Hoshizaki KM-255BWH manual

Hoshizaki “A Superior Degree of Reliability” www .hoshizaki.com Models KM-255BAH KM-255BWH Self-Contained Crescent Cuber Hoshizaki America, Inc. Issued: 10-4-2006 I N S T R U C T I O N M A N U A L ™[...]

2 IMPOR T ANT Only qualified ser vice technicians should attempt to install, ser vice or maintain this icemaker . No installation, ser vice or maintenance should be under taken until the technician has thoroughly read this Instruction Manual. Lik ewise , the owner/manager should not proceed to oper ate the icemak er until the installer has instruc[...]

3 • Please re vie w this manual. It should be read carefully bef ore the icemak er is installed and operated. Only qualified ser vice technicians should install, ser vice and maintain the icemaker . This manual should be made a v ailab le to the technician prior to installation, maintenance or ser vice. • K eep this manual with the icemaker f [...]

4 I. Specifications A. Nameplate Rating 1. KM-255BAH (air -cooled) See the nameplate f or electrical and refr igeration specifications . This nameplate is located on the upper left hand side of the rear panel. Since this nameplate is located on the rear panel of the icemaker , it cannot be read when the back of the icemak er is against a wall or [...]

5 2. KM-255BWH (water-cooled) See the nameplate f or electrical and refr igeration specifications . This nameplate is located on the upper left hand side of the rear panel. Since this nameplate is located on the rear panel of the icemaker , it cannot be read when the back of the icemak er is against a wall or against another piece of kitchen equip[...]

6 B. Dimensions/Connections 1. KM-255BAH Unit: mm. [inches][...]

7 2. KM-255BWH Unit: mm. [inches] Intentionally Left Blank[...]

8 II. Installation And Operating Instructions A. Checks Bef ore Installation IMPOR T ANT 1. Remov e shipping car ton, tape(s) and packing. If packing material is left in the icemaker , it will not work proper ly . 2. Ensure all components, f asteners and thumbscre ws are securely in place. 1) Remov e the top and front panels to prev ent damage when[...]

9 C. Location W ARNING This icemaker is not intended f or outdoor use. Nor mal operating ambient temperature should be within +45°F to +100°F (+7°C to +38°C); Nor mal operating w ater temperature should be within +45°F to +90°F (+7°C to +32°C). Operation of the icemak er , for e xtended per iods, outside of these normal temperature ranges m[...]

10 E. W ater Suppl y and Drain Connections See Fig. 2 CA UTION T o pre vent damage to equipment, do not oper ate this icemak er when the water supply is OFF , or if the pressure is below 10 PSIG (0.7 bar). Do not run the icemaker until the proper w ater pressure is reached. • W ater supply inlet is 1/2" f emale pipe thread (FPT). Note: On wa[...]

11 KM-255B AH KM-255BWH Separate piping to appro v ed drain. Leav e a two-inch (5 cm) v er tical air gap between the end of each pipe and the drain. Fig. 2 Icemaker W ater Supply Inlet 1/2" FPT Shut-off V alve Drain V alv e Drain Outlet 3/4" FPT Condenser W ater Inlet 1/2" FPT Condenser W ater Outlet 1/2" FPT Shut-off V alve Dra[...]

12 F . Final Checklist 1) Is the icemaker le v el? 2) Is the icemaker in a site where the ambient temper ature is within +45°F to +100°F (+7°C to +38°C) and the water temper ature within +45°F to +90°F (+7°C to +32°C) all year around? 3) Is there at least 6" (15 cm) clearance at the rear and top of the icemak er f or ease of maintenanc[...]

13 G. Star tup CA UTION 1. All par ts are f actor y-adjusted. Improper adjustments ma y result in f ailure. 2. If the unit is tur ned off, w ait for at least 3 minutes bef ore restar ting the icemaker to pre v ent damage to the compressor . 1) Open the water supply line shut-off v alve . 2) Remov e the front panel. 3) Mov e the control switch on th[...]

14 III. Cleaning and Maintenance Instructions IMPOR T ANT Ensure all components, f asteners and thumbscrews are securely in place after any maintenance or cleaning is done to the equipment. A. Cleaning W ARNING 1. Hoshizaki recommends cleaning this unit at least once a year . More frequent cleaning, how e v er , ma y be required in some existing w [...]

15 19) Remov e the float switch from the w ater tank by pulling out on the right-side wall of the water tank slightly and sliding the float s witch upw ard. Be careful to av oid breakage when handling the par ts. See Fig. 6. 20) Remov e the detector from the water tank. It is snapped in place. Slide it up and then out. See Fig. 6. 21) Pull Cube G[...]

16 2. Sanitizing Procedure - Follo wing Cleaning Procedure 1) Dilute appro ximately 0.5 fl. oz. (15 ml or 1 tbs) of a 5.25% sodium h ypochlorite solution (chlorine bleach) with 1 gallon (3.8 l) of warm water . Using a chlor ine test strip or other method, confir m that y ou ha v e a concentration of about 200 ppm. 2) Soak the remov ed par ts from[...]

17 3. Air Filter (air-cooled model onl y) The plastic mesh air filter remov es dir t and dust from the air , and keeps the condenser from getting clogged. As the filter gets clogged, the icemaker’ s perf ormance will be reduced. Check the filter at least twice a month. When it is clogged, use warm water and a neutral cleaner to w ash the filt[...]

18 13) Mov e the control switch to the OFF position. 14) Reconnect the suction hose and har v est water v alve hose . 15) Close the potable w ater supply line drain valv e. 16) Remov e all ice from the storage bin and clean the bin. 17) T ur n off the power supply at the break er box. 18) If the icemaker is w ater cooled, proceed to the next sectio[...]

19 HOSHIZAKI AMERICA, INC. 618 Hwy . 74 S., Peachtree City , GA 30269 USA TEL (770) 487-2331 F AX (770) 487-3360 www .hoshizaki.com 91A1AT10A[...]