Hoshizaki DCM-500BWH manuel d'utilisation

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Tout d'abord, le manuel d’utilisation Hoshizaki DCM-500BWH devrait contenir:
- informations sur les caractéristiques techniques du dispositif Hoshizaki DCM-500BWH
- nom du fabricant et année de fabrication Hoshizaki DCM-500BWH
- instructions d'utilisation, de réglage et d’entretien de l'équipement Hoshizaki DCM-500BWH
- signes de sécurité et attestations confirmant la conformité avec les normes pertinentes

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Habituellement, cela est dû au manque de temps et de certitude quant à la fonctionnalité spécifique de l'équipement acheté. Malheureusement, la connexion et le démarrage Hoshizaki DCM-500BWH ne suffisent pas. Le manuel d’utilisation contient un certain nombre de lignes directrices concernant les fonctionnalités spécifiques, la sécurité, les méthodes d'entretien (même les moyens qui doivent être utilisés), les défauts possibles Hoshizaki DCM-500BWH et les moyens de résoudre des problèmes communs lors de l'utilisation. Enfin, le manuel contient les coordonnées du service Hoshizaki en l'absence de l'efficacité des solutions proposées. Actuellement, les manuels d’utilisation sous la forme d'animations intéressantes et de vidéos pédagogiques qui sont meilleurs que la brochure, sont très populaires. Ce type de manuel permet à l'utilisateur de voir toute la vidéo d'instruction sans sauter les spécifications et les descriptions techniques compliquées Hoshizaki DCM-500BWH, comme c’est le cas pour la version papier.

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Table des matières du manuel d’utilisation

  • Page 1

    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. Number: 73165 Issued: 7-30-2008 SE RV ICE MA NU AL ®[...]

  • Page 2

    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. F ailure t o ser vice and maintain the equipment in accor dance with this manual ma y adv ersel y af f ect saf ety [...]

  • Page 3

    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 . Please [...]

  • Page 4

    4 E. P erformance Data ....................................................................................................... 34 1 . DCM-500BAH(-OS) ................................................................................................ 34 2. DCM-500BWH(-OS) .................................................................................[...]

  • Page 5

    5 I. Specications A. Icemaker 1 . DCM-50 0B AH Note: We r eser v e the r ight t o make changes in specications 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 1.0 FLA 50 W AGITATING MOTOR 120 V 0.9 FLA 55 W DISPENSING MOTOR 120 V 0.9 FLA 55 W OTHERS 12[...]

  • Page 6

    6 2. DCM-50 0BAH-OS Note: We r eser v e the r ight t o make changes in specications 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 0.9 FLA 55 W DISPENSING MOTOR 120 V 0.9 FLA 55 W OTHERS 120 V 0.2 A MAXIMUM FUSE SIZE 20[...]

  • Page 7

    7 Note: We r eser v e the r ight t o make changes in specications 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 0.9 FLA 55 W OTHERS 120 V 0.2 A MAXIMUM FUSE SIZE 20 A MAX. HACR BREAKER (USA ONLY) [...]

  • Page 8

    8 4. DCM-50 0BWH-OS Note: We r eser v e the r ight t o make changes in specications 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 FLA 55 W OTHERS 120 V 0.2 A MAXIMUM FUSE SIZE 20 A MAX. HACR BREAKER (USA ONL[...]

  • Page 9

    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 Dispensing Motor Agit ating Mot or Agit at or Ice Dispensing A uger Dispensing W ater Va l v e Gear Motor Spout B Float S witch Dispense Mode S witch Contr [...]

  • Page 10

    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 Ice Dispensing A uger Dispensing W ater Va l v e Gear Motor Spout B Float S witch Dispense Mode S witch Contr ol Switch Shut ter Assemb l y P ow er S[...]

  • Page 11

    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 with W asher A uger Ev aporat or Housing and Low er Bearing C ylinder Insulation Allen Head C ap Scr e w with W asher W asher M8×1 4[...]

  • Page 12

    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. 1 . F ill Cyc le WV opens and the reservoi[...]

  • Page 13

    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 motor pr otect r elay LF/S - lower  oat switch UF/S - upper oat s witch WCR - wat er control r ela y WV - inlet wat er val ve Components Energize[...]

  • Page 14

    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 . F ragile, handle v er y carefull y . 2. The control board cont ains int egr at ed cir cuits,[...]

  • Page 15

    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 0.5V T ransformer "GM" LED (X1 Rela y) Gear Motor "DM" LED (X4 Rela y) Sh[...]

  • Page 16

    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 on label) "PO WER" LED (lights when power is supplied to the boar d) "FLUSH" LED (X6 Rela y) Drain V alve "COMP" LED (X2[...]

  • Page 17

    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 ovidesshor tcy cleprot ectionf orthecompressor .  a) LED Lights The "PO WER" LED indicat es [...]

  • Page 18

    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.). When shipped, the por tion control is set at the minim um dispensing t[...]

  • Page 19

    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. If the "COMP"[...]

  • Page 20

    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. Soak the s witch assemb l y in ice machine cleaner . W hile not necessar y ,[...]

  • Page 21

    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 Drain Evapor ator Spout Expansion Va l v e Gear Motor Over ow Reservoir W at er Supply Drier Air -Cooled Condenser Fa n High P ressure Switch Acce[...]

  • Page 22

    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 er Supply Drier W at er -Cooled Condenser High P ressure Switch Access Va l v e Access Va l v e Compr essor W at er Supply In W at er Supply Out Refr[...]

  • Page 23

    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 . DCM-50 0B AH, DCM-50 0BWH * High Pressure Switch Air-Cooled Model Water-Cooled Model Cut-out [...]

  • Page 24

    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 W/O WHITE/ORANGE W/R WHITE/RED WIRE COLOR CODE * (Control Board) * High Pressure Switch Air-Cooled Model Water-Cooled Model Cut-out 412± 21 PSIG 384[...]

  • Page 25

    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 . DCM-500BAH-OS DCM-500BWH-OS DCM-500BAH DCM-500BWH BK[...]

  • Page 26

    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 . 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 DARK BLUE V VIOLET W/O WHITE/ORANGE GY GRA Y W WHI TE W/R WHITE/[...]

  • Page 27

    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 DARK BLUE V VIOLET W/O WHITE/ORANGE GY GRA Y W WHI TE W/R WHITE/RED LBU LIGHT BLUE Y YELLOW WIRE COLOR CODE (Control Board) (Control Board) DCM-500BAH-O[...]

  • Page 28

    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 . Once the gear motor pr ot ect r ela y de-ener giz es, the dr ain wat er val v e open[...]

  • Page 29

    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. BK BLACK O ORANGE W/BK WHITE/BLACK BR BROWN P PINK W/BR WHITE/BRO [...]

  • Page 30

    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. The inlet wat er val v e r emains open until the upper  oat s witch closes. 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 DARK[...]

  • Page 31

    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. BK BLACK O ORANGE W/BK WH[...]

  • Page 32

    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. BK BLACK O ORANGE [...]

  • Page 33

    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.). See "II. D .3.a) P or tion Control." When shipped, t[...]

  • Page 34

    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 specications and design without prior notice. APPROXIMATE Ambient Water Temp. (°F) ICE PRODUCTION Temp. (°F) PER 24 HR. 70 *535 (243) 510 (231) 485 (220) 80 461 (209) 438 (199) [...]

  • Page 35

    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 specications and design without prior notice. APPROXIMATE Ambient Water Temp. (°F) ICE PRODUCTION Temp. (°F) PER 24 HR. 70 * 567 257 549 249 539 244 80 529 240 519 235 509 231 90 500 227 * 495 224 481 [...]

  • Page 36

    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 . Alw a ys choose [...]

  • Page 37

    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. The w at er contr ol r ela y de-ener giz es, th[...]

  • Page 38

    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. 3. Bad contacts . 3. Chec k f or continuity and replace . 4. Not within specications. [...]

  • Page 39

    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. 3. R educe t emperatur e. 4. R efrigerant ov ercharged. 4. R ecov [...]

  • Page 40

    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. Open. 1. Bin full, check f or continuity on pro ximit y s witch. d) Contr ol Boar d 1. [...]

  • Page 41

    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 . 1. Check and get recommended pr essure. f) W ater Regulat[...]

  • Page 42

    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. Bearing wor n out. 1. Replace. 2. F an blade def or med. 2. R eplace f an[...]

  • Page 43

    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 specications. 4. R ef er t o nameplat e and correct. b) Ice St orage 1. No ice or lit[...]

  • Page 44

    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. Coil winding open. 1. R eplace . 2. Wiring t o dispensing wat er v al[...]

  • Page 45

    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. Ice Dispensing "P ortion" Mode Component Control Boar d Sensor Control Boar d /Othe[...]

  • Page 46

    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 . Theref ore it is impor tant t o pr e vent moistur e fr om ent ering the sy stem when r[...]

  • Page 47

    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 . 2) Braz e all  t tings while purging with nitrogen g as o wing[...]

  • Page 48

    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. Note: When replacing a compr essor with a defectiv e winding, be sur e t o install the new st ar t capacit or and [...]

  • Page 49

    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. Do not replace the drier until af t er all other repair or r eplacement has[...]

  • Page 50

    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 . R emov al and R eplacement of Ev apor ator Assembl y Components C A UTION Make sur e the [...]

  • Page 51

    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 . Remo v e the front and t op panels, then mov e the power s witch to [...]

  • Page 52

    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. 1 0) T ur n on the power suppl y , then mo v e the contr ol s witch to the "ICE" position t o star t the automatic icemaking p[...]

  • Page 53

    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. 6) Remo ve the fr ont co v er of the st orage bin. Remo v e spout B,[...]

  • Page 54

    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 . R[...]

  • Page 55

    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. 6. Remo v al and R eplacement of Gear Mot or 1) Mov e the control s witch to the "[...]

  • Page 56

    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. E. Remo val and R eplacement of Self-Contained Air-Cooled Condenser IMPOR T ANT Alw ay [...]

  • Page 57

    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 . Remo[...]

  • Page 58

    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. 1) Mov e the control s witch to the "OFF" position, then turn o[...]

  • Page 59

    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. H. A djustment of W ater R egulating V alve - W ater -Cooled Model Onl y The wat er regulati[...]

  • Page 60

    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 . Remo v e the front and t op panels, then mov e the power s witch to the "OFF"[...]

  • Page 61

    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. 1 2) Allow the icemaker t o ll f or t wo min ut es. 1 3)[...]

  • Page 62

    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. 9) T ur n on the power suppl y , then mov e the control s witch to the "ICE" position t o start the automati[...]

  • Page 63

    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 . More frequent cleaning, ho we v er , ma y be requir ed in some[...]

  • Page 64

    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.[...]

  • Page 65

    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 .6 gal. (6.0 l) of warm water . d) Sanitizing Pr ocedure - F ollowing Cl[...]

  • Page 66

    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. Remo v e the agitat or and the dispensing auger[...]

  • Page 67

    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 . Consult with[...]

  • Page 68

    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. W hen storing the icemak er f or ext ended time or in sub-freezing temper atur es , tur n the wat er of f and drain out a[...]

  • Page 69

    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. 2) Close the condenser wat er supply line shut-of f val ve and open the condens[...]