Hoshizaki KMD-450MWH manual

Hoshizaki “A Superior Degree of Reliability” www .hoshizaki.com Models KMD-450MAH KMD-450MWH Modular Crescent Cuber Hoshizaki America, Inc. Issued: 1-19-2009 I N S T R U C T I O N M A N U A L ™[...]

 IMPORTANT Only qualied service technicians should install, service, or maintain this icemaker. No installation, service, or maintenance should be undertaken until the technician has thoroughly read this Instruction Manual. Likewise, the owner/manager should not proceed to operate the icemaker until the installer has instructed them on its pr[...]

3 IMPORTANT This manual should be read carefully before the icemaker is installed and operated. Only qualied service technicians should install, service, and maintain the icemaker. Read the warnings contained in this booklet carefully as they give important information regarding safety. Please retain this booklet for any further reference that m[...]

4 Important Safety Information Throughout this manual, notices appear to bring your attention to situations which could result in death, serious injury, or damage to the unit. WARNING Indicates a hazardous situation which could result in death or serious injury. CAUTION Indicates a situation which could result in damage to the unit. IMPORTANT Indic[...]

5 I. Specications A. Nameplate Rating 1. KMD-450MAH (self-contained air-cooled) See the nameplate for electrical and refrigeration specications. This nameplate is located on the rear panel. Since this nameplate is located on the rear panel of the icemaker, it cannot be read when the back of the icemaker is against a wall or against another pi[...]

6 2. KMD-450MWH (water-cooled) See the nameplate for electrical and refrigeration specications. This nameplate is located on the rear panel. Since this nameplate is located on the rear panel of the icemaker, it cannot be read when the back of the icemaker is against a wall or against another piece of kitchen equipment. Therefore, the necessary e[...]

7 B. Dimensions/Connections 1. KMD-450MAH Unit: mm [in.] Note: 5 [0.98] increases to 101. [3.98] when lower set of mounting holes is used.[...]

8 2. KMD-450MWH Unit: mm [in.] Note: 5 [0.98] increases to 101. [3.98] when lower set of mounting holes is used.[...]

9 II. Installation and Operating Instructions WARNING 1. This icemaker must be installed in accordance with applicable national, state, and local regulations. . CHOKING HAZARD: Ensure all components, fasteners, and thumbscrews are securely in place after installation. Make sure that none have fallen into the dispenser unit/storage bin. A. Checks[...]

10 C. Location CAUTION 1. This icemaker is not intended for outdoor use. Normal operating ambient temperature should be within 45°F to 100°F (7°C to 38°C); Normal operating water temperature should be within 45°F to 90°F (7°C to 3°C). Operation of the icemaker, for extended periods, outside of these normal temperature ranges may affect i[...]

11 E. Bin Control Installation 1) Remove the  thumbscrews securing insulation panel (B), then remove insulation panel (B). See Fig. 3. ) Disconnect the discharge hose, the drain valve drain hose, and the overow drain hose. 3) Disconnect the pump motor connector and the oat switch connector from the side of the control box. 4) Remove the[...]

1 11) Reconnect the pump motor connector and the oat switch connector. 1) Replace insulation panel (B) in its correct position and secure with the  thumbscrews. 13) Replace insulation panel (A), the top insulation, and the exterior panels in their correct positions. F. Electrical Connection WARNING 1. Electrical connection must be hard-[...]

13 G. Water Supply and Drain Connections See Fig. 7, 8, or 9 WARNING 1. Water supply and drain connections must be installed in accordance with applicable national, state, and local regulations. . Normal operating water temperature should be within 45°F to 90°F (7°C to 3°C). Operation of the icemaker, for extended periods, outside of this[...]

14 1. Icemaker • Icemaker water supply inlet is 1/" female pipe thread (FPT). A minimum of 3/8" OD copper tubing is recommended for the icemaker water supply line. • An icemaker water supply line shut-off valve and drain valve should be installed. • Icemaker drain outlet is 3/4" FPT. A minimum of 3/4" OD hard pipe is re[...]

15 Icemaker Drain Outlet 3/4" FPT Icemaker Water Supply Inlet 1/" FPT Fig. 8 Condenser Water Supply Inlet 1/" FPT Condenser Drain Outlet 1/" FPT KMD-450MWH Connection to an Open Drain System Separate piping to approved drain. Leave a two-inch (5 cm) vertical air gap between the end of each pipe and the drain. Icemaker B[...]

16 Condenser Return Line Shut-Off Valve Condenser Return Line Drain Valve Icemaker Drain Outlet 3/4" FPT Icemaker Water Supply Inlet 1/" FPT Condenser Water Supply Inlet 1/" FPT Condenser Return Outlet 1/" FPT Separate piping to approved drain. Leave a two-inch (5 cm) vertical air gap between the end of each pipe and th[...]

17 H. Final Checklist WARNING CHOKING HAZARD: Ensure all components, fasteners, and thumbscrews are securely in place after installation. Make sure that none have fallen into the dispenser unit/storage bin. 1) Is the icemaker level? ) Is the icemaker in a site where the ambient temperature is within 45°F to 100°F (7°C to 38°C) and the water [...]

18 I. Startup WARNING 1. All parts are factory-adjusted. Improper adjustments may adversely affect safety, performance, component life, and warranty coverage. . If the icemaker is turned off, wait for at least 3 minutes before restarting the icemaker to prevent damage to the compressor. 3. To prevent damage to the water pump, do not leave the co[...]

19 III. Cleaning and Maintenance WARNING CHOKING HAZARD: Ensure all components, fasteners, and thumbscrews are securely in place after any cleaning or maintenance is done to the unit. Make sure that none have fallen into the dispenser unit/storage bin. A. Cleaning and Sanitizing Instructions Hoshizaki recommends cleaning and sanitizing this unit at[...]

0 8) In bad or severe water conditions, clean the oat switch as described below. Otherwise, continue to step 9. a. Remove the  thumbscrews securing insulation panel (B), then remove insulation panel (B). See Fig. 10. b. Disconnect the discharge hose, the drain valve drain hose, and the overow drain hose. c. Disconnect the pump motor con[...]

1 17) Turn off the power supply, then remove the front panel. 18) Move the control switch to the "ICE" position. 19) Replace the front panel in its correct position. 0) Turn on the power supply to ll the water tank with water. 1) Turn off the power supply after 3 minutes. ) Remove the front panel. 3) Move the service [...]

 15) Replace the front panel in its correct position. 16) Clean the dispenser unit/storage bin liner using a neutral cleaner. Rinse thoroughly after cleaning. 17) Turn on the power supply to start the automatic icemaking process. B. Maintenance This icemaker must be maintained individually, referring to the instruction manual and labels provi[...]

3 C. Preparing the Icemaker for Long Storage CAUTION 1. When storing the icemaker for an extended time or in sub-freezing temperatures, follow the instructions below to prevent damage. . To prevent damage to the water pump, do not leave the control switch in the "SERVICE" position for extended periods of time when the water tank is [...]

4 3) Open the condenser water supply line drain valve. If connected to a closed loop system, also open the condenser return line drain valve. 4) Attach a compressed air or carbon dioxide supply to the condenser water supply line drain valve. 5) Open the water regulating valve by using a screwdriver to pry up on the spring retainer underneath the[...]

5 HOSHIZAKI AMERICA, INC. 618 Hwy . 74 S., Peachtree City , GA 30269 USA TEL (770) 487-2331 F AX (770) 487-3360 www .hoshizaki.com 91A7BA10A[...]