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Hoshizaki KML-250MAH manual

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Table of contents for the manual

  • Page 1

    Hoshizaki “A Superior Degr ee of Reliability” www .hoshizaki.com Models KML-250MAH, MWH KML-351MAH, MWH KML-451MAH, MWH KML-631MAH, MWH, MRH Low-Profile Modular Crescent Cuber Hoshizaki America, Inc. Issued: 8-19-2013 INST RU CT ION MA NU AL[...]

  • Page 2

    2 W ARNING Only quali ed ser vice t echnicians should install and service 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 installation or service should be under tak en until the technician has thoroughl y read this Instruction Manual. Like wise, th[...]

  • Page 3

    3 CONTENTS Impor tant S af et y Inf or mation ................................................................................................. 4 I. Specications ...................................................................................................................... 6 A. Electrical and Refrigerant D ata ............................[...]

  • Page 4

    4 Impor tant Saf ety 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 to the appliance , or damage t o pr oper ty . W ARNING Indicates a hazar dous situation which could r esult in death or serious injury . NO TICE Indicates a sit uation which could r[...]

  • Page 5

    5 W ARNING, continued • Children should be pr oper l y super vised around the appliance . • Do not climb , stand, or hang on the appliance or allow childr en or animals to do so . Serious injur y could occur or the appliance could be damaged. • Do not use combustib le spra y or place v olatile or ammab le substances near the appliance. The[...]

  • Page 6

    6 I. Specications A. Electrical and R efrigerant Data The rating label and nameplat e pr o vide electrical and refrigerant data. The rating label can be seen by r emoving the fr ont panel. The nameplat e is locat ed on the r ear panel. For cer tication marks, see the nameplat e. W e r eser v e the r ight t o make changes in specications an[...]

  • Page 7

    7 3. KML -451M_H Model Number KML -451MAH KML -451MWH A C Suppl y V oltage 1 1 5/60/1 1 1 5/60/1 Compr essor 1 1 5-1 20V 7 .9RLA 54.5LRA 1 1 5-1 20V 9.0RLA 70LRA P ump 1 20V 0.5FLA 23W 1 20V 0.5FLA 23W Fa n 1 20V 0.85FLA 50W --- --- --- Other 1 1 5-1 20V 0.15A 1 1 5-1 20V 0.15A Maximum F use Size 20 AMPS 20 AMPS Max. HA CR Break er (US A Only) 20 A[...]

  • Page 8

    8 NO TICE • Allow 6" (1 5 cm) clearance at r ear , sides, and t op for pr oper air circulation and ease of maintenance and/or ser vice should the y be required. • The ice stor age bin opening must match the bot tom opening as in the illustration. B. Dimensions/Connections 1 . Air-Cooled Models (MAH) Units: mm [in.] Rear Side Bot tom Model [...]

  • Page 9

    9 2. W ater -Cooled Models (MWH) Units: mm [in.] NO TICE • Allow 6" (1 5 cm) clearance at r ear , sides, and t op for pr oper air circulation and ease of maintenance and/or ser vice should the y be required. • The ice stor age bin opening must match the bot tom opening as in the illustration. KML -250MWH KML -351MWH KML -451MWH KML -631MWH[...]

  • Page 10

    10 3. Remot e Models (MRH) NO TICE • Allow 6" (1 5 cm) clearance at r ear , sides, and t op for pr oper air circulation and ease of maintenance and/or ser vice should the y be required. • The ice stor age bin opening must match the bot tom opening as in the illustration. Rear Side Bot tom Model Shown: KML -631MRH Model Shown: KML -631MRH M[...]

  • Page 11

    11 Units: mm [in.] 4. Remot e Condenser Unit URC-9F (use with KML -631MRH) Rear To p Icemaker Model URC-9F Heat of Rejection A T 90°F (32°C) WT 70°F (21°C) KML -631MRH 1 0,300 BTU/hr NO TICE Allow 24" (61cm) clear ance at fr ont and rear f or proper air cir culation and ease of maintenance and/or service should they be r equired.[...]

  • Page 12

    12 II. Installation and Operating Instr uctions W ARNING • The appliance must be installed in accor dance with applicable national, stat e, and local codes and regulations . • F ailure t o install, operat e, and maint ain the appliance in accor dance with this manual will adv ersel y af fect saf et y , perf or mance , component life , and w arr[...]

  • Page 13

    13 • Check that the r efr iger ant lines do not rub or touch lines or other surf aces, and that the f an b lade (if applicab le) turns freel y . • Check that the compr essor is snug on all mounting pads. • The icemaker can be inst alled on a dispenser unit or ice st orage bin. The ice stor age bins listed belo w are r ecommended. Model Number[...]

  • Page 14

    14 D . Set up 1 . Dispenser Unit/Ice Stor age Bin and Icemak er Set up W ARNING The installer must ensur e the dispenser unit/ice storage bin is compatib le with the icemaker , and the dispenser unit/ice storage bin and icemak er are pr operly at tached and secured. 1a) Dispenser Unit: F ollo w the dispenser unit's setup pr ocedur e. 1b) Ice S[...]

  • Page 15

    15 Int entionally Lef t Blank[...]

  • Page 16

    16 E. Electrical Connection W ARNING F or All Models • Electrical connection must be hard-wir ed and must meet national, stat e, and local electrical code requir ements. F ailure t o meet these code requir ements could r esult in death, electric shock, serious injur y , re , or damage. • The icemaker r equires an independent pow er suppl y o[...]

  • Page 17

    17 KML -250M_H KML -351M_H KML -451M_H KML -631M_H 115-120/60/1   W AR NING ELECTRICAL CONNECTION THIS UNIT MUST BE GROUNDED Failure to properly ground or wire this unit could result in death, serious injury, or severe damage to the icemaker. The white lead must be connected to the neutral conductor of the power source. See diagram below.[...]

  • Page 18

    18 F . W ater Suppl y and Dr ain Connections See F igs. 4 thr ough 8 W ARNING W ater suppl y and drain connections m ust be installed in accor dance with applicable national, stat e , and local r egulations. NO TICE • Nor mal oper ating w ater t emperature should be within 45°F t o 90°F (7°C to 32°C). Operation of the appliance , for e xtende[...]

  • Page 19

    19 1 . Icemaker Icemaker W ater Supply Inlet Minimum Icemak er W ater Supply Line Size Icemaker Dr ain Outlet Minimum Icemak er Drain Line Size 1/2" F emale Pipe Thread (FPT) 1/4" Nominal ID Copper W ater T ubing or Equiv alent 3/4" F emale Pipe Thread (FPT) 3/4" Nominal ID Hard Pipe or Equivalent • An icemaker w ater supply l[...]

  • Page 20

    20 2. W at er-Cooled Condenser a) KML -250/351/451MWH (1) Connection to an Open Dr ain S ystem Condenser W ater Supply Inlet Minimum Condenser W ater Supply Line Size Condenser Drain Outlet Minimum Condenser Drain Line Size 1/2" F emale Pipe Thread (FPT) 1/4" Nominal ID Copper W ater T ubing or Equivalent 3/8" F emale Pipe Thread (FP[...]

  • Page 21

    21 (2) Connection to a Closed Loop S yst em Condenser W ater Supply Inlet Minimum Condenser W ater Supply Line Size Condenser Ret urn Outlet Minimum Condenser Ret urn Line Size 1/2" F emale Pipe Thread (FPT) 1/4" Nominal ID Copper W ater T ubing or Equivalent 3/8" F emale Pipe Thread (FPT) 1/4" Nominal ID Copper W ater T ubing o[...]

  • Page 22

    22 b) KML -631MWH (1) Connection to an Open Dr ain S ystem Condenser W ater Supply Inlet Minimum Condenser W ater Supply Line Size Condenser Drain Outlet Minimum Condenser Drain Line Size 1/2" F emale Pipe Thread (FPT) 1/4" Nominal ID Copper W ater T ubing or Equivalent 3/8" F emale Pipe Thread (FPT) 1/4" Nominal ID Hard Pipe or[...]

  • Page 23

    23 (2) Connection to a Closed Loop S yst em Condenser W ater Supply Inlet Minimum Condenser W ater Supply Line Size Condenser Ret urn Outlet Minimum Condenser Ret urn Line Size 1/2" F emale Pipe Thread (FPT) 1/4" Nominal ID Copper W ater T ubing or Equivalent 3/8" F emale Pipe Thread (FPT) 1/4" Nominal ID Copper W ater T ubing o[...]

  • Page 24

    24 G. Installation of Remot e Condenser Unit W ARNING • Installation of r emot e condenser unit must be perf or med by pr oper ly trained and EP A -cer tied service personnel. • The remot e condenser unit must be installed in accor dance with applicab le national, stat e , and local codes and r egulations. • F ailure t o install the remot [...]

  • Page 25

    25 2. Checks Bef or e Installation 1) Remo ve the shipping car ton, tape , and packing mat erial. 2) Check that the r efr igerant lines do not rub or touch lines or other surf aces, and that the f an b lade mo v es fr eel y . 3. Setup 1) Assemble 2 sets of legs using the legs , bolts, and nuts pr ovided. See F ig . 1 1 . 2) P osition 1 of the plate[...]

  • Page 26

    26 5. Line Set Installation P r echar ged f act or y line sets, a vailab le as optional equipment fr om Hoshizaki America, are r ecommended. F or details , see "II.G.5.a) F act or y Line Set Installation." F ield f abricated line sets ar e allowed. For det ails, see "II.G.5.b) F ield F abr icated Line Set Installation." a) F act[...]

  • Page 27

    27 3) Ev acuat e thr ough the Schrader access por ts on the P ar ker quic k connect couplings and charge with R-404A r efr igerant v apor t o a pr essur e of 1 5 to 30 PSIG. Go to st ep 2 in "II.G.5.a) F actory Line Set Installation." b) F ield F abricat ed Line Set Installation 1) Rout e the copper tube liquid line and copper tube discha[...]

  • Page 28

    28 F ig. 1 3 F ig. 1 2 F emale Coupling Discharge Line (Insulat ed) See "II.G.4 Line Set Size and Refrigerant Char ge" f or details. Remot e Condenser Unit Liquid Line (Insulated) See "II.G.4 Line Set Size and Refrigerant Char ge" f or details. Icemaker Male F it ting Ser vice Loop Apply POE Oil or P ark er Super O Lube to Entir[...]

  • Page 29

    29 6. Electrical Connection W ARNING • Electrical connection must meet national, stat e, and local electrical code requir ements. F ailure to meet these code r equirements could r esult in death, electric shock, serious injur y , re , or damage. • T o reduce the risk of electric shock, mak e all r emote condenser unit connections bef or e co[...]

  • Page 30

    30 3) Install a gr ound wire fr om the icemak er f an motor junction bo x to the r emote condenser unit junction bo x. Use wire of an appr opriate g age and outdoor rating. 4) Install line and neutral wir es from the f an motor leads in the icemak er f an motor junction bo x t o the leads in the r emot e condenser unit junction bo x. Use wire of an[...]

  • Page 31

    31 H. F inal Chec klist W ARNING CHOKING HAZARD: Ensure all components , fast eners, and thumbscr ews are secur ely in place af ter inst allation. Make sur e that none ha v e f allen into the dispenser unit/ice stor age bin. 1) Is the icemaker le v el? 2) Is the icemaker in a sit e where the ambient t emperatur e is within 45°F to 1 00°F (7°C t [...]

  • Page 32

    32 I. Star t up W ARNING All par ts are f act or y -adjusted. Improper adjustments ma y adver sel y af f ect saf et y , perf ormance, component lif e , and warr anty cov erage . NO TICE • If the icemaker is turned of f, w ait f or at least 3 minutes bef ore r estar ting the icemaker t o pre vent damage t o the compr essor . • T o pre vent damag[...]

  • Page 33

    33 III. Maintenance The appliance must be maintained in accor dance with the instr uction manual and labels pro vided. Consult with y our local Hoshizaki Certied Service Represent ativ e about maintenance service. W ARNING • Only quali ed ser vice technicians should ser vice the appliance. • T o reduce the risk of electric shock, do not t[...]

  • Page 34

    34 B. Cleaning and Sanitizing Instructions The icemaker m ust be cleaned and sanitiz ed at least once a y ear . Mor e fr equent cleaning and sanitizing ma y be r equir ed in some w at er conditions. W ARNING • T o pre vent injury to individuals and damage t o the icemak er , do not use ammonia type cleaners. • C ar efull y f ollow any instructi[...]

  • Page 35

    35 9) P our the cleaning solution into the w ater tank. 1 0) Mov e the ser vice switch t o the "W A SH" position. 1 1) Replace the fr ont insulation panel and the fr ont panel in their corr ect positions . 1 2) T ur n on the pow er suppl y to st ar t the washing pr ocess. 1 3) T ur n of f the power suppl y af ter 30 min ut es. 1 4) Remo v[...]

  • Page 36

    36 4) Mov e the ser vice s witch t o the "W ASH" position. 5) Replace the fr ont insulation panel and the front panel in their corr ect positions . 6) T ur n on the power suppl y to star t the sanitizing process . 7) T ur n of f the po wer suppl y af ter 1 5 minut es. 8) Remo ve the fr ont panel. 9) Mov e the ser vice s witch t o the &quo[...]

  • Page 37

    37 IV . Pr epar ing the Icemak er f or Per iods of Non-Use NO TICE • When st oring the icemaker f or an ext ended time or in sub-freezing t emperatur es, f ollo w the instructions below t o pr e v ent damage. • T o pre vent damage t o the water pump , do not leav e the control s witch in the "SER VICE" position f or e xtended periods [...]

  • Page 38

    38 3) Open the condenser wat er supply line drain v alv e . If connected t o a closed loop s yst em, also open the condenser return line drain v al v e. 4) At tach a compressed air or carbon dio xide supply t o the condenser water suppl y line drain v alv e . 5) Open the wat er regulating v al v e b y using a scr e w driver t o pr y up on the sprin[...]

  • Page 39

    39 V . Disposal The appliance contains r efrigerant and must be disposed of in accor dance with applicable national, st at e , and local codes and r egulations. Refrigerant must be reco ver ed b y pr operly cer tied service personnel.[...]

  • Page 40

    40 HOSHIZAKI AMERICA, INC. 618 Hwy . 74 S., Peachtree Cit y, GA 30269 USA TEL (770) 487-2331 F AX (770) 487-3360 www .hoshizaki.com 1A3085-010[...]