Hoshizaki KM-470AJ, Instruction Manual

Page 1: ...KM 470AJ KM 470AWJ KM 470AJ S KM 470AWJ S L1F136104 031721 No 15 Qingqiu Street Suzhou Industrial Park Suzhou 215126 China INSTRUCTION MANUAL MODULAR CRESCENT CUBER ...

Page 2: ...ecks Before Installation 17 3 Setup 17 4 Line Set Exceeding 20 m 17 5 Line Set Installation 18 6 Electrical Connection 21 7 Stacking Remote Condenser Unit 22 H Final Checklist 23 I Startup 24 III Maintenance 25 A Maintenance Schedule 25 B Cleaning and Sanitizing Instructions 26 IV Preparing the Appliance for Periods of Non Use 30 V Warranty 31 VI Disposal 31 IMPORTANT This manual should be read ca...

Page 3: ...nstalled in accordance with applicable national state and local codes and regulations 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 damage The icemaker requires an independent power supply of proper capacity See the specifications in thi...

Page 4: ...uting conduit and disconnect if required 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 damage NOTICE Follow the water supply drain connection and maintenance instructions carefully to reduce the risk of costly water damage In areas where water damage is a concern install in a conta...

Page 5: ...se 220 240V 50Hz 1 phase 220 230V 60Hz Power Supply Capacity 3 45 kVA 15 0A 3 51 kVA 15 2A 3 64 kVA 15 8A 3 51 kVA 15 3A Electric Consumption 1850W 1910W AT 32 C WT 21 C 1523W 1634W AT 32 C WT 21 C Ice Production per 24h 495kg 505kg AT 10 C WT 10 C 495kg 500kg AT 10 C WT 10 C Dimensions 762mm W x 695mm D x 825mm H 762mm W x 695mm D x 825mm H Refrigerant R404A 1 40kg GWP 3920 CO2 5 488t R404A 0 80k...

Page 6: ...CE KM 470AJ KM 470AJ S Allow 30 cm clearance at rear sides and top for proper air circulation and ease of maintenance and or service should they be required The ice storage bin opening must match the bottom opening as in the illustration Units mm Rear Side Bottom ...

Page 7: ...KM 470AWJ S Allow 30 cm clearance at rear sides and top for proper air circulation and ease of maintenance and or service should they be required The ice storage bin opening must match the bottom opening as in the illustration Units mm Rear Side Bottom ...

Page 8: ...ENGLISH 6 Intentionally Left Blank ...

Page 9: ... use Normal operating ambient temperature must be within 7 C to 38 C Normal operating water temperature must be within 7 C to 32 C Operation of the icemaker for extended periods outside of these normal temperature ranges may affect icemaker performance The icemaker will not work at sub freezing temperatures To prevent damage to the water supply line drain the icemaker if the air temperature is goi...

Page 10: ...rom the panels If the appliance is exposed to the sun or to heat remove the film after the appliance 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 The icemaker can be installed on a storage bin 30 wide or wider Hoshizaki Ice Storage Bins Model B 500 series i...

Page 11: ...to the bottom of the ice storage bin 2 Position the ice storage bin in its permanent location 3 Place the icemaker on top of the storage bin 4 Secure the icemaker to the storage bin using the 2 mounting brackets and the bolts provided See Fig 2 5 Level the icemaker and storage bin in both the left to right and front to rear directions Adjust the storage bin legs to make the icemaker level 6 Icemak...

Page 12: ...e bin control thermostat assembly c Lower the bin control thermostat assembly through the hole located in the bottom of the icemaker Secure the bin control thermostat assembly with the lower hook and the 2 thumbscrews removed in the previous step d Insert the plug into the receptacle on the assembly until it locks into place IMPORTANT The plug must be inserted into the receptacle for the icemaker ...

Page 13: ...itional Warnings for Remote Models To reduce the risk of electric shock make all remote condenser unit connections before connecting the icemaker power supply NOTICE On remote models the appliance must have power for a minimum of 4 hours prior to startup to prevent compressor damage Usually an electrical permit and services of a licensed electrician are required The maximum allowable voltage varia...

Page 14: ...til the proper water pressure is reached External filters strainers or softeners may be required depending on water quality Contact your local Hoshizaki Certified Service Representative or local Hoshizaki distributor for recommendations A plumbing permit and services of a licensed plumber may be required in some areas The icemaker drain line ice storage bin drain line and water cooled condenser dr...

Page 15: ... for the appliance to be pulled out for service Drain Valve Shut Off Valve Minimum 3 8 Nominal ID Copper Water Tubing or Equivalent Icemaker Water Supply Inlet 1 2 FPT Icemaker Drain Outlet 3 4 FPT Icemaker Condensation Drain Outlet 3 8 OD Hard Tube Ice Storage Bin Icemaker Vent Tube Bin Drain Outlet 3 4 FPT Minimum 3 4 Nominal ID Hard Pipe or Equivalent 5 cm air gap Floor Drain Be sure there is s...

Page 16: ...is not in the proper range use a flat blade screwdriver to rotate the adjustment screw on the water regulating valve until the temperature is in the proper range rotate counterclockwise to raise temperature or clockwise to lower temperature Fig 6 Water Cooled Models Connection to an Open Drain System Model Shown KM 470AWJ KM 470AWJ S Icemaker Icemaker Water Supply Inlet 1 2 FPT Bin Drain Outlet 3 ...

Page 17: ...installation is complete confirm the condenser return outlet temperature 5 minutes after a freeze cycle starts If the condenser return outlet temperature is not in the proper range use a flat blade screwdriver to rotate the adjustment screw on the water regulating valve until the temperature is in the proper range rotate counterclockwise to raise temperature or clockwise to lower temperature Fig 7...

Page 18: ...C Operation of the remote condenser unit for extended periods outside of this normal temperature range may affect appliance performance The maximum line length for the standard line sizes and refrigerant charge is 20 m With larger line sizes and or additional refrigerant the maximum line length is 30 5 m The maximum vertical distance between the remote condenser unit and the icemaker is 10 m above...

Page 19: ...cure the legs to the permanent site with 4 bolts not included 4 Line Set Exceeding 20 m 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 The maximum line length for the standard refrigerant charge is 20 m Should an installation require a longer l...

Page 20: ...emale coupling b Apply Polyol Ester POE refrigerant oil or Parker Super O Lube to the entire male fitting including O ring diaphragm and threads before making the connection See Fig 12 NOTICE Do not use thread sealant on the fittings Use POE refrigerant oil or Parker Super O Lube only Couplings are one time use only c Make sure the male fitting and female coupling are properly aligned then start t...

Page 21: ...service loop behind the icemaker to allow the icemaker to be pulled out for service See Fig 11 NOTICE Ensure that there are no traps and no kinks in the line set The service loop is not considered an oil trap Do not coil extra line set Fabricate the line set to the proper length 2 Insulate the two copper tubes separately 3 Install Parker quick connect couplings on each end OS QUICK a universal qui...

Page 22: ...nt the nut has covered most of the threads on the male fitting NOTICE Failure to use a backup wrench may result in damage to the line set and possible refrigerant leaks 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 turn See Fig...

Page 23: ... box to the leads in the remote condenser unit junction box Use wire of an appropriate gage and outdoor rating Do not connect the fan motor leads in the icemaker to incoming power source Do not connect the fan motor leads in the icemaker together Do not allow the leads to contact the junction box walls Do not connect the remote condenser unit to an external power source NOTICE On remote models the...

Page 24: ...ating 5 Replace the junction box covers and the louver panel in their correct positions 7 Stacking Remote Condenser Unit 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 remote condenser unit See Fig 15 3 Secure the upper remote condenser unit to the lower remote condenser unit with the 4 screws provided 4 In...

Page 25: ...nnections meet applicable national state and local code and regulation requirements 6 Has the power supply voltage been checked or tested against the nameplate rating Has a proper ground been installed to the icemaker 7 Are the water supply and drain lines sized as specified Are the water supply line shut off valve s and drain valve s installed Has the water supply pressure been checked to ensure ...

Page 26: ... 6 Turn off the power supply then remove the front panel and the insulation panel 7 Slide the cube guide to the right then remove the rubber cap and sleeve covering the overflow pipe See Fig 16 Unscrew the overflow pipe After the water tank has drained reconnect the overflow pipe Replace the rubber hose overflow cap and cube guide in their correct positions NOTICE Make sure the O ring is attached ...

Page 27: ...sanitation regulations Maintenance Schedule Frequency Area Task Daily Scoop Clean the ice scoop using a neutral cleaner Rinse thoroughly after cleaning Bi Weekly Air Filters Inspect Wash with warm water and neutral cleaner if dirty Monthly External Water Filters Check for proper pressure and change if necessary Icemaker Exterior Wipe down with a clean soft cloth Use a damp cloth containing a neutr...

Page 28: ...he water pump seal do not leave the control switch in the WASH position for extended periods when the water tank is empty IMPORTANT The cleaning valve is opened during cleaning and sanitizing to allow solution flow to the inside of the evaporator It should be closed for all icemaking operation The compressor will not operate unless this valve is completely closed To close the cleaning valve the va...

Page 29: ... Remove the rubber hose and overflow cap covering the overflow pipe Unscrew the overflow pipe After the water tank has drained reconnect the overflow pipe Replace the rubber hose overflow cap cube guide and front insulation panel 10 In bad or severe water conditions turn off the power supply then remove clean cleaning solution 5 oz Hoshizaki Scale Away per gallon of warm water rinse and replace t ...

Page 30: ...ly horizontal closed Move the control switch to the ICE position then replace the front panel After 3 5 min remove the front panel then move the control switch to the OFF position 20 Turn the cleaning valve to the left until completely vertical open Move the control switch to the WASH position then replace the front panel After 5 min remove the front panel then move the control switch to the OFF p...

Page 31: ...anel then slide the cube guide to the right Remove the rubber hose and overflow cap covering the overflow pipe Unscrew the overflow pipe After the water tank has drained reconnect the overflow pipe Replace the rubber hose overflow cap cube guide and front insulation panel NOTICE Be sure the O ring is attached to the bottom of the overflow pipe and be careful not to cross thread the overflow pipe 2...

Page 32: ...rbon dioxide supply to the icemaker water supply line drain valve 6 Move the control switch to the ICE position 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 th...

Page 33: ... please contact your dealer supplier or the nearest Hoshizaki Service office VI DISPOSAL Comply with local regulations regarding disposal of this appliance and its refrigerant gas Before you scrap the appliance take off the door to prevent children trapped Correct disposal of this product This marking indicates that this product should not be disposed with other household wastes throughout the EU ...