Hoshizaki KM-600MAH, Instruction Manual

Page 1: ...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 3 18 2010 INSTRUCTION MANUAL ...

Page 2: ...nual primarily to assist qualified service technicians in the installation maintenance and service of the icemaker Should the reader have any questions or concerns which have not been satisfactorily addressed please call write or send an e mail message to the Hoshizaki Technical Support Department for assistance HOSHIZAKI AMERICA INC 618 Highway 74 South Peachtree City GA 30269 Attn Hoshizaki Tech...

Page 3: ...trical Connection 18 7 Stacking Remote Condenser Units 19 G Water Supply and Drain Connections 20 1 Icemaker 21 2 Water Cooled Condenser 22 H Final Checklist 24 I Startup 25 III Cleaning and Maintenance 26 A Cleaning and Sanitizing Instructions 26 1 Cleaning Procedure 27 2 Sanitizing Procedure Following Cleaning Procedure 28 B Maintenance 29 C Preparing the Icemaker for Long Storage 30 IMPORTANT T...

Page 4: ...hock serious injury or fire follow basic precautions including the following 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 fire or severe damage to equipment This unit requires an independent power supply See the nameplate for proper voltage and...

Page 5: ...ther piece of kitchen equipment Therefore the necessary electrical and refrigeration information is also on the rating label which can be easily seen by removing only the front panel of the icemaker We reserve the right to make changes in specifications and design without prior notice HOSHIZAKI ICE MAKER MODEL NUMBER KM 650MAH SERIAL NUMBER AC SUPPLY VOLTAGE 208 230 60 1 3 WIRE WITH NEUTRAL FOR 11...

Page 6: ... of kitchen equipment Therefore the necessary electrical and refrigeration information is also on the rating label which can be easily seen by removing only the front panel of the icemaker We reserve the right to make changes in specifications and design without prior notice HOSHIZAKI ICE MAKER MODEL NUMBER KM 650MWH SERIAL NUMBER AC SUPPLY VOLTAGE 208 230 60 1 3 WIRE WITH NEUTRAL FOR 115V COMPRES...

Page 7: ...of kitchen equipment Therefore the necessary electrical and refrigeration information is also on the rating label which can be easily seen by removing only the front panel of the icemaker We reserve the right to make changes in specifications and design without prior notice HOSHIZAKI ICE MAKER MODEL NUMBER KM 650MRH SERIAL NUMBER AC SUPPLY VOLTAGE 208 230 60 1 3 WIRE WITH NEUTRAL FOR 115V COMPRESS...

Page 8: ...8 Unit mm in B Dimensions Connections 1 KM 650MAH ...

Page 9: ...9 2 KM 650MWH Unit mm in ...

Page 10: ...10 3 KM 650MRH Unit mm in ...

Page 11: ...o the sun or to heat remove the film after the icemaker cools Check that the refrigerant lines do not rub or touch lines or other surfaces and that the fan blade if applicable turns freely Check that the compressor is snug on all mounting pads See the nameplate on the rear panel and check that your voltage supplied corresponds with the voltage specified on the nameplate This icemaker can be instal...

Page 12: ...t to ovens grills or other high heat producing equipment The location should provide a firm and level foundation for the equipment Allow 6 15 cm clearance at rear sides and top for proper air circulation and ease of maintenance and or service should they be required D Setup 1 Unpack the storage bin and attach the 4 adjustable legs provided bin accessory to the bottom of the storage bin 2 Position ...

Page 13: ...G tag provided with the pig tail leads in the junction box See Fig 3 Additional Warnings for Remote Air Cooled Model 5 THE REMOTE CONDENSER UNIT MUST BE GROUNDED The power supply and ground wire to the remote condenser unit are supplied from the icemaker See II F 5 Electrical Connection 6 To reduce the risk of electric shock make all remote condenser unit connections before connecting the icemaker...

Page 14: ... extended periods outside of this normal temperature range may affect icemaker performance 2 The maximum line length for the standard line sizes and refrigerant charge is 66 feet With larger line sizes and additional refrigerant the maximum line length is 100 feet For details see II F 5 Line Set Exceeding 66 Feet 3 The maximum vertical distance between the remote condenser unit and the icemaker is...

Page 15: ...charge must be adjusted if line length is longer than 66 feet For details see II F 5 Line Set Exceeding 66 Feet Leave a service loop behind the icemaker to allow the icemaker to be pulled out for service See Fig 7 Factory fabricated line sets are precharged and do not need to be evacuated If the line set is too long or too short see II F 4 a 1 Factory Line Set Modification CAUTION 1 Ensure that th...

Page 16: ...o a pressure of 15 to 30 PSIG Go to step 2 in II F 4 a Factory Line Set Installation b Field Fabricated Line Set Installation 1 Route a 3 8 OD copper tube discharge line and a 1 4 OD copper tube liquid line between the remote condenser unit and the icemaker for line length up to 66 feet CAUTION Line sizes and charge must be adjusted if line length is longer than 66 feet For details see II F 5 Line...

Page 17: ...y 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 fitting e Mark a reference line on the female coupling and the remote condenser unit or icemaker panel Using a backup wrench on the back of the female coupling tighten the six sided nut of the female coupling an additional 1 6 tur...

Page 18: ...ectrical connection must meet national state and local electrical code requirements Failure to meet these code requirements could result in death electric shock serious injury fire or severe damage to equipment 2 THE REMOTE CONDENSER UNIT MUST BE GROUNDED Install a proper ground wire from the icemaker to the remote condenser unit Use wire of an appropriate gage and outdoor rating Failure to proper...

Page 19: ...lace the junction box covers and the louver panel in their correct positions Fig 10 Screws Louver Panel Junction Box Cover Remote Condenser Unit Icemaker Screw Fan Motor Junction Box Cover 7 Stacking Remote Condenser Units 1 Install the lower remote condenser unit as described earlier in this section 2 Place the upper remote condenser unit on top of the lower See Fig 11 3 Secure the upper remote c...

Page 20: ...s External filters strainers or softeners may be required depending on water quality Contact your local Hoshizaki distributor for recommendations Water supply pressure should be a minimum of 10 PSIG and a maximum of 113 PSIG If the pressure exceeds 113 PSIG the use of a pressure reducing valve is required The icemaker and condensation drain line s storage bin drain line and water cooled condenser ...

Page 21: ...tion drain outlet is 3 8 OD stainless tube The condensation drain line can be connected to the icemaker drain line or can be run separately Fig 12 KM 650MAH and KM 650MRH Separate piping to approved drain Leave a two inch 5 cm vertical air gap between the end of each pipe and the drain Icemaker Water Supply Line Shut Off Valve Icemaker Water Supply Line Drain Valve Icemaker Icemaker Water Supply I...

Page 22: ...er may be required in the cooling water circuit Fig 13 KM 650MWH 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 Water Supply Line Shut Off Valve Icemaker Water Supply Line Drain Valve Icemaker Icemaker Water Supply Inlet 1 2 FPT Bin Drain Outlet 3 4 FPT Two inch 5 cm air gap Floor Drain...

Page 23: ...45 F 7 C and the condenser return outlet temperature must be in the 104 F to 115 F 40 C to 46 C range Once the icemaker installation is complete confirm the condenser return outlet temperature 5 minutes after a freeze cycle starts If the outlet temperature is not in the proper range adjust the water regulating valve to bring it into range Condenser Return Line Shut Off Valve Condenser Return Line ...

Page 24: ...r unit 8 Are the water supply line shut off valve s and drain valve s installed Has the water supply pressure been checked to ensure a minimum of 10 PSIG and a maximum of 113 PSIG Note The icemaker may stop running when the water supply is off or if the pressure is below 10 PSIG When the proper water pressure is reached the icemaker automatically starts running again 9 Are the compressor hold down...

Page 25: ... Move the control switch on the control box to the ICE position 4 Replace the front panel in its correct position 5 Turn on the power supply and allow the icemaker to operate for a total of 10 minutes 6 Turn off the power supply then remove the front panel 7 Remove the base cover then disconnect one end of the pump tubing to drain the water tank See Fig 15 8 After the water tank has drained reconn...

Page 26: ...solution 3 Always wear liquid proof gloves and goggles to prevent the cleaning and sanitizing solutions from coming into contact with skin or eyes 4 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 IMPORTANT 1 The cleaning valve is opened during cleaning and sanitizing to allow solution flow to the inside...

Page 27: ... Wipe down the float switch housing shaft float and retainer rod with cleaning solution Clean the inside of the rubber boot and hose with cleaning solution Rinse the parts thoroughly with clean water d Reassemble the float switch assembly and replace it and the rubber boot in their correct positions Reconnect the vent tube and the flush tube 7 Pour the cleaning solution into the water tank 8 Fully...

Page 28: ...ion panel 3 Pour the sanitizing solution into the water tank 4 Replace the insulation panel and the front panel in their correct positions Note Make sure the control switch is in the WASH position and the cleaning valve is open 5 Turn on the power supply to start the sanitizing process 6 Turn off the power supply after 15 minutes 7 Remove the front panel 8 Disconnect one end of the pump tubing to ...

Page 29: ... plastic scoop provided bin accessory The storage bin is for ice use only Do not store anything else in the storage bin Clean the scoop and the storage bin liner using a neutral cleaner Rinse thoroughly after cleaning 3 Air Filters air cooled model Plastic mesh air filters remove dirt and dust from the air and keep the condenser from getting clogged As the filters get clogged the icemaker s perfor...

Page 30: ... 7 Replace the front panel in its correct position then turn on the power supply 8 Blow the icemaker water supply line out using the compressed air or carbon dioxide supply 9 Close the icemaker water supply line drain valve 2 Drain the water tank 1 Turn off the power supply then remove the front panel 2 Move the control switch to the OFF position 3 Remove the base cover then disconnect one end of ...

Page 31: ... 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 positions ...

Page 32: ...32 HOSHIZAKI AMERICA INC 618 Hwy 74 S Peachtree City GA 30269 USA TEL 770 487 2331 FAX 770 487 3360 www hoshizaki com 91A1KN10C ...