Gebruiksaanwijzing /service van het product KM-2500SRH3 van de fabrikant Hoshizaki
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Hoshizaki “A Superior Degr ee of Reliability” www .hoshizaki.com Models KM-2500SWH3 KM-2500SRH3 Stackable Crescent Cuber Hoshizaki America, Inc. Number: 73164 Issued: 6-10-2010 S E RV I C E M A N .
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 IMPOR T ANT This manual should be r ead car efull y bef ore the icemak er is ser viced or maintenance oper ations ar e perf or med. Only quali ed ser vice technicians should install, service, and maint ain the icemak er . Read the w ar nings contained in this booklet carefull y as they giv e impor tant inf or mation reg arding saf et y .
4 D . Bin Contr ol .................................................................................................................. 22 E. Float Switch ..................................................................................................
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-250 0SWH3 (w ater -cooled) Note: We r eser v e the r ight t o make changes in specications and design without prior notice.
7 2. KM-250 0SRH3 (remote 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 17.7 A ( 5 Min. Freeze AT 104°F / WT 80°F) MINIMUM CIRCUIT AMPACITY 30 A MAXIMUM FUSE SIZE 30 A APPROXIMATE ICE PRODUCTION Ambient WATER TEMP.
8 B. Condenser Unit 1 . URC-23F Note: We r eser v e the r ight t o make changes in specications and design without prior notice. Unit: mm (inches).
9 SPECIFIC A TIONS MODEL: URC-23F AC SUPPLY VOLTAGE 115/60/1 (Connection to Icemaker) FAN MOTOR 115 V Total 2.6FLA 130W EXTERIOR DIMENSIONS (WxDxH) 46-3/8" x 15-11/16" x 25-15/16" (1178.
1 0 II. General Inf ormation A. Construction 1 . KM-250 0SWH3 (w ater -cooled) Main T ransformer Bo x Evapor ator Assembly Spra y T ubes Inlet W ater V alv e W at er Supply Inlet Hot Gas V alve Juncti.
1 1 2. KM-250 0SRH3 (remote air -cooled) Evapor ator Assembly Spra y T ubes Inlet W ater V alv e W at er Supply Inlet Hot Gas V alve Junction Bo xes Receiv er T ank Ser vice V alv es Contr ol Bo x Liq.
1 2 B. Sequence of Operation 1 . Sequence Cy c les and Shutdo wn The steps in the sequence ar e as outlined below . When pow er is supplied and BC is closed, CB red "PO WER OK" LED comes on. Ther e is a 5-second dela y befor e star tup. Note that the or der of the LEDs from the out er edge of CB is 1, 4, 3, 2.
1 3 e) Harvest Cy cle Same as the initial harvest cy cle. See "II.B.1 .b) Initial Har v est C y cle ." Note: Unit continues t o cy cle until BC is satis ed or power is turned of f . The unit alw a ys rest ar ts at the 1 -minute ll cy cle.
1 4 2. Sequence Flow Chart "E" Contr ol Boar d Sequence Flo w Char t KM-250 0SWH3, KM-250 0SRH3 Startup begins here af ter 5-sec. delay 4. Pump-Out Cyc le • F actor y set f or e v ery cycle (S4 dip s witch 5 & 6) • P ump motor st ops for 2 sec.
1 5 C. Control Boar d • A Hoshizaki e x clusive contr ol board is emplo yed in KM-2500SWH3 and KM-2500SRH3 Stac k ab le Cr escent Cuber s. • All models are pr etest ed and f actor y -adjusted. • F or a contr ol boar d chec k pr ocedur e, see "IV .
1 6 "E" Contr ol Boar d 1 . Contr ol Boar d Lay out "E" Control Boar d P ar t Number 2A1 41 0-0 1 (f act or y); 2A1 41 0-02 (ser vice) • "OUTPUT TEST" But ton (used to .
1 7 2. Feat ures a) Maximum W ater Supply P er iod – 6 minutes The inlet wat er val v e remains energiz ed dur ing har v est f or 6 minutes or the length of har v est whiche ver is shor t er .
1 8 3. LED Lights and Audib le Alarm Saf eties 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.
1 9 4. 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.
20 c) Pump-Out Timer (S4 dip switch 3 & 4) When a pump-out is called f or , the pump motor st ops af t er the pr eceding freez e cycle . The pump motor ener gizes 2 seconds lat er in the r e v ers.
21 e) Bin Control Select or (S4 dip s witch 7) S4 dip s witch 7 is the bin contr ol select or . C A UTION Do not adjust. This dip switch must be lef t in the fact or y default position or this unit will not operat e corr ectl y . F actory set for pr oper operation.
22 D . Bin Contr ol C A UTION When the ambient t emperature is belo w 45°F (7°C), the ther mostatic bin control s witch opens and shuts down the icemak er ev en if the ice storage bin is empty . W hen the ther mostat is set in the pr ohibited range , the icemaker operat es continuousl y ev en if the ice storage bin is lled with ice.
23 III. T echnical Inf or mation A. W at er Cir cuit and R efr igeration Cir cuit 1 . KM-250 0SWH3 (w ater -cooled) W at er Supply Cleaning V alve Float Switch Drain Check V alv e Expansion V alves Co.
24 2. KM-250 0SRH3 (remote air -cooled) W at er Supply Cleaning V alve Float Switch Drain Check V alv e Expansion V alves Compr essor Hot Gas V alv e Check V alv es High-P ressure Switch Strainer Drie.
25 B. Wir ing Diagr ams 1 . KM-250 0SWH3 (w ater -cooled), KM-250 0SRH3 (remot e air -cooled) * High Pr essure S witch W ater -Cooled Model R emote 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.
26 C. P erf ormance Data 1 . KM-250 0SWH3 (w ater -cooled) Note: 1 . P r essur e data is r ecor ded at 5 minut es into fr eezing 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.
27 2. KM-250 0SRH3 (remote air -cooled) Note: 1 . P r essur e data is r ecor ded at 5 minut es into fr eezing 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.
28 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 .
29 4) Initial Harvest Cy c le – LEDs 1, 4, and 2 are on. WV remains ener giz ed. Comp , FMR, and HGV energiz e. WV is ener gized during har vest f or a maximum of six minut es or the length of har v est which e ver is shor t er . LED 4 goes off when WV de-energizes .
30 6) Pump-Out Cy cle (1 0/20 second pump out) – LEDs 1, 3, and 2 are on. LED 4 is on when S4 dip s witch 3 & 4 ar e set t o 3 of f and 4 on. Comp and FMR r emain energized, HGV energiz es. WV ener gizes if S4 dip s witch 3 off & 4 on. LL V de-ener gizes .
31 B. Control Boar d Check Bef or e r eplacing a contr ol boar d that does not show a visib le defect and that y ou suspect is bad, alw ay s conduct the follo wing chec k pr ocedur e.
32 C. Bin Control Chec k T o check the thermostatic bin control, f ollow the st eps below . C A UTION When the ambient t emperature is belo w 45°F (7°C), the bin control ther mostat operat es t o st op the icemak er e ven if the ice st orage bin is empty .
33 8) Reconnect the b lack oat switch connect or , then replace the contr ol bo x co v er in its correct position. 9) Mov e the control s witch to the "ICE" position. Replace the insulation panel and the front panel in their corr ect positions, then tur n on the po wer suppl y .
34 7) Wipe do wn the oat switch assemb l y's housing , shaf t, oat, and r etainer r od with a mixture of 1 part Hoshizaki "Scale A wa y" and 25 par ts war m wat er . Clean the inside of the rubber boot and hose with the cleaning solution.
35 F . Diagnostic Charts 1 . No Ice P r oduction Pr oblem P ossible Cause Remed y [1] The icemaker will not star t. a) P o wer Suppl y 1 . Of f, b lown fuse , or tripped break er . 1 . T ur n on, r eplace, or r eset. 2. Loose connection. 2. Tight en. 3.
36 Pr oblem P ossible Cause Remed y [1] The icemaker will not star t. (continued) h) Control T ransf or mer 1 . Coil winding open or shor ted. 1 . Replace. i) Wiring to C ontrol Board 1 . Loose connections or open. 1 . Chec k f or continuity and replace .
37 Pr oblem P ossible Cause Remed y [3] Compressor will not star t or st ops operating . (continued) c) Internal Overload P rot ect or Open (check 1 through 3 t o the r ight and d through f belo w) 1 . Loose t erminal. 1 . Tight en or replace. 2. V oltage.
38 Pr oblem P ossible Cause Remed y [7] F an mot or will not star t, or is not operating (e xcept wat er -cooled model). (continued) b) Control Boar d 1 . Def ective. 1 . See "IV .B. Contr ol Board Check." [8] All components run, but no ice is produced.
39 Pr oblem P ossible Cause Remed y [1] F reez e cy cle time is too long . (continued) h) Expansion V alv e 1 . Bulb loose. 1 . Secure bulb . 2. Operating erraticall y . 2. Check and r eplace . i) Contr ol Boar d 1 . Def ectiv e. 1 . See "IV .B. Contr ol Boar d Check.
40 Pr oblem P ossible Cause Remed y [3] Other . a) Ice Cube Guide 1 . Out of position. 1 . Place in position. b) Bin Contr ol Ther mostat 1 . Bulb out of position. 1 . Place in position. 2. Bad contacts . 2. Check f or continuit y and replace . 3. Low Ice P r oduction Pr oblem P ossible Cause Remed y [1] F r eeze c ycle time is long.
41 Pr oblem P ossible Cause Remed y [2] Har vest c y cle time is long. a) Wat er Supply 1 . W ater t emperatur e t oo cold. 1 . Incr ease temper atur e. b) Ther mistor 1 . Out of position or def ectiv e. 1 . R eat tatch and secure. See "IV .E. Ther mistor Chec k.
42 [2] Cloudy or irregular cubes. a) Evapor at or 1 . F rozen up . 1 . See "IV .F .2. Evaporat or is F rozen Up ." 2. Scaled up . 2. Clean 3. D amaged. 3. Replace . b) W ater Sy stem 1 . W ater suppl y line too small; requir es 1/2" nominal line dedicated per machine.
43 V . R emov al and R eplacement of Components 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. 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 .
44 2. Brazing W ARNING 1 . R-404A itself is not ammab le at atmospheric pressur e and temperatur es up to 1 7 6°F (80°C). 2. R-404A itself is not explosiv e or poisonous.
45 4) Close the low -side val v e and high-side val v e on the g auge 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 .
46 1 0) R emov e the dr ier , then place the ne w drier in position. 1 1) Remov e the plugs from the suction, dischar ge , and process pipes . 1 2) Braze all t tings while purging with nitr ogen g as owing at a pressur e of 3 to 4 PSIG. 1 3) Use an electronic leak det ect or or soap b ubb les to chec k f or leaks.
47 9) Ev acuat e the s y st em, and charge it with r efr igerant. F or w ater -cooled model, see the nameplate f or the requir ed refrigerant charge . F or remot e air -cooled model, see the rating label inside the icemak er . 1 0) At tach the e xpansion v alv e b ulb t o the suction line in the same location as the pr e vious bulb .
48 1 2) Connect the ne w solenoid leads. 1 3) At tach the solenoid t o the val v e body and secur e it with the bolt. 1 4) Replace the panels in their corr ect positions . 1 5) T ur n on the pow er suppl y . E. Remo val and R eplacement of Evapor at or C A UTION 1 .
49 F . R emo val and R eplacement of W ater -Cooled Condenser C A UTION 1 . Alw ay s install a ne w dr ier e ver y time the sealed r efrigeration s y st em is opened. 2. Do not replace the drier until af t er all other r epair or r eplacement has been made.
50 G. Remo val and R eplacement of Remot e Air-Cooled Condenser C A UTION 1 . Alw ay s install a ne w dr ier e ver y time the sealed r efrigeration s y st em is opened. 2. Do not replace the drier until af t er all other r epair or r eplacement has been made.
51 H. Remo val and R eplacement of W ater R egulating V alve (w ater -cooled model) C A UTION 1 . Alw ay s install a ne w dr ier e ver y time the sealed r efrigeration s y st em is opened. 2. Do not replace the drier until af t er all other r epair or r eplacement has been made.
52 1 8) Check f or water leaks . 1 9) Replace the panels in their corr ect positions . 20) T ur n on the power suppl y . I. A djustment of W ater R egulating V alve - W ater -Cooled Model The wat er regulating v al v e (also called "w at er r egulat or") is f act or y -adjusted.
53 8) Braz e all t tings with nitrogen gas owing at a pr essure of 3 to 4 PSIG. 9) Use an electronic leak det ector or soap b ubb les to chec k f or leaks. A dd a trace of refrigerant t o the sy st em (if using an electronic leak det ector), and then raise the pressur e using nitrogen g as (1 40 PSIG).
54 1 0) Secur e the insulation using the plastic cab le ties. 1 1) Connect the white thermistor connect or thr ough the b ushing of the contr ol bo x to the control boar d WHI TE K3 connect or . C A UTION! Do not shor ten or cut the ther mist or leads.
55 9) Close the icemaker w ater suppl y line drain v alv e . Open the icemaker wat er supply line shut-of f val ve. 1 0) T ur n on the power suppl y . 1 1) Check f or leaks . 1 2) Replace the fr ont panel in its corr ect position. N. Remo val and R eplacement of Pump Mot or 1) T ur n of f the po wer suppl y .
56 O . Remo val and R eplacement of Contr ol Board C A UTION 1 . The control boar d is fragile; handle very carefull y . 2. The control board cont ains int egr at ed cir cuits, which ar e susceptible t o f ailure due to st atic dischar ge .
57 VI. Cleaning and Maintenance IMPOR T ANT Ensure all components , fast eners, and thumbscr ews ar e secur el y in place af ter any cleaning or maint enance is done to the equipment. A. Cleaning and Sanitizing Instructions W ARNING 1 . Hoshizaki recommends cleaning this icemak er at least once a year .
58 1 . Cleaning P r ocedur e 1) Dilute 38 . oz. (1,1 24 ml) of r ecommended cleaner Hoshizaki "Scale A wa y" with 7 gal. (26 l) of warm wat 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.
59 1 8) Replace the fr ont panel in its corr ect position. 1 9) T ur n on the pow er suppl y t o ll the wat er tank with wat er . 20) T ur n of f the po wer suppl y aft er 3 minutes . 21) Remo ve the fr ont panel and full y open the cleaning v al v e.
60 B. Maintenance IMPOR T ANT This icemaker m ust be maintained individuall y , ref erring to the instruction manual and labels pr o vided with the icemak er . 1 . Stainless St eel Exter ior T o pre vent corr osion, wipe the e xterior occasionally with a clean, sof t cloth.
61 2. Drain the w at er tank: 1) T ur n of f the po wer suppl y , then r emov e the front panel. Mov e the control s witch t o the "OFF" position. 2) Remo ve the insulation panel. Remo v e the cap locat ed on the fr ont bot tom par t of the ice dropping hole .
Een belangrijk punt na aankoop van elk apparaat Hoshizaki KM-2500SRH3 (of zelfs voordat je het koopt) is om de handleiding te lezen. Dit moeten wij doen vanwege een paar simpele redenen:
Als u nog geen Hoshizaki KM-2500SRH3 heb gekocht dan nu is een goed moment om kennis te maken met de basisgegevens van het product. Eerst kijk dan naar de eerste pagina\'s van de handleiding, die je hierboven vindt. Je moet daar de belangrijkste technische gegevens Hoshizaki KM-2500SRH3 vinden. Op dit manier kan je controleren of het apparaat aan jouw behoeften voldoet. Op de volgende pagina's van de handleiding Hoshizaki KM-2500SRH3 leer je over alle kenmerken van het product en krijg je informatie over de werking. De informatie die je over Hoshizaki KM-2500SRH3 krijgt, zal je zeker helpen om een besluit over de aankoop te nemen.
In een situatie waarin je al een beziter van Hoshizaki KM-2500SRH3 bent, maar toch heb je de instructies niet gelezen, moet je het doen voor de hierboven beschreven redenen. Je zult dan weten of je goed de alle beschikbare functies heb gebruikt, en of je fouten heb gemaakt die het leven van de Hoshizaki KM-2500SRH3 kunnen verkorten.
Maar de belangrijkste taak van de handleiding is om de gebruiker bij het oplossen van problemen te helpen met Hoshizaki KM-2500SRH3 . Bijna altijd, zal je daar het vinden Troubleshooting met de meest voorkomende storingen en defecten #MANUAl# samen met de instructies over hun opplosinge. Zelfs als je zelf niet kan om het probleem op te lossen, zal de instructie je de weg wijzen naar verdere andere procedure, bijv. door contact met de klantenservice of het dichtstbijzijnde servicecentrum.
