Hoshizaki HR24Aの取扱説明書

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Summary
  • Hoshizaki HR24A - page 1

    Hoshizaki “A Superior Degr ee of Reliability” www .hoshizaki.com Model HR24A Undercounter Refrigerator Hoshizaki America, Inc. Number: 73187 Issued: 12-7-2011 SE RV ICE MA NU AL ...

  • Hoshizaki HR24A - page 2

    2 W ARNING Only quali ed ser vice technicians should inst all and ser vice the appliance . T o obtain the name and phone number of y our local Hoshizaki Cer ti ed Ser vice Repr esentativ e, visit www .hoshizaki.com. No ser vice should be under tak en until the technician has thor oughly r ead this Ser vice Manual. F ailure t o ser vice and ma ...

  • Hoshizaki HR24A - page 3

    3 CONTENTS Impor tant Saf et y Inf or mation ................................................................................................. 5 I. Specications ...................................................................................................................... 7 A. Electr ical and Refrigerant D ata ............................ ...

  • Hoshizaki HR24A - page 4

    4 VI. Cleaning and Maintenance Instructions ......................................................................... 37 A. Cleaning ...................................................................................................................... 37 1 . Ext erior ................................................................................. ...

  • Hoshizaki HR24A - 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 , damage t o the appliance, or damage t o proper t y . W ARNING Indicates a hazar dous situation which could r esult in death or serious injury . NO TICE Indicates a sit uation which could re ...

  • Hoshizaki HR24A - page 6

    6 W ARNING, continued • This appliance is not intended f or use by per sons (including children) with r educed ph y sical, sensor y , or mental capabilities, or lac k of e xper ience and knowledge , unless they ha ve been giv en super vision or instr uction concerning use of the appliance by a per son responsib le f or their safety . • Children ...

  • Hoshizaki HR24A - page 7

    7 I. Specications A. Electrical and R efrigerant Data See the nameplate f or electrical and refrigerant data. The nameplate is locat ed inside the cabinet. Electrical and R efriger ant Data Model A C Supply V oltage Amperes Design Pr essur e (PSIG) Refr igerant (oz.) HIGH LOW 1 34a HR24A 1 15/60/1 4 360 12 0 2.80 W e r eser v e the r ight to mak ...

  • Hoshizaki HR24A - page 8

    8 2. Dimensions Unit: mm [in.] T op View F ront View Side View Ad ditional Dimensions (mm [in.]) Model Inter ior Width Inter ior Height Inter ior Depth Door Stay Open P osition HR24A 460 [1 8.1 1] 475 [18.70] 450/330 [1 7 .72/1 3.00] 61 6 [24.25] W e r eser v e the r ight to mak e changes in specications and design without pr ior notice. ...

  • Hoshizaki HR24A - page 9

    9 II. General Inf ormation A. Construction 1 . HR24A Displa y Module/Contr ol Board Condenser Door Door Gasket Star t R ela y Door Switch Compr essor Condensat e Drain Pa n P ower C ord • Ev aporat or F an • Ev aporat or • C abinet Ther mistor • Ev aporat or F an Shroud Door Lock Drier C apillar y T ube Compr essor Wir e Har ness Condensat ...

  • Hoshizaki HR24A - page 10

    10 B. Sequence of Operation 1 . Sequence Cyc les and Shutdown The steps in the sequence ar e as outlined below . When pow er is supplied t o CB , DMLEDs  ash 3 times , then ° F LED tur ns on. P ress the po wer b ut t on f or 2sec., the cabinet temper atur e and Ev apFM icon tur n on and EvapFM st ar ts. 2-min. Comp dela y timer star ts. C ...

  • Hoshizaki HR24A - page 11

    11 4. Cool Down Rest art EvapFM and Comp icons ar e on. CTh w ar ms t o 4°F abo v e setpoint. Comp icon tur ns on and Compener gizes. 3-min. Comp run timer star ts. 5. Defrost Initiation EvapFM and Defr ost icons are on. a) A ut omatic Defr ost Initiation: EvapFM and Defr ost icons are on. EvapFM contin ues. 6-hr .DTterminates . 30-min. D ...

  • Hoshizaki HR24A - page 12

    12 2. Sequence Flow Chart HR24A Sequence Flow Chart • Defrost icon turns on. • If Comp run time <3min., Comp icon and Comp continue until 3-min. Comp run timer terminates. Once 3-min. Comp run timer terminates, C omp de-energiz es and defrost starts. Legend: Comp -compressor CTh -cabinet thermistor ESM -energy sa ving mode EvapFM -e va ...

  • Hoshizaki HR24A - page 13

    13 C. Control Boar d and Display Module • F or f actor y def ault set tings, see "II.H. Ser vice Menu." • F or contr ol boar d chec k pr ocedur e, see "IV .B . Contr ol Boar d Chec k." NO TICE • The control boar d and display module ar e fragile; handle very carefull y . • The control boar d and display module cont ain i ...

  • Hoshizaki HR24A - page 14

    14 DISPLA Y MODULE RIBBON CABLE E1 E2 CONTROL BOARD F ig. 1 1 . Control Boar d Lay out Compr essor (1 1 5V AC) P ower Suppl y Input (1 1 5V A C) C abinet Ther mist or Door S witch (5VDC) Evapor at or F an Motor (1 2VDC) Contr ol Boar d Displa y Module Ribbon C ab le Displa y Module Contr ol Boar d Compr essor Icon Displa y Defrost Icon Evapor at or ...

  • Hoshizaki HR24A - page 15

    15 D . Cabinet T emperat ure 1 . Default Settings The def ault CT setpoint is 39°F . The default CT displa y scale set ting is °F . NOTICE! Do not change the CT display scale fr om °Fto°C. All temper at ure relat ed values in the service menu must be c hanged manuall y if the CT displa y scale is changed fr om °Fto °C. a) Adjusting t ...

  • Hoshizaki HR24A - page 16

    16 E. Display Module Icons Displa y module icons inf or m you of ener gized components and if the appliance is in alar m. Display Module Icons Icon Meaning Compr essor Steady: Compressor running. Flashing: • Compressor dela y timer . C ompressor st ar ts within 2 min. • While adjusting cabinet t emperatur e setpoint. For cabinet t emperatur e s ...

  • Hoshizaki HR24A - page 17

    17 G. Alarm Safeties The alar ms ar e designed t o pr ot ect the appliance and the it ems inside. These alar ms giv e inf or mation and war nings in the e vent the appliance is oper ating out of acceptab le paramet er s . For all alarms ex cept P r1, the alar m icon tur ns on and the alarm code alternates with the cabinet t emperature . If the P r1 ...

  • Hoshizaki HR24A - page 18

    18 b) Clearing High and Lo w T emperat ure Alarms T o clear an alar m, f ollow the st eps below . 1) P r ess the "-" b ut ton f or 3 sec. to ent er the alar m menu. "EnS" is display ed. 2) P r ess the "-" or "+" b ut ton t wice. Af ter pr essing the "-" or "+" b ut ton the r st time , & ...

  • Hoshizaki HR24A - page 19

    19 b) Service Menu Chart Setpoint Service Menu Min. Max. Unit Fact or y Set ting Description SP See r1 See r2 °C/°F 39°F Cabinet setpoint. (compressor of f temper ature). (see r0 f or compressor on t emperature). Thermist or Input (Do Not Adjust) Service Menu Min. Max. Unit Fact or y Set ting Description CA 1 -25 25 °C/°F 0 Cabinet thermistor ...

  • Hoshizaki HR24A - page 20

    20 Defrost (Do Not Adjust) Service Menu Min. Max. Unit Fact or y Set ting Description d0 0 99 hrs . 6 Defr ost int er v al: 0=no defrost d1 0 2 --- 2 Defrost type. Do not adjust. 0=electric heater 1=hot gas 2=of f cycle (e v aporat or fan mot or) d2 -99 99 °C/°F N/A Limit f or defrost if P3 = 1 or 2. d3 0 99 min. 30 Defr ost duration. d4 0 1 --- ...

  • Hoshizaki HR24A - page 21

    21 T emperat ure Alarm (Do Not Adjust) Service Menu Min. Max. Unit Fact or y Set ting Description A0 0 1 --- 0 AL alarm sensor . Do not adjust. 0=cabinet thermistor 1=e v aporat or thermistor A1 -99 99 °C/°F - 10 Degr ees below setpoint f or AL alarm when A2=1 . Do not adjust. A2 0 2 --- 1 AL alarm. Do not adjust. 0=deactivat ed 1=A1 relativ e to ...

  • Hoshizaki HR24A - page 22

    22 Evapor ator Fan Mot or (Do Not Adjust) Service Menu Min. Max. Unit Fact or y Set ting Description F0 0 4 --- 1 F an operation with door closed. Do not adjust. 0=of f 1=on: see also F1 3, F1 4, and L 10 2=parallel with compr essor 3= dependent on F1 4=disabled when compr essor is off , dependent on F1 when compressor is on. F1 -99 99 °C/°F 30 F ...

  • Hoshizaki HR24A - page 23

    23 Serial Netw ork (Do Not Adjust) Service Menu Min. Max. Unit Fact or y Set ting Description LA 1 247 --- 247 Addr ess (not used) Lb 0 3 --- 2 Baud Rate (not used) LP 0 2 --- 2 Parity (not used) ...

  • Hoshizaki HR24A - page 24

    24 III. T echnical Data A. Refr ig er ation Cir cuit Evapor at or C apillar y T ube Compr essor Drier Condenser Lef t Side P er imet er Liquid Line Condensat e P an Evapor at or F an Motor ...

  • Hoshizaki HR24A - page 25

    25 B. W iring Diagram 1 . HR24A ...

  • Hoshizaki HR24A - page 26

    26 IV . Ser vice Diagnosis W ARNING • This appliance 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 . • Risk of electric shock. Use extr eme caution and ex ercise saf e electr ical practices . • Moving par ts (e .g . fan b lade) can cr ush an ...

  • Hoshizaki HR24A - page 27

    27 7) Startup–Ev apFM icon is on and Comp icon is ashing. EvapFM ener gizes. 2-min.Comp dela y timer star ts. Comp icon  ashes until 2-min. Comp dela y timer terminates . Diagnosis: Check that CT LEDs and Ev apFM icon turn on. Next, chec k that Ev apFM ener gizes . If not, conr m that DS is engaged. Check acr oss DSfor 5VDC . If 5V ...

  • Hoshizaki HR24A - page 28

    28 c) DefrostT er mination: Comp icon is on. EvapFM icon ashing. 30-min. DT terminates . 6-hr . DTstar ts. Comp icon turns on and Comp ener gizes . 2-min. EvapFM timer star ts. Ev apFM icon star ts  ashing and EvapFM de-ener giz es. When 2-min. Ev apFM timer t er minat es , Ev apFM icon turns steady and Ev apFM ener gizes . Nor mal oper ...

  • Hoshizaki HR24A - page 29

    29 B. Control Boar d Check Bef or e r eplacing a CB that does not sho w a visib le def ect 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. Alw a ys choose a neutral (W wir e) to estab lish a good neutral connection when checking A C v oltage (1 1 5V A C). Startu ...

  • Hoshizaki HR24A - page 30

    30 b) DefrostT er mination: Comp icon is on. EvapFM icon ashing. 30-min. DT terminates . 6-hr . DTstar ts. Comp icon tur ns on and Comp ener gizes. 2-min. EvapFM timer star ts. Ev apFM icon star ts  ashing and EvapFM de-ener giz es. When 2-min. EvapFM timer terminates , Ev apFM icon tur ns steady and Ev apFM energizes . Nor mal operatio ...

  • Hoshizaki HR24A - page 31

    31 D . Diagnostic Chart Bef or e consulting the diagnostic char ts, chec k the follo wing: • Check the cabinet t emperature setpoint and f actory default set tings. F or fact or y def ault set tings, see "II.D . Cabinet T emperatur e" and "II.H. Ser vice Menu." • Make sur e the doors ar e not lef t open or opened too of t en ...

  • Hoshizaki HR24A - page 32

    32 2. Evapor at or is F rozen Up Evapor ator is F rozen Up - P ossible Cause 1. Evapor at or a) Dir ty . 2. Ev aporat or F an Motor a) Defectiv e . 3. Contr ol Boar d a) Def ectiv e, not oper ating e v aporat or fan mot or . 4. Refrigerant/R efrigerant Lines a) Gas leak, low char ge. b) Refrigerant lines r estricted. 3. Defrost F ails t o Start or ...

  • Hoshizaki HR24A - page 33

    33 V . Replacement of Components W ARNING • This appliance 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 . • P r ess the pow er b ut ton f or 2 sec. to turn of f the appliance, then unplug the power cord fr om the electr ical outlet bef ore se ...

  • Hoshizaki HR24A - page 34

    34 2. Brazing W ARNING • R-1 34a itself is not ammab le at atmospher ic pr essur e and temper atur es up t o 21 2°F (1 00°C). • R-1 34a itself is not explosiv e or poisonous. Howe ver , when exposed t o high temper atur es (open  ames), R-1 34a can be decomposed t o f or m hy drouoric acid and carbonyl uoride both of which are haz ...

  • Hoshizaki HR24A - page 35

    35 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 fr om the hose. See the nameplate f or the requir ed refrigerant charge . Hoshizaki recommends only vir gin refrigerant or r eclaimed r efrigerant which meets the requir ements of A ...

  • Hoshizaki HR24A - page 36

    36 C. Door Re ver sal If you w ould lik e t o r e ver se the door s wing, f ollow the steps belo w . 1) Make sur e the appliance is of f and unplugged. 2) Remo ve the f astener s securing the top panel. See Fig . 1 . Being careful not t o pull on the wires t o the control panel and door s witch, lif t of f the top panel. Secure the t op panel so th ...

  • Hoshizaki HR24A - page 37

    37 VI. Cleaning and Maint enance Instructions A. Cleaning W ARNING • Bef or e cleaning the appliance , tur n of f and unplug the appliance to pr ev ent electric shock b y une xpected entrance of w at er int o the appliance or injur y b y moving par ts . • Bef or e cleaning the appliance , mov e all items int o another r efrigerat or . • Do no ...

  • Hoshizaki HR24A - page 38

    38 VII. Pr eparing the Appliance for P eriods of Non-Use When shut ting down the appliance f or mor e than one week, f ollow the instructions below . W ARNING When pr epar ing the appliance f or long storage , pr e vent the door fr om closing to r educe the r isk of childr en get ting trapped. Leav e the shel v es in place so that children ma y not ...

  • Hoshizaki HR24A - page 39

    39 VIII. Disposal W ARNING When pr epar ing the appliance f or disposal, remov e the door to r educe the risk of children get ting trapped. Lea v e the shel v es in place so that childr en ma y not easily climb inside. This appliance contains r efrigerant and must be disposed of in accor dance with applicable national, st at e , and local codes and ...

メーカー Hoshizaki カテゴリー Refrigerator

Hoshizaki HR24Aのメーカーから受け取ることができるドキュメントは、いくつかのグループに分けられます。その一部は次の通りです:
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それらは全部重要ですが、デバイス使用の観点から最も重要な情報は、Hoshizaki HR24Aの取扱説明書に含まれています。

取扱説明書と呼ばれる文書のグループは、Hoshizaki HR24Aの取り付け説明書、サービスマニュアル、簡易説明書、またはHoshizaki HR24Aのユーザーマニュアル等、より具体的なカテゴリーに分類されます。ご必要に応じてドキュメントを検索しましょう。私たちのウェブサイトでは、Hoshizaki HR24Aの製品を使用するにあたって最も人気のある説明書を閲覧できます。

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