Hoshizaki KM-650MAH manual

Hoshizaki “A Superior Degree of Reliability” www .hoshizaki.com Models KM-650MAH KM-650MWH KM-650MRH Modular Crescent Cuber Hoshizaki America, Inc. Issued: 8-14-2006 Revised: 2-27-2009 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 CONTENTS Important Safety Information ................................................................................................. 4 I. Specications ..................................................................................................................... 5 A. Nameplate Rating ...................................................[...]

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 MOTOR-COMPRESSOR THERMALL Y PROTECTED, NOT INTENDED FOR OUTDOOR USE! Hoshizaki America, Inc. Peachtree City , GA www .hoshizaki.com ICE MAKER WITHOUT STORAGE MEANS 946Z COMPONENT I. Specications A. Nameplate Rating 1. KM-650MAH (air-cooled) See the nameplate for electrical and refrigeration specications. This nameplate is located on the rea[...]

6 2. KM-650MWH (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 el[...]

7 MOTOR-COMPRESSOR THERMALL Y PROTECTED, NOT INTENDED FOR OUTDOOR USE! Hoshizaki America, Inc. Peachtree City , GA www .hoshizaki.com ICE MAKER WITHOUT STORAGE MEANS 946Z COMPONENT 3. KM-650MRH (remote air-cooled) See the nameplate for electrical and refrigeration specications. This nameplate is located on the rear panel. Since this nameplate is[...]

8 Unit: mm (in.) B. Dimensions / Connections 1. KM-650MAH[...]

9 2. KM-650MWH Unit: mm (in.)[...]

10 3. KM-650MRH Unit: mm (in.)[...]

11 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 storage bin. A. Checks Before Instal[...]

1 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[...]

13 E. Electrical Connection WARNING For All Models 1. Electrical connection must be hard-wired and must meet national, state, and local electrical code requirements. Failure to meet these code requirements could result in death, electric shock, serious injury, re, or extensive damage to equipment. . This unit requires an independent power sup[...]

14 F. Installation of Remote Condenser Unit WARNING 1. Installation of remote condenser unit must be performed by properly trained and EPA-certied service personnel. . Failure to install the equipment within these guidelines may adversely affect safety, performance, component life, and warranty coverage. 1. Checks Before Installation 1) Remov[...]

15 4. Line Set CAUTION The icemaker, line set, and remote condenser unit must contain the same type of refrigerant. Mixing of refrigerants will result in improper operation and possible damage to the refrigeration system. • Precharged factory line sets, available as optional equipment from Hoshizaki America, are recommended. For details, see &quo[...]

16 ) Connect the refrigerant lines to the appropriate male ttings on the remote condenser unit rst and then at the icemaker. Make a proper connection as follows: a. Remove the protective covers from the male tting and female coupling. b. Apply Polyol Ester (POE) refrigerant oil to the entire male tting, including threads, o-ring, and[...]

17 c. Make sure the male tting and female coupling are properly aligned, then start the connection by hand to ensure that it is not cross threaded. d. Tighten the connection with a wrench until it is tight. At this point, the nut has covered most of the threads on the male tting. e. Mark a reference line on the female coupling and the remote [...]

18 5. Electrical Connection WARNING 1. Electrical connection must meet national, state, and local electrical code requirements. Failure to meet these code requirements could result in death, electric shock, serious injury, re, or extensive damage to equipment. . THIS UNIT MUST BE GROUNDED. Be sure to install a proper ground from the icemaker [...]

19 Fig. 10 Upper Remote Condenser Unit Screws Lower Remote Condenser Unit Screws 6. Stacking Remote Condenser Units 1) Install the lower remote condenser unit as described earlier in this section. ) Place the upper remote condenser unit on top of the lower. See Fig. 10. 3) Secure the upper remote condenser unit to the lower remote condenser unit[...]

0 G. Water Supply and Drain Connections See Fig. 11, 12, or 13 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[...]

1 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 [...]

 2. Water-Cooled Condenser a) Connection to an Open Drain System • Condenser water supply inlet is 1/" female pipe thread (FPT). A minimum of 3/8" OD copper tubing is recommended for the condenser water supply line. • A condenser water supply line shut-off valve and drain valve should be installed. • Condenser drain outlet [...]

3 b) Connection to a Closed Loop System • Condenser water supply inlet is 1/" female pipe thread (FPT). A minimum of 3/8" OD copper tubing is recommended for the condenser water supply line. • Condenser return outlet is 3/8" FPT. A minimum of 3/8" OD hard pipe is recommended for the condenser return line. • Shut-off [...]

4 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 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 temperature w[...]

5 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 seal, do not opera[...]

6 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 storage bin. A. Cleaning and Sanitizing Instructions Hoshizaki recommends cleaning and sanitizing this unit at least once a[...]

7 1. Cleaning Procedure 1) Dilute 16 . oz. (473 ml) of recommended cleaner Hoshizaki "Scale Away" or "LIME-A-WAY" (Economics Laboratory, Inc.) with 3 gal. ( 11 l) of warm water. ) Remove all ice from the evaporator and the storage bin. Note: To remove cubes on the evaporator, turn off the power supply and turn it back o[...]

8 1) Move the control switch to the "WASH" position. ) Replace the front panel in its correct position. 3) Turn on the power supply to rinse off the cleaning solution. 4) Turn off the power supply after 5 minutes. 5) Remove the front panel. 6) Disconnect one end of the pump tubing to drain the water tank. After the[...]

9 B. Maintenance This icemaker must be maintained individually, referring to the instruction manual and labels provided with the icemaker. WARNING 1. Only qualied service technicians should attempt to service or maintain this icemaker. . Disconnect power before performing service or maintenance. 1. Stainless Steel Exterior To prevent corro[...]

30 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 seal, do not operate the icemaker with the control switch in the "WASH" position when the water tank is empty. Wh[...]

31 5) Open the water regulating valve by using a screwdriver to pry up on the spring retainer underneath the spring. While holding the valve open, blow out the condenser using the compressed air or carbon dioxide supply until water stops coming out. 6) Close the drain valve(s). 7) Replace the right side panel and front panel in their correct positi[...]

3 HOSHIZAKI AMERICA, INC. 618 Hwy . 74 S., Peachtree City , GA 30269 USA TEL (770) 487-2331 F AX (770) 487-3360 www.hoshizaki.com 91A1KN10B[...]