Hoshizaki KM-1301SWH-E manuel d'utilisation

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59

Aller à la page of

Un bon manuel d’utilisation

Les règles imposent au revendeur l'obligation de fournir à l'acheteur, avec des marchandises, le manuel d’utilisation Hoshizaki KM-1301SWH-E. Le manque du manuel d’utilisation ou les informations incorrectes fournies au consommateur sont à la base d'une plainte pour non-conformité du dispositif avec le contrat. Conformément à la loi, l’inclusion du manuel d’utilisation sous une forme autre que le papier est autorisée, ce qui est souvent utilisé récemment, en incluant la forme graphique ou électronique du manuel Hoshizaki KM-1301SWH-E ou les vidéos d'instruction pour les utilisateurs. La condition est son caractère lisible et compréhensible.

Qu'est ce que le manuel d’utilisation?

Le mot vient du latin "Instructio", à savoir organiser. Ainsi, le manuel d’utilisation Hoshizaki KM-1301SWH-E décrit les étapes de la procédure. Le but du manuel d’utilisation est d’instruire, de faciliter le démarrage, l'utilisation de l'équipement ou l'exécution des actions spécifiques. Le manuel d’utilisation est une collection d'informations sur l'objet/service, une indice.

Malheureusement, peu d'utilisateurs prennent le temps de lire le manuel d’utilisation, et un bon manuel permet non seulement d’apprendre à connaître un certain nombre de fonctionnalités supplémentaires du dispositif acheté, mais aussi éviter la majorité des défaillances.

Donc, ce qui devrait contenir le manuel parfait?

Tout d'abord, le manuel d’utilisation Hoshizaki KM-1301SWH-E devrait contenir:
- informations sur les caractéristiques techniques du dispositif Hoshizaki KM-1301SWH-E
- nom du fabricant et année de fabrication Hoshizaki KM-1301SWH-E
- instructions d'utilisation, de réglage et d’entretien de l'équipement Hoshizaki KM-1301SWH-E
- signes de sécurité et attestations confirmant la conformité avec les normes pertinentes

Pourquoi nous ne lisons pas les manuels d’utilisation?

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 KM-1301SWH-E 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 KM-1301SWH-E 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 KM-1301SWH-E, comme c’est le cas pour la version papier.

Pourquoi lire le manuel d’utilisation?

Tout d'abord, il contient la réponse sur la structure, les possibilités du dispositif Hoshizaki KM-1301SWH-E, l'utilisation de divers accessoires et une gamme d'informations pour profiter pleinement de toutes les fonctionnalités et commodités.

Après un achat réussi de l’équipement/dispositif, prenez un moment pour vous familiariser avec toutes les parties du manuel d'utilisation Hoshizaki KM-1301SWH-E. À l'heure actuelle, ils sont soigneusement préparés et traduits pour qu'ils soient non seulement compréhensibles pour les utilisateurs, mais pour qu’ils remplissent leur fonction de base de l'information et d’aide.

Table des matières du manuel d’utilisation

  • Page 1

    Hoshizaki “A Superior Degr ee of Reliability” www .hoshizaki.com Models KM-1301SAH-E KM-1301SWH-E KM-1301SRH-E Stackable Crescent Cuber Hoshizaki America, Inc. SE RV ICE MA NU AL ™ Number: 73181 Issued: 4-12-2011[...]

  • Page 2

    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. F ailure t o ser vice and maintain the equipment in accordance with this man ual ma y adver sely af fect saf et y , perf orman[...]

  • Page 3

    3 CONTENTS Impor tant Saf et y Inf or mation ................................................................................................. 5 I. Specications ...................................................................................................................... 6 A. Icemaker .....................................................[...]

  • Page 4

    4 III. T echnical Inf or mation ...................................................................................................... 25 A. W ater Cir cuit and R efrigeration Cir cuit ........................................................................ 25 1 . KM-1 30 1SAH-E (air -cooled) ........................................................[...]

  • Page 5

    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 . C A UTION Indicates a sit uation which could result in dama ge to the unit.[...]

  • Page 6

    6 AC SUPPLY VOLTAGE 220-240/50/1 AMPERAGE 11.8 A (5 Min. Freeze AT 109°F /W T 59°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 lb./day ( kg/day ) 70 *1114 (505) 1082 (491) 992 (450) Referenc e without *mark s 80 1089 (494) 1039 (471) 924 ( 419) 90[...]

  • Page 7

    7 AC SUPPLY VOLTAGE 220-240/50/1 AMPERAGE 10.7 A (5 Min. Freeze AT 109°F /W T 59°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 lb./day ( kg/day ) 70 *1330 (603) 1304 (591) 1239 (562) Referenc e without *mark s 80 1310 (594) 1269 (576) 1189 (539) 9[...]

  • Page 8

    8 AC SUPPLY VOLTAGE 220-240/50/1 AMPERAGE 12.3 A (5 Min. Freeze AT 109°F /W T 59°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 lb./day ( kg/day ) 70 *1270 (576) 1233 (559) 1160 (526) Referenc e without *mark s 80 1241 (563) 1183 (537) 1100 (499) 9[...]

  • Page 9

    9 B. Condenser Unit 1 . URC-1 4FE Units: mm [in.] 935 [36-1 3/16] 850 [33-1 5/32] 960 [37 -1 3/16] 907 .2 [35-1 1/1 6] 309 [1 2-3/16] 75 [2-1 5/16] 380 [1 4-15/1 6] 557 .8 [21 -1 5/1 6] 68 [2-1 1/1 6] 380 [1 4-15/1 6] 357 [1 4-1/16] 370 [1 4-9/16] 435 [1 7 -1/8] 460 [1 8-1/8] T OP VIEW FRONT VIEW URC F AN MO T OR CONNECTION 7/8"DIAOPENIN[...]

  • Page 10

    10 AC SUPPLY VOLTAGE 115/50/1 (Connection to Icemaker) FAN MOTOR 115 V Total 2.6FLA 130W EXTERIOR DIMENSIONS (WxDxH) 35-11/16"×15-11/16"×21-15/16" (907.2×398×557.8 mm) DIMENSIONS INCLUDING LEGS (WxDxH) 37-13/16"×18-1/8"×36-15/16" (960×460×937.8 mm) EXTERIOR FINISH Galvanized Steel WEIGHT Net 80 lb. ( 36 kg ) Sh[...]

  • Page 11

    11 II. General Inf ormation A. Construction 1 . KM-1 30 1SAH-E (air -cooled) Evapor at or Assembl y Spra y T ubes Inlet W ater V alv e W ater Supply Inlet Hot Gas V alv e Junction Bo x Air -Cooled Condenser Check V alv es Contr ol Bo x Drier T ransf ormer Box Contr ol S witch Ther mostatic Bin C ontrol Compr essor Float S witch W ater P ump Check V[...]

  • Page 12

    12 2. KM-1 30 1SWH-E (w ater -cooled) Ev aporat or Assembl y Spra y T ubes Inlet W ater V alv e W ater Supply Inlet Hot Gas V alv e Junction Bo x W ater Regulating Va l v e Check V alv es Contr ol Bo x Liquid Line V alv e Drier T ransf ormer Box Contr ol S witch Mechanical Bin Contr ol Compr essor Float S witch W ater P ump Check V alv e (wat er) E[...]

  • Page 13

    13 3. KM-1 30 1SRH-E (r emote air -cooled) Evapor at or Assembl y Spra y T ubes Inlet W ater V alv e W ater Supply Inlet Hot Gas V alv e Junction Bo xes Receiv er T ank Check V alv es Contr ol Bo x Liquid Line V alv e Drier T ransf ormer Box Contr ol S witch Compr essor Float Switch W ater P ump Check V alv e (wat er) Expansion V alves Low -Side Se[...]

  • Page 14

    14 B. Sequence of Operation IMPOR T ANT KM-1 30 1SAH-E utiliz es a ther most atic bin control. F or KM-130 1SAH-E 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 . 1 . Sequence Cy c les and Shutdo wn The steps in the sequence ar e as outlined below . When pow er is supplie[...]

  • Page 15

    15 c) F r eez e Cycle LED 1 is on. Comp and FMR r emain energized, PM ener gizes or remains ener gized depending on har v est pump timer (S4 dip s witch 7) set ting . FM and LL V energiz e. HGV and X1 rela y (auxiliar y code T -0, U-0), X1 0 rela y (auxiliar y code U-1 and later) de-energiz e. For the r st 5 minut es, CB will not accept a signal[...]

  • Page 16

    16 (2) Mechanic al Bin Contr ol (KM-1 30 1SWH-E, KM-1 30 1SRH-E) WhenmechanicalBCisactiv ated(BCopen),they ellow"BCOPEN"LEDcomeson.  The unit then shuts down as outlined in the t ab le below . Cyc le at Mechanical Bin Control A ctivation Shutdown Fill C ycle 1 5 seconds aft er activation. Har v[...]

  • Page 17

    17 2. Sequence Flow Chart F/S check 1 to 3-min. timer in control (S4 dip switch 1 & 2) Components Energized when the Contr ol S witch is in the "W A SH" P osition The"W ASH"positiononthecontrols witchisusedwhencleaningandsanitizingtheunit. W heninthe"W ASH"po[...]

  • Page 18

    18 C. Control Boar d • A Hoshizaki e x clusive solid-st at e contr ol boar d is emplo yed in Hoshizaki Stac kab le Crescent Cuber s. • All models are pr etest ed and f actor y set. 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 ailu[...]

  • Page 19

    19 1 . Contr ol Boar d Lay out "G" Control Boar d P ar t Number 2A3792-0 1 "G" Contr ol Boar d • "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 K4 Jumper (4A4883G0 1) f or Thermostatic Bin[...]

  • Page 20

    20 a) LED Lights and Audible 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thecontr olswitchismo vedt othe"ICE"position.  The red LED indicat es proper contr ol v oltage and remains on unless a contr ol v oltage [...]

  • Page 21

    21 2. 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. a) Default Dip S witch Set tings The dip s witches ar e f actor y set t o the f ollow[...]

  • Page 22

    22 c) Pump-Out Timer (S4 dip switch 3 & 4) C A UTION Do not adjust S4 dip s witch 3 of f and S4 dip s witch 4 on f or this model. Otherwise, pump mot or does not rotat e in the pump-out direction. 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 r estar ts 2 seconds later in the r e ve[...]

  • Page 23

    23 e) Harvest P ump Timer (S4 dip switch 7) C A UTION F actory set for pr oper operation. Do not adjust. Adjustment outside of the f act or y def ault set ting ma y result in damage t o the icemak er . Depending on the har v est pump timer set ting, the pump mot or energizes and runs the last 0 or 50 seconds of har v est. W hen the pump is on, w at[...]

  • Page 24

    24 h) Float S witch Contr ol (S5 dip s witch 1) C A UTION Do not adjust. This must be lef t in the f actor y def ault position or the unit will not operat e corr ectl y . F actory set. S5 dip s witch 1 allows f or single or double  oat s witch applications. The KM-1 30 1SAH-E, KM1 30 1SWH-E, and KM-1 30 1SRH-E use a single oat s witch. i) Re?[...]

  • Page 25

    25 III. T echnical Infor mation A. W at er Cir cuit and R efr igeration Cir cuit 1 . KM-1 30 1SAH-E (air -cooled) W at er Supply Float Switch Drain Check V alv e Expansion V alv es Compr essor Hot Gas Va l v e Check V alv es High-P ressure Switch Strainer Drier Condenser Evapor ator Ser vice Va l v e Discharge Line Suction Line W at er P ump Thermi[...]

  • Page 26

    26 2. KM-1 30 1SWH-E (w ater -cooled) W at er Supply Float Switch Drain Check V alv e Expansion V alv es Compr essor Hot Gas Va l v e Check V alv es High-P ressure Switch Strainer Drier Condenser Evapor ator Ser vice Va l v e Discharge Line Suction Line W at er P ump Thermistor Spra y T ubes Inlet W ater V alv e Pump-Out W at er T ank Ser vice Va l[...]

  • Page 27

    27 3. KM-1 30 1SRH-E (r emote air -cooled) W at er Supply Float Switch Drain Check V alv e Expansion V alv es Compr essor Hot Gas Va l v e Check V alv es High-P ressure Switch Strainer Drier Remot e Condenser Unit Evapor ator Ser vice Va l v e Discharge Line Suction Line W at er P ump Thermistor Spra y T ubes Inlet W ater V alv e F reeze/Harvest Pu[...]

  • Page 28

    28 B. W iring Diagr ams 1 . Auxiliary Code T -0, U-0 a) KM-1 30 1SAH-E (air -cooled) A uxiliar y C ode T -0, U-0 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[...]

  • Page 29

    29 2. Auxiliary Code U-1 and Later a) KM-1 30 1SAH-E (air -cooled) A uxiliar y C ode U-1 and Lat er 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 Auxiliary Code U-1 and V -0[...]

  • Page 30

    30 b) KM-1 30 1SWH-E (water -cooled) * T ransformer Output 1 0.5V at 1 15V * High-Pr essure Switc h Cut-out 384± 21 PSIG Cut-in 284±21 PSIG 0[...]

  • Page 31

    31 c) KM-1 30 1SRH-E (remote 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[...]

  • Page 32

    32 C. P erf ormance Data 1 . KM-1 30 1SAH-E (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 specications and design without prior notice. 70/21 1114 505 1082 491 992 450 80/27 1089 494 1039 471 92[...]

  • Page 33

    33 2. KM-1 30 1SWH-E (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 specications and design without prior notice. 70/21 1330 603 1304 591 1239 562 80/27 1310 594 1269 576 1189 539 90/32 1304 5[...]

  • Page 34

    34 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 specications and design without prior notice. 3. KM-1 30 1SRH-E (r emote air -cooled) 70/21 1270 576 1233 559 1160 526 80/27 1241 563 1183 537 1100 499 90/32 1[...]

  • Page 35

    35 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 . 3. Moving par ts (e.g ., f an blade) can crush and cut. [...]

  • Page 36

    36 4) Initial Harvest Cy c le – LEDs 1, 4, and 2 are on. WV and X2 rela y (auxiliar y code T -0, U-0), X1 1 rela y (auxiliar y code U-1 and later) r emain ener giz ed, HGV , X1 rela y (auxiliar y code T -0, U-0), X1 0 rela y (auxiliar y code U-1 and later), Comp , and FMR energiz e. CBmonitorsthew ar mingoftheev aporat orv[...]

  • Page 37

    37 an inoperativ e Comp , or an inoperative HM. If the unit s witches out of fr eeze with F/S connector r emov ed, b ut would pr eviousl y not switch out of fr eez e with F/S connect ed (longfreez e-3beepalar m),F/Smaybestic king.  T ocheckandcleanF/S ,see"IV .D .  FloatS witchChec ka[...]

  • Page 38

    38 8) Shutdown a) Thermostatic Bin Contr ol: KM-1 30 1SAH-E When the unit is running hold ice in contact with the thermostatic bulb , the ther mostatic BC s witch opens within 1 0 seconds, shut ting down the unit (CB red"PO WEROK"LEDisof f).  Thebincontrolisf actor yset,andgener ally no adjustment[...]

  • Page 39

    39 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. This procedur e will help you v erify your diagnosis . Alar mR eset: Ifthecontrolboar disinalar m(beeping),pr essthe"ALARM[...]

  • Page 40

    40 C. Bin Control Chec k 1 . Thermostatic Bin Contr ol Check: KM-1 30 1SAH-E 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 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 [...]

  • Page 41

    41 7) P r ess the actuat or paddle, chec k for contin uity across the wir es of the r ed connector . When the actuat or paddle is engaged, the mechanical bin contr ol s witch is open. If closed, check that the actuat or paddle is not restricted. Clean if necessar y . See "IV .C.2.b)MechanicalBinC ontrolCleaning ."Ifthe?[...]

  • Page 42

    42 b) Mechanical Bin Contr ol Cleaning Scale ma y b uild up on the mechanical bin contr ol. Scale can cause the actuator paddle and magnet to stic k. In this case, the mechanical bin contr ol should be cleaned. W ARNING CHOKING HAZARD: Ensure all components , fast eners, and thumbscr ews ar e securel y in place af t er the unit is ser viced. Make s[...]

  • Page 43

    43 D . Float S witch Check and Cleaning The  oat s witch is used to det ermine that there is suf ficient wat er in the tank af ter the 1 -minute  ll cy cle and af ter each harvest c y cle. The  oat s witch is also used to det ermine that the appropriat e v olume of w at er has been con v er ted int o ice befor e switching out of the freez [...]

  • Page 44

    44 2. Float Switc h Cleaning Depending on local wat er conditions, scale ma y b uild up on the  oat switch. Scale on the s witch can cause the  oat to stic k. In this case, the  oat switch 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&quo[...]

  • Page 45

    45 E. Thermist or Chec k 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 . 4) Remo ve the thermistor . 5) Immerse the thermistor sensor por tio[...]

  • Page 46

    46 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 . CheckCBusingthestepsin"IV .B. Contr olBoar d Check."Chec kthedipswitchset tingstoassurethatS4dips wit[...]

  • Page 47

    47 No Ice Pr oduction - Possib le Cause 14 . Float Switch See"IV .D . FloatS witchCheck andCleaning." a) Float does not mov e freely . b) Def ectiv e. 15 . Compr essor a) Compr essor r ela y/magnetic contact or contacts bad or coil winding open. b) Star t capacit or or run capacitor def ectiv e . c) Internal ov erload pr[...]

  • Page 48

    48 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. Ev aporat or a) Scaled up . b) Damaged. 2. Separator s a) Out of position. 3. Cube Guide a) Out of position. 4. Spray T ubes and/or [...]

  • Page 49

    49 F reeze Up - P ossible Cause F reeze Cyc le 1. Ev aporat or a) Scaled up . b) Damaged. 2. Separator s a) Out of position. 3. Spray T ubes and/or Spra y Guides a) Dir ty . b) Out of position. 4. Refrigerant charge . a) L o w. 5. Check V alv e a) Defectiv e. 6. Control Boar d See "IV .B. ControlBoar dCheck." a) F reeze timer set[...]

  • Page 50

    50 3. Low Ice P r oduction Low Ice P r oduction - P ossible Cause Long Harvest Cy cle 1. Evapor at or a) Scaled up . 2. Spray T ubes and/or Spra y Guides a) Dir ty . b) Out of position. 3. Refrigerant Charge a) L o w. 4. Wat er Supply a) Low w ater pr essure. b) External wat er lt ers clogged. c) Insuf ficient w ater line size . Minimum3/8&qu[...]

  • Page 51

    51 V . 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 v[...]

  • Page 52

    52 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. Howe ver , when exposed t o high temper atur es (open  ames), R-404A can be decomposed to f or m h y dr ouoric acid and carbonyl uoride both of which are hazar dous[...]

  • Page 53

    53 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 . For air -cooled and wat er -cooled models, see the nameplat e for the requir ed refrige[...]

  • Page 54

    54 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 star t capacit or , run capacitor , and star t rela y . Expansion V alve • At tachtheexpansionv alv ebulbt othesuctionline[...]

  • Page 55

    55 VI. Cleaning and Maintenance This icemaker m ust be cleaned and maintained in accor dance with the documentation and labels pro vided with the icemaker . Consult with your local distrib ut or about cleaning and maintenance service. T o obtain the name and phone number of y our local distr ib ut or , contact y our near est Hoshizaki Ser vice of f[...]

  • Page 56

    56 5) Remo ve the drain plug locat ed on the lower fr ont par t of the ice chut e. See F ig . 6. Allow the wat er tank to dr ain. 6) Replace the dr ain plug in its corr ect position. Be careful not t o cr oss thr ead it. 7) In bad or se v ere wat er conditions, clean the  oat s witch assembl y as described below . Otherwise, contin ue t o st ep [...]

  • Page 57

    57 1 5)Mov ethecontr ols witchtothe"ICE"position. 1 6) Replace the fr ont panel in its corr ect position. 1 7) T ur n on the pow er suppl y t o  ll the wat er tank with wat er . 1 8) T ur n of f the power suppl y af t er 3 minut es. 1 9) Remo v e the fr ont panel. 20)Mov ethecontrols witchtothe[...]

  • Page 58

    58 B. Maintenance The maintenance schedule belo w is a guideline. More frequent maint enance may be requir ed depending on wat er quality , the icemak er's en vir onment, and local sanitation regulations . W ARNING 1 . Ex cept as specied belo w , only quali ed ser vice technicians should at tempt to service this icemaker . 2. Mov e[...]

  • Page 59

    59 3) Close the icemaker w ater suppl y line shut-of f val ve , then open the icemak er wat er supply line dr ain v alv e. 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. [...]