Gebruiksaanwijzing /service van het product DCM-500BWH van de fabrikant Hoshizaki
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Hoshizaki “A Superior Degr ee of Reliability” www .hoshizaki.com Models DCM-500BAH DCM-500BAH-OS DCM-500BWH DCM-500BWH-OS Cubelet Icemaker / Dispenser Hoshizaki America, Inc.
2 IMPOR T ANT Only quali ed ser vice technicians should at t empt t o install, service, or maintain this icemaker . No ser vice or maint enance should be under tak en until the technician has thor oughly r ead 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 maintain the icemak er . Read the warnings contained in this booklet car efull y as the y giv e impor tant inf or mation reg arding saf ety .
4 E. P erformance Data ....................................................................................................... 34 1 . DCM-500BAH(-OS) ................................................................................................ 34 2.
5 I. Specications A. Icemaker 1 . DCM-50 0B AH 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 COMPRESSOR 120 V 7.9 RLA 51 LRA GEAR MOTOR 120 V 2.4 FLA 1/4 HP FAN MOTOR 120 V 1.
6 2. DCM-50 0BAH-OS 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 COMPRESSOR 120 V 7.9 RLA 51 LRA GEAR MOTOR 120 V 1.6 FLA 1/6 HP FAN MOTOR 120 V 0.6 FLA 30 W AGITATING MOTOR 120 V 0.
7 Note: We r eser v e the r ight t o make changes in specications and design without prior notice. 3. DCM-50 0BWH AC SUPPLY VOLTAGE 115/60/1 COMPRESSOR 120 V 7.9 RLA 51 LRA GEAR MOTOR 120 V 2.4 FLA 1/4 HP AGITATING MOTOR 120 V 0.9 FLA 55 W DISPENSING MOTOR 120 V 0.
8 4. DCM-50 0BWH-OS 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 COMPRESSOR 120 V 7.9 RLA 51 LRA GEAR MOTOR 120 V 1.6 FLA 1/6 HP AGITATING MOTOR 120 V 0.9 FLA 55 W DISPENSING MOTOR 120 V 0.
9 II. General Inf ormation A. Construction 1 . DCM-50 0B AH(-OS) Stor age Bin Inlet W at er V alv e Reservoir Contr ol Box Air -Cooled Condenser Spout Co v er Ev aporat or Assembl y Compr essor Dispen.
10 2. DCM-50 0BWH(-OS) Stor age Bin Inlet W at er V alv e Reservoir Contr ol Box W ater -Cooled Condenser Spout Co v er Ev aporat or Assembl y Compr essor Dispensing Motor Agit ating Mot or Agit at or.
11 B. Ice Making Unit 1 . DCM-50 0B AH(-OS), DCM-50 0BWH(-OS) Cubelet Cut ter Allen Head C ap Scr e w Gear Motor Spline Coupling O-Ring Mechanical-Seal Extruding Head and Upper Bearing He x Head Bolt .
12 C. Sequence of Operation The steps in the sequence ar e as outlined below . When pow er is supplied, the pow er s witch is in the "ON" position, the door s witch is engaged, and the contr ol s witch is in the "ICE" position, the "PO WER" LED on the contr ol boar d comes on.
13 Legend: BC - bin control Comp - compressor DC - drain cy cle DT - drain timer DV - drain v al ve FMS - self-contained f an motor FT - ll timer (low w at er saf ety) GM - gear motor GMPR - gear m.
14 D . Contr ol Board • A Hoshizaki e x clusive solid-st at e contr ol boar d is emplo yed in DCM-500BAH, DCM-500BAH-OS , DCM-500BWH, and DCM-500B WH-OS Cubelet Icemak er / Dispensers . • All models are pr etest ed and f actor y -adjusted. C A UTION 1 .
15 Micropr ocessor (boar d re vision lev el indicated b y last 2 digits on label) "POWER" LED (lights when power is supplied to the boar d) "FLUSH" LED (X5 Rela y) Drain V alve "COMP" LED (X2 Rela y) Compr essor , F an Motor 1 0.
16 Dispensing Components See "III.B. W iring Diagrams" f or details. Bin Contr ol, Contr ol S witch, Low W ater Saf et y Micropr ocessor (boar d re vision lev el indicated b y last 2 digits .
17 2. Feat ures The control boar d pro vides the f ollowing saf eguar ds: • P r ovides component pr otection during low wat er supply . • P urges r emaining ice in the e vaporat or at star tup and shutdown. •P r ovidesshor tcy cleprot ectionf orthecompressor .
18 3. Controls and Adjustments a) P or tion Control When the dispense mode s witch is placed in the "POR TION" position, a v ar iable r esistor (located on the contr ol board) contr ols the ice dispense time . The gures on the label indicat e dispensing time (sec.
19 3. 60 seconds af t er the "GM" LED comes on, the "COMP" LED comes on, and the compressor and f an motor st ar t. If the "COMP" LED does not come on 60 seconds af ter the gear mot or star ts , chec k that the gear mot or pr otect r elay cont acts (connect or K2 terminals 1 and 2) hav e closed.
20 E. Float S witch Depending on local wat er conditions, scale ma y b uild up on the oat switch. Scale on the s witch can cause the oats to stic k. In this case, the oat switch should be cleaned and check ed. F ir st, r emov e the switch fr om the wat er tank.
21 III. T echnical Infor mation A. W at er Cir cuit and R efr igeration Cir cuit 1 . DCM-50 0B AH(-OS) Inlet W at er Va l v e Dispensing W at er V alv e Drain Va l v e Float Switch W at er Le v el T o.
22 2. DCM-50 0BWH(-OS) Inlet W at er Va l v e Dispensing W at er V alv e Drain Va l v e Float Switch W at er Le v el T o Drain Evapor ator Spout Expansion Va l v e Gear Motor Over ow Reservoir W at.
23 * (Control Board) BK BLACK BR BROWN BU BLUE DBU DARK BLUE GY GRA Y LBU LIGHT BLUE O ORANGE P PINK R RED V VIOLET W WHITE Y YELLO W W/BK WHITE/BLACK W/BR WHITE/BRO WN W/BU WHITE/BLUE W/O WHITE/ORANGE W/R WHITE/RED WIRE COLOR CODE B. W iring Diagr ams 1 .
24 2. DCM-50 0BAH-OS, DCM-50 0BWH-OS BK BLACK BR BROWN BU BLUE DBU DARK BLUE GY GRA Y LBU LIGHT BLUE O ORANGE P PINK R RED V VIOLET W WHITE Y YELLO W W/BK WHITE/BLACK W/BR WHITE/BRO WN W/BU WHITE/BLUE.
25 C. Sequence of Electrical Cir cuit – Ice Making 1 . F ill Cyc le With the po wer s witch in the "ON" position and the contr ol s witch in the "ICE" position, the inlet wat er val v e energizes and the r eser voir lls with wat er until the upper oat s witch closes .
26 2. Ice Pur ge Cyc le Upper oat s witch closes, wat er control r ela y energizes , inlet w at er v al v e closes , gear motor st ar ts, gear mot or prot ect r ela y energizes .
27 3. F reeze Cyc le Compr essor and fan mot or star t 60 seconds af t er gear motor st ar ts. BK BLACK O ORANGE W/BK WHITE/BLACK BR BROWN P PINK W/BR WHITE/BRO WN BU BLUE R RED W/BU WHITE/BLUE DBU DA.
28 4. 1 2 Hour Dr ain Cyc le / Drain S witch 1 2 hour timer initiates cy cle or the control s witch is mov ed t o the "DRAIN" position. 90 seconds af ter initiation, the compr essor and condenser f an motor st op , 60 seconds later the gear mot or stops .
29 5. Shutdown The bin control s witch is activ at ed and a 1 50 second shutdown sequence begins. Af ter the bin control has been open f or 90 seconds, the compr essor and fan mot or st op , the agitating mot or operat es for 0.6 seconds , and 60 seconds later the gear motor st ops.
30 6. Low W ater Safety Upper oat s witch fails t o close within 90 seconds af t er the low er oat switch opens , the 1 50 second shutdown sequence begins.
31 7 . High Pr essur e S witch When the high pr essure s witch opens, the compressor st ops immediatel y , 60 seconds later the gear mot or stops . T o rest ar t, allow time f or the high pressur e s witch to close, then mov e the power s witch to the "OFF" position and then bac k t o the "ON" position.
32 D . Sequence of Electr ical Cir cuit – Dispensing 1 . Continuous Dispense Agit ating mot or ener giz es f or .6 seconds f or ev er y 1 2 seconds of accumulative dispense time. Maximum dispense time per dispense s witch activation is 60 seconds . Af t er 60 seconds, the dispense s witch must be diseng aged and eng aged again.
33 2. P ortion Dispense Agit ating mot or ener giz es f or .6 seconds f or ev er y 1 2 seconds of accumulative dispense time. A variab le r esist or which contr ols the amount of ice dispensed is locat ed on the control boar d. The gures on the label indicat e dispensing time (sec.
34 E. P erf ormance Data 1 . DCM-50 0B AH(-OS) Note: 1 . The data without *marks should be used f or r ef er ence onl y . 2. W e r eserve the right to mak e changes in specications and design without prior notice. APPROXIMATE Ambient Water Temp. (°F) ICE PRODUCTION Temp.
35 2. DCM-50 0BWH(-OS) Note: 1 . The data without *marks should be used f or r ef er ence onl y . 2. W e r eserve the right to mak e changes in specications and design without prior notice. APPROXIMATE Ambient Water Temp. (°F) ICE PRODUCTION Temp.
36 IV . Service Diagnosis A. Diagnostic P r ocedure This diagnostic procedur e is a sequence check that allo ws y ou to diagnose the electrical sy stem and components . Befor e proceeding , check f or correct inst allation, adequat e wat er supply (minimum of 1 0 PSIG, maximum of 1 13 PSIG) and pr oper volt age per unit nameplate .
37 6) Re ll /Low Wat er Safety – As ice is produced, the w at er le vel in the r eser v oir drops. As the wat er lev el drops, the upper and lo wer oat s witches open. Fir st, the upper oat s witch opens. Nothing occurs at this time. When the lo wer oat switch opens , re ll begins.
38 C. Diagnostic Charts 1 . No Ice P r oduction Pr oblem P ossible Cause Remed y [1] The icemak er will not star t. (Fill C ycle) a) P ower Suppl y 1. Of f, b lo wn fuse, or tripped break er . 1. T ur n on, replace , or reset. 2. Loose connection. 2. Tight en.
39 Pr oblem P ossible Cause Remed y [1] The icemak er will not star t. (Fill C ycle) (continued) m) High P ressur e Switch 1. Bad contacts. 1. Chec k f or continuity and replace . 2. Dir ty air lt er or condenser . 2. Clean. 3. Ambient or condenser wat er t emperatur e t oo warm.
40 Pr oblem P ossible Cause Remed y [3] Ice pur ge cycle will not star t. a) W ater Contr ol R ela y 1. Low w ater saf et y circuit open (bad contacts ). 1. Replace . b) Contr ol S witch 1. Bad contacts. 1. Check f or continuit y and replace . c) Bin Contr ol 1.
41 Pr oblem P ossible Cause Remed y [5] All components run, but no ice is produced. (continued) d) Evapor at or 1. Def ective . 1. Replace. e) W ater Supply Line (wat er -cooled model only) 1. Condenser w ater pressur e too low or of f and high pressure control opens and closes frequentl y .
42 3. Other Pr oblem P ossible Cause Remed y [1] Icemaker will not stop when bin is lled with ice. a) Bin Control 1. Actuat or sticking. 1. Adjust or r eplace. 2. P ro ximit y s witch closed. 2. Replace . [2] Abnor mal noise. a) F an Motor (e xcept wat er -cooled model) 1.
43 4. Dispensing Pr oblem P ossible Cause Remed y [1] No ice dispensed. a) P ower Suppl y 1. "OFF" position. 1. Mo v e to "ON" position. 2. Loose connection. 2. Tight en. 3. Bad contacts . 3. Chec k for continuity and replace . 4. Not within specications.
44 Pr oblem P ossible Cause Remed y [3] No water dispensed. a) P ower Suppl y 1. "OFF" position. 1. Mo v e to "ON" position. b) W ater Suppl y 1. W ater suppl y off or pressur e too low . 1. Check and get recommended pr essure. c) Dispensing W ater Va l v e 1.
45 5a. Ice Dispensing "Continuous" Mode Component Contr ol Board Sensor Control Boar d /Other Sensor On O ff Solenoid K2 Pin 6 LBU - To Neutr al/GND - 120V A C 0 VA C Sensor K5 Pin 4 W/0 R To K5 Pin 5 Y WH 5VDC 0VDC K5 Pin 6 W/BR BK 5VDC 5VDC 5b.
46 V . R emov al and R eplacement of Components IMPOR T ANT 1 . Ensure all components , fast eners, and thumbscr ews ar e secur el y in place af ter the equipment is ser viced. 2. The P ol y ol E ster (POE) oils used in R-404A units can absorb moisture quickl y .
47 1) Alw ay s install a ne w dr ier e ver y time the sealed r efrigeration s y st em is opened. Do not replace the drier until af ter all other r epair or replacement has been made. Install the new drier with the arr ow on the drier in the dir ection of the r efrigerant o w .
48 B. Remo val and R eplacement of Compressor IMPOR T ANT Alw ay s install a new drier e v er y time the sealed r efrigeration s y st em is opened. Do not replace the drier until af t er all other r epair or r eplacement has been made.
49 C. Remo val and R eplacement of Expansion V alve IMPOR T ANT Sometimes moisture in the r efr igeration cir cuit ex ceeds the drier capacit y and freez es up at the expansion v alv e . Alwa ys inst all a ne w drier ev er y time the sealed refrigeration s yst em is opened.
50 F ig. 1 Extruding Head and Upper Bearing Ev aporat or Allen Head C ap Scr e w with W asher Allen Head C ap Scr e w Housing and Low er Bearing Gear Motor Barrier Spline Coupling O-Ring Mechanical Seal A uger Cut ter A uger Pin He x Head Bolt with W asher D .
51 1 . Upper Bear ing W ear Check T o ensure that the bearing inside the extruding head does not e x ceed the wear toler ance of .02", f ollow the instructions below . See Fig . 2. 1) Mov e the control s witch to the "OFF" position, then turn off the po wer supply .
52 8) Replace spout A, spout B, and the fr ont cover of the st orage bin in their correct positions. 9) Mov e the power s witch to the "ON" position, then r eplace the panels in their corr ect positions.
53 3) Remo ve the apr on panel, then r emov e the lef t side panel. 4) Reco ver the r efrigerant and st ore it in an appr ov ed container . 5) Disconnect the drip tra y hose fr om the t ee. Remo ve the f our scre ws securing the dr ip tra y , then remov e the dr ip tra y and hose.
54 5. Remo v al and R eplacement of Mechanical Seal and Lo w er Housing 5a. Mechanical Seal 1) Mov e the control s witch to the "DRAIN" position and drain all of the w at er fr om the e v aporator . 2) Af ter the wat er has stopped draining , mov e the contr ol s witch to the "OFF" position, then tur n of f the power suppl y .
55 1 8) Mov e the po wer s witch to the "ON" position, then r eplace the panels in their corr ect positions. 1 9) T ur n on the pow er suppl y , then mov e the control s witch to the "ICE" position t o star t the automatic icemaking pr ocess.
56 1 7) Mov e the po wer s witch to the "ON" position, then r eplace the panels in their corr ect positions. 1 8) T ur n on the pow er suppl y , then mov e the control s witch to the "ICE" position t o star t the automatic icemaking pr ocess.
57 F . R emo val and R eplacement of W ater -Cooled Condenser IMPOR T ANT Alw ay s install a new drier e v er y time the sealed r efrigeration s y st em is opened. Do not replace the drier until af ter all other r epair or replacement has been made. 1) Mov e the control s witch to the "OFF" position, then turn off the po wer supply .
58 G. Remo val and R eplacement of W ater R egulating V alve - W ater -Cooled Model Only IMPOR T ANT Alw ay s install a new drier e v er y time the sealed r efrigeration s y st em is opened. Do not replace the drier until af ter all other r epair or replacement has been made.
59 20) Mov e the power s witch to the "ON" position, then r eplace the panels in their corr ect positions. 21) T ur n on the power suppl y , then mov e the control s witch to the "ICE" position t o start the automatic icemaking pr ocess.
60 J . Remo val and R eplacement of Inlet or Dispensing W ater V alve 1) Close the wat er supply line shut-of f val ve . 2) Open the wat er supply line drain v alv e . 3) Mov e the control s witch to the "OFF" position, then turn off the po wer supply .
61 1 0) Open the wat er supply line shut-of f val ve . 1 1) T ur n on the pow er suppl y , mov e the power s witch to the "ON" position, then r eplace the front panel in its corr ect position to eng age the door s witch. Mov e the control s witch t o the "ICE" position.
62 6) Install the ne w mot or . 7) Assemble the r emov ed par ts in the re ver se order of which the y wer e remov ed. 8) Mov e the power s witch to the "ON" position, then r eplace the panels in their corr ect positions.
63 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 HOSHIZAKI recommends cleaning this unit at least twice a year .
64 1 . W ater Sy stem a) Cleaning Solution Dilute 9.6 . oz. (0.29 l) of Hoshizaki "Scale A wa y" with 1 .6 gal. (6.0 l) of warm water . b) Cleaning Pr ocedure 1) Close the wat er supply line shut-of f val ve . 2) Mov e the dispense mode switch t o the "CONTINUOUS" position, then dispense all of the ice from the st orage bin.
65 1 3) Mov e the contr ol s witch to the "OFF" position, then tur n of f the pow er suppl y . 1 4) Close the wat er suppl y line shut-of f val ve . c) Sanitizing Solution Dilute 0.82 . oz. (25 ml) of a 5.25% sodium hypochlorit e solution (chlorine bleach) with 1 .
66 3) Remo ve the fr ont co v er of the st orage bin. 4) Remo ve the mot or brac ket thumbscr e ws, r st from the v er tical plane and then fr om the horizontal plane . W hile holding on t o the corr esponding agitat or or auger , mo v e the agitating mot or or the dispensing mot or t o war ds you.
67 B. Maintenance This icemaker m ust be maintained individuall y , ref erring to the instruction manual and labels pro vided with the icemaker . The schedule below is a guideline. More fr equent maintenance , howe ver , may be r equired depending on wat er qualit y , the icemaker's envir onment, and local sanitation regulations .
68 C. Pr eparing the Icemak er f or Long Stor age C A UTION When the icemak er is not used for t wo or thr ee day s under nor mal conditions, it is suf ficient t o onl y mov e the control s witch to the "OFF" position.
69 2. On wat er -cooled model only , r emo v e the w ater fr om the wat er-cooled condenser: 1) Make sur e the control s witch and the power s witch are in the "OFF" position and that the pow er suppl y is of f. R emov e the top , apron, and lef t side panels.
Een belangrijk punt na aankoop van elk apparaat Hoshizaki DCM-500BWH (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 DCM-500BWH 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 DCM-500BWH vinden. Op dit manier kan je controleren of het apparaat aan jouw behoeften voldoet. Op de volgende pagina's van de handleiding Hoshizaki DCM-500BWH leer je over alle kenmerken van het product en krijg je informatie over de werking. De informatie die je over Hoshizaki DCM-500BWH krijgt, zal je zeker helpen om een besluit over de aankoop te nemen.
In een situatie waarin je al een beziter van Hoshizaki DCM-500BWH 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 DCM-500BWH kunnen verkorten.
Maar de belangrijkste taak van de handleiding is om de gebruiker bij het oplossen van problemen te helpen met Hoshizaki DCM-500BWH . 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.
