay s conduct the follo wing chec k pr ocedur e. This procedur e will help you v erify your diagnosis. Alw a ys choose a whit e neutral wir e to estab lish a good neutral connection when checking v oltages.
59 C. Bin Control Chec k T o check TBC , follo w the st eps below . C A UTION When the ambient t emperature is belo w 45°F (7°C), TBC s witch opens and shuts down the icemak er ev en if the ice storage bin is empty . When TBC is set in the prohibit ed range, the icemak er operates continuousl y ev en if the ice stor age bin is lled with ice.
60 D . Float S witch Check and Cleaning F/S is used to det er mine that there is suf ficient w ater in the wat er tank af ter the 1 -minute ll c y cle and af ter each harvest cy cle. F/S is also used to determine that the appropriate v olume of wat er has been conv er t ed into ice bef ore s witching out of the freez e cy cle.
61 2. Float Switc h Cleaning Depending on local wat er conditions, scale ma y b uild up on F/S . Scale on the switch can cause the oat t o stic k. In this case, F/S should be cleaned. 1) T ur n of f the po wer suppl y . 2) Remo ve the fr ont panel, then mo v e the contr ol s witch to the "OFF" position.
62 E. Thermist or Check T o check thermistor resist ance , f ollow the steps belo w . 1) T ur n of f the po wer suppl y . 2) Remo ve the fr ont panel, then mo v e the contr ol s witch to the "OFF" position. 3) Remo ve the contr ol bo x cov er .
63 G. Diagnostic Charts Bef or e consulting the diagnostic char ts, chec k for corr ect installation, proper v oltage per unit nameplate , and adequate wat er supply .
64 No Ice Pr oduction - Possib le Cause 13 . Inlet W ater V alv e a) Mesh lter or orice clogged. b) Coil winding open. c) Open in freez e cy cle. 14 . Float Switch See "IV .D . Float S witch Check and Cleaning." a) Float does not mov e freely .
65 2. F reeze Up Defrost and clean the unit prior t o diagnosing fr eeze up . See "VI.A. Cleaning and Sanitizing Instructions." F reeze Up - P ossible Cause Harvest Cy cle 1. Evapor at or a) Scaled up . b) Damaged. 2. Separator s a) Out of position.
66 F reeze Up - P ossible Cause 7. Inlet W ater V alv e a) Leaking by . 8. Float Switch See "IV .D . Float S witch Check and Cleaning." a) Float does not mov e freely . b) Def ectiv e. 9. P ump Motor a) RPM too slow . b) Impeller damaged. 10 .
67 Low Ice P r oduction - P ossible Cause 6. Control Boar d See "IV .B. Control Boar d Check." a) Float s witch connection loose (K5). b) Def ectiv e. 7. Hot Gas V alv e a) Erratic or open. 8. Inlet W ater V alv e a) Leaking by . 9. Float Switch See "IV .
68 V . R eplacement of Components W ARNING 1 . This unit should be diagnosed and repair ed onl y b y quali ed ser vice personnel t o reduce the risk of death, electr ic shoc k, serious injur y , or re . 2. Mov e the contr ol s witch t o the "OFF" position and turn of f the pow er suppl y bef or e ser vicing .
69 2. Brazing W ARNING 1 . R-404A itself is not ammable at atmospheric pr essur e and t emperatur es up to 1 7 6°F (80°C). 2. R-404A itself is not explosiv e or poisonous.
70 4) Close the high and low -side val v es on the gauge manif old. 5) Disconnect the gauge manif old hose from the v acuum pump and at tach it t o a refrigerant service cylinder . Remember t o loosen the connection and purge the air from the hose . For air -cooled and wat er -cooled models, see the nameplat e for the requir ed refrigerant char ge.
71 B. Impor tant Not es f or Component R eplacement C A UTION When r eplacing a component listed belo w , see the notes t o help ensur e pr oper operation. Component Notes Compr essor Install a ne w start capacitor , r un capacit or , and star t rela y .
72 VI. Cleaning and Maintenance This icemaker m ust be cleaned and maintained in accor dance with the instr uction manual and labels pr o vided with the icemak er . Consult with your local distrib ut or about cleaning and maintenance service. T o obtain the name and phone number of your local distrib ut or , visit www .
73 1 . Cleaning P r ocedur e 1) Dilute 27 . oz. (800 ml) of Hoshizaki "Scale A wa y" with 5 gal. (1 9 l) of war m w at er . 2) Remo ve all ice fr om the e vaporat or and the storage bin. Note: T o r emov e cubes on the ev aporat or , tur n of f the power suppl y and tur n it back on af ter 3 minut es.
74 21) Remo ve the fr ont panel and full y open the cleaning v al v e. 22) Mov e the control s witch to the "W ASH" position. 23) Replace the fr ont panel in its correct position. 24) T ur n on the power suppl y to rinse of f the cleaning solution.
75 B. Maintenance This icemaker m ust be maintained individuall y , ref erring to the instruction manual and labels pro vided with the icemaker . W ARNING 1 . Only quali ed ser vice technicians should service this icemaker . 2. Mov e the contr ol s witch t o the "OFF" position and turn of f the pow er suppl y bef or e ser vicing .
76 4) Allow the line t o drain by gr a vity . 5) At tach a compressed air or carbon dio xide supply t o the icemaker wat er supply line drain v alv e . 6) Mov e the control s witch to the "ICE" position. 7) Replace the fr ont panel in its correct position, then turn on the power suppl y .
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Hoshizaki KM-1601SRH/3 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Hoshizaki KM-1601SRH/3 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Hoshizaki KM-1601SRH/3 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Hoshizaki KM-1601SRH/3 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Hoshizaki KM-1601SRH/3, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Hoshizaki KM-1601SRH/3.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Hoshizaki KM-1601SRH/3. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Hoshizaki KM-1601SRH/3 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
