Hoshizaki KM-1900SWH/3 manual

Issued: 1-6-2009 Revised: 11-8-2010 Hoshizaki “A Superior Degr ee of Reliability” www .hoshizaki.com Models KM-1900SAH/3 KM-1900SWH/3 KM-1900SRH/3 Stackable Crescent Cuber Hoshizaki America, Inc. INST RU CT ION MA NU AL ™[...]

2 IMPOR T ANT Only quali ed ser vice t echnicians should install, service, and maintain the icemaker . No installation, service, or maintenance should be under t ak en until the technician has thor oughly r ead this Instruction Manual. Like wise, the o wner/ manager should not proceed t o operate the icemak er until the installer has instructed [...]

3 IMPOR T ANT This manual should be r ead car efull y bef ore the icemak er is installed and operat ed. Only quali ed ser vice technicians should inst all, ser vice , and maintain the icemak er . Read the w ar nings cont ained in this booklet car efull y as they giv e impor tant inf or mation reg arding saf et y . Please retain this booklet f or[...]

4 Impor tant Saf ety Inf or mation 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 uni[...]

5 See the nameplate f or electrical and refrigeration specications. This nameplate is locat ed on the rear panel. Since this nameplate is locat ed on the rear panel of the icemak er , it cannot be r ead when the back of the icemak er is against a w all or ag ainst another piece of kitchen equipment. Theref ore , the necessar y electr ical and r [...]

6 See the nameplate f or electrical and refrigeration specications. This nameplate is locat ed on the rear panel. Since this nameplate is locat ed on the rear panel of the icemak er , it cannot be r ead when the back of the icemak er is against a w all or ag ainst another piece of kitchen equipment. Theref ore , the necessar y electr ical and r [...]

7 See the nameplate f or electrical and refrigeration specications. This nameplate is locat ed on the rear panel. Since this nameplate is locat ed on the rear panel of the icemak er , it cannot be r ead when the back of the icemak er is against a w all or ag ainst another piece of kitchen equipment. Theref ore , the necessar y electr ical and r [...]

8 See the nameplate f or electrical and refrigeration specications. This nameplate is locat ed on the rear panel. Since this nameplate is locat ed on the rear panel of the icemak er , it cannot be r ead when the back of the icemak er is against a w all or ag ainst another piece of kitchen equipment. Theref ore , the necessar y electr ical and r [...]

9 See the nameplate f or electrical and refrigeration specications. This nameplate is locat ed on the rear panel. Since this nameplate is locat ed on the rear panel of the icemak er , it cannot be r ead when the back of the icemak er is against a w all or ag ainst another piece of kitchen equipment. Theref ore , the necessar y electr ical and r [...]

10 6. KM-1 90 0SRH3 (r emote air -cooled) See the nameplate f or electrical and refrigeration specications. This nameplate is locat ed on the rear panel. Since this nameplate is locat ed on the rear panel of the icemak er , it cannot be r ead when the back of the icemak er is against a w all or ag ainst another piece of kitchen equipment. Theref[...]

11 Note: When used with a stor age bin not r ecommended b y Hoshizaki, the icemak er needs the space at the bot tom opening as in the illustration. Unit: in. [mm] B. Dimensions/Connections 1 . KM-1 90 0SAH/3[...]

12 Note: When used with a stor age bin not r ecommended b y Hoshizaki, the icemak er needs the space at the bot tom opening as in the illustration. 2. KM-1 90 0SWH/3 Unit: in. [mm][...]

13 3. KM-1 90 0SRH/3 Note: When used with a stor age bin not r ecommended b y Hoshizaki, the icemak er needs the space at the bot tom opening as in the illustration. Unit: in. [mm][...]

14 II. Installation and Operating Instr uctions W ARNING 1 . This icemaker m ust be installed in accor dance with applicable national, stat e, and local codes and regulations . 2 . CHOKING HAZARD: Ensure all components, f astener s, and thumbscre ws are secur ely in place af ter inst allation. Make sur e that none ha v e f allen into the stor age b[...]

15 C. Location C A UTION 1 . This icemaker is not int ended for outdoor use . Nor mal operating ambient temper atur e should be within 45°F t o 1 00°F (7°C to 38°C); Nor mal oper ating wat er temperatur e should be within 45°F to 90°F (7°C to 32°C). Operation of the icemaker , f or e xt ended periods, outside of these normal temperatur e ra[...]

16 6) Install the bin contr ol thermostat as f ollows: a. Remov e the baf f le fr om the st orage bin. b . Remo v e the tie secur ing the bin contr ol thermostat assembl y . Remo v e the 2thumbscre wsandthe"Z"brack et. c. Remov e the bin control thermostat assembl y from the shipping hook b y lif ting it up and shif ting it[...]

17 If a Hoshizaki B-1 30 0, B-1 50 0, B-1 650, or non-Hoshizaki st or age bin is used: g. R emov e the 2 scre ws securing the ther mostat b ulb at tachment (plastic) t o the ther most ate xtensionbrac ket(stainless). Usethe2scre wstoat tachthe"Z"brac k et (plastic) to the thermostat e xtension brac k[...]

18 8) C ar efull y r emov e the ther mostat b ulb from the ther most at b ulb at tachment (plastic) of the upper unit. 9) C ar efull y r out e the ther most at b ulb and capillar y tubing of the upper unit thr ough the bot tom hole of the upper unit. Remo v e the bushing fr om the low er bin contr ol thermostat assembl y . Rout e the bulb and tubin[...]

19 F . Electr ical Connection W ARNING F or All Models 1 . Electrical connection must be hard-wir ed and must meet national, state , and local electrical code requir ements. F ailure t o meet these code requir ements could result in death, electric shoc k, serious injur y , re , or sev ere damage t o equipment. 2. This unit requires an independe[...]

20 F ig. 8b KM-1 90 0S_H3 KM-1 90 0S_H F ig. 8a •Onsinglephasemodels,thewhit eleadmustbeconnectedt otheneutralconductorof the pow er sour ce. C A UTION! Miswiring ma y result in sev ere damage t o the icemak er . SeeF ig . 8a. •Onthreephasemodels ,thetransf or mer’ svolt [...]

21 G. Installation of Remot e Condenser Unit W ARNING 1 . Installation of the r emot e condenser unit must be perf or med b y pr operly trained and EP A -cer tied service personnel. 2. The remote condenser unit m ust be installed in accor dance with applicable national, stat e , and local codes and r egulations. 3. F ailure to inst all the equip[...]

22 4. Line Set C A UTION The icemaker , line set, and remot e condenser unit must contain the same type of refrigerant. Mixing of r efrigerants will result in impr oper operation and possible damage t o the refrigeration s y stem. •P r echar gedf act or ylinesets ,av ailab leasoptionalequipmentfr omHoshizaki Ameri[...]

23 d. Tighten the connection with a wr ench until it is tight. At this point, the nut has cov ered most of the thr eads on the male  t ting. e. Mark a ref erence line on the f emale coupling and the r emot e condenser unit or icemaker panel. Using a bac kup wr ench on the back of the f emale coupling, tight en the six -sided nut of the f emale c[...]

24 6) Ev acuat e thr ough the Schrader access por ts on the P arker quic k connect couplings and charge with R-404A r efr iger ant v apor t o a pr essur e of 1 5 to 30 PSIG. 7) Connect the r efr igerant lines t o the appropriate male  t tings on the remot e condenser unit rst and then at the icemak er . Make a pr oper connection as follo ws: [...]

25 5. Refr igerant Char ge (Line Set Ex ceeding 66 Feet) C A UTION The icemaker , line set, and remot e condenser unit must contain the same type of refrigerant. Mixing of r efrigerants will result in impr oper operation and possible damage t o the refrigeration s y stem. The maximum line length f or the standard r efr igerant char ge is 66 feet. S[...]

26 1) Remo ve the louv er panel. See Fig . 1 5. 2) Remo ve the junction bo x cov er on the r emot e condenser unit. Remov e the f an mot or junction bo x co v er on the icemak er . 3) Install a gr ound wire fr om the icemak er t o the r emot e condenser unit. Use wire of an appropriat e g age and outdoor rating . 4) Install line and neutral wir es [...]

27 H. W ater Supply and Dr ain Connections See F ig. 1 7 , 1 8, and 1 9 W ARNING 1 . W at er suppl y and drain connections m ust be installed in accor dance with applicable national, st at e , and local r egulations. 2. Nor mal operating w at er temper atur e should be within 45°F t o 90°F (7°C to 32°C). Operation of the icemak er , f or ext en[...]

28 KM-1 90 0SAH/3 KM-1 90 0SRH/3 Bin Drain Outlet 3/4" FPT Icemaker W ater Supply Line Shut-Off V alve Icemaker W ater Supply Line Drain V alve Icemaker W ater Supply Inlet 1/2" FPT Icemaker Drain Outlet 3/4" FPT Condensation Drain Outlet 3/8" OD Hard T ube Bin Icemaker Remote Condenser Line Set Connections Separate piping to ap[...]

29 KM-1 90 0SWH/3 Connection T o An Open Drain S yst em Condenser Water Supply Inlet 1/2" FPT Icemaker W ater Supply Inlet 1/2" FPT Icemaker Drain Outlet 3/4" FPT Condensation Drain Outlet 3/8" OD Hard T ube Condenser Drain Outlet 3/8" FPT Bin Icemaker Separate piping to approv ed drain. Leav e a 2 inch (5 cm) vertical air [...]

30 F ig. 1 9 KM-1 90 0SWH/3 Connection T o A Closed Loop S y stem Bin Drain Outlet 3/4" FPT Condenser Water Supply Line Shut-Off V alve Condenser W ater Supply Line Drain V alve Icemaker W ater Supply Line Shut-Off V alv e Icemaker W ater Supply Line Drain V alve Condenser Return Outlet 3/8" FPT Icemaker W ater Supply Inlet 1/2" FPT [...]

31 I. 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 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 to 38°C) and the wat[...]

32 J . Star t up W ARNING 1 . All par ts are f actory -adjust ed. Improper adjustments ma y adver sel y af f ect saf ety , performance, component lif e, and warr anty cov erage . 2. If the icemaker is tur ned 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 . 3. T o pre v ent damage to th[...]

33 III. 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 icemak er at least once a year . More fr equent cleaning, ho we v er , ma y be requir ed i[...]

34 1 . Cleaning P r ocedur e 1)Dilute38 . oz. (1,1 24ml)ofHoshizaki"Scale A wa y"with7gal. (26l)ofwar mw ater . 2) Remo ve all ice fr om the e vaporat or and the storage bin. Note: T o r emo v e cubes on the e vaporat or , tur n of f the power suppl y and tur n it on af ter 3 minut [...]

35 22)Mov ethecontrols witchtothe"W ASH"position. 23) Replace the fr ont panel in its correct position. 24) T ur n on the pow er suppl y to rinse of f the cleaning solution. 25) T ur n of f the power suppl y af ter 5 min ut es. 26) Remo ve the fr ont panel and the insulation panel. 27) Remo ve the cap locat ed on t[...]

36 B. Maintenance Instr uctions IMPOR T ANT This icemaker m ust be maintained individuall y , ref err ing t o the instruction manual and labels pr o vided with the icemak er . 1 . Stainless St eel Exter ior T o pre vent corr osion, wipe the e xterior occasionally with a clean, sof t cloth. Use a damp cloth containing a neutral cleaner t o wipe of f[...]

37 2. Drain the w at er tank: 1) T ur n of f the power suppl y , then r emo v e the fr ont panel. Mov e the contr ol s witch to the "OFF"position. 2) Remo ve the insulation panel. Remo v e the cap locat ed on the fr ont bot tom par t of the ice dropping hole . See Fig . 20. Allow the w at er tank t o drain. 3) Replace the cap and the i[...]

38 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 91A1SJ10C[...]