HoshizakiメーカーKM-1301SWH-Eの使用説明書/サービス説明書
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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.
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 III. T echnical Inf or mation ...................................................................................................... 25 A. W ater Cir cuit and R efrigeration Cir cuit ..................................................................
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 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.
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.
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.
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 .
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.
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 Con.
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 .
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 Li.
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 .
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.
16 (2) Mechanic al Bin Contr ol (KM-1 30 1SWH-E, KM-1 30 1SRH-E) WhenmechanicalBCisactiv ated(BCopen),they ellow"BCOPEN"LEDcomeson. 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.
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"positiononthecontrols witchisusedwhencleaningandsanitizingtheunit.
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 .
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 es.
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. Abeepoccurswhenthecontr olswitchismo vedt othe"ICE"position.
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.
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 .
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.
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.
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.
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 Evap.
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 C.
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 C.
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.
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.
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.
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 specications and design without prior notice.
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 specications and design without prior notice.
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 specications and design without prior notice.
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 .
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.
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 (longfreez e-3beepalar m),F/Smaybestic king.
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 WEROK"LEDisof f).
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.
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 .
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 .
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.
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.
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 .
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 vethefr ontpanel,thenmo v ethecontr ols witchtothe"OFF"position. 3) Remo ve the contr ol bo x cov er .
46 G. Diagnostic Charts Bef or e consulting the diagnostic char ts, chec k for corr ect installation, proper v oltage per unit nameplate ,andadequatewat ersupply . CheckCBusingthestepsin"IV .B. Contr olBoar d Check.
47 No Ice Pr oduction - Possib le Cause 14 . Float Switch See"IV .D . FloatS witchCheck andCleaning." 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.
48 2. F reeze Up Defrostandcleantheunitpriort odiagnosingfr eezeup . See"VI.A. CleaningandSanitizing Instructions." F reeze Up - P ossible Cause Harvest Cy cle 1. Ev aporat or a) Scaled up . b) Damaged.
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.
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.
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 .
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.
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 .
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 .
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 .
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 .
57 1 5)Mov ethecontr ols witchtothe"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.
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 specied belo w , only quali ed ser vice technicians should at tempt to service this icemaker .
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 .
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Hoshizaki KM-1301SWH-Eを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はHoshizaki KM-1301SWH-Eの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
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